ClassID:

143563

F04C18/0292 - 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 Ports or channels located in the wrap

Recent Application in this class:
#1
20260028991
2026-01-29

SCROLL FOR SCROLL COMPRESSOR AND SCROLL COMPRESSOR

#2
20240401592
2024-12-05

COMPRESSOR AND A DYNAMIC VORTEX DISK THEREOF

#3
20240301880
2024-09-12

SCROLL COMPRESSOR

#4
20240151227
2024-05-09

Scroll compressor

#5
20240084803
2024-03-14

Electric compressor bearing oil communication aperture

#6
20240018960
2024-01-18

Scroll pump with fluid recirculation valve

#7
20230358230
2023-11-09

Scroll compressor

#8
20230349381
2023-11-02

Fixed scroll and scroll compressor

#9
20230204033
2023-06-29

Scroll structure and compressor with back pressure plate and floating plate

#10
20230160386
2023-05-25

Compression mechanism and scroll compressor

#11
20230074153
2023-03-09

Scroll compressor of an electrical refrigerant drive and electrical refrigerant drive

#12
20220412356
2022-12-29

Air injection enthalpy-increasing scroll compressor and refrigeration system

#13
20220381242
2022-12-01

Scroll compressor

#14
20220364564
2022-11-17

Scroll compressor having enhanced discharge structure

#15
20210381507
2021-12-09

Scroll compressor having cooling pipe moving synchronously with orbiting scroll and rotating with respect to crankshaft

#16
20210324856
2021-10-21

Compressor having oil feeding channels

#17
20200340477
2020-10-29

Compressor having lubrication structure for thrust surface

#18
20200284256
2020-09-10

Scroll compressor having noise reduction structure

#19
20200224658
2020-07-16

Scroll compressor having single discharge port open at starting end of fixed-side wrap

#20
20200149530
2020-05-14

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

#21
20200088199
2020-03-19

Compressor having centrifugation and differential pressure structure for oil supplying

#22
20200088194
2020-03-19

Scroll compressor having communication groove

#23
20200049147
2020-02-13

Air injection enthalpy-increasing scroll compressor and refrigeration system

#24
20190360490
2019-11-28

Scroll compressor having enhanced discharge structure

#25
20190219055
2019-07-18

Scroll compressor having a capacity variable device

#26
20190211820
2019-07-11

Scroll-type machine

#27
20190203709
2019-07-04

MOTOR-OPERATED COMPRESSOR

#28
20190136857
2019-05-09

Scroll compressor

#29
20190041107
2019-02-07

Compressor assembly with directed suction

#30
20190041106
2019-02-07

Compressor assembly with directed suction

#31
20180372100
2018-12-27

Scroll compressor and air conditioner having the same

#32
20180372099
2018-12-27

Scroll compressor having communication groove in orbiting end plate

#33
20180372098
2018-12-27

Compressor having lubrication structure for thrust surface

#34
20180363655
2018-12-20

Compressor having centrifugation and differential pressure structure for oil supplying

#35
20180363649
2018-12-20

Scroll compressor having sub-discharge port with involute-shaped opening

#36
20180340536
2018-11-29

Compressor with oil management system

#37
20180335036
2018-11-22

Scroll compressor with oil management system

#38
20180258933
2018-09-13

Positive-displacement machine according to the spiral principle, method for operating a positive-displacement machine, positive-displacement spiral, vehicle air-conditioning system and vehicle

#39
20180128270
2018-05-10

Scroll compressor and refrigeration cycle apparatus

#40
20180073507
2018-03-15

Scroll compressor

#41
20180073506
2018-03-15

Scroll compressor

#42
20180073505
2018-03-15

Scroll compressor

#43
20170335847
2017-11-23

Scroll compressor having injection ports provided in outer circumferential surface between opening ends of communication paths and inlet ports for injecting liquid refrigerant in direction toward the inlet ports

#44
20170268510
2017-09-21

Compressor valve system and assembly

#45
20170241417
2017-08-24

Scroll compressor

#46
20170146265
2017-05-25

Compressor and refrigeration cycle device using same

#47
20170138641
2017-05-18

Compressor and refrigeration cycle device using same

#48
20170074265
2017-03-16

Scroll fluid machine having tip seal member separated into different portions

#49
20170045049
2017-02-16

Compressor

#50
20160363121
2016-12-15

Scroll compressor

#51
20160298885
2016-10-13

Compressor assembly with directed suction

#52
20160238007
2016-08-18

Scroll member and scroll-type fluid machine

#53
20160201678
2016-07-14

Scroll compressor

#54
20160169228
2016-06-16

Scroll compressor having capacity varying valves

#55
20160108915
2016-04-21

Scroll compressor

#56
20150233375
2015-08-20

Scroll compressor

#57
20150139844
2015-05-21

Scroll compressor with oil management system

#58
20150044082
2015-02-12

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

#59
20140134030
2014-05-15

Compressor valve system and assembly

#60
20130121865
2013-05-16

Scroll compressor including communication hole with improved back pressure chamber and back pressure hole locations

#61
20130081425
2013-04-04

Scroll compressor and air conditioner including the same

#62
20130081424
2013-04-04

SCROLL COMPRESSOR AND AIR CONDITIONER INCLUDING THE SAME

#63
20130071278
2013-03-21

Scroll compressor having oil hole

#64
20130071277
2013-03-21

SCROLL COMPRESSOR

#65
20120201707
2012-08-09

Scroll compressor with three discharge valves, and discharge pressure tap to back pressure chamber

#66
20110243777
2011-10-06

Scroll compressor with passage in the spiral wrap

#67
20060266076
2006-11-30

Indentation to optimize vapor injection through ports extending through scroll wrap