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ClassID:

143613 ⎘

F04C18/356 - 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 the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member

Sub-classes:
Recent Application in this class:
#1
20260078758
2026-03-19

OIL SEPARATOR FOR COMPRESSOR AND COMPRESSOR WITH OIL SEPARATOR

 #2
20250314253
2025-10-09

COMPRESSOR AND REFRIGERATION CYCLE APPARATUS

 #3
20250250980
2025-08-07

ROTARY RADIAL VANE COMPRESSOR

 #4
20250223966
2025-07-10

ROTARY COMPRESSOR AND REFRIGERATION CYCLE APPARATUS

 #5
20250043783
2025-02-06

COMPRESSOR AND AIR CONDITIONER

 #6
20240418170
2024-12-19

COMPRESSOR AND AIR CONDITIONER

 #7
20240344518
2024-10-17

Rotary compressor

 #8
20240328420
2024-10-03

Rotary compressor

 #9
20240263631
2024-08-08

COMPRESSOR UNIT AND REFRIGERATION APPARATUS

 #10
20240200556
2024-06-20

Compressor with chromium nitride and titanium nitride layers

 #11
20240167476
2024-05-23

Rotary compressor

 #12
20240151231
2024-05-09

Rotary compressor

 #13
20240102473
2024-03-28

COMPRESSOR

 #14
20240011491
2024-01-11

COMPRESSOR INCLUDING REFRIGERANT INTRODUCTION TUBE

 #15
20230235670
2023-07-27

Accumulator fixing device for compressor and compressor having the same

 #16
20230160387
2023-05-25

Pump body assembly, compressor and air conditioner

 #17
20230120434
2023-04-20

Rotary compressor

 #18
20230117903
2023-04-20

Rotary compressor with an oil groove facing the vane and exposed to a gap between the vane and the piston

 #19
20230080650
2023-03-16

Two-cylinder rotary compressor with mufflers

 #20
20220307498
2022-09-29

Compressor with a fitted shaft portion having two sliding surfaces and an oil retainer

 #21
20220299029
2022-09-22

Rotary compressor having reciprocator and support

 #22
20220186731
2022-06-16

Rotary compressor with first and second main suction ports

 #23
20220186730
2022-06-16

Variable-frequency compressor with adaptive heating power control and method for operating the same

 #24
20220112898
2022-04-14

Baffle plate for compressor, compressor, and refrigeration apparatus

 #25
20220099080
2022-03-31

Compressor and air conditioner

 #26
20220049701
2022-02-17

Air conditioner and compressor

 #27
20220034320
2022-02-03

Dual-cylinder two-stage variable cpacity compressor

 #28
20220025887
2022-01-27

Variable capacity compressor

 #29
20220010796
2022-01-13

Rotary compressor and refrigeration cycle device

 #30
20210340981
2021-11-04

Multistage compression system

 #31
20210340977
2021-11-04

Variable capacity compressor operation mode determination method and device, variable capacity compressor, and air conditioner

 #32
20210310702
2021-10-07

Multistage compression system

 #33
20210254620
2021-08-19

Compressor

 #34
20210180597
2021-06-17

Vane compressor with elastic member protruding into the cylinder

 #35
20210164472
2021-06-03

Rotary compressor

 #36
20210140689
2021-05-13

Compressor and refrigeration cycle device

 #37
20210095670
2021-04-01

Rotary compressor

 #38
20210071665
2021-03-11

Two-stage compressor with a gas storage chamber between stages and air conditioner having same

 #39
20210025389
2021-01-28

Rotary compressor with roller oil groove

 #40
20200378386
2020-12-03

Rotary compressor having roller with dimple portion

 #41
20200370549
2020-11-26

Rotary compressor with vane slot disposed at predetermined tilting angle

 #42
20200300247
2020-09-24

COMPACT LOW NOISE ROTARY COMPRESSOR

 #43
20200291948
2020-09-17

Compressor and air conditioner

 #44
20200284258
2020-09-10

Pump body assembly, compressor and air conditioner

 #45
20200217317
2020-07-09

Compressor, air conditioner and method for assembling compressor

 #46
20200200176
2020-06-25

Rotary compressor

 #47
20200166032
2020-05-28

Rotary compressor for enhancing efficiency and suppressing vibration

 #48
20200116406
2020-04-16

Methods and systems for preventing premature compressor failure from improper operation

