Patents-Review.com
ClassID:

136728 ⎘

F01C21/0863 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in groups  - ; Rotary pistons; Construction of vanes or vane holders; Vane tracking; control therefor by fluid means the fluid being the working fluid

Recent Application in this class:
#1
20250101977
2025-03-27

KIDNEY PORT CONFIGURATIONS IN PORT PLATES FOR BALANCED VANES

 #2
20240167476
2024-05-23

Rotary compressor

 #3
20230313683
2023-10-05

Vane wearing detection

 #4
20220162943
2022-05-26

Sliding vane fluid pump

 #5
20220106958
2022-04-07

VANE PUMP AND METHOD FOR THE OPERATION THEREOF

 #6
20210262464
2021-08-26

Positive displacement pump including an unloading device

 #7
20210140317
2021-05-13

Rotating heating chamber apparatus and method of use thereof

 #8
20210108634
2021-04-15

Vane cell pump

 #9
20200347844
2020-11-05

Vane pump having a side member including a triangular-shaped protruding opening portion in communication with a back pressure opening portion for preventing wear of an inner circumference cam face

 #10
20200011180
2020-01-09

Hydraulic machine with stepped roller vane and fluid power system including hydraulic machine with starter motor capability

 #11
20190285068
2019-09-19

Positive displacement pump including an unloading device

 #12
20190211681
2019-07-11

Backpressure passage rotary compressor

 #13
20180372102
2018-12-27

Two-stage rotary compressor

 #14
20180347565
2018-12-06

Rotary compressor with a valve in the vane

 #15
20180245589
2018-08-30

Variable oil pump

 #16
20180245588
2018-08-30

Variable oil pump

 #17
20180245587
2018-08-30

Variable oil pump having adjustment ring containing guide portion with flat surface

 #18
20180163543
2018-06-14

VANE PUMP WITH ONE OR MORE LESS RESTRICTED VANES

 #19
20180149154
2018-05-31

Vane pump and method for the operation thereof

 #20
20180149153
2018-05-31

PUMP DEVICE

 #21
20180128107
2018-05-10

Vane oil pump with different back pressure supplied to vanes

 #22
20180106252
2018-04-19

Vane spacing for a variable displacement oil pump

 #23
20180030833
2018-02-01

GAS COMPRESSOR

 #24
20180003176
2018-01-04

Vane cell pump with a sub-vane region to which pressure can be applied

 #25
20170356444
2017-12-14

Transfer device

 #26
20170314553
2017-11-02

Positive displacement pump including an unloading device

 #27
20170184106
2017-06-29

Vane pump device

 #28
20170184105
2017-06-29

Vane pump device for controlling fluid supplied to vane grooves

 #29
20170184104
2017-06-29

Vane pump device for controlling deviation of a force applied to the vanes

 #30
20170184100
2017-06-29

Vane pump device that controls pressure pushing vanes against a cam ring

 #31
20170175739
2017-06-22

Vane pump device having two different discharge amounts

 #32
20170175738
2017-06-22

Vane pump device having multiple discharge pressures

 #33
20170175737
2017-06-22

Supplying pressurized fluid to the vane groove for a vane pump device

 #34
20170138360
2017-05-18

Low-backpressure rotary compressor

 #35
20170122314
2017-05-04

Vane pump device and hydraulic apparatus

 #36
20170122313
2017-05-04

Vane pump device

 #37
20170122312
2017-05-04

Vane pump device

 #38
20170067462
2017-03-09

Vane pump and vane pump manufacturing method

 #39
20170022813
2017-01-26

Vane pump

 #40
20160333877
2016-11-17

Gas compressor having block and pressure supply parts communicating with backpressure space

 #41
20160333876
2016-11-17

Vane pump

 #42
20160281715
2016-09-29

Vane Pump Assembly

 #43
20160265531
2016-09-15

Vane rotary compressor having hinge receiving portions formed on an outer peripheral surface of a rotor with a plurality of vanes including a hinge portion and a blade portion

 #44
20160245286
2016-08-25

Vane pump

 #45
20160131266
2016-05-12

Under vane valve piston structure

 #46
20160123390
2016-05-05

Gear pump bearings with hybrid pads

 #47
20160047379
2016-02-18

Multi-cylinder rotary compressor and vapor compression refrigeration cycle system including the multi-cylinder rotary compressor

 #48
20160017884
2016-01-21

Variable displacement vane pump having connection groove communicating with suction-side back pressure port thereof

