Patents-Review.com
ClassID:

143657 ⎘

F04C27/007 - CPC Classification

Classification description:

Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids Sealings for working fluid between radially and axially moving parts

Recent Application in this class:
#1
20240141897
2024-05-02

Axially flexible compressor

 #2
20230392596
2023-12-07

Scroll compressor with improved sealing performance of back pressure chamber

 #3
20210372400
2021-12-02

Compressor with compliant seal

 #4
20210156382
2021-05-27

Tip seal and scroll fluid machine using same

 #5
20200347726
2020-11-05

Sealing arrangement

 #6
20200132073
2020-04-30

Air conditioner having compressor including curved suction port and a plurality of exhaust ports

 #7
20180017055
2018-01-18

Scroll compressor with different chamfered corners

 #8
20170292519
2017-10-12

Compressor having sound isolation feature

 #9
20170292518
2017-10-12

Compressor having sound isolation feature

 #10
20150152868
2015-06-04

Compressor having sound isolation feature

 #11
20150071805
2015-03-12

Rotor pump and rotary machinery comprising the same, the rotor pump including a pump body forming an accommodation cavity, a pump wheel rotating in the accommodation cavity and a sealing plate having an eccentric hole that is eccentric relative to a rotation axis of the pump wheel, where a shaft portion of the pump wheel is rotatably fitted in the eccentric hole

 #12
20140294648
2014-10-02

Apparatus for sealing a pump chamber of a rotary lobe pump, and a rotary lobe pump having said apparatus

 #13
20140170009
2014-06-19

Scroll Liquid Pump

 #14
20140044582
2014-02-13

Scroll compressor having adjustable spacers

 #15
20120177523
2012-07-12

Scroll compressor having back pressure chamber that operatively contains a discharge pressure and an intermediate pressure during different periods of time within a single compression cycle

 #16
20110256010
2011-10-20

Scroll compressor having an allowable angle of rotation

 #17
20110194965
2011-08-11

Lubrication of a scroll compressor

 #18
20110165009
2011-07-07

GATE ROTOR AND SCREW COMPRESSOR

 #19
20100284848
2010-11-11

Screw compressor with adjacent helical grooves selectively opening to first and second ports

 #20
20100278678
2010-11-04

SCREW COMPRESSOR

 #21
20100278677
2010-11-04

Screw compressor having a gate rotor assembly with pressure introduction channels

 #22
20100260639
2010-10-14

Screw compressor including a single screw rotor with first and second screw groove being bilaterally symmetric

 #23
20100233002
2010-09-16

Scroll compressor having adjustable spacers

 #24
20100092318
2010-04-15

Scroll compressor having a gradually changing tip clearance

 #25
20100021329
2010-01-28

Scroll compressor having an allowable angle of rotation

 #26
20090185930
2009-07-23

Scroll compressor with housing shell location

 #27
20090098001
2009-04-16

Sealing tabs on orbiting scroll

 #28
20080304994
2008-12-11

Scroll Fluid Machine

 #29
18744217
2025-05-27

Gear pump with suction housing element providing a tight seal between suction and high-pressure chamber to increase pump efficiency and method of providing tight seal