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Class Information
Number: 415
Name: Rotary kinetic fluid motors or pumps >
Description: This is the class for apparatus, and corresponding methods of operating such apparatus, comprising a runner*, and in which a working fluid* is guided to, around, or from, the runner.










Class Number Class Name No. of Patents
415/909

Air stack or shaft having natural fluid current motor

37
415/91

Annular runner with inwardly projecting blade

24
415/77

Axial flow runner with blades extending radially inward and outward from common annulus

28
415/79

Serial flow through inward and outward extending blade rows

11
415/78

With means selecting only one blade row for working fluid flow

4
415/93

Axially opposed working fluid paths to or from runner (e.g., end balance, etc.)

17
415/101

Plural, separate, parallel, simultaneous flow paths

49
415/103

Plural, axially spaced blades in each path

32
415/102

Towards each other and common exhaust

81
415/97

Pump impeller means

7
415/98

Impeller blades extending from opposite sides of common central support

85
415/99

Plural axially spaced impellers

22
415/100

Serially arranged in working fluid path

42
415/96

With additional shaft connected end balancing fluid force reactor surface

3
415/94

With working fluid regulation or control means

8
415/95

For fluid motor

13
415/170.1

Bearing, seal, or liner between runner portion and static part

332
415/173.7

Between axial flow runner and vane or vane diaphragm structure

203
415/173.1

Between blade edge and static part

565
415/173.4

Erodable or permanently deformable

316
415/173.5

Labyrinth seal

171
415/173.3

Resilient, flexible, or resiliently biased

200
415/173.2

Selectively adjustable

144
415/173.6

Between blade supported radial tip ring and static part

155
415/171.1

Dynamically created seal

96
415/174.4

Erodable or permanently deformable

219
415/174.5

Labyrinth seal

272
415/172.1

Means to seal radial flow pump runner inlet from outlet

108
415/174.2

Resilient, flexible, or resiliently biased

244
415/174.3

Seal lies against axial face of runner hub

75
415/174.1

Selectively adjustable

71
415/229

Bearing, seal, or liner between shaft or shaft sleeve and static part

367
415/230

Seal

285
415/231

Resiliently biased

168
415/108

Casing and spaced housing with space vented to working fluid

112
415/89

Centrifugal bowl pump

48
415/120

Centripetal pump

30
415/121.3

Combined

69
415/6

Cyclically dipping, liquid retaining, elevating and discharging receptacle or conduit

17
415/914

Device to control boundary layer

422
415/901

Drilled well-type pump

62
415/8

Driven, fluid immersed runner with vane in unconfined fluid stream (e.g., trolling plate, etc.)

31
415/5

Endless flexible runner (e.g., chain, etc.)

78
415/7

Float supported or buoyant runner

191
415/76

Fluid flow between plural sinuous runner surfaces

18
415/175

Including additional means causing or controlling fluid flow for heat exchanging, lubricating or sealing

392
415/176

Means subjected to or is working fluid

275
415/126

Including casing part selectively movable relative to fixed support

211
415/127

Circularly around fixed runner axis

94
415/128

Separate liner portion

50
415/9

Including destructible, fusible, or deformable non-reusable part

299
415/177

Including heat insulation or exchange means (e.g., fins, lagging, etc.)

286
415/180

Cooling fluid contacts shaft, seal or bearing

169
415/178

Working fluid on at least one side of heat exchange wall

383
415/179

Interstage heat exchanger

47
415/169.1

Including means for handling portion separated from working fluid

215
415/169.2

Moisture or liquid separated from gaseous working fluid e.g., condensate removal, etc.)

78
415/169.4

Axial flow blade set and area for collecting moisture or liquid thrown radially outward

29
415/169.3

Vane having specific moisture or liquid directing surface

12
415/168.1

Including means for handling working fluid leakage

34
415/168.2

Leakage through seal between runner or shaft and static part

107
415/168.4

Means specific to axial flow runner

20
415/168.3

Screw type pumping seal

21
415/125

Including means to cause cyclical movement of a part (e.g., blade, valve, etc.)

42
415/122.1

Including shaft transmission train, brake, clutch, or attendant actuated drive means

147
415/123

Brake or clutch

101
415/124

Hand or foot operated crank, pedal or traction wheel

10
415/124.1

Runner supported portion engages shaft transmission train (e.g., peripheral gear drive, etc.)

