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Class Information
Number: 165
Name: Heat exchange >
Description: This class includes apparatus or process not provided for in other classes for transferring heat, or apparatus or process not provided for in other classes relating to an auxiliary device particularly adapted to be used with such heat transfer apparatus.










Class Number Class Name No. of Patents
165/85

Agitator or impeller motor operated by exchange fluid

39
165/DIG.72

Agitator or impeller motor operated by first heat exchange fluid

7
165/DIG.73

To agitate or move second heat exchange fluid

0
165/DIG.74

Agitator structure confines first heat exchange fluid

0
165/DIG.75

Agitator structure confines second heat exchange fluid

0
165/157

Casing or tank enclosed conduit assembly

192
165/163

Conduit coiled within casing

387
165/158

Manifold formed by casing section and tube sheet of assembly

351
165/159

With distinct flow director in casing

277
165/160

Longitudinal

174
165/161

Additional transverse baffle

90
165/162

With support in casing

350
165/912

Combined or convertible heat exchange modes

13
165/138

Combined

42
165/913

Condensation

89
165/168

Conduit within, or conforming to, panel or wall structure

263
165/171

Means spanning side-by-side tube elements

235
165/170

Opposed plates or shells

501
165/169

Wall forms enclosure

253
165/903

Convection

90
165/137

Convertible

79
165/900

Cooling towers

164
165/72

Covered access opening

37
165/73

Cover is, or carries, heat exchanging means

19
165/74

Heat exchanging means projects into the covered chamber

58
165/75

Heating or cooling means within the covered chamber

39
165/921

Dew point

61
165/81

Expansion and contraction relieving or absorbing means

247
165/82

Relieving or absorbing means supports temperature modifier in heat exchanger

196
165/83

Flexible fluid confining wall

81
165/914

Filming

15
165/46

Flexible envelope or cover type

427
165/164

Flow passages for two confined fluids

302
165/165

Interdigitated plural first and plural second fluid passages

300
165/166

Stacked plates or shells form interplate passages

903
165/167

With plate traversing passages interconnecting alternate spaces

516
165/908

Fluid jets

193
165/915

Foaming

2
165/45

Geographical

574
165/146

Gradated heat transfer structure

233
165/147

Tapered conduit means

80
165/DIG.539

Having a heat storage mass

14
165/DIG.9

Having a solid heat storage mass for absorbing heat from one fluid and releasing it to another (i.e. regenerator)

7
165/DIG.10

Cleaning storage mass

2
165/DIG.11

Reciprocating cleaner device (e.g. scraper, sprayer)

7
165/DIG.12

Spray nozzle cleaner

3
165/DIG.37

Having flow diverting means (e.g. valve) to selectively control flow through storage mass

4
165/DIG.38

Correlated control of plural diverting means

3
165/DIG.40

Linearly movable diverting means

3
165/DIG.39

Synchronously rotated flow guiding hoods disposed on opposite sides of fixed regenerator

5
165/DIG.41

Rotary diverting means

5
165/DIG.30

Mass formed of modules arranged in three dimensional matrix ("checkerwork")

11
165/DIG.36

Distinct passages formed in individual modules

0
165/DIG.31

Gradated flow area, heat capacity or conductivity

3
165/DIG.32

Having gas supply or exhaust manifold structure

5
165/DIG.33

With flow control device (i.e. valve)

4
165/DIG.34

With flow distributing baffle

2
165/DIG.35

In casing

2
165/DIG.13

Movable heat storage mass with enclosure

0
165/DIG.14

Reciprocated linearly

3
165/DIG.16

Rotary storage mass

37
165/DIG.29

Cylindrical storage mass with axial flow passages

4
165/DIG.18

Having means controlling direction or rate of flow

5
165/DIG.19

Plate type shutter associated with face of storage mass

3
165/DIG.20

Seal and seal-engaging surface are relatively movable

31
165/DIG.24

Circumferential seal

4
165/DIG.25

Heat resistant material seal

1
165/DIG.21

Seal engaging a face of cylindrical heat storage mass

25
165/DIG.23

Brush-type seal

2
165/DIG.22

Seal defining sector-shaped flow area

7
165/DIG.26

Seal attached to and rotating with storage mass

13
165/DIG.27

With particular rotary bearing or drive means

15
165/DIG.28

Ring gear surrounding cylindrical storage mass

7
165/DIG.17

With thermal expansion compensating means

7
165/DIG.15

With pump

9
165/DIG.42

Particular structure of heat storage mass

25
165/DIG.43

Element for constructing regenerator rotor

15
165/DIG.51

Having expansion and contraction relieving or absorbing means

16
165/DIG.52

For cylindrical heat exchanger

4
165/DIG.63

Cylindrical heat exchanger fixed to fixed end supports

0
165/DIG.65

Bent cylindrical heat exchanger

7
165/DIG.66

Coiled

3
165/DIG.64

Including intermediate support

1
165/DIG.67

Cylindrical heat exchanger rectilinearly slidable relative to its support

3
165/DIG.68

Including fluid seal

7
165/DIG.60

Expandable casing for cylindrical heat exchanger

3
165/DIG.61

For plural cylindrical heat exchangers

6
165/DIG.62

Having particular external casing support means

0
165/DIG.53

Flexible or movable header or header element

2
165/DIG.57

Flexing tubesheet

5
165/DIG.54

Movable header (e.g., floating header, etc.)

3
165/DIG.55

Including guiding means for movable header

4
165/DIG.56

Fluid sealing means between movable header and enclosure

2
165/DIG.58

Movable tubesheet (e.g., floating tubesheet, etc.)

2
165/DIG.59

Tubesheet connected to enclosure by expansion joint

5
165/DIG.69

Pivotal support for cylindrical heat exchanger

1
165/DIG.70

Resilient fluid seal

7
165/DIG.71

Resilient fluid seal for plate-type heat exchanger

9
165/DIG.44

Having flexible heat exchange surface conforming to a solid structure (e.g., applicator, etc.)

