ClassID:

136735

F01C21/106 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in groups  - ; Outer members for co-operation with rotary pistons; Casings; Stators; Members defining the outer boundaries of the working chamber with a radial surface, e.g. cam rings

Recent Application in this class:
#1
20240280099
2024-08-22

Sealing In Helical Trochoidal Rotary Machines

#2
20240110480
2024-04-04

Method for Producing a Housing, and Shell Housing and Housing for a Rotary Piston Engine

#3
20230392501
2023-12-07

Multi-chamber configuration for hydraulic vane device

#4
20230358228
2023-11-09

Rotary vane pump

#5
20230098259
2023-03-30

Sealing in helical trochoidal rotary machines

#6
20220034323
2022-02-03

Pumping assembly, compressor and air conditioning equipment

#7
20210404465
2021-12-30

Multi-chamber impeller pump

#8
20210396231
2021-12-23

ROTARY-VANE MECHANISM FOR ENGINES AND COMPRESSORS

#9
20210324854
2021-10-21

PUMP APPARATUS

#10
20210301818
2021-09-30

Rotary compressor

#11
20210199011
2021-07-01

Helical trochoidal rotary machines

#12
20210189880
2021-06-24

Helical trochoidal rotary machines with offset

#13
20210180597
2021-06-17

Vane compressor with elastic member protruding into the cylinder

#14
20210108634
2021-04-15

Vane cell pump

#15
20210102464
2021-04-08

Hybrid core progressive cavity pump

#16
20210095664
2021-04-01

Cartridge vane pump and pump device

#17
20210062655
2021-03-04

Rotary machine

#18
20210025392
2021-01-28

Sealing in helical trochoidal rotary machines

#19
20200158011
2020-05-21

Rotary internal combustion engine with removable subchamber insert

#20
20200123971
2020-04-23

Compound engine system with rotary engine

#21
20200109709
2020-04-09

VARIABLE DISPLACEMENT OIL PUMP

#22
20190351451
2019-11-21

Method of lining an inner surface of a tubular and system for doing same

#23
20190219144
2019-07-18

Cam liner for integrated drive generator

#24
20190195221
2019-06-27

HYBRID METAL-PLASTIC PARTS AND PROCESS FOR MANUFACTURING THE SAME

#25
20190145410
2019-05-16

Pump sleeve for integrated drive generator

#26
20190055882
2019-02-21

Rotary internal combustion engine with pilot subchamber

#27
20190003307
2019-01-03

Internal combustion engine with rotor having offset peripheral surface

#28
20180347363
2018-12-06

Circle ellipse engine

#29
20180291740
2018-10-11

Rotary machine with pressure relief mechanism

#30
20180252211
2018-09-06

Pump housing for an eccentric screw pump and an eccentric screw pump equipped therewith

#31
20180230803
2018-08-16

Vane pump and determining method for inner profile of cam ring composing thereof

#32
20180187680
2018-07-05

Hermetic compressor with cylinder having elliptical inner circumferential surface, roller, and at least one vane

#33
20180187593
2018-07-05

Rotary internal combustion engine with pilot subchamber

#34
20180080371
2018-03-22

Rotary internal combustion engine with pilot subchamber

#35
20180076690
2018-03-15

Electricity generator and methods for generating electricity

#36
20180073364
2018-03-15

Prime mover assembly having fixed center member between rotating members

#37
20180066520
2018-03-08

Rotary engine with intake and exhaust through rotor shaft

#38
20180045110
2018-02-15

Rotary internal combustion engine

#39
20170335844
2017-11-23

Gerotor pump having an inner gear, a rotor, and an outer gear, with inclined lubrication surface on teeth of face wall of rotor adjacent to pressure kidney and suction kidney

#40
20170335762
2017-11-23

Compound engine system with rotary engine

#41
20170328365
2017-11-16

Variable displacement oil pump

#42
20170328274
2017-11-16

Internal combustion engine with split pilot injection

#43
20170189936
2017-07-06

Method of lining an inner surface of a tubular and system for doing same

#44
20170159439
2017-06-08

Eccentrically piloted hydraulic commutator

#45
20170138197
2017-05-18

Vane cell machine having a pressure piece which delimits two pressure chambers

#46
20170074160
2017-03-16

Rotary internal combustion engine with variable volumetric compression ratio

#47
20170067395
2017-03-09

Rotary internal combustion engine with pilot subchamber

#48
20170044899
2017-02-16

Motor/engine with rotating pistons

#49
20160341042
2016-11-24

Rotary engine with cam-guided rotor

#50
20160290222
2016-10-06

Improved-efficiency rotary engine with moveable baffle

#51
20160251961
2016-09-01

Rotary internal combustion engine, gas compressor, and liquid pump

#52
20160230757
2016-08-11

Vane cell machine

#53
20160201668
2016-07-14

Concentric rotary fluid machine

#54
20160201463
2016-07-14

FLUID DEVICE OUTPUT SHAFT WITH COATING

#55
20160194960
2016-07-07

Rotary motor with geared transmission for use of compressible media drive

#56
20160138398
2016-05-19

Hydraulic vane-type machine

#57
20160084252
2016-03-24

Negative pressure pump and cylinder head cover

#58
20160017711
2016-01-21

Progressive cavity pump/motor stator including framework elements and grooves defining chambers

