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Class Information
Number: 418/100
Name: Rotary expansible chamber devices > Heat exchange or non-working fluid lubricating or sealing > Intermixed incoming working and non-working fluids
Description: Apparatus in which the nonworking fluid is initially directed so as to unite with the working fluid prior to its entry into the working chamber of the device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7628595 |
Gas vane pump, and method of operating the pump |
Dec. 8, 2009 |
| 7462021 |
Rotary compressor, and car air conditioner and heat pump type water heater using the compressor |
Dec. 9, 2008 |
| 7458789 |
Scroll compressor |
Dec. 2, 2008 |
| 7293970 |
Two-stage rotary compressor |
Nov. 13, 2007 |
| 7165949 |
Cavitation noise reduction system for a rotary screw vacuum pump |
Jan. 23, 2007 |
| 7077633 |
Electric compressor |
Jul. 18, 2006 |
| 6827563 |
Scroll compressor for carbon dioxide supplied with a lubricant |
Dec. 7, 2004 |
| 6807821 |
Compressor with internal accumulator for use in split compressor |
Oct. 26, 2004 |
| 6701220 |
Industrial robot device |
Mar. 2, 2004 |
| 6699022 |
Vacuum exhaust apparatuses and vacuum exhaust methods |
Mar. 2, 2004 |
| 6599110 |
Scroll-type compressor with lubricant provision |
Jul. 29, 2003 |
| 6533562 |
Two-stage oil injection into scroll compressors |
Mar. 18, 2003 |
| 6474964 |
Scroll compressor with deflector plate |
Nov. 5, 2002 |
| 6386172 |
Variable bandwidth striated charge for use in a rotary vane pumping machine |
May. 14, 2002 |
| 6375443 |
Screw rotor type wet vacuum pump |
Apr. 23, 2002 |
| 6322339 |
Scroll compressor |
Nov. 27, 2001 |
| 6315536 |
Suction inlet screen and funnel for a compressor |
Nov. 13, 2001 |
| 6312237 |
Displacement type fluid machine |
Nov. 6, 2001 |
| 6290472 |
Rotary compressor with vane body immersed in lubricating fluid |
Sep. 18, 2001 |
| 6276910 |
Scroll-type compressor having an oil groove intersecting the suction port |
Aug. 21, 2001 |
| 6264448 |
Open type compressor |
Jul. 24, 2001 |
| 6220825 |
Rotary-screw air compressor having a separator and a cooler fan assembly |
Apr. 24, 2001 |
| 6220841 |
Displacement type fluid machine |
Apr. 24, 2001 |
| 6217304 |
Multi-rotor helical-screw compressor |
Apr. 17, 2001 |
| 6190148 |
Scroll-type fluid displacement device having sliding surface thrust bearing |
Feb. 20, 2001 |
| 6174148 |
Water jet type air compressor system, its starting method, and water quality control method thereof |
Jan. 16, 2001 |
| 6102683 |
Compressor installation having water injection and a water treatment device |
Aug. 15, 2000 |
| 6079966 |
Compressor housing |
Jun. 27, 2000 |
| 6045344 |
Oil-cooled type screw compressor |
Apr. 4, 2000 |
| 5899667 |
Fluid compressor with seal scavenge and method |
May. 4, 1999 |
| 5795136 |
Encapsulated rotary screw air compressor |
Aug. 18, 1998 |
| 5759021 |
Scroll type compressor having an annular intake groove for supplying lubricant to the rotation prevention mechanism |
Jun. 2, 1998 |
| 5688109 |
Oil-level controller for compressor |
Nov. 18, 1997 |
| 5667367 |
Air compressor |
Sep. 16, 1997 |
| 5653585 |
Apparatus and methods for cooling and sealing rotary helical screw compressors |
Aug. 5, 1997 |
| 5575635 |
Scroll compressor having eccentric shaft lubrication |
Nov. 19, 1996 |
| 5567137 |
Scroll compressor with shaft seal lubrication |
Oct. 22, 1996 |
| 5518381 |
Closed rotary compressor |
May. 21, 1996 |
| 5492461 |
Separator vessel |
Feb. 20, 1996 |
| 5431550 |
Hermetic motor driven scroll apparatus having improved lubricating mechanism |
Jul. 11, 1995 |
| 5395223 |
Scroll type compressor having communication passage means with lubricating arrangement associated therewith |
Mar. 7, 1995 |
| 5395224 |
Scroll machine lubrication system including the orbiting scroll member |
Mar. 7, 1995 |
| 5360319 |
Compressor assembly having control valve for triggered pressure actuated clutch |
Nov. 1, 1994 |
| 5306126 |
Scroll compressor lubrication control |
Apr. 26, 1994 |
| 5273410 |
Compressor exhibiting an iron sulfide wear surface |
Dec. 28, 1993 |
| 5252046 |
Self-sealing scroll compressor |
Oct. 12, 1993 |
| 5240392 |
Scroll type compressor with oil-separating plate in discharge chamber |
Aug. 31, 1993 |
| 5221198 |
Scroll type compressor with intake port aligned with counterweight |
Jun. 22, 1993 |
| 5201646 |
Scroll compressor eccentric bushing retainer |
Apr. 13, 1993 |
| 5181414 |
Pumping apparatus for pumping a gas by means of an oil-sealed vane pump and application to helium leak detectors |
Jan. 26, 1993 |
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