7
165/DIG.45

Conform to head, neck, or face

3
165/DIG.47

For cooling

5
165/DIG.48

Electrical component

5
165/DIG.49

Or for heating

1
165/DIG.50

Including a pump or valve

2
165/DIG.46

Heat exchange body suit

1
165/DIG.510

Having heat exchange surface treatment, adjunct or enhancement

3
165/DIG.512

Coated heat transfer surface

4
165/DIG.513

Corrosion resistant

7
165/DIG.514

Hydrophilic/hydrophobic coating

4
165/DIG.518

Conduit with discrete fin structure

3
165/DIG.528

Fin and conduit of diverse materials

0
165/DIG.520

Internal and external

4
165/DIG.521

Pin fins penetrating conduit wall

0
165/DIG.524

Longitudinally extending

6
165/DIG.525

Helical

9
165/DIG.526

Spine or loop fins

1
165/DIG.527

Integrally formed

2
165/DIG.519

Porous or mesh

1
165/DIG.522

Transverse fins spaced along conduit

0
165/DIG.523

Separated by integral flanges engaging conduit exterior

0
165/DIG.515

Patterned surface (e.g., knurled, grooved)

9
165/DIG.516

Subsurface pockets formed

3
165/DIG.511

Polished heat transfer surface

0
165/DIG.517

Roughened surface

2
165/DIG.529

With structure for promoting turbulence and/or breaking up laminar flow adjacent heat transfer surface

4
165/DIG.530

Conduit insert

14
165/DIG.531

With wicking structure

1
165/DIG.355

Having separate flow passage for two distinct fluids

7
165/DIG.442

Conduits

5
165/DIG.443

Adjacent conduits with transverse air passages (e.g., radiator core type, etc.)

5
165/DIG.446

Including intermediate sheet between adjacent tubes forming air fin passages

0
165/DIG.447

Corrugated sheet

1
165/DIG.445

Including transverse corrugated fin sheets

3
165/DIG.444

Including transversely stacked fin sheets

0
165/DIG.448

Air conduits (e.g., radiator core type, etc.)

2
165/DIG.451

Including bent conduits

1
165/DIG.452

Including fins

1
165/DIG.449

Vertically stacked conduits

6
165/DIG.450

Including integral abutting or interlocking elements

1
165/DIG.399

Corrugated heat exchange plate

35
165/DIG.395

Monolithic core having flow passages for two different fluids (e.g., one- piece ceramic, etc.)

21
165/DIG.397

Including conduits embedded in monolithic block

4
165/DIG.396

Plurality of stacked monolithic cores

7
165/DIG.453

Plural elements arranged to form a fluid passage

0
165/DIG.356

Plural plates forming a stack providing flow passages therein

26
165/DIG.373

Adjacent heat exchange plates having joined bent edge flanges for forming flow channels therebetween

11
165/DIG.383

Interlocking flanges

5
165/DIG.374

Liquid to air heat exchanger having liquid passage formed by joined sheets

0
165/DIG.376

Air passages defined by spacing projections of sheets

0
165/DIG.377

Spacing projections formed by folded sheet portions

0
165/DIG.378

Including intermediate sheet supporting opposed spacing projections

0
165/DIG.379

Including corrugated air fin passages between adjacent liquid passages

0
165/DIG.380

Air fin conforms to joined corrugated sheets forming plural liquid chambers

0
165/DIG.381

Including air fin apertures

1
165/DIG.375

Transverse air tubes

0
165/DIG.382

Overlapping flanges

11
165/DIG.384

Thermally bonded side edges

11
165/DIG.385

Bent sheet forming a single tube

0
165/DIG.386

To form only air passages

0
165/DIG.361

Circular flow passages between plates

1
165/DIG.357

Forming annular heat exchanger

15
165/DIG.358

Radially arranged plates

8
165/DIG.362

Heat exchange liquids separated by double walls

3
165/DIG.393

Including additional element between heat exchange plates

6
165/DIG.394

Corrugated heat exchange plate

12
165/DIG.359

Including means for modifying thermal stress in heat exchange plate

6
165/DIG.387

Including side-edge seal or edge spacer bar

8
165/DIG.390

Flange element to connect two adjacent heat exchange plates

2
165/DIG.389

Flow enhancer integral with side-edge seal or edge spacer bar

6
165/DIG.391

Including intermediate corrugated element

5
165/DIG.388

Including spacer bar transverse to plate stack

3
165/DIG.392

Unitary heat exchange plate and projecting edge

10
165/DIG.363

Slotted plates forming grid

2
165/DIG.360

Stacked plates having plurality of perforations

23
165/DIG.364

With fluid traversing passages formed through the plate

8
165/DIG.372

Adjacent heat exchange plates having joined bent edge flanges for forming flow channels therebetween

3
165/DIG.371

Including mating flanges around fluid traversing passage

2
165/DIG.365

Including peripheral seal element forming flow channel bounded by seal and heat exchange plates

4
165/DIG.369

Including seal to plate attachment means

3
165/DIG.367

Peripheral seal element between corrugated heat exchange plates

5
165/DIG.368

Including angled corrugations with respect to flow direction

1
165/DIG.366

Rigid or semi-rigid peripheral seal frame

2
165/DIG.370

Unitary heat exchange plate and projecting edge

0
165/DIG.400

Shell enclosed conduit assembly

1
165/DIG.440

Coiled conduit assemblies

3
165/DIG.441

Helical

10
165/DIG.401

Including tube support or shell-side flow director

14
165/DIG.405

Extending in a longitudinal direction

10
165/DIG.411

Connecting to shell by specific structure

2
165/DIG.413

For directing flow along the length of tube

1
165/DIG.414

For supporting coil tubes

8
165/DIG.406

Helically or spirally shaped

9
165/DIG.415

Including perforations

2
165/DIG.412

Including transverse element (e.g., fin, baffle, etc.)

