ClassID:

143597

F04C18/322 - CPC Classification

Classification description:

Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups , , , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in group and relative reciprocation between the co-operating members with vanes hinged to the outer member and reciprocating with respect to the outer member

Recent Application in this class:
#1
20250320872
2025-10-16

COMPRESSOR, AIR CONDITIONING SYSTEM AND AIR CONDITIONER

#2
20250043787
2025-02-06

METHOD USING REFRIGERANT FOR COMPRESSOR, COMPRESSOR, AND REFRIGERATION CYCLE APPARATUS

#3
20230250821
2023-08-10

Moving part, compressor, and manufacturing method thereof

#4
20220307505
2022-09-29

Compressor having sliding portion provided with oil retainer

#5
20220178372
2022-06-09

Rotary compressor with backflow suppresion mechanism for an introduction path

#6
20220082094
2022-03-17

Pump body assembly, compressor and air conditioner

#7
20220049701
2022-02-17

Air conditioner and compressor

#8
20210140689
2021-05-13

Compressor and refrigeration cycle device

#9
20210095671
2021-04-01

Muffler for a compression mechanism of a rotary compressor

#10
20190085845
2019-03-21

Oscillating piston-type compressor

#11
20190078568
2019-03-14

ROLLER UNIT AND ROTARY COMPRESSOR

#12
20180202446
2018-07-19

Compression mechanism for a compressor

#13
20170218954
2017-08-03

Sliding member for a compressor

#14
20160305429
2016-10-20

Rotary compressor and compression unit thereof, and air conditioner

#15
20160252094
2016-09-01

Compressor

#16
20160201668
2016-07-14

Concentric rotary fluid machine

#17
20160108916
2016-04-21

Rotor with a resin layer that has circular or spiral grooves

#18
20150322949
2015-11-12

Rotary compressor having an oil groove in an inner peripheral surface of a bearing

#19
20150275896
2015-10-01

Abutment rotary pump with repelling magnets

#20
20150240816
2015-08-27

Intermittent coupling oiling

#21
20150240815
2015-08-27

Rotary compressor

#22
20140294639
2014-10-02

Rotary compressor

#23
20140234147
2014-08-21

Compressor with pressure reduction groove formed in eccentric part

#24
20140219845
2014-08-07

Rotary systems lubricated by fluid being processed

#25
20130280116
2013-10-24

Compressor with sliding member resin layer

#26
20120189482
2012-07-26

Compressor and manufacturing method thereof

#27
20120171067
2012-07-05

Hermetic compressor and manufacturing method thereof

#28
20120171066
2012-07-05

Compressor

#29
20120171065
2012-07-05

Compressor

#30
20120171064
2012-07-05

Compressor in which a shaft center of a suction pipe is disposed to not correspond to a shaft center of a refrigerant suction passage of a stationary shaft and an upper end of the stationary shaft protrudes higher than a bottom of an accumulator chamber

#31
20120171060
2012-07-05

Compressor

#32
20120156067
2012-06-21

Compressor

#33
20120141312
2012-06-07

Compressor

#34
20120134864
2012-05-31

Compressor having an inlet port formed to overlap with a roller and a cylinder-type rotor for compressing a refrigerant

#35
20120128516
2012-05-24

Compressor

#36
20120128511
2012-05-24

Compressor

#37
20120087819
2012-04-12

Rotary compressor

#38
20110243779
2011-10-06

Airtight compressor

#39
20110179822
2011-07-28

REFRIGERATING APPARATUS

#40
20110129370
2011-06-02

Compressor

#41
20110126579
2011-06-02

Compressor having first and second rotary member arrangement using a vane

#42
20110123381
2011-05-26

Compressor

#43
20110123366
2011-05-26

Compressor

#44
20110120178
2011-05-26

Compressor having first and second rotary member arrangement using a vane

#45
20110120174
2011-05-26

COMPRESSOR

#46
20110058970
2011-03-10

ROTARY COMPRESSOR AND METHOD

#47
20110023535
2011-02-03

REFRIGERATION APPARATUS

#48
20100322809
2010-12-23

Fluid machinery having annular back pressure space communicating with oil passage

#49
20100322793
2010-12-23

Motor having insulator provided with protrusions for lead wires to be twisted

#50
20100319394
2010-12-23

Compressor and refrigeration apparatus

#51
20100226796
2010-09-09

Rotary compressor

#52
20100196185
2010-08-05

Enclosed compressor

#53
20100166577
2010-07-01

Hermetic compressor with spot joining portions fixing a motor stator to a cylindrical portion of a casing where a clearance is secured therebetween

#54
20100143172
2010-06-10

Multistage compressor for a CO2 cycle that includes a rotary compressing mechanism and a scroll compressing mechanism

#55
20100111737
2010-05-06

Compressor

#56
20100096940
2010-04-22

Compressor motor and compressor

#57
20100092322
2010-04-15

Rotary fluid machine with reverse moment generating mechanism

#58
20100074774
2010-03-25

COMPRESSOR

#59
20100074769
2010-03-25

Fluid machine

#60
20090285702
2009-11-19

COMPRESSOR

#61
20090278416
2009-11-12

Motor and compressor

#62
20090238705
2009-09-24

Rotary compressor having main bearing integrally formed with cylinder or piston serving as fixed side

#63
20090232679
2009-09-17

Compressor having compression element welded to closed container at three or more welding points and suction tube neither parallel nor perpendicular to a straight line connecting any two of the welding points

#64
20090148325
2009-06-11

Rotary type compressor

#65
20090068046
2009-03-12

Compressor and manufacturing method thereof

#66
20090013714
2009-01-15

Refrigeration system

#67
20080240961
2008-10-02

Compressor having a small-width portion and a large-width portion in an inner circumferential sliding surface of a swinging roller

#68
20080113538
2008-05-15

Compressor with discharge valve arrangement

#69
20080101976
2008-05-01

Rotary compressor with reduced refrigeration gas leaks during compression while preventing seizure

#70
20080066478
2008-03-20

Compressor and air conditioner

#71
20070251245
2007-11-01

Refrigeration apparatus with expander control for improved coefficient of performance

#72
20070065324
2007-03-22

Rotary compressor with low pressure space surrounding outer peripheral face of compression mechanism and discharge passage passing through housing

#73
20070053782
2007-03-08

Rotary type expander and fluid machinery

#74
20060188382
2006-08-24

Compressor

#75
20060153723
2006-07-13

Rotary fluid machine

#76
20060120894
2006-06-08

Hermetic compressor

#77
20050008519
2005-01-13

Rotary compressor