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Class Information
Number: 416
Name: Fluid reaction surfaces (i.e., impellers) >
Description: This class provides the locus for all fluid impellers* not elsewhere classifiable.










Class Number Class Name No. of Patents
416/3

Actuation directly responsive to magnetic or electrical effect

58
416/93R

Ambient fluid or exhaust gas directed through hub, fairing or housing

71
416/94

Aircraft spinner or cowling

22
416/93A

Water or marine propellers

110
416/63

Ambulant, body supported or with carrying handle

64
416/131

Articulated, resiliently mounted or self-shifting impeller or working member

62
416/133

Axially displaceable rotary carrier (e.g., hub, etc.)

19
416/140

Including movement limit stop or damping means

237
416/139

Including weight bias means

56
416/134R

Nonmetallic resilient mounting

109
416/134A

Aircraft rotors

360
416/141

Plural articulation

219
416/135

Resilient bias or mount

88
416/136

Rotary working member pivotable solely about radial axis

36
416/137

Convolute spring coaxial with impeller shaft

20
416/138

With manual control means

81
416/132R

Sectional, staged or nonrigid working member

47
416/132A

Flexible sheet or plate

76
416/132B

Windmills

256
416/84

Buoyant or inflatable working member

40
416/146R

Combined or convertible

281
416/146A

Hub lubrication or seal

37
416/78

Crank type dipping or stirring motion

3
416/197R

Cupped reaction surface normal to rotation plane

39
416/197A

Air and water motors (natural fluid current)

184
416/197B

Pelton wheels (impulse wheels)

15
416/197C

Torque converters

65
416/175

Diverse impellers or working members

163
416/20R

Drive by fluid reaction jet on working member

53
416/20A

Articulated or flexible connection

13
416/21

Combustion chamber carried by member

9
416/22

Air-ingestion rotor tip unit

9
416/6

Driven by pulsating or diverse working fluid

16
416/85

Float supported

102
416/86

Buoyant hub or rim

29
416/DIG.4

Fluid current motor and generator

137
416/501

Fly brush type impeller

2
416/DIG.2

Formulas of curves, etc.

368
416/169R

Having clutch or brake means

114
416/169A

Engine cooling fans

154
416/2

Having frangible or fusible part or connection

84
416/174

Having lubricating, sealing, packing or specific bearing means between impeller or shaft and static part

205
416/147

Having positive means for impeller adjustment

92
416/153

Having pitch lock or adjustable stop

51
416/154

Fluid motor for impeller adjustment

29
416/155

Motor bodily rotatable with impeller hub or shaft

108
416/156

Fluid motor

40
416/157R

Coaxial with impeller shaft

106
416/157B

Plural blade units

16
416/157A

Rotary fluid motor

12
416/158

Working member mounted or housed

46
416/151

Power derived from impeller shaft

12
416/152

By brake application or release

17
416/159

Power or manual actuator on non-rotatable part

23
416/163

Adjustment rod through entire impeller shaft

18
416/161

Axially movable impeller

5
416/162

Having motor

66
416/160

Planetary gearing connecting rotatable and non-rotatable parts

44
416/164

Reciprocating sleeve or collar on or rod in impeller shaft

31
416/168R

Link connection to working member

80
416/168A

Turbo-machine

15
416/167

Pin-slot or cam-slot connection to working member

63
416/166

Rack-pinion connection to working member

20
416/165

Reciprocated by coaxial screw

30
416/149

Shiftable carrier support

14
416/150

Rectilinear motion

11
416/148

Tiltable carrier (e.g., hub, etc.)

73
416/DIG.7

Inlet and outlet

5
416/25

Interrelated controls for impeller and drive means

21
416/27

Pitch adjustment and throttle regulation with condition sensing means

50
416/29

Drive engine intake air responsive control

9
416/30

Electrical control or sensing means

48
416/28

Temperature responsive control

10
416/26

Pitch adjustment related to drive brake or clutch operation

16
416/194

Lashing between working members or external bracing

33
416/196R

Connecting adjacent work surfaces

92
416/196A

Non-turbo machine (windmills)

56
416/195

Peripheral

74
416/1

Method of operation

472
416/248

Miscellaneous (e.g., blade root or root block, etc.)

343
416/198R

Multiple axially spaced working members

128
416/200R

Circumferentially offset

47
416/200A

Turbo machine

15
416/201R

Differing radii

90
416/201A

Non-turbo machine

38
416/199

Opposed axial flow

24
416/198A

Turbo machine

212
416/54

Operated by art device

2
416/60

Integral with or directly attached to rotary device or part (e.g., flywheel, pulley, etc.)

73
416/59

Pivot supported swinging device

0
416/56

Runner supported rocking device

0
416/58

Continuous impeller rotation

1
416/57

Inertial actuation

0
416/55

Vehicular device

19
416/69

Operator supported manually actuated type

3
416/74

Fulcrum support type (e.g., oar, scull, etc.)