7
165/DIG.407

Internal casing or tube sleeve

13
165/DIG.409

Including transverse element (e.g., fin, baffle, etc.)

10
165/DIG.410

Movable internal casing connecting to transverse element

4
165/DIG.408

Tube sleeve

3
165/DIG.416

Extending transverse of shell (e.g., fin, baffle, etc.)

18
165/DIG.423

Bar

10
165/DIG.424

Forming grid structure

13
165/DIG.425

Having ends connected to ring element

13
165/DIG.426

Clamped tube spacer or support

4
165/DIG.421

Disc and donut plates

2
165/DIG.417

Including spacer or support for transverse tube support or shell-side flow director

8
165/DIG.419

Spacer or support connected to shell

6
165/DIG.418

Tubular spacer sleeve

2
165/DIG.420

Segmented plate

5
165/DIG.422

Unitary tube support or shell-side flow director carried by single tube

3
165/DIG.402

Manifold for shell-side fluid

8
165/DIG.403

Preheater for shell-side fluid for preventing thermal shock to tube sheet

1
165/DIG.404

Serially connected separate shells

2
165/DIG.427

Manifold for tube-side fluid (i.e., parallel)

2
165/DIG.436

Bent conduit assemblies

3
165/DIG.437

Coiled

3
165/DIG.438

Helical

6
165/DIG.432

Including a tube sheet

4
165/DIG.433

Tubes-tubesheet connection

5
165/DIG.434

Plural strips forming tubesheet

1
165/DIG.428

Including flow director in manifold

4
165/DIG.429

Line-connected conduit assemblies

3
165/DIG.430

Manifolds connected in parallel (e.g., multi-stage, etc.)

4
165/DIG.431

Manifolds connected in series

4
165/DIG.435

Plural bonded conduit end portions (i.e., tubesheet not needed)

1
165/DIG.439

Serially connected conduit assemblies (i.e., no manifold)

3
165/DIG.398

Spirally bent heat exchange plate

15
165/DIG.454

Having side-by-side conduits structure or conduit section

2
165/DIG.464

Conduits formed by joined pairs of matched plates

11
165/DIG.465

Manifold space formed in end portions of plates

18
165/DIG.466

Manifold spaces provided at one end only

19
165/DIG.467

With turbulence enhancing pattern embossed on joined plates

3
165/DIG.468

Core formed by stack tubular members with abutting edges

1
165/DIG.461

Plate fins formed with tubular projections which join with projections of adjacent plates to form parallel conduits

1
165/DIG.462

Tapering, nested projections

3
165/DIG.463

Conduits oblong in cross section

1
165/DIG.492

Plural conduits with ends connected to tube plate

16
165/DIG.494

Conduit end deformed (e.g., expanded) to affix to plate

6
165/DIG.493

Welded or fused joint between conduit end and plate

9
165/DIG.471

Plural parallel conduits joined by manifold

10
165/DIG.486

Corrugated fins disposed between adjacent conduits

8
165/DIG.487

Louvered

6
165/DIG.477

Elastic seal element between conduit ends and receiving holes in header plate

7
165/DIG.480

Elongated support members extending between spaced manifolds

9
165/DIG.483

Flow deflecting/retarding means in header for even distribution of fluid to plural tubes

8
165/DIG.484

Orifices mounted at conduit ends

1
165/DIG.476

Fusion joint (e.g., solder, braze) between tube plate and header tank

7
165/DIG.488

Header is rounded in cross section (e.g., circular, oval)

3
165/DIG.491

Manifolds formed in core-enclosing frame

0
165/DIG.490

Noncircular tube cross section (oval, triangular, etc.)

5
165/DIG.481

Partitions in manifold define serial flow pattern for conduits/conduit groups

13
165/DIG.482

Partitions are separate members

15
165/DIG.478

Separate means employed for mechanical attachment and hydraulic seal of conduit ends to header plate

2
165/DIG.479

Tubes joined to tube plate with adhesive (e.g., glue or braze compound)

3
165/DIG.489

Two piece header structure

10
165/DIG.472

U-shaped conduits connected to side-by-side manifolds

2
165/DIG.485

Unitary ("one-piece") header structure

7
165/DIG.473

With clamping member at joint between header plate and header tank

4
165/DIG.475

Header plate and tank of dissimilar materials

0
165/DIG.474

With compressible seal at joint

12
165/DIG.456

Readily and independently detachable sections

4
165/DIG.457

Individual manifolds for each section

2
165/DIG.455

Readily detachable tubes having ends with distinct fluid coupling members engaging corresponding coupling members on manifold

1
165/DIG.469

Reinforcing rod or strip extends across parallel fin edges

3
165/DIG.458

Self-contained sections hydraulically connected in series

2
165/DIG.500

Side-by-side conduits with fins

2
165/DIG.505

Corrugated strips disposed between adjacent conduits

10
165/DIG.501

Plate fins penetrated by plural conduits

6
165/DIG.504

Contoured fin surface

13
165/DIG.502

Lanced

21
165/DIG.503

Angled louvers

31
165/DIG.506

Side-by-side conduits with means (e.g., support grid) holding them in spaced relation

5
165/DIG.495

Single unitary conduit structure bent to form flow path with side-by-side sections

4
165/DIG.497

Serpentine flow path with straight side-by-side sections

8
165/DIG.498

Fin assembly extends across side-by-side sections

6
165/DIG.496

Spiral or helical coil

9
165/DIG.507

Straight side-by-side conduits joined for flow of one fluid

3
165/DIG.509

Side-by-side conduits lie in common plane

3
165/DIG.508

Side-by-side conduits penetrate parallel plate-type fins

4
165/DIG.459

Strips with shaped, interfitted edges form heat exchanger core with plural passages

