ClassID:

136681

F01C19/005 - CPC Classification

Classification description:

Sealing arrangements in rotary-piston machines or engines Structure and composition of sealing elements such as sealing strips, sealing rings and the like; Coating of these elements

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

Combined Sealing Piece, Volumetric Machine and Wide Fuel Engine

#2
20250075622
2025-03-06

FRETTING RESISTANT ROTARY ENGINE HOUSINGS

#3
20240318611
2024-09-26

ROTARY ENGINE WITH SEAL HAVING ELASTOMERIC MEMBER AND SHIELD

#4
20230304497
2023-09-28

Roots pump containing rotors that capture and discharge a foreign substance

#5
20230258183
2023-08-17

Eccentric sliding assembly with a plurality of dynamic pressure generation mechanisms

#6
20230250722
2023-08-10

Rotary combustion engine block sealing

#7
20230184251
2023-06-15

Scroll pump with a plurality of bellows sealing a plurality of adjustment members

#8
20230123953
2023-04-20

Compressor having floating seal assembly

#9
20230033204
2023-02-02

DRY VACUUM PUMP

#10
20230003220
2023-01-05

MEDICAL FLUID PUMP HAVING AN ENERGY STORAGE COMPARTMENT

#11
20220389930
2022-12-08

Multi-stage pump apparatus including sealing member

#12
20220186728
2022-06-16

Electric pump

#13
20220145884
2022-05-12

Rotary pump with axial compensation, outlet gasket for a pump and pre-fitted pump unit

#14
20220136505
2022-05-05

Sealing system for a rotary-piston compressor

#15
20220034322
2022-02-03

Sealing structure and scroll air compressor having same

#16
20210404466
2021-12-30

Pump comprising an axially acting spring gasket

#17
20210396226
2021-12-23

Rotary pump with axial compensation, outlet gasket for a pump and pre-fitted pump unit

#18
20210340982
2021-11-04

Compressor having floating seal assembly

#19
20210254619
2021-08-19

Rotary pump with axial compensation, outlet gasket for a pump and pre-fitted pump unit

#20
20210071666
2021-03-11

Electric compressor capable of fixing a shaft seal

#21
20200392845
2020-12-17

Spherical energy converter

#22
20200340478
2020-10-29

Vane pump with improved seal assembly for control chamber

#23
20190353162
2019-11-21

Tip seal for scroll compressor

#24
20190323504
2019-10-24

Polymeric composite insert component for a scroll compressor

#25
20190219055
2019-07-18

Scroll compressor having a capacity variable device

#26
20190048721
2019-02-14

SCROLL PUMP TIP SEALING

#27
20180372097
2018-12-27

Pump comprising a spring

#28
20180320686
2018-11-08

Gear pump device for rubber extrusion

#29
20180292008
2018-10-11

Sealing structure for airtight container and vehicle refrigerant compressor provided with said structure

#30
20180202437
2018-07-19

Gear pump with gear having interspersed vanes

#31
20180172004
2018-06-21

Scroll compressor sealing

#32
20180128106
2018-05-10

Multiple axis rotary engine

#33
20180066520
2018-03-08

Rotary engine with intake and exhaust through rotor shaft

#34
20180023570
2018-01-25

Scroll compressor having stable back pressure chamber with sealing members

#35
20170350250
2017-12-07

FREE ROTARY FLUID MACHINE

#36
20170342837
2017-11-30

Scroll fluid machine

#37
20170260979
2017-09-14

Seal arrangement for a switchable vane cell pump of cartridge design

#38
20170074265
2017-03-16

Scroll fluid machine having tip seal member separated into different portions

#39
20170022812
2017-01-26

Rotor of a rotary cylinder

#40
20170009582
2017-01-12

Rotary engine seals

#41
20160341042
2016-11-24

Rotary engine with cam-guided rotor

#42
20160305428
2016-10-20

Pump comprising a spring

#43
20160305427
2016-10-20

Pump including a spring fastened to positioning elements

#44
20160238007
2016-08-18

Scroll member and scroll-type fluid machine

#45
20160194959
2016-07-07

Rotary engine vane drive method and apparatus

#46
20160160859
2016-06-09

Sealing member, scroll compressor including a sealing member and method for manufacturing a sealing member for a scroll compressor

