ClassID:

143698

F04C29/026 - page 2 - CPC Classification

Classification description:

Component parts, details or accessories of pumps or pumping installations, not provided for in groups  - ; Lubrication ; Lubricant separation Lubricant separation

Recent Application in this class:
#301
20120027631
2012-02-02

Air compressor

#302
20120011876
2012-01-19

Discharge muffler and two-stage compressor including the same

#303
20120007455
2012-01-12

Motor rotor and compressor provided with the same

#304
20110236245
2011-09-29

Rotary compressor with improved oil retention

#305
20110211977
2011-09-01

Oil Separator Built-In Compressor

#306
20110209448
2011-09-01

OIL SEPARATOR BUILT-IN SCROLL-TYPE COMPRESSOR

#307
20110182762
2011-07-28

Screw compressor with a sound dampening device that separates lubricant

#308
20110165000
2011-07-07

Hermetic Compressor

#309
20110158840
2011-06-30

Oil recovery member, and motor mechanism and compressor using the same

#310
20110146215
2011-06-23

OIL SEPARATOR

#311
20110129378
2011-06-02

Horizontal scroll compressor

#312
20110076174
2011-03-31

Screw compression apparatus

#313
20110056379
2011-03-10

Multi-stage oil separation system including a cyclonic separation stage

#314
20110044835
2011-02-24

COMPRESSOR

#315
20100329915
2010-12-30

Scroll compressor comprising oil separating driving shaft

#316
20100314955
2010-12-16

Motor rotor and compressor equipped with the motor rotor

#317
20100307343
2010-12-09

Compressor incorporated with oil separator

#318
20100254836
2010-10-07

Oil-cooled screw compressor

#319
20100247361
2010-09-30

Compressor

#320
20100215525
2010-08-26

Sealed type rotary compressor

#321
20100215524
2010-08-26

SEALED TYPE ROTARY COMPRESSOR

#322
20100212270
2010-08-26

Oil separator with raised holes in perforated tube

#323
20100189583
2010-07-29

Dry vacuum pump including a lubricating fluid sealing device and a centrifuge element equipping such a device

#324
20100143172
2010-06-10

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

#325
20100122550
2010-05-20

Hermetic compressor and refrigeration cycle device having the same

#326
20100101270
2010-04-29

Hermetic compressor and refrigeration cycle having the same

#327
20100095702
2010-04-22

Compressor incorporated with oil separator

#328
20100092320
2010-04-15

Inlet screen and scroll compressor incorporating same

#329
20100092319
2010-04-15

Suction duct and scroll compressor incorporating same

#330
20100083690
2010-04-08

Multistage compressor having an oil separator plate

#331
20100050877
2010-03-04

Filter installation device

#332
20100034683
2010-02-11

COMPRESSOR WITH BUILT-IN OIL SEPARATOR

#333
20100021330
2010-01-28

Baffle member for scroll compressors

#334
20090324433
2009-12-31

ROTATING-SLIDE VACUUM PUMP OR COMPRESSOR OF BLOCK DESIGN HAVING A DISC-ROTOR SYNCHRONOUS MOTOR WHICH IS MOUNTED ON FLYING BEARINGS

#335
20090304539
2009-12-10

Motor-driven scroll type compressor

#336
20090293534
2009-12-03

Rotary compressor having an oil separation plate therein

#337
20090288818
2009-11-26

Passive gas separator for progressing cavity pumps

#338
20090285708
2009-11-19

Scroll compressor having partition wall in oil reservoir

#339
20090252632
2009-10-08

Device to prevent the formation of condensate in compressed gas and compressor unit equipped with such a device

#340
20090246061
2009-10-01

Gas compressor with a pressure bypass valve being formed in a compressed gas passage or an oil separation space

#341
20090246060
2009-10-01

Compressor

#342
20090238704
2009-09-24

Scroll compressor with improved oil separation from refrigerant gas

#343
20090238703
2009-09-24

Scroll compressor with discharge guide

#344
20090191081
2009-07-30

Scroll compressor improved in function of oil circulation and back pressure control

#345
20090185938
2009-07-23

Water-lubricated compressor

#346
20090185928
2009-07-23

Scroll compressor suction flow path and bearing arrangement features

#347
20090180910
2009-07-16

HELIUM ENCLOSED COMPRESSOR

#348
20090173095
2009-07-09

Fluid separator for a compressor

#349
20090148328
2009-06-11

LUBRICANT BACKFLOW STRUCTURE OF COMPRESSOR

#350
20090071188
2009-03-19

Oil separator and refrigerant compressor having the same

#351
20090041589
2009-02-12

Oil-injected compressor with a temperature switch

#352
20090035160
2009-02-05

Hermetic compressor and refrigeration cycle device having the same

#353
20090031753
2009-02-05

COMPRESSOR

#354
20090028737
2009-01-29

Reservoir for a replacement fluid for a device and a device, together with an oil separator fitted with such a reservoir