0
165/DIG.460

With spacers interposed between adjacent passages

0
165/DIG.470

Tensioning member within manifold

0
165/DIG.499

With parallel tubes or tube sections having ends joined to opposed frame members

4
165/DIG.532

Heat exchange conduit structure

1
165/DIG.533

Composite of diverse materials

2
165/DIG.534

Concentric layers

0
165/DIG.535

Helically formed

2
165/DIG.536

Noncircular cross-section

3
165/DIG.537

Oblong or elliptical

6
165/DIG.538

With particular flow connecting structure

0
165/901

Heat savers

223
165/902

Heat storage

153
165/185

Heat transmitter

2809
165/918

Heated and cooled food cabinets and/or trays

61
165/919

Wheeled

73
165/58

Heating and cooling

105
165/60

Gas-liquid contactor

111
165/61

Heating and cooling of the same material

279
165/64

Heat generator

160
165/65

Heater and cooler serially arranged

66
165/66

Heat exchange between supply and exhaust lines

113
165/62

Refrigerating system conversion

62
165/63

Refrigeration producer

74
165/59

With ventilation

88
165/132

Heating or cooling means in open communication with reservoir

107
165/DIG.224

Including a means to form a fluid jet

0
165/DIG.163

Including a means to form fluid film on heat transfer surface (e.g., trickle)

5
165/DIG.164

Film flow constrained to spiral path

0
165/DIG.172

Film flows along exterior of plural pipe sections

2
165/DIG.175

Horizontally extending, parallel sections disposed in vertical array (i.e. one pipe directly above another)

2
165/DIG.176

With means suspended beneath pipe surface to guide liquid droplets

0
165/DIG.174

Intervening members extend between spaced pipe sections to form continuous surface

0
165/DIG.173

Pipe exterior surfaces about to form continuous surface

0
165/DIG.177

Film flows along upper surface of tray

0
165/DIG.179

Container enclosed by casing

0
165/DIG.181

Horizontally disposable elongated member

0
165/DIG.178

Parallel corrugated vertical sheets formed fluid passage therebetween

0
165/DIG.180

Vertically disposable elongated member

0
165/DIG.168

Film formed on interior surface of container or pipe

1
165/DIG.169

Inside of vertical pipe

4
165/DIG.170

Distributor "cap" mounted in top end of pipe

8
165/DIG.165

Film formed on spirally coiled member

2
165/DIG.171

Including means at top end of vertical pipe to distribute liquid film on pipe exterior

11
165/DIG.167

Liquid film flows sequentially along upper surfaces of vertically spaced trays (i.e. shelf-to-shelf)

0
165/DIG.166

Vertically spaced pipe sections contact liquid in underlying troughs

0
165/DIG.184

Indirect-contact condenser

2
165/DIG.196

Baffle defines flow passage within header for condensate to bypass portion of vapor flow path

4
165/DIG.198

Condensate guiding means attached to heat transfer surface

4
165/DIG.200

Condensate guiding means forms inside heat transfer tube

2
165/DIG.199

Heat transfer tube surrounds by jacket condensate guiding means

0
165/DIG.201

Including fin member associated with condensate guiding means

0
165/DIG.193

First-stage condenser serially connected to second-stage condenser

4
165/DIG.194

First stage direct-contact condenser

0
165/DIG.187

Having pump downstream of condenser

1
165/DIG.188

Pump to remove only uncondensed vapor or air

5
165/DIG.189

From a first-stage direct-contact condenser

0
165/DIG.191

Including second-stage direct-contact condenser

0
165/DIG.190

Including second-stage indirect-contact condenser

0
165/DIG.185

Having stacked plates forming flow channel therebetween

20
165/DIG.186

Stacked plates surrounded by housing confining another fluid

2
165/DIG.204

Including a direct-contact heat exchange chamber

1
165/DIG.195

Including condensate collecting tray connected to condensate drain conduit to divert condensate around a section of heat transfer surface

3
165/DIG.197

Including means for (removing) condensate (from vapor flow path) to bypass portion of vapor flow path

6
165/DIG.192

Including means to heat collected condensate

3
165/DIG.205

Space for condensable vapor surrounds space for coolant

3
165/DIG.207

Distinct outlets for separated condensate and gas

7
165/DIG.213

Including baffle partially covering a group of coolant tubes

3
165/DIG.214

Including baffle structure for reversing flow direction of vapor

2
165/DIG.211

Including concave member adjacent to vapor outlet and partially covering a group of coolant tubes

4
165/DIG.212

Including inclined flat condensate guiding means

2
165/DIG.210

Including perforated baffle completely surrounding a group of coolant tube

0
165/DIG.209

Including tube banks arranged in undulating pattern (e.g., w shape)

0
165/DIG.208

Including vapor guide plate extending across vapor inlet

1
165/DIG.215

Having longitudinal partition extending parallel to longitudinal axis of coolant tube

0
165/DIG.216

Having partition transverse to longitudinal axis of coolant tube

3
165/DIG.206

Including coiled heat exchange tube

3
165/DIG.217

Space for coolant surrounds space for vapor

2
165/DIG.218

Condensor adapted to cover opening at top of vapor generator

1
165/DIG.219

Radiator cap condenser

0
165/DIG.220

U-shaped or spur tubes connected to adjacent inlet and outlet headers

0
165/DIG.221

Vapor is the only confined fluid

1
165/DIG.222

Plural parallel tubes confining vapor connecting between spaced headers

12
165/DIG.223

Vapor tube enclosed by coolant confining shell

3
165/DIG.202

Vapor flow passage between vapor inlet and outlet has decreasing cross- sectional area

4
165/DIG.203

Coolant tubes arranged in groups to form vapor flow lanes of decreasing cross-sectional area