 #49
20190309751
2019-10-10

Cylinder, pump body assembly, compressor, and temperature adjusting device

 #50
20190271315
2019-09-05

Method for operating a rolling piston compressor

 #51
20190271314
2019-09-05

Rotary compressor and assembly method thereof

 #52
20190249664
2019-08-15

Rotating cylinder enthalpy-adding piston compressor and air conditioning system having same

 #53
20190242385
2019-08-08

Compressor and valve assembly

 #54
20190226482
2019-07-25

Compressor pump structure and compressor

 #55
20190211823
2019-07-11

Rotary compressor having reduced pressure loss of refrigerant flow

 #56
20190024662
2019-01-24

Compressor and refrigeration system having same

 #57
20180320943
2018-11-08

Methods and systems for preventing premature compressor failure from improper operation

 #58
20180291899
2018-10-11

Rotary compressor having two cylinders

 #59
20180248419
2018-08-30

Stator, motor, compressor, and refrigerating and air-conditioning apparatus

 #60
20180231000
2018-08-16

COMPRESSOR AND HEAT EXCHANGE SYSTEM

 #61
20180195505
2018-07-12

Compressor

 #62
20180156216
2018-06-07

Rotary compressor and refrigerating cycle device

 #63
20180135632
2018-05-17

Refrigerant path holes in a rotary compressor

 #64
20180106255
2018-04-19

Compressor with liquid injection cooling

 #65
20180097419
2018-04-05

Compressor for compressing refrigerant and having a motor with insulator tooth portions

 #66
20180066873
2018-03-08

Compressor and refrigeration cycle apparatus

 #67
20180066657
2018-03-08

Compressor

 #68
20180023567
2018-01-25

Rotary compressor

 #69
20180017057
2018-01-18

Rotary compressor

 #70
20180003179
2018-01-04

Electric compressor

 #71
20170350394
2017-12-07

Rotary-type compressor

 #72
20170335849
2017-11-23

CRANKSHAFT FOR ROTATORY COMPRESSOR, ROTATORY COMPRESSOR AND REFRIGERATING CYCLE DEVICE

 #73
20170335848
2017-11-23

Rotary compressor having communication path hole overlap with discharge chamber concave portion

 #74
20170314560
2017-11-02

Compressor, air conditioning system, and a method of controlling a compressor

 #75
20170306961
2017-10-26

Compressor

 #76
20170294814
2017-10-12

Permanent magnet embedded electric motor, compressor and refrigeration air conditioner

 #77
20170276135
2017-09-28

Rotary compressor

 #78
20170275996
2017-09-28

Rotary compressor with vane coupled to rolling piston

 #79
20170248353
2017-08-31

High pressure compressor and refrigerating machine having a high pressure compressor

