ClassID:

143650

F04C27/00 - CPC Classification

Classification description:

Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids

Sub-classes:
Recent Application in this class:
#1
20260153086
2026-06-04

CO-ROTATING SCROLL COMPRESSOR

#2
20260126042
2026-05-07

SCROLL COMPRESSOR

#3
20250361935
2025-11-27

SEALING GASKET

#4
20250354553
2025-11-20

SCROLL COMPRESSOR

#5
20250327447
2025-10-23

SCROLL COMPRESSOR

#6
20250012278
2025-01-09

SCREW COMPRESSOR AND FREEZER

#7
20240426300
2024-12-26

NON-LUBRICATED COMPRESSOR WITH ABRADABLE SEALING ELEMENT AND RELATED METHOD FOR ASSEMBLING IT

#8
20240392785
2024-11-28

Screw Compressor

#9
20240247655
2024-07-25

MODULAR STATOR FOR PROGRESSIVE CAVITY DEVICES

#10
20240229794
2024-07-11

DRY-COMPRESSION COMPRESSOR AND METHOD FOR OIL SEPARATION FOR A DRY-COMPRESSION COMPRESSOR

#11
20240209857
2024-06-27

PUMP AND METHOD OF MANUFACTURING A SEALING

#12
20230258185
2023-08-17

Scroll electric compressor

#13
20230113626
2023-04-13

Scroll compressor for compressing a refrigerant and method for oil enrichment and distribution

#14
20220389930
2022-12-08

Multi-stage pump apparatus including sealing member

#15
20220186728
2022-06-16

Electric pump

#16
20220136508
2022-05-05

Scroll compressor having sealed-oil interception structure

#17
20220074413
2022-03-10

Non-lubricated system with abradable sealing element, corresponding sealing element and method for assembling the system

#18
20220034322
2022-02-03

Sealing structure and scroll air compressor having same

#19
20220034321
2022-02-03

Dry dual-scroll vacuum pump

#20
20220003117
2022-01-06

Rotary Piston Machine and Method for Producing a Seal in a Rotary Piston Machine

#21
20210262470
2021-08-26

Scroll compressor including silencer device containing silencing holes

#22
20210140689
2021-05-13

Compressor and refrigeration cycle device

#23
20210088044
2021-03-25

Driving structure of three-axis multi-stage roots pump

#24
20210071669
2021-03-11

Scroll type device having liquid cooling through idler shafts

#25
20210071666
2021-03-11

Electric compressor capable of fixing a shaft seal

#26
20200340476
2020-10-29

Scroll compressor

#27
20200240414
2020-07-30

Pump cooling systems

#28
20200166032
2020-05-28

Rotary compressor for enhancing efficiency and suppressing vibration

#29
20200063735
2020-02-27

CO-ROTATING SCROLL COMPRESSOR

#30
20200003208
2020-01-02

Adaptive self-sealing microfluidic gear pump

#31
20190376518
2019-12-12

Housing Seal Structure And Fluid Machine Having Same

#32
20190301462
2019-10-03

Scroll compressor

#33
20190277284
2019-09-12

Dual-vane scroll compressor with capacity modulation

#34
20190271314
2019-09-05

Rotary compressor and assembly method thereof

#35
20190120230
2019-04-25

Scroll fluid machine having a different mesh clearance between the fixed and orbiting scroll wraps

#36
20190120229
2019-04-25

Scroll fluid machine and method for producing same

#37
20190107109
2019-04-11

Oil-free screw compressor

#38
20190063434
2019-02-28

Component-replaceable water ring vacuum pump

#39
20180363705
2018-12-20

Bearing arrangement for a mutually turnable unit working under high pressure

#40
20180363652
2018-12-20

Method of controlling the temperature and mass flow of a liquid injected into the bearings and compressor space of a compressor using two separated liquid supplies

#41
20180163726
2018-06-14

Scroll type device having liquid cooling through idler shafts

#42
20170350398
2017-12-07

Intermediate discharge port for a compressor

#43
20170350391
2017-12-07

GAS COMPRESSOR

#44
20170306959
2017-10-26

Oil-free screw compressor having atmosphere open hole formed in casing and communication hole formed in shaft seal device

#45
20170306951
2017-10-26

SCROLL COMPRESSOR AND REFRIGERATION CYCLE APPARATUS USING THE SAME

#46
20170276136
2017-09-28

FLUID MACHINE

#47
20170268509
2017-09-21

Vane Pump Assembly

#48
20160153348
2016-06-02

Fixed-rail rotor pump and fixed-rail rotor pump combined supercharging internal-combustion engine

#49
20150345498
2015-12-03

Vacuum pump for a motor vehicle

#50
20150292504
2015-10-15

INDUCED HOLLOW SPIRAL DRIVING APPARATUS

#51
20140369880
2014-12-18

Compressor

#52
20140369819
2014-12-18

Method for manufacturing anti-rotation ring of scroll type compressor and anti-rotation mechanism of the scroll type compressor

#53
20140134035
2014-05-15

Trochoidal rotary device

#54
20130315769
2013-11-28

Scroll fluid machine

#55
20100278677
2010-11-04

Screw compressor having a gate rotor assembly with pressure introduction channels

#56
20100215533
2010-08-26

Scroll type compressor including a suction pipe having iron portion and copper portion

#57
20100158737
2010-06-24

Screw compressor

#58
20090155101
2009-06-18

Motor-driven compressor

#59
20080124236
2008-05-29

Scroll-Type Apparatus

#60
20060188382
2006-08-24

Compressor

#61
20060140806
2006-06-29

Scroll fluid machine

#62
20060120894
2006-06-08

Hermetic compressor

#63
20060099096
2006-05-11

Scroll pump system

#64
20060051225
2006-03-09

Scroll pump and method of assembling same

#65
20050129558
2005-06-16

Electric compressor and assembling method thereof

#66
20050123415
2005-06-09

Fluid machine

#67
20050079084
2005-04-14

Rotary pistons