2
165/DIG.182

Indirect-contact cooling tower

7
165/DIG.183

Indirect-contact evaporator

12
165/104.11

Intermediate fluent heat exchange material receiving and discharging heat

235
165/104.34

Including means to move gaseous heat exchange material

234
165/104.19

Liquid fluent heat exchange material

269
165/104.33

Cooling electrical device

2587
165/104.28

Including means to move heat exchange material

74
165/104.31

By application of mechanical energy

242
165/104.29

Utilizing formed bubble

48
165/104.21

Utilizing change of state

894
165/104.22

Including means to move heat exchange material in liquid state

122
165/104.24

By application of heat other than in heat receiving area

35
165/104.25

By application of mechanical energy

131
165/104.23

By direct application of electrical energy to heat exchange material

47
165/104.26

Utilizing capillary attraction

943
165/104.27

With pressurizing means or degassifying means

137
165/104.32

With pressurizing means or degassifying means

186
165/104.13

Plural intermediate fluent heat exchange materials

98
165/104.14

Always out of direct contact with each other

309
165/104.12

Reversible chemical reaction

253
165/104.15

Solid fluent heat exchange material

61
165/104.16

Fluidized bed

395
165/104.18

Including means to move heat exchange material

111
165/104.17

Utilizing change of state

152
165/139

Internally branched flow, externally ported

73
165/144

Line connected conduit assemblies

148
165/145

In common casing

215
165/905

Materials of manufacture

401
165/186

Miscellaneous

24
165/DIG.135

Movable heat exchanger

6
165/DIG.139

Fully rotatable

5
165/DIG.147

Fluid impeller or material advancer

3
165/DIG.148

Auger

4
165/DIG.149

Having hollow blade

2
165/DIG.150

Radial or axial impeller

1
165/DIG.151

Having hollow blade

3
165/DIG.156

Hollow cylindrical member (e.g., drum, etc.)

4
165/DIG.157

Fluid sprayed onto surface of rotatable cylinder

0
165/DIG.158

Having stationary material removal means

2
165/DIG.159

With particular flow path or defined fluid chamber (e.g., annulus, spiral, etc.)

7
165/DIG.160

Concentric shells define annular flow space

7
165/DIG.161

With means defining particular flow path (e.g., baffle, etc.)

5
165/DIG.145

Radially extending hollow arm on rotating shaft traverses furnance shelf (e.g., rabble arm, etc.)

0
165/DIG.146

Angled blade suspended from arm for advancing material

1
165/DIG.152

Rotating agitator

4
165/DIG.153

Flow space or fluid chamber defined between two relatively movable, closely spaced coextensive surfaces

3
165/DIG.154

Hollow tubing rotates in vessel to stir contents

2
165/DIG.155

Tubing has radially or axially extending sections

4
165/DIG.140

Rotating heat exchanger having rotating flow confining structures or chambers for two separate heat exchange fluids

3
165/DIG.141

Concentric flow confining structures or chambers

2
165/DIG.142

Jacketed shell

0
165/DIG.143

Discrete tubing having length extending along a longitudinal axis of rotating heat exchanger

0
165/DIG.144

Helical

1
165/DIG.136

Movable belt or strip transfers heat to or from objects or material thereon

0
165/DIG.138

Partially rotable (e.g, rocking, pivoting, oscillation, tilting, etc.)

3
165/DIG.137

Unconstrained movement (e.g., float, etc.)

0
165/86

Movable heating or cooling surface

276
165/87

Hollow screw type impeller

25
165/92

Hollow strirrer or scraper

48
165/93

Material advancer in shelf to shelf device

4
165/89

Rotary drum

209
165/90

With means applying fluids for exchange through drum wall

113
165/91

With drum surface scraper

26
165/88

Rotor carrying separate chambers for two exchanging fluents

61
165/154

Non-communicating coaxial enclosures

276
165/156

Helical conduit means

163
165/155

With communicating coaxial enclosure

88
165/916

Oil cooler

200
165/DIG.162

Only direct-contact heat exchange between two separately supplied fluids

15
165/920

Particulate heat exchange

30
165/143

Plural casing-conduit units, line or common header connected

83
165/907

Porous

129
165/917

Pressurization and/or degassification

71
165/904

Radiation

67
165/148

Radiator core type

121
165/152

Deformed sheet forms passages between side-by-side tube means

195
165/153

With tube manifold

602
165/150

Serially connected tube sections

166
165/151

Side-by-side tubes traversing fin means

333
165/149

With edge cover or frame means

267
165/108

Recirculation

134
165/909

Regeneration

250
165/4

Regenerator

198
165/9.1

Checker brick structure

39
165/9.2

Gradated flow area, heat capacity or heat resistance

19
165/9.3

Having gas supply or exhaust manifold structure

34
165/9.4

In casing

26
165/5

Cleaning

85
165/10

Heat collector

768
165/6

Movable heat storage mass with enclosure

39
165/8

Rotary heat collector

276
165/9

Seals

184
165/7

With fluid handling system

138
165/906

Reinforcement

140
165/69

Resilient vibration damper isolating exchanger element

134
165/172

Side-by-side tubular structures or tube sections

232
165/173

With manifold type header or header plate

644
165/175

Inlet and outlet header means

340
165/176

Side by side

452
165/174

With internal flow director

518
165/142

Spur tube projects into enclosure

143
165/47

Structural installation

556
165/51

Engine

431
165/52

Exchange between engine supply and exhaust lines

80
165/48.1

Heating and cooling

295
165/49

Radiant building panel

125
165/50

Room heat exchangers with central fluid supply

83
165/48.2

Solar

121
165/53

Related to wall, floor or ceiling structure of a chamber

200
165/56

Hollow or recess in the structure connected for exchange fluid flow

129
165/57

Ported to the chamber

45
165/54

In a chamber connected passage traversing the structure

227
165/55

Projecting shield forms passage with the structure

52
165/DIG.342

Tank with heat exchanger

2
165/DIG.343

Heat exchanger forms all or portion of tank

1
165/DIG.345

Jacketed vessel

0
165/DIG.346

Flow baffle or fin in annular flow space

1
165/DIG.344

Spiral coil forms hemispherical vessel

0
165/DIG.347

Heat exchanger forms cover for tank

0
165/DIG.354

Heat exchanger serially connected to tank

4
165/DIG.348

Heat exchanger within tank

2
165/DIG.352

Flow directing baffle associated with heat exchanger tubing

0
165/DIG.351

Spaced from tank wall

1
165/DIG.349

Supported by cover for tank

1
165/DIG.350

Tubing removably coupled to inlet and outlet at tank wall

0
165/DIG.353

Tube coil bonded directly to tank exterior

2
165/128

Thermosyphonic flue type

35
165/130

Flue formed between facing second fluid containing conduits

29
165/131

Flues formed by vertical corrugations of heat transmitter

15
165/129

Heating or cooling means within distinct flue forming enclosure

51
165/DIG.327

Thermosyphonic having vertical air draft passage

1
165/DIG.331

Air draft passage confined entirely by heat transfer surface

0
165/DIG.332

Coaxial ducts define air draft passage and annular passage for heat exchange fluid