 #80
20170248139
2017-08-31

Two-cylinder hermetic compressor

 #81
20170248138
2017-08-31

Two-cylinder hermetic compressor

 #82
20170227011
2017-08-10

Crankshaft for rotary compressor and rotary compressor having same

 #83
20170226685
2017-08-10

Rotary compressor, heat pump, and household appliance

 #84
20170198428
2017-07-13

Heat pump dryer with dual-exhaust compressor system and control method thereof

 #85
20170167487
2017-06-15

Rotary compressor having two cylinders

 #86
20170146284
2017-05-25

Heat pump compressor including liquid crystal polymer insulating material

 #87
20170130717
2017-05-11

Electric compressor and refrigeration device having same

 #88
20170130716
2017-05-11

Revolving outer body rotary vane compressor or expander

 #89
20170098970
2017-04-06

Rotor, permanent-magnet-embedded motor, and compressor

 #90
20170067468
2017-03-09

Compressor

 #91
20170051739
2017-02-23

ROTARY COMPRESSOR

 #92
20170030357
2017-02-02

Cylinder-rotation compressor with a discharge valve

 #93
20170030355
2017-02-02

Air conditioner with stacked parallel and serial compressor cylinders

 #94
20170022988
2017-01-26

Compressor and air conditioner

 #95
20160356272
2016-12-08

Compressor

 #96
20160333881
2016-11-17

Hermetic compressor having enlarged suction inlet

 #97
20160305431
2016-10-20

Compact low noise rotary compressor

 #98
20160273537
2016-09-22

Compressor and method for producing compressor

 #99
20160231038
2016-08-11

Rotatory compressor and refrigerating cycle device

 #100
20160131138
2016-05-12

Compressor with liquid injection cooling

 #101
20160018136
2016-01-21

Multiple cylinder rotary compressor and refrigeration cycle apparatus

 #102
20160003253
2016-01-07

Compressor and method for assembling a compressor

 #103
20150377237
2015-12-31

Compressor

 #104
20150318764
2015-11-05

Permanent magnet buried type electric motor and compressor

 #105
20150316059
2015-11-05

Vacuum pump having a disconnectable drive coupling

 #106
20150275896
2015-10-01

Abutment rotary pump with repelling magnets

 #107
20150275895
2015-10-01

Rotary compressor with increased heating ability and refrigerant circuit for an air conditioner

 #108
20150233376
2015-08-20

Rotary compressor with cylinder immersed in oil

 #109
20150144230
2015-05-28

Method for fabricating vane using a nodular graphite cast iron

 #110
20150078928
2015-03-19

Compressor, air conditioner system comprising the compressor and heat pump water heater system

 #111
20150052936
2015-02-26

Sealed compressor and vapor compression refrigeration cycle apparatus including the sealed compressor

 #112
20150040608
2015-02-12

Compressor and air conditioner including the same

 #113
20140363319
2014-12-11

ROTARY VANE VACUUM PUMP

 #114
20140301881
2014-10-09

Rotary compressor with oil retaining portion

 #115
20140250937
2014-09-11

Hermetic-type compressor and refrigeration cycle apparatus

 #116
20140227116
2014-08-14

Compressor

 #117
20140219833
2014-08-07

Compressor

 #118
20140105774
2014-04-17

Hermatic compressor having a fluid guide disposed in an intermediate chamber

 #119
20140096561
2014-04-10

SEALED COMPRESSOR AND REFRIGERATION CYCLE DEVICE

 #120
20140093414
2014-04-03

Rotary compressor having semicircular-step-snap enlarged diameter portion in groove portion of end plate closing end portion of cylinder