 #49
20150369245
2015-12-24

Vane rotary compressor

 #50
20150322790
2015-11-12

Rotation device and rotor compressor and fluid motor having the same

 #51
20150285246
2015-10-08

Variable displacement oil pump

 #52
20150267703
2015-09-24

Vane-rotary gas compressor

 #53
20150147216
2015-05-28

Gas compressor

 #54
20150139846
2015-05-21

Blade-type fluid transmission device

 #55
20150125331
2015-05-07

Displacement pump having fluidly connected pressure chambers

 #56
20150078944
2015-03-19

Variable displacement vane pump

 #57
20150056090
2015-02-26

Variable capacity type vane pump

 #58
20140369878
2014-12-18

Gas compressor with discharge section and sub-discharge section

 #59
20140328709
2014-11-06

Hydraulic machine with vane retaining mechanism

 #60
20140301877
2014-10-09

Pump device for delivering a medium

 #61
20140286807
2014-09-25

Vane compressor having a second discharge port that includes an opening portion to a compression space

 #62
20140234150
2014-08-21

Vane pump with a vane ring, a vane ring housing chamber and vane ring opposite pressure chambers

 #63
20140030130
2014-01-30

Sliding vane pump

 #64
20130280118
2013-10-24

Vane pump

 #65
20130266466
2013-10-10

Blade-type fluid transmission device

 #66
20130251584
2013-09-26

Variable displacement pump

 #67
20130156564
2013-06-20

MULTI-DISCHARGE HYDRAULIC VANE PUMP

 #68
20130129547
2013-05-23

Rotary engine exhaust apparatus and method of operation therefor

 #69
20130052071
2013-02-28

Vane pump

 #70
20120275945
2012-11-01

Vane pump

 #71
20120269670
2012-10-25

Stop mechanism for vane compressor

 #72
20120260691
2012-10-18

Multi-cylinder rotary compressor and refrigeration cycle apparatus

 #73
20120224986
2012-09-06

Rotary vane compressor

 #74
20120087820
2012-04-12

ROTARY DEVICE

 #75
20120045355
2012-02-23

Variable displacement oil pump

 #76
20110223041
2011-09-15

Pump

 #77
20110211985
2011-09-01

Pump having a flow guide device between at least one pressure plate and a housing

 #78
20110200473
2011-08-18

Rotary engine lip-seal apparatus and method of operation therefor

 #79
20110176949
2011-07-21

Rotary compressor with enhanced sealing between mode switching device and chamber thereof

 #80
20110176947
2011-07-21

Rotary engine vane cap apparatus and method of operation therefor

 #81
20110171054
2011-07-14

Rotary device

 #82
20110171051
2011-07-14

Rotary engine swing vane apparatus and method of operation therefor

 #83
20110168127
2011-07-14

Rotary engine vane wing apparatus and method of operation therefor

 #84
20110165010
2011-07-07

VANE PUMP

 #85
20110165007
2011-07-07

Rotary engine vane head method and apparatus

 #86
20110158837
2011-06-30

Rotary engine vane apparatus and method of operation therefor

 #87
20110155096
2011-06-30

Rotary engine valving apparatus and method of operation therefor

 #88
20110155095
2011-06-30

Rotary engine flow conduit apparatus and method of operation therefor

 #89
20110150684
2011-06-23

Variable displacement vane pump

 #90
20110142702
2011-06-16

Rotary engine vane conduits apparatus and method of operation therefor

 #91
20110138848
2011-06-16

Variable capacity type rotary compressor, cooling apparatus having the same, and method for driving the same

 #92
20110135529
2011-06-09

Rotary compressor with improved connection

 #93
20110123361
2011-05-26

Variable capacity type rotary compressor

 #94
20110097231
2011-04-28

Variable displacement vane pump

 #95
20100329917
2010-12-30

Vane pump containing a back pressure introduction passage

 #96
20100319392
2010-12-23

Capacity varying type rotary compressor and refrigeration system having the same

 #97
20100296956
2010-11-25

VARIABLE DISPLACEMENT PUMPS AND VANE PUMP CONTROL SYSTEMS

 #98
20100166588
2010-07-01

Vane pump with rotating cam ring and increased under vane pressure

 #99
20100092324
2010-04-15

Variable capacity rotary compressor

 #100
20100028181
2010-02-04

Vane pump for pumping hydraulic fluid

 #101
20100011807
2010-01-21

Capacity modulation compressor and air conditioning system having the same

 #102
20090291010
2009-11-26

Vane pump with housing end wall having an annular groove and a pressure groove that communicate via a curved connecting groove