0
165/DIG.333

Including baffle

0
165/DIG.334

Baffle located in annular passage

0
165/DIG.335

Plural air draft passages enclosed by casing

0
165/DIG.336

Angled air draft passage

0
165/DIG.328

Air draft passage confined entirely or in part by fin structure

2
165/DIG.330

Air draft passage is parallel to flow direction of heating or cooling means

2
165/DIG.329

Corrugated fin attached to heat transfer surface

2
165/DIG.337

Heating or cooling means entirely surrounded by air draft passage forming casing

1
165/DIG.340

Including flow baffle in casing

0
165/DIG.338

Nested or concentric members define annular air draft passage and heating or cooling conduit

0
165/DIG.339

With baffle

0
165/DIG.341

Parallel heating or cooling tubes or tubular sections (e.g., coil, serpentine, etc.)

0
165/140

Three non-communicating fluids

443
165/141

Concentric flow chambers

79
165/910

Tube pattern

47
165/177

Tubular structure

349
165/180

Diverse materials

145
165/179

Projecting internal and external heat transfer means

287
165/181

With discrete heat transfer means

265
165/183

Longitudinal extending

230
165/184

Helical

255
165/182

With means spacing fins on structure

163
165/178

With support or flow connector

377
165/911

Vaporization

79
165/DIG.132

With adjustor for heat flow

3
165/DIG.133

Conduction rate

3
165/DIG.134

By varying thickness of conductive layer (e.g., air gap, etc.)

2
165/96

With adjustor for heat, or exchange material, flow

302
165/98

Adjustable radiator face covering means

42
165/99

Discharge grille or diffuser

17
165/100

Branched flow

57
165/103

By pass of heating or cooling means

261
165/101

Controls flow through parallel heating or cooling means

140
165/102

Tortuous and straight through branches within heating or cooling drum

22
165/97

Flow reversed or crossed within temperature modifying zone

87
165/109.1

With agitating or stirring structure

346
165/DIG.1

With alarm, indicator, recorder, test, or inspection means

3
165/DIG.2

Energy, efficiency, performance or malfunction

17
165/DIG.7

Flow or valve position

10
165/DIG.5

Fluid level or amount

6
165/DIG.8

Leakage

13
165/DIG.3

Remote control inspection means

20
165/DIG.4

Sight glass

5
165/DIG.6

Temperature

10
165/11.1

With alarm, indicator, signal, register, recorder, test or inspection means

539
165/11.2

Remotely controlled inspection means

103
165/95

With cleaning means for heat exchanger

551
165/133

With coated, roughened or polished surface

667
165/DIG.318

With driven agitator

1
165/DIG.320

Fully rotary agitator

6
165/DIG.326

Agitator and heating or cooling coil disposed in same housing

3
165/DIG.325

Blade sections mounted along rotating shaft

4
165/DIG.321

Generating toroidal flow

3
165/DIG.322

Including heat exchange jacket-walls

0
165/DIG.324

Agitator having blade sections mounted along rotating shaft

1
165/DIG.323

Heating or cooling coil disposed between jacket-walls

0
165/DIG.319

Linearly moving agitator

0
165/67

With external support

338
165/68

Legs

23
165/DIG.228

With fan or pump

4
165/DIG.300

Injector-type pump

2
165/DIG.301

Having nested nozzles

0
165/DIG.302

Rotary gas pump

1
165/DIG.303

Annular heat exchanger

6
165/DIG.304

Axial impeller

4
165/DIG.305

Located at heat-exchange housing inlet

7
165/DIG.306

Located at heat-exchange housing outlet

7
165/DIG.316

Axial impeller located at heat-exchange housing inlet

5
165/DIG.317

Axial impeller located at heat-exchange housing outlet

2
165/DIG.310

Heat exchanger located at housing inlet or outlet

5
165/DIG.311

Including particular flow deflector (e.g., shroud, diffuser, etc.)

