Patents-Review.com
ClassID:

136718 ⎘

F01C21/04 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in groups  -  Lubrication

Sub-classes:
Recent Application in this class:
#1
20250277452
2025-09-04

ROTARY ENGINE LUBRICATION SYSTEM

 #2
20250102067
2025-03-27

METHODS AND SYSTEMS FOR SEALING ROTATING EQUIPMENT SUCH AS EXPANDERS OR COMPRESSORS

 #3
20240352934
2024-10-24

GEAR PUMP AND ITS USE

 #4
20230243261
2023-08-03

External combustion rotary engine

 #5
20230060653
2023-03-02

Scroll compressor including hub lubricant passage

 #6
20220127998
2022-04-28

SINGLE CHAMBER MULTIPLE INDEPENDENT CONTOUR ROTARY MACHINE

 #7
20220056802
2022-02-24

Rotary engine, parts thereof, and methods

 #8
20210355898
2021-11-18

Rotary engine lubrication system using intensifier injector

 #9
20210231033
2021-07-29

Rotary internal combustion engine with seal lubrication

 #10
20210222555
2021-07-22

Expander and fluid circulation system comprising same

 #11
20210047929
2021-02-18

Vane motor

 #12
20210003011
2021-01-07

Rotary engine

 #13
20200157985
2020-05-21

Method of apex seal lubrication for a rotary internal combustion engine

 #14
20200109709
2020-04-09

VARIABLE DISPLACEMENT OIL PUMP

 #15
20200063560
2020-02-27

Sealing member

 #16
20200025204
2020-01-23

Orbiting scroll device lubrication

 #17
20200011426
2020-01-09

Methods and systems for sealing rotating equipment such as expanders or compressors

 #18
20190301361
2019-10-03

FUEL-AIR INJECTION ROTARY ENGINE

 #19
20190226395
2019-07-25

Single chamber multiple independent contour rotary machine

 #20
20190195071
2019-06-27

Rotary piston and cylinder with the rotor including a formation and bearing arrangement

 #21
20180355722
2018-12-13

Scroll fluid machine having injection holes through which lubricant is injected to the orbiting bearing

 #22
20180347363
2018-12-06

Circle ellipse engine

 #23
20180320520
2018-11-08

APPARATUS, SYSTEMS AND METHODS FOR LUBRICATION OF FLUID DISPLACEMENT MACHINES

 #24
20180283175
2018-10-04

Rotary engine with oil pump

 #25
20180223698
2018-08-09

Thermal energy recovery device

 #26
20180216461
2018-08-02

Scroll-type fluid machine and maintenance method for same

 #27
20180066520
2018-03-08

Rotary engine with intake and exhaust through rotor shaft

 #28
20170362974
2017-12-21

Rotary internal combustion engine with seal lubrication

 #29
20170096933
2017-04-06

Hybrid cycle combustion engine and methods

 #30
20170074099
2017-03-16

Multi-vane impeller device

 #31
20170044899
2017-02-16

Motor/engine with rotating pistons

 #32
20160341042
2016-11-24

Rotary engine with cam-guided rotor

 #33
20160290172
2016-10-06

High-pressure side separation of liquid lubricant for lubricating volumetrically working expansion machines

 #34
20160146352
2016-05-26

Methods and systems for sealing rotating equipment such as expanders or compressors

 #35
20160138590
2016-05-19

Gerotor apparatus having outer gerotor with strengthening members

 #36
20160061037
2016-03-03

Rotor assembly for rotary internal combustion engine

 #37
20160047381
2016-02-18

Compressor with trailing and leading edges of oil discharge passage displaced behind trailing and leading edges of oil supply hole

 #38
20150337724
2015-11-26

Plural blade rotary engine

 #39
20150240639
2015-08-27

APPARATUS, SYSTEMS AND METHODS FOR LUBRICATION OF FLUID DISPLACEMENT MACHINES

 #40
20150016952
2015-01-15

Gas pressure reduction generator

 #41
20150007793
2015-01-08

Hybrid cycle combustion engine and methods

 #42
20140356208
2014-12-04

Expander

 #43
20140308147
2014-10-16

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

 #44
20140199200
2014-07-17

EXPANDER CIRCUIT

 #45
20140109864
2014-04-24

Hybrid internal combustion engine (variants thereof)

 #46
20140060056
2014-03-06

Rotational Engine

 #47
20140050560
2014-02-20

Lubrication of volumetrically operating expansion machines

 #48
20140003988
2014-01-02

Seal assembly for a heat engine

 #49
20130149179
2013-06-13

Scroll fluid machine having a communication hole connecting an oil supply port with a first bearing to open towards a fixed scroll and being on a radially outer side of an orbiting end plate

 #50
20130133613
2013-05-30

Rotary engine with rotating pistons and cylinders

 #51
20130071281
2013-03-21

Compressor, engine or pump with a piston translating along a circular path

 #52
20120312009
2012-12-13

EXPANDER LUBRICATION IN VAPOUR POWER SYSTEMS

 #53
20120294747
2012-11-22

Cycloid rotor engine

 #54
20120288390
2012-11-15

Compressor, engine or pump with a piston translating along a circular path

 #55
20120169049
2012-07-05

Gas pressure reduction generator

 #56
20110302954
2011-12-15

Rotary-type fluid machine and refrigeration cycle apparatus

 #57
20110293457
2011-12-01

PNEUMATIC VANE MOTOR

 #58
20110262289
2011-10-27

Vane air motor with prevention of leaking radial bearing grease

 #59
20110200476
2011-08-18

Sealing system for gerotor apparatus

 #60
20100269617
2010-10-28

METHOD OF PRODUCING A POLYMER COATING

 #61
20100266435
2010-10-21

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

 #62
20100213786
2010-08-26

Electric machine having rotor and stator configurations

 #63
20100162750
2010-07-01

Expander-compressor unit and refrigeration cycle apparatus having the same

 #64
20100028187
2010-02-04

SUPPLEMENT LUBRICANT FREE PNEUMATIC MOTOR

 #65
20100024765
2010-02-04

Rotary piston internal combustion engine

 #66
20100014999
2010-01-21

Scroll-type expansion machine

 #67
20100003152
2010-01-07

Gerotor apparatus for a quasi-isothermal brayton cycle engine

 #68
20090297382
2009-12-03

Expander and expander-compressor unit

 #69
20090297381
2009-12-03

Anti-self rotation mechanism of a scroll fluid machine

 #70
20090191082
2009-07-30

Screw compressor

 #71
20090188253
2009-07-30

Expander lubrication in vapour power systems

 #72
20090155111
2009-06-18

Rotary-type fluid machine and refrigeration cycle apparatus

 #73
20090139262
2009-06-04

Expander-compressor unit

 #74
20080202486
2008-08-28

Hybrid cycle combustion engine and methods

 #75
20080041056
2008-02-21

EXTERNAL HEAT ENGINE OF THE ROTARY VANE TYPE AND COMPRESSOR/EXPANDER

 #76
20060279155
2006-12-14

Electric machine having a high-torque switched reluctance motor

 #77
20060239849
2006-10-26

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

 #78
20050220649
2005-10-06

Lubrication features for a scroll fluid machine

 #79
20050193975
2005-09-08

Rotary engine

 #80
20050186103
2005-08-25

Rotary combustion engine with device for conveying lubricating oil

 #81
20050031479
2005-02-10

Rotary fluid machine

 #82
20050025653
2005-02-03

Rotary fluid machine

 #83
19285832
2026-05-12

Self-cooled rotary engine and pump

 #84
18132155
2024-05-07

Rotor for a rotary engine