#355
20090000872
2009-01-01

Compressor with dual pathways for returning lubricating oil

#356
20080310986
2008-12-18

Oil-cooled screw compressor

#357
20080260562
2008-10-23

Water-injected screw compressor element

#358
20080250772
2008-10-16

Multi-stage apparatus for separating liquid droplets from gases

#359
20080226483
2008-09-18

Compressor with oil separation and storage

#360
20080206084
2008-08-28

Compressor and oil separation device therefor

#361
20080175738
2008-07-24

COMPRESSOR AND OIL BLOCKING DEVICE THEREFOR

#362
20080170957
2008-07-17

Compressor and oil separating device therefor

#363
20080159896
2008-07-03

Vane pump

#364
20080101974
2008-05-01

Rotary compressor

#365
20080089795
2008-04-17

Water-injected compressor

#366
20080085205
2008-04-10

Compressor having a helmholtz type resonance chamber with a lowermost end connected to a gas passage

#367
20080031742
2008-02-07

Arrangement and Method for Treatment of Compressed Gas

#368
20070269328
2007-11-22

Antennas Array Calibration Arrangement and Method

#369
20070217936
2007-09-20

Oil separating device for compressor

#370
20070201991
2007-08-30

Valve for a compressor assembly

#371
20070163840
2007-07-19

Lubricant supply system and operating method of multisystem lubrication screw compressor

#372
20070154334
2007-07-05

Compressor and method of plate installation

#373
20070140870
2007-06-21

Refrigerant compressor having an oil separator

#374
20070122297
2007-05-31

Rotary compressor

#375
20070092391
2007-04-26

Horizontal scroll compressor

#376
20070077162
2007-04-05

Oil-cooled screw compressor

#377
20070077161
2007-04-05

Compressor for refrigerant

#378
20070003421
2007-01-04

Two-stage screw compressor

#379
20060267600
2006-11-30

System for purifying and monitoring the condition of lubricant fluid in compressors and other equipment

#380
20060216182
2006-09-28

Hermetic type scroll compressor and refrigerating and air-conditioning apparatus

#381
20060192171
2006-08-31

Hermetic type compressor with wave-suppressing member in the oil reservoir

#382
20060177338
2006-08-10

Horizontal type orbiting vane compressor

#383
20060171832
2006-08-03

Compressor including integrally formed separation tube and seal bolt

#384
20060153725
2006-07-13

Scroll compressor having an oil reservoir surrounding the discharge chamber and an oil separator in the rear housing

#385
20060147318
2006-07-06

Oil carry-over prevention from helium gas compressor

#386
20060144641
2006-07-06

Compressor lubricant system including acid filtration

#387
20060127262
2006-06-15

Oil discharge preventing apparatus of scroll compressor

#388
20060083650
2006-04-20

Air compressor assembly

#389
20060083649
2006-04-20

Compressor

#390
20060078452
2006-04-13

Oil discharge reducing device for scroll compressor

#391
20060067846
2006-03-30

Compressor for refrigerator-freezer having a porous member

#392
20060065012
2006-03-30

Compressor having a safety device being built in at least one of the screw plugs of the oil-separator

#393
20060062682
2006-03-23

Scroll compressor having refrigerant gas guide structure

#394
20060057012
2006-03-16

Scroll compressor having function of preventing outflow of lubrication oil

#395
20060057011
2006-03-16

Oil recycling apparatus for compressor

#396
20050279416
2005-12-22

Inlet piece for a liquid-injected compressor element

#397
20050271534
2005-12-08

Scroll compressor and air-conditioning system for vehicle using the scroll compressor

#398
20050265878
2005-12-01

Compressor including deviated separation chamber

#399
20050226756
2005-10-13

Compressor including pressure relief mechanism

#400
20050217221
2005-10-06

Cast separator tank

#401
20050175492
2005-08-11

Hermetic compressor

#402
20050135956
2005-06-23

Scroll compressor having a supply passage connecting the back pressure chamber to discharge pressure region and passing a clearance at a sliding portion

#403
20050129536
2005-06-16

Compressor including separation tube engagement mechanism

#404
20050115269
2005-06-02

Air chiller unit

#405
20050106041
2005-05-19

Compressor

#406
20050022551
2005-02-03

Compressor systems for use with smokeless lubricant

#407
19037428
2026-02-17

Rear head with vortex oil separator for compressor and electric compressor with vortex oil separator

#408
18581865
2025-02-04

Scavenge loss limiter for a rotary compressor

#409
17944054
2024-01-23

Electric compressor with isolation constraint system

#410
17944015
2023-04-18

Electric compressor with oil separator and oil separator for use in an electrical compressor

#411
17944010
2024-01-23

Electric compressor having a swing link and integrated limit pin and swing link and integrated limit pin for use in an electric compressor