6
165/DIG.313

Deflector with curved surface

6
165/DIG.312

Plural parallel deflectors

4
165/DIG.307

Including plural impellers

2
165/DIG.308

Coaxial impellers

1
165/DIG.309

Radial impeller

3
165/DIG.314

Radial impeller

1
165/DIG.315

Located at heat-exchange housing inlet

0
165/DIG.229

Screw conveyor in pipe or tank

1
165/110

With first fluid holder or collector open to second fluid

300
165/111

Separate external discharge port for each fluid

271
165/114

With baffle at inlet to less dense fluid discharge port

71
165/112

With downstream pressure or temperature modifier

40
165/113

Surface-type heat exchanger

111
165/115

Trickler

117
165/117

Pipe exterior to pipe exterior

29
165/116

Shelf to shelf

16
165/118

Vertical cone or drum

44
165/120

With impeller or conveyor moving exchange material

85
165/121

Mechanical gas pump

677
165/122

Heating or cooling means and gas pump in housing

784
165/124

Verging gas flow

77
165/125

Radial flow through annular heating or cooling means

169
165/126

Single inlet, plural outlets

84
165/127

Gas pump for each outlet stream

25
165/123

With injector-type gas pump

38
165/70

With leakage collector

173
165/84

With means flexing, jarring or vibrating heat exchange surface

107
165/134.1

With protector or protective agent

560
165/71

With purge, or drainage, cock or plug

84
165/76

With repair or assembly means

590
165/78

Guide

194
165/77

Hinge

50
165/79

Positioner or retainer for settable material

77
165/80.1

With retainer for removable article

183
165/80.2

Electrical component

895
165/80.3

Air cooled, including fins

3534
165/80.4

Liquid cooled

1734
165/80.5

Including liquid heat exchange medium

306
165/DIG.76

With scraper for removing product from heat transfer surface

0
165/DIG.78

Linearly operated scraper

2
165/DIG.79

Reciprocated linearly

5
165/DIG.80

Plural scrapers for spaced shelves or chambers

3
165/DIG.81

Rotary heat exchange scraper or scraper for rotary heat exchange surface

0
165/DIG.88

Adjustable scraper

1
165/DIG.89

For scraping flat horizontal surface

1
165/DIG.91

For scraping wall of cylindrical heat exchanger

1
165/DIG.82

Grooved drum surface

2
165/DIG.83

Scraper attached to or formed part of rotary heat exchange fluid surface

1
165/DIG.90

Scraper blade movable relative to scraper blade support (e.g., pivoting blade, rocking blade, etc.)

4
165/DIG.85

Scraper for cleaning inner surface of rotary heat exchange surface

1
165/DIG.84

Scraper within annular space formed by concentric cylinders or concentric conical surfaces

7
165/DIG.87

Spring pressed scraper

0
165/DIG.86

Weight operated scraper

0
165/DIG.77

Screw shaped scraper

1
165/94

With scraper removing product from temperature modifying surface

115
165/DIG.225

With solid conveyor

3
165/DIG.227

Belt conveyor

0
165/DIG.226

Screw conveyor

0
165/119

With solids separator for exchange fluid

174
165/135

With thermal or acoustical blocker

297
165/136

Insulation and temperature modifier within barrier member

69
165/200

With timer, programmer, time delay, or condition responsive control

91
165/303

Cleaning

14
165/275

Control of amount of conductive gas in confined space between heat source and heat sink

20
165/272

Control of heat pipe heat transfer characteristics

74
165/273

Control of quantity of inert gas

23
165/274

Control of vapor or liquid flow between evaporator and condenser sections (e.g., by variable restrictions, check valves, etc.)

86
165/276

Control of variable thermal conductivity systems (e.g., heat valves, etc.)

62
165/277

Solid heat transfer path

23
165/281

Fluid pressure responsive or control

33
165/282

Branched flow of heat exchange material

20
165/283

Bypass of heat exchanger

39
165/284

Differential pressure operated bypass

32
165/286

Flow of one heat exchange material controlled by its own pressure

52
165/285

Flow of one heat exchange material controlled by the pressure of another

17
165/201

Having heating and cooling capability

70
165/231

Congealed material (e.g., frost, etc.) or condensation removal or prevention

51
165/233

Operated by temperature sensor

35
165/232

Operated by timer or programmer

30
165/236

Control of heat storage

141
165/234

Control of static pressure of conditioned space

16
165/235

Space is within aircraft

12
165/248

Flow of air from outdoors controlled (e.g., minimum outside air, etc.)

69
165/252

Pre-heat or pre-cool of outdoor air before mixing with returned air

6
165/249

Proportion of outdoor air and return air controlled

73
165/250

Outdoor air used in lieu of operating heating or cooling means (e.g., economy cycle, etc.)

24
165/251

Enthalpy sensor

22
165/240

Heat pump and supplemental heat source

177
165/241

Change-over from heat pump operation to supplemental heat source operation alone

30
165/242

Responsive to outdoor temperature

26
165/222

Humidity control

58
165/230

Dewpoint controlled (e.g., control of cooling means by downstream temperature sensor to maintain controlled dewpoint of downstream air, etc.)

43
165/223

Humidity sensor measures humidity of air in conditioned space

49
165/224

Additional humidity sensor (e.g., located outside of conditioned space, etc.)

25
165/229

Humidity sensor controls humidifier

28
165/225

Humidity sensor controls indirect-contact cooling means

14
165/227

Air bypass of indirect-contact cooling means

5
165/226

Liquid spray onto indirect-contact cooling means

4
165/228

Reheat of cooled air downstream of indirect-contact cooling means

33
165/237

Means responsive to occupancy of space

57
165/238

Means storing set point for particular time of day (e.g., clock thermostat, etc.)

117
165/239

Means to compute time required to reach certain temperature by certain time of day (e.g., morning warm-up, etc.)

41
165/244

Means to control fan or pump to regulate supply air flow or supply water flow

73
165/245

Low flow during heating and high flow during cooling

6
165/246

Responsive to pressure

14
165/247

Responsive to temperature

113
165/243

Means to reset supply air temperature or supply water temperature as function of heat load

26
165/205

Plural temperature regulators for plural zones

104
165/208

Central system prioritizes heating and cooling requests from zones

73
165/212

Central temperature conditioned air supplied to each zone

43
165/216

Mixing of separate centrally supplied hot and cold stream before discharge into each zone (e.g., dual-duct, etc.)

26
165/213

Mixing within zone of recirculated zone air and supply air adjacent zone air inlet (e.g., induction unit, etc.)

1
165/214

Including a fan (e.g., fancoil unit, etc.)

15
165/215

Reheat adjacent zone air inlet

11
165/217

Volume flow of discharged air at discharge into zone modulated by zone heating or cooling load (e.g., variable air volume, etc.)

102
165/218

Central temperature conditioned liquid supplied to each zone

24
165/219

Separate supply and return mains (e.g., two pipe system, etc.)

24
165/220

Additional supply main (e.g., three pipe system, etc.)

8
165/221

Additional return main (e.g., four pipe system, etc.)

8
165/211

Different conditioning means for perimeter zone and core zone

9
165/210

Heat balancing using waste heat or cold (e.g., heat reclaim, etc.)

