Patents-Review.com
ClassID:

143560 ⎘

F04C18/0269 - CPC Classification

Classification description:

Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form; Details concerning the involute wraps or their base, e.g. geometry Details concerning the involute wraps

Sub-classes:
Recent Application in this class:
#1
20250172143
2025-05-29

SCROLL COMPONENT OF COMPRESSION MECHANISM, COMPRESSION MECHANISM, AND SCROLL COMPRESSOR

 #2
20250067263
2025-02-27

COMPRESSOR

 #3
20240318654
2024-09-26

SCROLL COMPRESSOR

 #4
20240060492
2024-02-22

Scroll machine and refrigeration system

 #5
20240044334
2024-02-08

Scroll compressor with circular surface terminations

 #6
20230417246
2023-12-28

Static scroll applied in scroll compressor and scroll compressor

 #7
20230358232
2023-11-09

Scroll compressor

 #8
20230358230
2023-11-09

Scroll compressor

 #9
20230107523
2023-04-06

Scroll compressor with a thin section in the orbiting volute wall

 #10
20230100611
2023-03-30

SCROLL COMPRESSOR WITH RECESSES AND PROTRUSIONS

 #11
20230088110
2023-03-23

SCROLL COMPRESSOR WITH RECESSES AND PROTRUSIONS

 #12
20230069695
2023-03-02

Scroll compressor with inclined wall surface extending from the dust wrap

 #13
20220364564
2022-11-17

Scroll compressor having enhanced discharge structure

 #14
20220364560
2022-11-17

Scroll compressor

 #15
20220356879
2022-11-10

Scroll compressor with circular surface terminations

 #16
20220299028
2022-09-22

Scroll compressor including a fixed-side first region receiving a force which presses a movable scroll against a moveable scroll against a fixed scroll

 #17
20220282731
2022-09-08

SCROLL COMPRESSOR WITH RECESSES AND PROTRUSIONS

 #18
20220268278
2022-08-25

COMPRESSOR AND REFRIGERATION DEVICE

 #19
20220154718
2022-05-19

Scroll compressor

 #20
20220136501
2022-05-05

Scroll compressor

 #21
20220106959
2022-04-07

Compressor for high efficiency heat pump system

 #22
20220025885
2022-01-27

Scroll compressor

 #23
20210156382
2021-05-27

Tip seal and scroll fluid machine using same

 #24
20210148360
2021-05-20

Oil-free scroll air compressor with double parallel grooves on both sides

 #25
20210131430
2021-05-06

Compressor for high efficiency heat pump system

 #26
20210108637
2021-04-15

Scroll compressor having an arcuate portion side surface clearance larger than a spiral portion side surface clearance

 #27
20210071663
2021-03-11

Motor operated compressor

 #28
20210033092
2021-02-04

Scroll compressor

 #29
20200400144
2020-12-24

Scroll compressor containing scroll self-rotation prevention arrangement

 #30
20200340477
2020-10-29

Compressor having lubrication structure for thrust surface

 #31
20200309131
2020-10-01

Scroll fluid machine and tip seal

 #32
20200309128
2020-10-01

Scroll compressor

 #33
20200291943
2020-09-17

Climate-control system having valve assembly

 #34
20200217321
2020-07-09

Thermal and sound optimized lattice-cored additive manufactured compressor components

 #35
20200182244
2020-06-11

Scroll compressor with non-uniform gap

 #36
20200149530
2020-05-14

Scroll type micro-compressor, and method for machining fixed scroll plate and orbit scroll plate thereof

 #37
20200102957
2020-04-02

Scroll compressor with wrap having gradually decreasing thickness

 #38
20200102956
2020-04-02

MOTOR OPERATED COMPRESSOR

 #39
20200095994
2020-03-26

Scroll compressor having wrap with reinforcing portion

 #40
20200095993
2020-03-26

Scroll fluid machine with decreasing inter-facing surface and arc shape end plate central portion

 #41
20200088194
2020-03-19

Scroll compressor having communication groove

 #42
20200056610
2020-02-20

Scroll compressor with different sized gaps formed between inner and outer peripheral surfaces of scroll laps

