ClassID:

136686

F01C19/08 - CPC Classification

Classification description:

Sealing arrangements in rotary-piston machines or engines Axially-movable sealings for working fluids

Sub-classes:
Recent Application in this class:
#1
20250198363
2025-06-19

Combined Sealing Piece, Volumetric Machine and Wide Fuel Engine

#2
20240369061
2024-11-07

ROTARY PISTON COMPRESSOR

#3
20230250722
2023-08-10

Rotary combustion engine block sealing

#4
20230123953
2023-04-20

Compressor having floating seal assembly

#5
20220290629
2022-09-15

Air-fuel system for a circulating piston engine

#6
20220034322
2022-02-03

Sealing structure and scroll air compressor having same

#7
20210340982
2021-11-04

Compressor having floating seal assembly

#8
20200141350
2020-05-07

Air-fuel system for a circulating piston engine

#9
20200123901
2020-04-23

Six-stroke rotary-vane internal combustion engine with hermetically sealed working space

#10
20200063560
2020-02-27

Sealing member

#11
20190323502
2019-10-24

Scroll compression device having a sealing device, and scroll compressor including such a scroll compression device

#12
20190169988
2019-06-06

Stepped sealing device circumferential pumping groove

#13
20190063220
2019-02-28

Actuator bearing arrangement

#14
20180066520
2018-03-08

Rotary engine with intake and exhaust through rotor shaft

#15
20180023392
2018-01-25

Seal assembly for an epitrochoidal rotary engine

#16
20170370219
2017-12-28

Scroll fluid machine including a pair of fixed scrolls and an orbiting scroll

#17
20170009582
2017-01-12

Rotary engine seals

#18
20160341042
2016-11-24

Rotary engine with cam-guided rotor

#19
20160265526
2016-09-15

Pump apparatus and marine vessel propelling machine

#20
20160251961
2016-09-01

Rotary internal combustion engine, gas compressor, and liquid pump

#21
20160238007
2016-08-18

Scroll member and scroll-type fluid machine

#22
20160230757
2016-08-11

Vane cell machine

#23
20160194959
2016-07-07

Rotary engine vane drive method and apparatus

#24
20150315913
2015-11-05

Rotary machine

#25
20150176584
2015-06-25

Scroll pump

#26
20150167465
2015-06-18

Apex and face seals with rotary internal combustion engine

#27
20150159653
2015-06-11

Scroll pump having axially compliant spring element

#28
20150159650
2015-06-11

Scroll pump having axially compliant spring element

#29
20140377116
2014-12-25

Variable vane pump with communication groove in the cam ring

#30
20140356213
2014-12-04

Rotary machine

#31
20140261290
2014-09-18

Rotary internal combustion engine, gas compressor, and liquid pump

#32
20140248172
2014-09-04

Scroll compressor including a sealing member

#33
20130315769
2013-11-28

Scroll fluid machine

#34
20130028777
2013-01-31

Gas seal arrangement for rotary internal combustion engine

#35
20130028776
2013-01-31

Apex and face seals with rotary internal combustion engine

#36
20130028774
2013-01-31

Rotary internal combustion engine with phasing gear

#37
20130028773
2013-01-31

APEX SEAL FOR ROTARY INTERNAL COMBUSTION ENGINE

#38
20130028771
2013-01-31

Oil seal arrangement for rotary internal combustion engine

#39
20120294747
2012-11-22

Cycloid rotor engine

#40
20120160209
2012-06-28

TURBINE HAVING COOPERATING AND COUNTER-ROTATING ROTORS IN A SAME PLANE

#41
20120048230
2012-03-01

Rotary vane engines with movable rotors, and engine systems comprising same

#42
20110189043
2011-08-04

VANE PUMP

#43
20110176947
2011-07-21

Rotary engine vane cap apparatus and method of operation therefor

#44
20100213786
2010-08-26

Electric machine having rotor and stator configurations

#45
20100150762
2010-06-17

System for sealing the piston of rotary piston machines

#46
20090223480
2009-09-10

Internal combustion engine

#47
20090188460
2009-07-30

Sealing system for an oscillating-piston engine

#48
20090074601
2009-03-19

Metal face seal assembly and machine using same

#49
20080274001
2008-11-06

Rotary Expander

#50
20080206083
2008-08-28

Seal system and scroll type fluid machine

#51
20070240674
2007-10-18

Multilobe rotary motion asymetric compression/expansion engine

#52
20070125320
2007-06-07

Oil-cooled internal combustion engine with rotary piston wall

#53
20070071626
2007-03-29

SEAL IN A SCROLL FLUID MACHINE

#54
20070059195
2007-03-15

Rotary piston pump end pressure regulation system

#55
20070048163
2007-03-01

Tip seal in a scroll fluid machine

#56
20060279155
2006-12-14

Electric machine having a high-torque switched reluctance motor

#57
20060239849
2006-10-26

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#58
20060130495
2006-06-22

System and method of refrigeration

#59
20060090465
2006-05-04

Rotary positive displacement machine with orbiting piston

#60
20050186102
2005-08-25

Rotary combustion engine with an improved inner seal

#61
20050000214
2005-01-06

Rotary positive displacement machine

#62
18408876
2024-06-11

Rotary engine