36
416/70R

Operation solely by direct hand manipulation

40
416/70A

Fans

17
416/72

Relatively movable portions

9
416/73

Arcuate planar folding of working surface

14
416/71

Simulation or having indicia, ornamentation or combined feature

8
416/75

Reciprocatory pin-slot actuator

1
416/76

Rotary hand crank (e.g., egg beater, etc.)

0
416/77

Intermeshing or interdigitated working members

0
416/79

Oscillatory reaction motion

26
416/83

Compound motion (e.g., feathering, undulating, etc.)

37
416/81

Flexible working member

21
416/82

Relatively movable working member portions

21
416/80

With pendulum, counterbalance or inertial weight

18
416/178

Perimetric blading extending axially between annular members (e.g., squirrel cage type, etc.)

101
416/120

Plural impellers having relative movement or independent supports

43
416/124

Coaxial rotation

33
416/126

Concentric working members

22
416/127

Concurrent adjustment

22
416/125

Individual prime mover

14
416/128

Oppositely rotating impellers

85
416/129

Engine driven

145
416/130

Differential or independent adjustment

32
416/123

Divergent rotation axes

22
416/122

Intersecting or interdigitated paths of operation

28
416/121

Shiftable support

50
416/202

Projecting blade axis offset from rotation axis

36
416/247R

Protective screen or guard

194
416/247A

Water or marine propellers

54
416/87

Radially extensible or retractible rotor working member

82
416/89

Having pitch adjustment

65
416/88

Variable work surface or non-rigid connection

40
416/62

Removable auxiliary attachment to work surface

115
416/4

Rotary skin friction type (e.g., magnus rotor, etc.)

37
416/179

Rotor having flow confining or deflecting web, shroud or continuous passage

62
416/181

Apertured or foraminous web or shroud

71
416/189

Axially extending shroud ring or casing

329
416/192

Having radial flange

112
416/191

Segmental shroud

214
416/193R

Spaced inwardly of impeller periphery

103
416/193A

Root platforms

468
416/190

Vibration inhibiting or expansion-contraction structure

165
416/180

Blades projecting axially from concavo-convex annular web

70
416/182

Radially extending web or end plate

51
416/185

Circumferentially and radially continuous web or end plate

213
416/188

Conical web

138
416/186R

Having opposed annular surface between adjacent blades

245
416/186A

Adjustable blade or part

28
416/187

Angularly spaced, axially elongated blades (i.e., squirrel cage type)

119
416/183

Circumferentially or radially angulated or discontinuous blades or sections (e.g., stepped, etc.)

135
416/184

Spaced intermediate ends of opposed axial flow impeller

50
416/DIG.9

Savonius

17
416/DIG.3

Sheet metal

74
416/19

Single blade rotary impeller with counterbalance

27
416/223R

Specific blade structure (e.g., shape, material, etc.)

585
416/231R

Apertured or permeable

109
416/231A

Mixers or agitators

28
416/231B

Slotted blade

64
416/239

Blade cuff or shank construction

91
416/238

Cantilever blade

181
416/241R

Coating, specific composition or characteristic

898
416/241B

Ceramic material

626
416/241A

Plastic or synthetic material

358
416/243

Concave surface

304
416/240

Flexible

136
416/226

Formed with main spar

272
416/225

Having spanwise compression means

29
416/224

Having wear liner, sheathing or insert

330
416/232

Hollow

155
416/233

Having brace means bridging cavity

173
416/234

Integrally shaped or blended into hub

129
416/235

Irregular, flanged or channel forming blade surface

168
416/237

Angular or offset

187
416/236R

Ribbed or grooved

178
416/236A

Concentric or circular ribs

55
416/229R

Laminated, embedded member or encased material

263
416/229A

Turbo machine

205
416/230

Wire, fiber, strand or fabric

459
416/227R

Openwork (e.g., lattice, looped, etc.)

48
416/227A

Propeller and non-mixers

66
416/223B

Radial flow devices

184
416/242

Reverse curve surface

147
416/228

Tined or irregular periphery

362
416/223A

Turbo machine

375
416/170R

Specific drive or transmission means

342
416/172

Alternating rotation

12
416/170HM

Hand mixers

0
416/171

Impeller driven by fluid motor

52
416/173

Manual powered means

1
416/204R

Specific working member mount

219
416/205

Adjustable

98
416/207

Blade releasably clamped

90
416/208

Split impeller hub

40
416/206

Spring biased detent

65
416/209

Thimble or sleeve fixed on impeller blade

29
416/214R

Blade held between separable surfaces

107
416/214A

Turbo machine

48
416/215

Blade received by continuous circumferential channel

105
416/217

Divided blade root

41
416/218

Having circumferentially extending binder

72
416/216

Radially spaced ribs or grooves

27
416/219R

Blade received in well or slot

315
416/220R

Having blade locking means

411
416/220A

Non-turbo machine

67
416/221

Resilient or deformable

182
416/219A

Non-turbo machine

28
416/222

Blade straddles carrier

39
416/210R

Distally supported on radial arm

218
416/211

Axially extending blade

17
416/210A

Turbo machine

8
416/212R

Interlocking blades

34
416/212A

Turbo machine

29
416/204A

Turbo machine

114
416/213R

Welded, cemented or fused

178
416/213A

Non-turbo machine

45
416/176

Spiral blade or flow passage (360 degree)