 #121
20130280117
2013-10-24

Compressor with different resin hardness layers

 #122
20130280116
2013-10-24

Compressor with sliding member resin layer

 #123
20130219952
2013-08-29

Hermetically sealed rotary compressor and refrigeration cycle device

 #124
20130213084
2013-08-22

Two-stage compression refrigeration cycle device

 #125
20130209299
2013-08-15

Compressor with liquid injection cooling

 #126
20130186130
2013-07-25

Induction motor, compressor and refrigerating cycle apparatus

 #127
20130122325
2013-05-16

Nodular graphite cast iron

 #128
20130115122
2013-05-09

Rotary compressor with vibration reduction and oil control

 #129
20130093269
2013-04-18

SWITCHED RELUCTANCE MOTOR

 #130
20130089443
2013-04-11

Compressor with snug perforated stator end-cover

 #131
20120269667
2012-10-25

HERMETIC COMPRESSOR

 #132
20120189482
2012-07-26

Compressor and manufacturing method thereof

 #133
20120189481
2012-07-26

Rotor type pump

 #134
20120159983
2012-06-28

Induction motor, compressor and refrigerating cycle apparatus

 #135
20120131949
2012-05-31

FLUID MACHINE AND REFRIGERATION CYCLE APPARATUS

 #136
20120107151
2012-05-03

Refrigerant compressor

 #137
20120068559
2012-03-22

ROTATING SHAFT SUPPORT APPARATUS AND MAGNETIC MOTOR HAVING THE SAME

 #138
20120051958
2012-03-01

Compressor with liquid injection cooling

 #139
20120014816
2012-01-19

Compressor

 #140
20120011876
2012-01-19

Discharge muffler and two-stage compressor including the same

 #141
20110286865
2011-11-24

Hermetic compressor

 #142
20110271699
2011-11-10

FREQUENCY VARIABLE COMPRESSOR AND CONTROL METHOD THEREOF

 #143
20110250082
2011-10-13

Hermetic compressor

 #144
20110214451
2011-09-08

Compressor and refrigerating machine having the same

 #145
20110211973
2011-09-01

Compressor with oil level controller

 #146
20110150683
2011-06-23

Rotary compressor

 #147
20110138831
2011-06-16

REFRIGERATION CYCLE APPARATUS

 #148
20110120165
2011-05-26

Air conditioner and compressor having power and saving modes of operation

 #149
20110081263
2011-04-07

Induction motor and hermetic compressor

 #150
20110076169
2011-03-31

ROTARY COMPRESSOR

 #151
20100326124
2010-12-30

EXPANDER-INTEGRATED COMPRESSOR AND REFRIGERATION CYCLE APPARATUS USING THE SAME

 #152
20100296959
2010-11-25

Rotary-type fluid machine

 #153
20100296950
2010-11-25

Compressor

 #154
20100269536
2010-10-28

Expander-compressor unit

 #155
20100263404
2010-10-21

Expander-compressor unit

 #156
20100233008
2010-09-16

Rotary fluid machine having outer and inner cylinder chambers with different heights

 #157
20100202909
2010-08-12

Fluid machine and refrigeration cycle apparatus

 #158
20100189584
2010-07-29

2 stage rotary compressor

 #159
20100186439
2010-07-29

Fluid machine and refrigeration cycle apparatus

 #160
20100147020
2010-06-17

Rotary compressor and refrigeration cycle equipment

 #161
20100147013
2010-06-17

Multi-cylinder rotary compressor and refrigeration cycle equipment

 #162
20100095704
2010-04-22

Injection System and Method for Refrigeration System Compressor

 #163
20100064707
2010-03-18

Multi-stage compressor

 #164
20100021321
2010-01-28

Compressor

 #165
20090180907
2009-07-16

Two-stage rotary compressor

 #166
20090068046
2009-03-12

Compressor and manufacturing method thereof

 #167
20080236184
2008-10-02

Injectable two-staged rotary compressor and heat pump system

 #168
20080236179
2008-10-02

Injection system and method for refrigeration system compressor

 #169
20080184723
2008-08-07

Multistage compressor

 #170
20080078618
2008-04-03

Orientation and gravity insensitive in-casing oil management system for fluid displacement devices, and methods related thereto

 #171
20080078192
2008-04-03

Injection system and method for refrigeration system compressor

 #172
20080044305
2008-02-21

Sealed-type rotary compressor and refrigerating cycle device

 #173
20070074534
2007-04-05

Refrigerant compressor and refrigerant cycle device including the same

 #174
20070053782
2007-03-08

Rotary type expander and fluid machinery

 #175
20060216160
2006-09-28

Fixing structure and method for fixing upper cup muffler

 #176
20060204377
2006-09-14

Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method

 #177
20060159567
2006-07-20

Hand-held vacuum pump and automated urinary drainage system using pump thereof

 #178
20060056983
2006-03-16

Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method

 #179
20060056982
2006-03-16

Multistage compression type rotary compressor

 #180
20060056981
2006-03-16

Filtering device for multistage compression type rotary compressor

 #181
20060013697
2006-01-19

Hermetic compressor

 #182
20050124203
2005-06-09

Compressor with terminal assembly having dielectric material

 #183
17654467
2022-11-29

Compressor and air conditioner