#47
20160061200
2016-03-03

Screw pump with vapor barrier

#48
20160040668
2016-02-11

Shaft seal for an open-drive compressor

#49
20150337835
2015-11-26

Pump

#50
20150322945
2015-11-12

Rotary fluid machine

#51
20150316056
2015-11-05

Scroll compressor having a back pressure plate and a gasket coupled to a fixed scroll plate by at least one coupling member

#52
20150240808
2015-08-27

Variable displacement vane pump

#53
20150211516
2015-07-30

Floating scroll seal with retaining ring

#54
20150152865
2015-06-04

Compact structure of gear pump designed to minimize loss of pumping torque

#55
20150110610
2015-04-23

Supercharger assembly with rotor end face seal and method of manufacturing a supercharger assembly

#56
20150097339
2015-04-09

Sealing arrangement, a conveying device having a sealing arrangement and a method for operating the sealing arrangement

#57
20150017049
2015-01-15

Oil pump

#58
20150017046
2015-01-15

Rotary compressor having gate axially movable with respect to rotor

#59
20140341768
2014-11-20

Sealing device for a cam ring of a variable displacement pump

#60
20140294649
2014-10-02

Sealing for a pump device

#61
20140286806
2014-09-25

Multi-stage vacuum pump

#62
20140248172
2014-09-04

Scroll compressor including a sealing member

#63
20140159313
2014-06-12

Automatic compensation mechanism for hinge seal gap in spherical compressor

#64
20140134035
2014-05-15

Trochoidal rotary device

#65
20140069367
2014-03-13

Dual tip seals for a rotary engine

#66
20140065002
2014-03-06

Positive displacement pump with improved sealing arrangement and related method of making

#67
20140023541
2014-01-23

Injection molded seals for compressors

#68
20140017062
2014-01-16

Vacuum pump with longitudinal and annular seals

#69
20140003988
2014-01-02

Seal assembly for a heat engine

#70
20130319222
2013-12-05

Sealing element for a rotary piston machine

#71
20130272907
2013-10-17

Electric compressor

#72
20130251575
2013-09-26

Floating scroll seal with retaining ring

#73
20130209306
2013-08-15

Rotary positive displacement machine

#74
20130136644
2013-05-30

Oil pump for vehicle

#75
20130133765
2013-05-30

Fuel pump assembly

#76
20130108484
2013-05-02

UREA SOLUTION PUMP STRUCTURE

#77
20130071279
2013-03-21

Scroll-Type Fluid Machine

#78
20130064601
2013-03-14

FRICTION BONDING STRUCTURE AND PUMP DEVICE

#79
20130028777
2013-01-31

Gas seal arrangement for rotary internal combustion engine

#80
20130028775
2013-01-31

Apex seal arrangement for rotary internal combustion engine

#81
20130028774
2013-01-31

Rotary internal combustion engine with phasing gear

#82
20130028771
2013-01-31

Oil seal arrangement for rotary internal combustion engine

#83
20130028730
2013-01-31

COMPRESSOR

#84
20130011278
2013-01-10

Sealing grommet for connection between terminal housing and interior of sealed compressor

#85
20120308424
2012-12-06

SEALING DEVICE, AND PUMP DEVICE USING SAME

#86
20120308378
2012-12-06

Fluid machine provided with hermetic container that is subjected to pressure of working fluid

