Patents for F04C 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids (6,201) |
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03/28/1996 | DE19503716C1 Twin=shafted rotary pump |
03/20/1996 | CN1118842A Sealed compressor |
03/20/1996 | CN1031361C Encapsulated rotary compressor |
03/12/1996 | US5498143 Scroll compressor with flywheel |
03/07/1996 | DE4091980C2 Scroll compressor |
03/05/1996 | US5495885 Method for making rotor counterweight insert apparatus |
02/28/1996 | EP0698736A1 Scroll compressor capable of effectively cooling a motor |
02/21/1996 | EP0697523A2 Screw fluid machine and screw gear used in the same |
02/20/1996 | US5492460 Scroll-type fluid machine having a wear-resistant plate |
02/15/1996 | DE4091978C2 Scroll compressor |
02/13/1996 | CA2043933C Scroll type fluid machinery |
02/06/1996 | US5489198 Scroll machine sound attenuation |
02/01/1996 | WO1996002799A1 Refrigeration system and pump therefor |
02/01/1996 | CA2195016A1 Refrigeration system and pump therefor |
01/31/1996 | CN1115998A Scroll compressor |
01/31/1996 | CN1030853C A method for dynamically balancing nested coupling mechanisms for scroll machines |
01/30/1996 | US5487654 Hermetic compressor with heat shield |
01/24/1996 | CN1030792C Nested coupling mechanism for scroll machines |
01/18/1996 | DE4443387C1 Twin=step mechanical vacuum pump assembly |
01/17/1996 | EP0692635A2 Multistage dry compressing vacuum pump and method for its operation |
01/10/1996 | EP0691475A2 Fluid rotating apparatus |
01/09/1996 | US5482450 For handling a working fluid |
01/04/1996 | WO1996000350A1 Horizontal scroll compressor |
12/26/1995 | US5478210 Multi-stage vacuum pump |
12/20/1995 | EP0687815A2 Scroll type fluid machine |
12/20/1995 | CN1113549A Scroll machine sound attenuation |
12/20/1995 | CN1113546A Vortex hydraulic mechanism |
12/19/1995 | US5476373 Reverse drive oil pump |
12/19/1995 | US5476369 Rotor counterweight insert apparatus |
12/13/1995 | EP0686238A1 A compressor for a refrigerant gas recovering machine |
12/12/1995 | US5474433 Axial sealing mechanism of volute compressor |
12/12/1995 | US5474431 Scroll machine having discharge port inserts |
12/05/1995 | US5472327 Rotary compressor with improved fluid inlet porting |
11/30/1995 | DE4418262A1 Circular rotating impeller with sliding seal |
11/29/1995 | CN1112649A A multistage vacuum pump |
11/22/1995 | EP0683322A2 Pump unit |
11/14/1995 | US5466136 Scroll compressor having a gas liquid separator |
11/09/1995 | WO1995030091A1 Vapor control system |
11/02/1995 | EP0679810A2 Scroll apparatus |
11/02/1995 | EP0679809A2 Compressor and refrigerating unit |
10/23/1995 | EP0746685A4 Scroll compressor drive having a brake |
10/17/1995 | US5458472 Scroll type compressor having thrust regulation on the eccentric shaft |
10/11/1995 | CN1109948A Scroll machine having discharge port inserts |
10/04/1995 | EP0675288A2 Fluid compressor |
09/27/1995 | EP0674106A1 A multistage vacuum pump |
09/27/1995 | CN1109143A An oil supplying apparatus for a horizontal type rotary compressor |
09/27/1995 | CN1029867C Compresor, and method of manufacturing same |
09/14/1995 | WO1995024561A1 Scroll compressor capable of effectively cooling a motor |
09/14/1995 | CA2162483A1 Scroll compressor capable of effectively cooling motor thereof |
09/13/1995 | EP0671562A2 Closed-type compressor |
09/12/1995 | US5449276 Two stage vacuum pump having different diameter interengaging rotors |