62
415/124.2

Shaft transmission train having flexible means or coupling

48
415/134

Including thermal expansion joint

162
415/139

Circumferentially spaced nozzle or stator segments

211
415/136

Radially sliding

145
415/138

And axial or circumferential expansion

178
415/137

Stator vane in shroud ring opening

59
415/135

Resilient

146
415/146

Including working fluid force responsive vane or flow control

90
415/147

Upstream of runner

72
415/913

Inlet and outlet with concentric portions

15
415/912

Interchangeable parts to vary pumping capacity or size of pump

80
415/181

Means, disposition or arrangement for causing supersonic working fluid velocity

98
415/1

Method of operation

838
415/232

Miscellaneous

55
415/92

Motor runner having working fluid trapping pocket

35
415/80

Motor runner motivated by reaction type jet discharge nozzle from internal working fluid conduit

83
415/81

With additional rotary, fluid impinged blades

12
415/82

With control of runner speed or direction

11
415/905

Natural fluid current motor

61
415/908

Axial flow runner

108
415/906

Having specific features for water current

74
415/907

Vertical runner axis

144
415/916

Perpetual motion devices

19
415/143

Plural runners having different type flow paths

245
415/60

Plural runners supported for relative motion or on separate shafts

113
415/62

Diverse type runners, blade systems or working fluid paths in runners

44
415/63

Including internally passaged runner with reaction type jet discharge nozzle

13
415/65

Interdigitated, oppositely extending, coaxial, axially spaced blade rows

27
415/64

Radial flow through concentric radially spaced blade rows

16
415/66

Serially spaced in working fluid flow path

77
415/68

Coaxial runners

90
415/69

One runner support surrounds another

53
415/67

With initial fluid flow path to each runner

10
415/61

With means for selective runner operation or drive shaft connection

64
415/911

Pump having reversible runner rotation and separate outlets for opposing directions of rotation

25
415/88

Pump having rotating inlet end or scoop immersed in liquid

65
415/915

Pump or portion thereof by casting or molding

51
415/140

Resilient or movably mounted blade portion or axially movable runner or shaft

35
415/141

Yieldingly or pivotedly mounted or flexible blade

68
415/910

Reversible between pump and motor use

73
415/900

Rotary blood pump

158
415/902

Rotary pump turbine publications

4
415/70

Runner has planetary motion or rotates around oblique or constantly moving axis

17
415/71

Runner has spirally arranged blade or fluid passage

52
415/72

Extending along runner axis (i.e., axial flow)

130
415/73

Fluid conducting passage

51
415/75

Motor runner

32
415/74

With additional impingement means in fluid flow path

32
415/129

Runner or blade selectively adjustable relative to casing

52
415/131

Axially adjusted

96
415/132

Shaft end supported on movable bearing

28
415/133

Radially adjusted or centered shaft

14
415/130

Relatively angularly adjustable plural blades or runners

24
415/83

Runner with annular blade rows or fluid channels spaced on common radial plane

18
415/86

Blades projecting axially from plural transverse runner faces

4
415/87

From opposed faces of common central disc

11
415/84

Including peripheral blade row

10
415/85

With means for reversing runner rotation

2
415/148

Selectively adjustable vane or working fluid control means

180
415/150

Runner, shaft, or separate motor operated

193
415/149.1

Separate means upstream and downstream of blade set

35
415/149.2

Including axial flow blade set

22
415/149.3

Means to reverse flow through blade set

4
415/149.4

Plural, selectively adjustable, alternating vane assemblies and blade rows (a,b,a,b)

23
415/151

Upstream of runner

168
415/167.1

Convertible series-parallel pump

6
415/156

Deformable, resilient or resiliently biased

57
415/152.1

Motor runner with selective inlet paths for reversible rotation

15
415/154.3

Including axial flow blade set

0
415/154.1

Plural inlets simultaneously discharging working fluid onto single blade set

4
415/154.2

Axial flow blade set

4
415/152.2

Runner includes radial flow blade set

8
415/153.1

Separate runner blade set acted upon for reverse rotation

2
415/153.2

Axial flow blade set

4
415/167

Movable pipe or nozzle

25
415/159

Plural and arcuately or circularly arranged around runner axis

121
415/160

Individually pivoted vanes

373
415/161

And fixed vane

75
415/163

Pivoted parallel to runner axis

109
415/164

Vanes and blade in same radial plane

159
415/162

Plural, selectively adjustable vane sets

75
415/165

On same radial plane with blade

74
415/166

Circumferentially movable around shaft

30
415/155

Plural, independently adjustable

53
415/157

Single, axially movable cylinder or plate

135
415/158

Movable to position surrounding blade

131
415/142

Shaft bearing combined with or retained by arm or vane in surrounding working fluid space

141
415/90

Smooth runner surface for working fluid frictional contact (e.g., unbladed runner, etc.)

429
415/904

Tool drive turbine (e.g., dental drill, etc.)