 #43
20200049146
2020-02-13

Scroll compressor

 #44
20200032803
2020-01-30

Compressor with a muffler

 #45
20200032798
2020-01-30

MOTOR-OPERATED COMPRESSOR

 #46
20200032797
2020-01-30

Fluid compressor having discharge port and valve

 #47
20190360490
2019-11-28

Scroll compressor having enhanced discharge structure

 #48
20190353162
2019-11-21

Tip seal for scroll compressor

 #49
20190301463
2019-10-03

Scroll compressor with circular surface terminations

 #50
20190301462
2019-10-03

Scroll compressor

 #51
20190301460
2019-10-03

Scroll compressor

 #52
20190162184
2019-05-30

Co-rotating scroll compressor and method for designing the same

 #53
20190120230
2019-04-25

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

 #54
20190072092
2019-03-07

Scroll compressor with improved scroll curves

 #55
20190063432
2019-02-28

Scroll compressor having a central main discharge port and an auxiliary discharge port

 #56
20190032659
2019-01-31

Scroll compressor and air conditioning apparatus including the same

 #57
20180372099
2018-12-27

Scroll compressor having communication groove in orbiting end plate

 #58
20180372098
2018-12-27

Compressor having lubrication structure for thrust surface

 #59
20180335031
2018-11-22

Scroll compressor for a vehicle air-conditioning system having spiral wall including conical cut

 #60
20180238327
2018-08-23

Scroll compressor with recesses and protrusions

 #61
20180230998
2018-08-16

Removable hydropad for an orbiting scroll

 #62
20180216498
2018-08-02

Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycle

 #63
20180202441
2018-07-19

Scroll fluid machine with concave and convex portions in the spiral laps

 #64
20180202440
2018-07-19

Scroll compressor having check valve and passage that communicates a discharge port with a discharge space when the check valve is closed

 #65
20180142687
2018-05-24

Scroll compressor with different materials and thickness of scroll laps

 #66
20180045199
2018-02-15

Scroll compressor with step

 #67
20180023570
2018-01-25

Scroll compressor having stable back pressure chamber with sealing members

 #68
20180023516
2018-01-25

Natural gas fueled vehicle

 #69
20170362962
2017-12-21

Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump or combined organic rankine and heat pump cycle

 #70
20170342981
2017-11-30

Scroll compressor having compression chamber communicating with discharge port via a gap between recessed part formed on front face of movable-side plate and tip of fixed-side lap

 #71
20170342837
2017-11-30

Scroll fluid machine

 #72
20170306963
2017-10-26

Scroll compressor having scroll with oil dimples

 #73
20170306956
2017-10-26

Scroll compressor with coated sliding surface

 #74
20170306955
2017-10-26

Scroll compressor having wrap with an offset portion

 #75
20170306954
2017-10-26

Scroll compressor having wrap with reinforcing portion

 #76
20170306953
2017-10-26

Scroll compressor with wrap having gradually decreasing thickness

 #77
20170239785
2017-08-24

Method and device for manufacturing compressor scrolls, compressor scroll, and scroll compressor

 #78
20170167486
2017-06-15

SCROLL TYPE FLUID MACHINE, METHOD AND DEVICE FOR FORMING ELASTIC COATING THEREON

 #79
20170159658
2017-06-08

Scroll compressor with controlled pressing force

 #80
20170146265
2017-05-25

Compressor and refrigeration cycle device using same

 #81
20170138641
2017-05-18

Compressor and refrigeration cycle device using same

 #82
20170097002
2017-04-06

Fluid compressor having discharge valve and valve retainer

 #83
20170051744
2017-02-23

Three stage scroll vacuum pump

 #84
20160369799
2016-12-22

SEPARATOR PLATE WITH INLET CURVE

 #85
20160341200
2016-11-24

Scroll compressor

 #86
20160341198
2016-11-24

COMPRESSORS INCLUDING POLYMERIC COMPONENTS

 #87
20160230759
2016-08-11

Scroll-type fluid machine

 #88
20160222965
2016-08-04

Scroll-type compressor

 #89
20160208800
2016-07-21

Scroll compressor

 #90
20160201670
2016-07-14

Angular synchronization of stationary and orbiting plate scroll blades in a scroll pump using a metallic bellows

 #91
20160160646
2016-06-09

Scroll type fluid machine with a rotation stopping mechanism

 #92
20160146206
2016-05-26

Scroll compressor

 #93
20160131134
2016-05-12

Scroll compressor having a scroll wrap with tiered inner end

 #94
20160108915
2016-04-21

Scroll compressor

 #95
20160102667
2016-04-14

Scroll compressor having a fixed scroll pressed in an axial direction against an orbiting scroll

 #96
20160102665
2016-04-14

Scroll compressor

 #97
20160090986
2016-03-31

Scroll compressor

 #98
20160084250
2016-03-24

Scroll compressor in which a fixed scroll and an orbiting scroll are placed between a partition plate and a main bearing