09/05/1995 | US5447422 Air-cooled oil-free rotary-type compressor |
09/05/1995 | US5447418 Scroll-type fluid machine having a sealed back pressure chamber |
09/05/1995 | US5447415 Motor driven fluid compressor within hermetic housing |
08/30/1995 | CN1107554A Sealed compressor and refrigerating apparatus, refrigerator and air conditioner using same |
08/29/1995 | US5445507 Scroll type compressor having a spacer coupling the fixed scroll to the frames |
08/29/1995 | US5445502 Vacuum pump having parallel kinetic pump inlet section |
08/22/1995 | US5443374 Motor driven fluid compressor |
08/16/1995 | CN1106895A Vortex compressor and assembly of same |
08/10/1995 | WO1995021329A1 Improved oil free scroll vacuum pump |
08/09/1995 | EP0563348B1 Compressor interstage coolant injector nozzle |
08/09/1995 | CN1106505A Vortex compressor |
08/02/1995 | EP0635094A4 Scroll machine. |
08/02/1995 | EP0480065B1 Scroll compressor |
07/25/1995 | US5435144 Compressor lubricant distributing system for motor vehicles having auxiliary air conditioning |
07/19/1995 | EP0663045A1 Method of operating a claw-type vacuum pump, and a claw-type vacuum pump suitable for carrying out the method. |
07/19/1995 | CN1105426A Rotative vacuum pump composed of two parts |
07/05/1995 | EP0661457A1 Thermostatic compressor suction inlet duct valve |
06/28/1995 | EP0477331B1 Manual device for generating local under or over pressure |
06/27/1995 | US5427511 Scroll compressor having a partition defining a discharge chamber |
06/22/1995 | WO1995016860A1 A compressor for a refrigerant gas recovering machine |
06/21/1995 | CN1103932A Scroll-type fluid machine |
06/08/1995 | WO1995015439A1 A device in a vacuum pump |
06/08/1995 | DE4092106C1 Spiral compressor |
05/16/1995 | CA2084366C Method for dynamically balancing nested coupling mechanisms for scroll machines |
05/11/1995 | WO1995012759A1 Scroll compressor |
05/10/1995 | CN1028380C Oldham coupling for scroll compressor |
05/09/1995 | US5413467 Oil-free type screw compressor device |
05/03/1995 | CN1102240A Vortex compressor |
05/02/1995 | US5411384 Scroll compressor having upper and lower bearing housings and a method of testing and assembling the compressor |
04/18/1995 | US5407335 Non-orbiting scroll mounting arrangements for a scroll machine |
04/18/1995 | US5407334 Scroll type compressor having a convex surface on the sub frame bushing |
04/04/1995 | US5403172 Scroll machine sound attenuation |
04/04/1995 | US5403171 Scroll compressor |
03/28/1995 | US5401149 Package-type screw compressor having coated rotors |
03/22/1995 | CN1100497A Horizontal rotary compressor |
03/21/1995 | US5399076 Rolling piston compressor |
03/07/1995 | US5395214 Starting method for scroll-type compressor |
03/07/1995 | US5394709 Thermodynamic systems including gear type machines for compression or expansion of gases and vapors |
03/01/1995 | EP0569424B1 Dry-running vacuum pump |
02/23/1995 | WO1995005540A1 Vacuum pump with oil separator |
02/23/1995 | DE4092020C2 Spiral compressor |
02/21/1995 | US5391054 Compressor end shell |
02/15/1995 | EP0593747A4 Compressor assembly with staked shell. |
02/14/1995 | US5388428 Gas expansion refrigeration system |
02/09/1995 | WO1995004221A1 Two-stage slide vane vacuum pump |
02/09/1995 | WO1995004220A1 Housing for a two-stage rotary vane vacuum pump |
02/07/1995 | CA2098312C Compressor interstage coolant injector nozzle |
01/31/1995 | US5385453 Multiple compressor in a single shell |
01/25/1995 | EP0635094A1 Scroll machine |