95
415/903

Well bit drive turbine

57
415/12

With bimetallic blade, vane, or adjustment means therefor

39
415/114

With changing state confined heat exchange mass

105
415/10

With control means responsive to motion developed fluid eddy, electrical, or magnetic effect

40
415/13

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

57
415/30

By shaft speed or torque responsive means

59
415/31

Helix or screw runner

2
415/32

Including reset or manual adjustment

2
415/33

Of adjustable runner, blade, shaft or bearing

19
415/34

Axially shifted runner, shaft or bearing

13
415/35

Of movable deflector intermediate jet discharge and runner

10
415/36

Of working fluid valve or vane

82
415/42

Actuated by runner or separate motor

26
415/43

Fluid servo-motor and speed responsive means actuated pilot valve

19
415/46

Downstream of runner

14
415/37

Including valve in interstage or re-entry passage

6
415/44

Multiple working fluid inlets to runner

15
415/45

On same radial plane with blade

8
415/38

Plural passages with sequential or reverse fluid control

16
415/40

Fluid motor operated valve

1
415/39

Inlet and relief or bypass valves

16
415/41

With latch means for valve actuator

8
415/14

Casing, runner, or shaft position or extent of motion responsive

78
415/25

Centrifugally initiated valve controlling fluid flow in shaft or runner

32
415/18

Control of clutch or brake surface

22
415/20

Control of working fluid and diverse apparatus part

15
415/21

Diverse part is runner portion or connection to shaft

3
415/22

Runner bypass from inlet controlled

8
415/19

Including control of starting motor or runner blade starting position

11
415/17

Plural diverse condition responsive (e.g., temperature and pressure, speed and level, etc.)

209
415/24

Responsive to liquid level or weight

30
415/26

Responsive to moving member developed fluid force, current or pressure

132
415/29

Motor and upstream working fluid flow control

33
415/27

Of relief valve in branched pump discharge line

67
415/28

Of valve bypassing runner stage

39
415/23

Responsive to working fluid discharge angle from blade or vane

5
415/47

Temperature or fluid force responsive member

87
415/49

Fluid force responsive member controls working fluid

47
415/50

For a plurality of runners

11
415/48

For adjustment of runner, shaft, vane or blade

79
415/15

With input signal of independent condition

41
415/16

With testing means for speed control

31
415/121.1

With cutter or comminutor for debris in working fluid

133
415/116

With diversely oriented inlet or additional inlet for diverse fluid (e.g., heating, cooling or mixed working fluid, etc.)

801
415/117

Diverse fluids to motor

107
415/51

With independently operated timer or programmer actuator for working fluid control

13
415/118

With inspection, signaling, indicating or measuring means

375
415/110

With lubricating, sealing, packing or bearing means having internal working fluid connection (e.g., fluid or fluid biased seal, etc.)

147
415/111

For shaft sealing, packing, lubricating or bearing means

297
415/113

Fluid biased, movable or resilient portion

153
415/112

With inlet and outlet connections

247
415/2.1

With means for controlling casing or flow guiding means in response to natural fluid current force or direction

108
415/4.5

Axial flow runner

131
415/3.1

Having specific features for water current

125
415/4.1

Natural fluid current force responsive

110
415/4.3

Axial flow runner

192
415/4.2

Vertical runner axis

240
415/4.4

Vertical runner axis

159
415/52.1

With means for re-entry of working fluid to blade set (e.g., re-entry type device, passage, etc.)

31
415/58.7

Axial flow runner

46
415/53.1

Cross flow runner

111
415/53.3

Having selectively adjustable vane or working fluid control means

28
415/53.2

Having vane or deflector within runner blade set

15
415/58.1

Having additional blade set in re-entry path

21
415/58.6

Open recirculation from and to blade set

20
415/59.1

Plural blade sets

14
415/57.1

Plural, independent, serially acting re-entry means

24
415/57.2

Having additional blade set in re-entry path

7
415/57.3

Re-entry from opposite sides of blade face

10
415/57.4

Re-entry into blade in radial plane of blade

27
415/56.1

Pump priming means

24
415/56.3

Having plural and arcuately arranged vanes around runner

6
415/56.4

Re-entry through working fluid discharge passage for runner

9
415/56.5

Re-entry working fluid joins inlet working fluid upstream of runner

22
415/56.2

Vertical runner shaft

11
415/56.6

Walled pumping chamber positioned within liquid separation chamber

4
415/58.2

Radial flow runner portion guides re-entry working fluid (e.g., hub, back plate, etc.)

37
415/58.3

Runner inlet shroud

25
415/58.4

Re-entry working fluid joins inlet working fluid upstream of runner

108
415/58.5

Axial flow runner

63
415/54.1

To opposite face of blade

8
415/55.1

Turbine regenerative pump

343
415/55.5

Having plural, rigidly related blade sets

52
415/55.6

Acting serially but nonalternating (e.g., multistage, etc.)