 #99
20160069219
2016-03-10

Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycle

 #100
20160053759
2016-02-25

Scroll compressor with recesses and protrusions

 #101
20160003247
2016-01-07

Scroll Compressor

 #102
20150369246
2015-12-24

Scroll compressor

 #103
20150369244
2015-12-24

Scroll compressor

 #104
20150337838
2015-11-26

Scroll compressor

 #105
20150322947
2015-11-12

Scroll-Type Fluid Machine

 #106
20150233375
2015-08-20

Scroll compressor

 #107
20150204330
2015-07-23

Scroll compressor

 #108
20150192125
2015-07-09

Switchable single-start or multi-start scroll pump

 #109
20150167672
2015-06-18

SCROLL COMPRESSOR

 #110
20150152863
2015-06-04

Scroll type fluid machine

 #111
20150044082
2015-02-12

Horizontal type scroll compressor having discharge guide between a main scroll and a motor housing

 #112
20150037189
2015-02-05

Scroll compressor reducing over-compression loss

 #113
20150004040
2015-01-01

Injection port and orbiting-side wrap for a scroll compressor

 #114
20140363325
2014-12-11

Scroll compressor with an arcuate and a logarithmic spiral sections

 #115
20140348680
2014-11-27

Scroll compressor

 #116
20140234148
2014-08-21

Scroll compressor with intermittent communication between back pressure chamber and compression chambers

 #117
20130302518
2013-11-14

Method for forming coating on scroll type fluid machine

 #118
20130219950
2013-08-29

Scroll compressor and air conditioner

 #119
20130115123
2013-05-09

Scroll compressor

 #120
20130078130
2013-03-28

SCROLL COMPRESSOR

 #121
20130078129
2013-03-28

SCROLL COMPRESSOR

 #122
20130071278
2013-03-21

Scroll compressor having oil hole

 #123
20130071277
2013-03-21

SCROLL COMPRESSOR

 #124
20130036762
2013-02-14

Scroll type device including compressor and expander functions in a single scroll plate pair

 #125
20120288394
2012-11-15

Scroll compressor

 #126
20120263615
2012-10-18

Scroll Fluidic Device

 #127
20120230855
2012-09-13

Scroll compressor

 #128
20120045357
2012-02-23

HIGH EFFIEIENCY SCROLL COMPRESSOR WITH SPIRAL COMPRESSOR BLADES OF UNEQUAL THICKNESS

 #129
20110256007
2011-10-20

Three stage scroll vacuum pump

 #130
20110187179
2011-08-04

Wheel bearing unit

 #131
20110103991
2011-05-05

Scroll fluid machine

 #132
20110027116
2011-02-03

Positive displacement machine according to the spiral principle

 #133
20100296957
2010-11-25

Scroll fluid machine with a pin shaft and groove for restricting rotation

 #134
20100202910
2010-08-12

Compression mechanism and scroll compressor including the same

 #135
20100111739
2010-05-06

Scroll member, method of manufacturing same, compression mechanism and scroll compressor

 #136
20100111738
2010-05-06

Scroll member, method of manufacturing same, compression mechanism and scroll compressor

 #137
20100047101
2010-02-25

Scroll compressor with extended profile

 #138
20100024467
2010-02-04

SCROLL COMPRESSOR AND AIR CONDITIONER

 #139
20090028724
2009-01-29

Self-modulated scroll compressor with optimized built-in volume ratio

 #140
20090022613
2009-01-22

Asynchronous non-constant-pitch spiral scroll-type fluid displacement machine

 #141
20080273998
2008-11-06

Fluid machine

 #142
20080145253
2008-06-19

Scroll fluid machine with a pin shaft and groove for restricting rotation

 #143
20070212246
2007-09-13

Scroll compressor having variable height scroll

 #144
20070104603
2007-05-10

Scroll and manufacture method therefor

 #145
20070036668
2007-02-15

Scroll compressor discharge port improvements

 #146
20060269432
2006-11-30

Recesses for pressure equalization in a scroll compressor

 #147
20060228244
2006-10-12

Scroll compressor with multiple isolated inlet ports

 #148
20060222546
2006-10-05

Fixed scroll of scroll compressor

 #149
20060210415
2006-09-21

Scroll compressor

 #150
20060182645
2006-08-17

Scroll-type fluid machine

 #151
20060159580
2006-07-20

Scroll compressor and method for machining scroll wrap

 #152
20050287028
2005-12-29

Multi-stage scroll fluid machine having a set a seal elements between compression sections

 #153
20050152793
2005-07-14

Scroll compressor with wrap walls provided with an abradable coating and a load-bearing surface at radially outer locations

 #154
20050089431
2005-04-28

Guide device for the movable scroll of a scroll compressor