 #103
20090280021
2009-11-12

Hydraulic machine with vane retaining mechanism

 #104
20090238710
2009-09-24

Multicylindrical rotary compressor, compression system, and freezing device using the compression system

 #105
20090238707
2009-09-24

VANE PUMP

 #106
20090229302
2009-09-17

Multi stage rotary expander and refrigeration cycle apparatus with the same

 #107
20090155112
2009-06-18

Capacity-variable rotary compressor

 #108
20090041606
2009-02-12

VANE COMPRESSOR

 #109
20080310988
2008-12-18

Vane pump

 #110
20080298993
2008-12-04

Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same

 #111
20080292485
2008-11-27

Multistage compression type rotary compressor

 #112
20080286137
2008-11-20

Multistage compression type rotary compressor

 #113
20080253913
2008-10-16

Vane pump

 #114
20080219874
2008-09-11

Variable displacement vane pump

 #115
20080206082
2008-08-28

Closed compressor and refrigerating cycle apparatus

 #116
20080206071
2008-08-28

Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same

 #117
20080199338
2008-08-21

Multistage compression type rotary compressor

 #118
20080199325
2008-08-21

Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same

 #119
20080199316
2008-08-21

ROTOR BLADE STRUCTURE FOR A PNEUMATIC DEVICE

 #120
20080193314
2008-08-14

Rotary compressor defining gaps of different sizes

 #121
20080193310
2008-08-14

Capacity varying type rotary compressor and refrigeration system having the same

 #122
20080075615
2008-03-27

Power steering pump

 #123
20080056913
2008-03-06

Capacity varying type rotary compressor

 #124
20080031764
2008-02-07

Compressor having back pressure vane controlled for improving oil distribution

 #125
20080031756
2008-02-07

Capacity variable type twin rotary compressor and driving method thereof

 #126
20070243093
2007-10-18

Compressor

 #127
20070243079
2007-10-18

Variable capacity rotary compressor and method of varying capacity thereof

 #128
20070212247
2007-09-13

Method of generation of surgeless flow of the working fluid and a device for its implementation

 #129
20070154329
2007-07-05

Refrigeration cycle system

 #130
20070140881
2007-06-21

Multistage compression type rotary compressor

 #131
20070059195
2007-03-15

Rotary piston pump end pressure regulation system

 #132
20060245961
2006-11-02

ROTARY COMPRESSOR WITH PERMANENT MAGNET MOTOR

 #133
20060204377
2006-09-14

Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method

 #134
20060159566
2006-07-20

Multi-stage rotary compressor

 #135
20060140802
2006-06-29

Multicylindrical rotary compressor, compression system, and freezing device using the compression system

 #136
20060133946
2006-06-22

Hydraulic machine

 #137
20060067850
2006-03-30

Compressor having pressure controlled for improving oil distribution

 #138
20060056983
2006-03-16

Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method

 #139
20060056982
2006-03-16

Multistage compression type rotary compressor

 #140
20060056981
2006-03-16

Filtering device for multistage compression type rotary compressor

 #141
20060039816
2006-02-23

Variable displacement vane pump with pressure balanced vane

 #142
20060008374
2006-01-12

Vane-type rotary apparatus with split vanes

 #143
20060008360
2006-01-12

Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same

 #144
20050254984
2005-11-17

Shared slot vane pump

 #145
20050254968
2005-11-17

Impeller pump with reciprocating vane and non-circular rotor

 #146
20050214153
2005-09-29

Rotary vane pump

 #147
20050214152
2005-09-29

Rotary vane pump

 #148
20050214137
2005-09-29

Multicylinder rotary compressor and compressing system and refrigerating unit provided with same

 #149
20050207916
2005-09-22

Sliding vane pump

 #150
20050129528
2005-06-16

Variable displacement vane pump with variable target regulator

 #151
20050106041
2005-05-19

Compressor

 #152
20050047938
2005-03-03

Variable displacement pump with a suction area groove for pushing out rotor vanes

 #153
20050036897
2005-02-17

Rotary vane pump seal

 #154
20050019174
2005-01-27

Variable displacement pump with communication passage

 #155
20050013718
2005-01-20

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

 #156
20050008520
2005-01-13

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

 #157
20050008518
2005-01-13

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

 #158
20050008508
2005-01-13

Vane pump having a pressure compensating valve

 #159
20050008442
2005-01-13

Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit

 #160
14669284
2018-10-30

Vane heat engine