101
416/177

Flow confining casing, shroud or passage

60
416/DIG.8

Stack or chimney with fluid motor

20
416/DIG.1

Stalker

0
416/244R

Support mounting, carrier or fairing structure

586
416/246

Selectively adjustable impeller mount

122
416/245R

Spinner or fairwater cap

88
416/245A

Water or marine propellers

50
416/244A

Turbo machine

330
416/244B

Water or marine propellers

89
416/DIG.6

Supports for natural fluid current motors

98
416/98

Sustained ancillary movement of rotary working member (e.g., cyclic feathering, etc.)

29
416/108

By actuator eccentric to rotation axis

35
416/109

Stationary eccentric guide or track

8
416/110

Continuous rotation about plural axes

35
416/111

Motion about parallel axes

64
416/100

Continuous rotor oscillation

64
416/101

Cyclic radial movement

11
416/99

Intermounted rotary members

21
416/103

Lead-lag type rotor blade movement

8
416/104

And additional correlated blade movement (e.g., pitch change, etc.)

28
416/105

Positive means effecting lead-lag movement

1
416/106

With movement restraining means (i.e., damping)

26
416/107

Resilient bias or limit stop

40
416/102

Responsive to carrier tilt

31
416/112

Responsive to fixed actuator (e.g., cam or trip, etc.)

11
416/113

Axial cam

6
416/114

Selectively adjustable

98
416/115

Plural impellers

24
416/116

Stationary cam track or guide surface

23
416/117

Responsive to gravity or working fluid force

89
416/118

Having manual control or adjustment

14
416/119

Motion about parallel axes

191
416/64

Translatory reaction motion

9
416/65

And concurrent rotary reaction motion

5
416/66

Flexible or relatively movable working member or part

10
416/68

Complemental pivoted surfaces

6
416/67

Valve type

2
416/203

Unsymmetrical impeller or dissimilar working members

220
416/DIG.5

Variable camber or chord length

159
416/500

Vibration damping features

524
416/31

With control means responsive to non-cyclic condition sensing, centrifugal actuation, torque or thrust

91
416/32

Control of drive brake or clutch

63
416/44

Impeller rotation speed responsive

110
416/52

Centrifugal mass coaxial with impeller

14
416/53

Pivot axis parallel to rotation axis

19
416/51

Centrifugal mass moved along guided or lineal path

44
416/47

Control by means of separate motor

32
416/48

Motor carried by impeller

63
416/46

Including pitch lock or adjustable stop

57
416/49

Including reset or manual override of control

24
416/50

Of centrifugal weight governor

11
416/45

Valve element directly movable by centrifugal force

12
416/33

Plural distinct impellers having related control

29
416/34

Synchronizing

26
416/36

Plural diverse condition responsive

49
416/38

Drive engine condition excluding shaft speed or torque

16
416/37

Relative ambient condition sensing (e.g., temperature, density, wind force, etc.)

81
416/42

Pressure or altitude responsive

41
416/43

Responsive to condition of torque or thrust of device or driving or driven means or mechanism

82
416/40

Responsive to relative working fluid velocity

29
416/41

Natural fluid current

186
416/39

Temperature or icing condition responsive

85
416/35

With electrical means comparing and reducing error related to preset datum

75
416/90R

With fluid passage in working member communicating with working fluid

85
416/90A

Air and watercraft propellers

59
416/91

Both inlet and outlet to working fluid

74
416/92

Discharge solely at periphery normal to rotation axis

161
416/18

With gyroscopic reference means for rotor control

10
416/95

With heating, cooling or thermal insulation means

370
416/96R

Changing state mass within or fluid flow through working member or carrier

557
416/96A

Blade inserts

252
416/97R

Flow exhausted to working fluid

1337
416/97A

Laminated or porous skin

129
416/5

With illumination means

335
416/23

With means moving working fluid deflecting working member part during operation (e.g., aileron, etc.)

145
416/24

Cyclic movement of member or part

67
416/9

With means positioning fluid current driven impeller relative to flow direction

82
416/17

Feathering cycle related to flow direction

79
416/10

Offset relative to flow direction

20
416/13

Horizontal deflection relative to flow-aligned vane

26
416/15

And responsive to transverse vane

5
416/16

Biased to position by weight of parts

15
416/14

With impeller brake or stop

21
416/12

Responsive to folding or feathering of flow-aligned vane

11
416/11

Upstream pivotal mounting

75
416/61

With measuring, testing, signalling or inspection means

342
416/144

With weight-balancing means

150
416/145

Self-shifting or selectively adjustable mass

127
416/142

Working member foldable, pivotable or collapsible to non-use position

187
416/143

Member movement in rotation plane

78
416/7

Working member supported on endless flexible carrier

30
416/8

Feathering blades

26
 
 
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