#87
20120294747
2012-11-22

Cycloid rotor engine

#88
20120258001
2012-10-11

Progressing cavity pump/motor

#89
20120257961
2012-10-11

Multistage vacuum pump

#90
20120230857
2012-09-13

Water injection type screw fluid machine

#91
20120219446
2012-08-30

Input shaft assembly for gear pump

#92
20120219445
2012-08-30

Seal retaining sleeve for gear pump

#93
20120219444
2012-08-30

Input shaft lubrication for gear pump

#94
20120213657
2012-08-23

FLUID PUMP MECHANICAL SEAL

#95
20120207639
2012-08-16

Rotary compressor having gate axially movable with respect to rotor

#96
20120164015
2012-06-28

Water injection type screw fluid machine

#97
20120141311
2012-06-07

Scroll pump

#98
20120134863
2012-05-31

Scroll pump having pockets formed in an axial end face of a scroll wall

#99
20120099986
2012-04-26

LIQUID SEAL, SHAFT SEAL APPARATUS AND PUMP APPARATUS USING THE SAME

#100
20120039734
2012-02-16

Rotor drive mechanism and pump apparatus including the same

#101
20120034122
2012-02-09

Pump with a resilient seal

#102
20120003105
2012-01-05

Dry vacuum pump having multiple lubricant reservoirs

#103
20110286871
2011-11-24

Scroll compressor having tip seals of different lengths having different thickness or widths

#104
20110256003
2011-10-20

DRY VACUUM PUMP

#105
20110204572
2011-08-25

Seal assembly and method

#106
20110156356
2011-06-30

Seal member

#107
20110135528
2011-06-09

Oil-free screw compressor

#108
20110076174
2011-03-31

Screw compression apparatus

#109
20110070116
2011-03-24

Scroll fluid machine having seal member with plural linear cut arrangement

#110
20100247362
2010-09-30

Gear Pump

#111
20100196184
2010-08-05

Scroll compressor with back pressure pocket receiving discharge pressure fluid

#112
20100178189
2010-07-15

ROTARY EXPANDING OR COMPRESSING MECHANISM PROVIDED IN FLUID CHANNEL WITH BLADES FOR TRAVERSING SHAFT

#113
20100172780
2010-07-08

Scroll compressor for preventing performance deterioration and variation due to gas leakage

#114
20100086427
2010-04-08

Scroll compressor having spiral bodies with seal projections

#115
20100060074
2010-03-11

Rotary pump and brake device in which rotary pump is provided

#116
20100034685
2010-02-11

Seal for a rotary vane pump

#117
20100028188
2010-02-04

Low speed, high torque rotary abutment motor

#118
20090311105
2009-12-17

Rotary meter flexible edge impeller assembly

#119
20090257898
2009-10-15

Rotary pump or motor with orbital piston aspiration

#120
20090223480
2009-09-10

Internal combustion engine

#121
20090081064
2009-03-26

Rotary compressor having gate axially movable with respect to rotor

#122
20090081063
2009-03-26

Rotary fluid-displacement assembly

#123
20090074601
2009-03-19

Metal face seal assembly and machine using same

#124
20090050080
2009-02-26

HYDROGEN PEROXIDE-FUELED ROTARY EXPANSION ENGINE

#125
20080289926
2008-11-27

Seal assembly for reducing fluid loss from transmission pump

#126
20080206083
2008-08-28

Seal system and scroll type fluid machine

#127
20080136113
2008-06-12

Rotary device with reciprocating vanes and seals therefor

#128
20080075614
2008-03-27

Sealing device of fluid machinery

#129
20080050258
2008-02-28

Orbital engine

#130
20070217935
2007-09-20

Positive-displacement fluid machine

#131
20070189913
2007-08-16

Rotary engine with improved seal assembly

#132
20070148027
2007-06-28

Rotary pump provided with an axially movable blade

#133
20060090465
2006-05-04

Rotary positive displacement machine with orbiting piston

#134
20050025633
2005-02-03

Rotating fluid machine

#135
20050000214
2005-01-06

Rotary positive displacement machine

#136
18354077
2024-11-26

Fretting resistant rotary engine housings

#137
18221645
2024-10-08

Seal assembly for a rotary engine housing

#138
16723421
2022-10-04

Sealing configurations for marine engines having a supercharger and charge air cooler