59
415/55.7

In separate regenerative passages

22
415/55.2

Having specific means to deflect working fluid in regenerative passage

75
415/55.3

Means extends parallel to passage

34
415/55.4

Positioned at passage end (e.g., stripper seal, etc.)

77
415/115

With passage in blade, vane, shaft or rotary distributor communicating with working fluid

1639
415/11

With pump recirculation passage control responsive to working fluid condition or characteristic

55
415/121.2

With separating means or guard for solid matter in working fluid (e.g., debris, etc.)

364
415/109

With shaft connected fluid abutment member in sealing fluid filled chamber

29
415/104

With shaft connected fluid force subjected thrust balancing surface

175
415/106

Fluid force on opposite face of blade or blade support member

83
415/105

In separate chamber having non-system fluid inlet

35
415/107

Motor shaft

99
415/119

With sound or vibratory wave absorbing or preventing means or arrangement

1005
415/144

Working fluid bypass

212
415/145

Selectively adjustable vane or working fluid control for bypass

140
415/182.1

Working fluid passage or distributing means associated with runner (e.g., casing, etc.)

222
415/201

Access opening through portion of casing or cover

142
415/226

Annular exit chamber outward of runner

43
415/214.1

Casing having multiple parts releasably clamped (e.g., casing seal, etc.)

546
415/215.1

Casing having multiple parts welded, cemented, or fused

89
415/203

Casing having tangential inlet or outlet (i.e., centrifugal type)

188
415/206

Axially directed inlet and tangential outlet

725
415/204

Scroll-type casing

231
415/205

Inlet scroll

127
415/220

Casing with axial flow runner

427
415/223

Having runner in orifice of radially extending partition or casing element

74
415/221

Having specific features for liquid flow

101
415/222

Pump with casing narrowing to runner

71
415/219.1

Casing with axial, conical flow runner

67
415/213.1

Casing with mounting means

641
415/224

Casing with nonradial flow runner (e.g., circumferential flow, etc.)

58
415/225

Exit chamber in radial plane axially offset from runner (e.g., sludge pump, etc.)

42
415/202

Nozzle discharging onto motor runner

207
415/196

Passage or casing attached removable liner or wear member

112
415/197

Nonmetallic material

92
415/183

Plural distributing means immediately upstream of runner

45
415/185

Arcuately or circularly arranged around runner axis

65
415/186

On radial plane with runner blade

52
415/187

Plural, axially spaced sets of distributors

13
415/188

Radially inward of blade

16
415/189

Removably secured or mounted in casing

192
415/190

Axially arranged securing or mounting means

101
415/191

Vanes

552
415/192

Differentially twisted about radial axis

46
415/193

Plural, axially spaced vane sets

74
415/194

Diverse size or spacing in different spaced vane sets

31
415/195

Varied spacing between vanes in same set

34
415/184

Inlet scrolls, or distributors within inlet scroll

43
415/198.1

Plural rigidly related blade sets

94
415/199.4

Including an axial-flow blade set

78
415/199.6

And radial-flow blade set in series therewith

47
415/199.5

Plural serial axial-flow blade sets with intermediate stationary flow diverter(s)

222
415/199.1

Including serial radial flow blade sets and intermediate stationary flow diverter(s)

143
415/199.2

Wherein the diverter includes divider vane(s) between the blade sets

108
415/199.3

Including spirally configurated vane(s)

34
415/207

Pump outlet or casing portion expands in downstream direction

139
415/224.5

Radial flow casing having vaneless annulus diffuser

73
415/227

Runner having flow confining continuous passage

30
415/228

Runner having full circular shroud for blades

51
415/212.1

Scroll or helical type casing with specific exit nozzle

80
415/200

Specific casing or vane material

643
415/208.1

Vane or deflector

264
415/211.2

Downstream of runner

612
415/211.1

In radial plane with runner blade

151
415/208.2

Plural and arcuately or circularly arranged in radial plane around runner axis

342
415/210.1

Fixed between radially separate surfaces

180
415/209.2

Having means for mounting diaphragm or plural vane holder to casing

258
415/209.3

Having specific vane mounting means

324
415/209.4

Vane fixed between radially separate surfaces

195
415/208.3

Plane intersects with runner blade

196
415/208.5

Nonradial flow runner

35
415/208.4

Plural, radially spaced vane sets

39
415/209.1

Plural, axially spaced vane sets acting successively or having specific spacing means

99
415/218.1

With runner having conical hub including small diameter facing upstream

71
415/217.1

With runner having corrosion resistant or nonmetallic portion

84
415/216.1

With runner shaft of specific shape or material

178
 
 
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