18
165/206

Nonbuilding system (e.g., machine tool, chemical analyzer, etc.)

74
165/207

Refrigeration system having an evaporator or condenser in each zone

28
165/209

Supervisory central control means overrides zone controller

62
165/253

Temperature sensor controlling temperature

83
165/263

Area receives conditioning from simultaneously operated heating and cooling means (e.g., opposed and compensating heating and cooling, etc.)

140
165/264

Simultaneous heating and cooling only in limited range around set point temperature

32
165/265

Manual changeover between heating and cooling modes (e.g., manual override, etc.)

64
165/254

System selects heating or cooling mode automatically (e.g., responsive to season, ambient light, temperature in conditioned area, etc.)

60
165/255

Dead band between heating and cooling

39
165/257

Room and ambient temperature sensors

53
165/258

Separate heating and cooling thermostats

11
165/259

Single temperature sensing means

53
165/256

Variable rate of heating or cooling (e.g., plural stages, etc.)

32
165/260

Variable rate of heating or cooling (e.g., plural stages, etc.)

25
165/261

Sequentially activated heat sources or cool sources

25
165/262

Timer

11
165/202

Vehicle installation

405
165/204

Flow control of chest, foot, or defrost air in vehicle

182
165/203

Plural temperature regulators for plural zones

187
165/301

Liquid-level responsive or control means

39
165/302

Condenser or evaporator

23
165/267

Means to heat or cool for predetermined periods of time (e.g., duty cycle, time-temperature profiler, etc.)

115
165/269

Duty cycle (e.g., pulse duration or pulse frequency modulation, etc.)

46
165/268

Predetermined time variable set point

44
165/266

Pre-heat or pre-cool of space or device during start-up

23
165/279

Pressure and temperature responsive or control

41
165/280

Bypass of heat exchanger responsive to both temperature and pressure

20
165/287

Temperature responsive or control

128
165/296

Branched flow of heat exchange material

36
165/297

Bypass of heat exchanger

140
165/298

Mixture temperature sensing

34
165/300

Flow of one heat exchange material controlled by its own temperature

138
165/299

Flow of one heat exchange material controlled by temperature of another

181
165/295

Including mass flow sensor

42
165/288

Plural temperature sensors

74
165/294

Branched flow of heat exchange material

37
165/289

Means to maintain a constant temperature difference between a measured temperature and a controlled temperature

33
165/292

Temperature sensor in treated fluid, another temperature sensor in treating fluid

30
165/291

Temperature sensor inside conditioned space, another temperature sensor outdoor (e.g., indoor set point adjusted by outdoor conditions, etc.)

61
165/293

Temperature sensor prior to heat exchanger and one after

47
165/290

Temperature sensor within or near an area to be conditioned, another tempeerature sensor near the conditioning equipment (e.g., shallow/deep, etc.)

29
165/270

Time delay

50
165/271

Vehicle or engine speed responsive

46
165/278

Vent of system (e.g., overpressure, overtemperature, removal of noncondensable, etc.)

20
165/DIG.92

With valve or movable deflector for heat exchange fluid flow

7
165/DIG.93

Adjustable radiator face covering means (e.g., adjustable shield for car radiator, heater core, etc.)

4
165/DIG.96

Pivotal movement of adjustable cover

0
165/DIG.97

Plural parallel pivotable shutters

2
165/DIG.98

One shutter section having different flow area or flow direction with another shutter section

0
165/DIG.99

With fan

0
165/DIG.95

Rectilinear sliding movement of adjustable cover

1
165/DIG.94

Windowshade type (i.e. sheet feeds off roller)

1
165/DIG.100

Flow direction reversed through heat exchanger

7
165/DIG.101

For controlling supply of heat exchange fluid flowing between hydraulically independent heat exchange sections

2
165/DIG.104

Hydraulically independent heat exchange sections connected in parallel

2
165/DIG.105

Correlated valves

1
165/DIG.106

Valves each controls a heat exchange section

5
165/DIG.107

Hydraulically independent heat exchange tubes disposed in housing (e.g., tank, casing, etc.)

0
165/DIG.108

Coiled tubes

0
165/DIG.102

Hydraulically independent single-confined-fluid radiator sections for heating ambient air

1
165/DIG.103

Valves each controls a radiator section

0
165/DIG.123

Heat exchange flow path through heat exchanger altered (e.g., crossed, etc.)

4
165/DIG.124

Stove pipe drum

0
165/DIG.125

Valve mounted on fixed deflector

0
165/DIG.126

Total flow rate through heat exchanger controlled by valve

3
165/DIG.131

Single-confined-fluid radiator for heating ambient air

0
165/DIG.127

Stove pipe drum

1
165/DIG.128

Including air draft passage for heating ambient air

0
165/DIG.129

Valve regulates flow through housing enclosing heat exchanger

4
165/DIG.130

Including valve regulating flow through heat exchanger

0
165/DIG.109

With by-pass of heat exchanger or heat exchanger section

3
165/DIG.110

Bypass within or surrounds heat exchanger

1
165/DIG.113

Bypass centrally located in heat exchanger

2
165/DIG.114

Having perforated wall

0
165/DIG.116

Plural adjacent flow channel parallel to central bypass

1
165/DIG.117

Arranged for series flow therethrough

0
165/DIG.115

Surrounding by a helical flow channel

0
165/DIG.119

Bypass controlled by pivotal damper

0
165/DIG.111

Heat exchanger enclosing a fluid conduit confining second heat exchange fluid

2
165/DIG.112

Stove pipe drum having air draft passage for heating ambient air

0
165/DIG.118

Serpentine heat exchange flow path

1
165/DIG.120

U or serpentine heat exchange flow path

0
165/DIG.121

Serpentine heat exchange flow path

1
165/DIG.122

U heat exchange flow path and linear bypass

1
165/41

With vehicle feature

809
165/42

Heating and cooling

744
165/43

Vehicle contained common power and heat supply

621
165/44

Utilizing motion of vehicle

112
 
 
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