#59
20150300174
2015-10-22

Unitary pump and turbine energy exchanger

#60
20150240710
2015-08-27

Rotary internal combustion engine with pilot subchamber

#61
20150233286
2015-08-20

Compound engine system with rotary engine

#62
20150147216
2015-05-28

Gas compressor

#63
20150147213
2015-05-28

Gas compressor

#64
20150075483
2015-03-19

Rotary internal combustion engine with exhaust purge

#65
20150071804
2015-03-12

Variable flow hydraulic machine

#66
20150064042
2015-03-05

Gas compressor having an asymmetric cylinder chamber

#67
20150034041
2015-02-05

Internal combustion rotary engine

#68
20150030492
2015-01-29

Rotary machine

#69
20150017050
2015-01-15

Rotary vane motor with split vane

#70
20150017049
2015-01-15

Oil pump

#71
20140261290
2014-09-18

Rotary internal combustion engine, gas compressor, and liquid pump

#72
20140224207
2014-08-14

Rotary internal combustion engine with variable volumetric compression ratio

#73
20140170010
2014-06-19

Vane rotary compressor having a hinge-coupled vane

#74
20140140880
2014-05-22

Rotary fluid machine operable as a motor or a pump

#75
20140119969
2014-05-01

Vane pump

#76
20140109864
2014-04-24

Hybrid internal combustion engine (variants thereof)

#77
20140037487
2014-02-06

Gerotor device roller pocket geometry

#78
20130202472
2013-08-08

Oval chamber vane pump

#79
20130183182
2013-07-18

Stator of a gerotor device and a method for manufacturing roller pockets in a stator of a gerotor device

#80
20130183171
2013-07-18

Rotary cam ring fluid machine

#81
20130084202
2013-04-04

Vane rotary compressor

#82
20130034460
2013-02-07

Variable Displacement Vane Pump

#83
20130028778
2013-01-31

Stator of a gerotor device and a method for manufacturing roller pockets in a stator of a gerotor device

#84
20130028772
2013-01-31

Compound engine system with rotary engine

#85
20130028768
2013-01-31

Rotary internal combustion engine with exhaust purge

#86
20130025567
2013-01-31

Rotary internal combustion engine with pilot subchamber

#87
20130025566
2013-01-31

Rotary internal combustion engine with variable volumetric compression ratio

#88
20120294747
2012-11-22

Cycloid rotor engine

#89
20120240885
2012-09-27

Structurally efficient cooled engine housing for rotary engines

#90
20120237370
2012-09-20

ENGINE HAVING ROTARY PISTONS

#91
20120213654
2012-08-23

Adjustable vane cell pump with a slide comprising recesses

#92
20120164018
2012-06-28

Metering pump with special-shaped cavity

#93
20120156077
2012-06-21

CAM LINER PROFILE

#94
20120124996
2012-05-24

Dual-inlet supercharger for EGR flow control

#95
20110293460
2011-12-01

VANE PUMP INLET WINDOW SHAPE

#96
20110158841
2011-06-30

Screw Pump with Anti-Turbulent Structure

#97
20110131980
2011-06-09

Dual-inlet supercharger for EGR flow control

#98
20100319654
2010-12-23

ROTARY VANE ENGINES AND METHODS

#99
20100154402
2010-06-24

Flow rate control device of hydraulic pump in power steering system

#100
20100043481
2010-02-25

Two-stage rotary expander, expander-compressor unit, and refrigeration cycle apparatus

#101
20100008809
2010-01-14

Pumping unit with reinforcing ribs

#102
20090114046
2009-05-07

Iron-base sintered part, manufacturing method of iron-base sintered part and actuator

#103
20090016918
2009-01-15

Pneumatic vane motor with by-pass means

#104
20080245127
2008-10-09

Method of forming a rotary device

#105
20080240935
2008-10-02

Balanced variable displacement vane pump with floating face seals and biased vane seals

#106
20080210194
2008-09-04

Orbiting Piston Machines

#107
20080206086
2008-08-28

Slide valve

#108
20080175723
2008-07-24

Vacuum pump with wear adjustment

#109
20080175722
2008-07-24

VACUUM PUMP WITH WEAR ADJUSTMENT

#110
20070240419
2007-10-18

Piston Free Stirling Cycle Engine

#111
20070128065
2007-06-07

Pump

#112
20070089701
2007-04-26

Rotary piston machine with an oval rotary piston

#113
20070003422
2007-01-04

Unit for delivering fuel to an internal combustion engine

#114
20060228246
2006-10-12

Vacuum pump

#115
20060150948
2006-07-13

Rotary internal combustion engine

#116
20060124101
2006-06-15

Rotary vane engine and thermodynamic cycle

#117
20060075989
2006-04-13

High efficiency hot gas vane actuator

#118
20060073034
2006-04-06

Compressor

#119
20060032475
2006-02-16

Rotary piston machine with an oval rotary piston guided in an oval chamber

#120
20050207916
2005-09-22

Sliding vane pump

#121
20050175493
2005-08-11

Rotary piston machines comprising a displaceable inner housing

#122
20050069445
2005-03-31

Horizontal type compressor and automobile air conditioner equipped with the same

#123
20050047937
2005-03-03

Vane pump and fuel vapor leakage check module having the same

#124
20050045143
2005-03-03

Rotary internal combustion engine

#125
20050042126
2005-02-24

Vane type rotary machine

#126
20050032602
2005-02-10

Lubrication pump for inter-axle differential

#127
20050017053
2005-01-27

Rotary machine housing with radially mounted sliding vanes

#128
20050008519
2005-01-13

Rotary compressor

#129
15295985
2017-06-13

Radial piston rotary device with compact gear drive mechanism