Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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02/14/1995 | CA1334397C Scroll compressor |
02/08/1995 | EP0637691A1 Rotary pump and rotor-shaft subassembly for the use therein |
02/08/1995 | CN1098480A Rotary compressor with oil injection |
02/07/1995 | US5387272 Highly ductile sintered aluminum alloy, method for production thereof and use thereof |
02/02/1995 | WO1995003478A1 Synchronizer assembly for a scroll fluid device |
01/31/1995 | US5385458 Vane-type rotary compressor |
01/26/1995 | WO1995002767A1 Rotary screw compressor |
01/26/1995 | WO1995002765A1 Method of molding spiral body for scroll compressors |
01/25/1995 | EP0635094A1 Scroll machine |
01/24/1995 | US5383774 Rotary compressor having blade integrated in roller |
01/24/1995 | US5383773 Orbiting rotary compressor having axial and radial compliance |
01/24/1995 | US5383772 Scroll compressor stabilizer ring |
01/18/1995 | EP0633980A1 Scroll machine with overheating protection. |
01/18/1995 | CN2187688Y Two-direction mill type compressor for air conditioner |
01/18/1995 | CN2187687Y Roots blower |
01/17/1995 | US5382144 Oldham ring of scroll type compressor |
01/17/1995 | US5382143 Scroll type compressor having a thrust plate in a frame recess |
01/17/1995 | CA2018207C Axial sealing mechanism for a scroll type compressor |
01/12/1995 | WO1995001509A1 A fixed vane rotary compressor |
01/12/1995 | DE4421771A1 Rotary-slide compressor |
01/12/1995 | DE4325082A1 Arrangement for controlling hydraulic drives for power-regulated screw compressors |
01/11/1995 | CN1097242A Check valve of vortex compressor |
01/10/1995 | US5380177 Positive displacement machine with planetary motion and hypertrochoidal geometry |
01/10/1995 | US5380176 Valved discharge mechanism in a refrigerant compressor |
01/10/1995 | US5379516 Scroll compressor pump cartridge assembly |
01/04/1995 | EP0632201A1 Scroll compressor oil pumping system |
01/03/1995 | US5378129 Elastic unloader for scroll machines |
01/03/1995 | US5377649 Lubricating device for engine-driven supercharger |
01/03/1995 | US5377407 Manufacturing a screw rotor for use in a hydraulic machine |
01/03/1995 | CA1333789C Scroll type fluid apparatus |
12/28/1994 | EP0630445A1 Compressor slide valve control |
12/28/1994 | EP0630441A1 Screw compressor providing thrust bearing force compensation |
12/28/1994 | CN1096857A Vortex compressor |
12/27/1994 | US5375986 Oil pump for a closed type compressor |
12/22/1994 | WO1994029596A1 Positive displacement machine with electronic motor synchronisation |
12/22/1994 | DE4422315A1 Spiral compressor |
12/21/1994 | EP0629778A2 Regulating device for screw-type compressors |
12/21/1994 | CN1096569A 压缩机 Compressor |
12/21/1994 | CN1027095C Scroll type compressor |
12/20/1994 | US5374173 Fluid rotating apparatus with sealing arrangement |
12/20/1994 | US5374172 Rotary univane gas compressor |
12/20/1994 | US5374171 Rotary compressor thrust washer |
12/20/1994 | US5374170 Screw vacuum pump |
12/20/1994 | US5374166 Motor driven fluid compressor within hermetic housing |
12/20/1994 | US5373819 Rotary piston machine and method of manufacturing piston |
12/17/1994 | CA2121763A1 Regulating device with starting and stopping device for screw-type compressors, and starting and stopping device used hereby |
12/14/1994 | EP0513212B1 Rotary screw machine having thrust balancing means |
12/13/1994 | US5372490 Scroll compressor oil pumping system |
12/13/1994 | US5372489 Two stage vane type compressor |
12/13/1994 | CA2080877C Pressure ratio responsive unloader |
12/08/1994 | DE4318737A1 Rotary piston compressor |
12/07/1994 | EP0627559A1 Inspection system for a defective rotation preventing device in an orbiting member of a fluid displacement apparatus |
12/06/1994 | US5370513 Scroll compressor oil circulation system |
12/06/1994 | US5370512 Scroll type compressor having a leak passage for the discharge chamber |
12/06/1994 | US5370508 Positive-displacement machine having orbital motion |
11/29/1994 | US5368457 Fluid compressor having a molded helical blade |
11/29/1994 | US5368456 Fluid compressor with bearing means disposed inside a rotary rod |
11/29/1994 | US5368455 Gear-type machine with flattened cycloidal tooth shapes |
11/29/1994 | US5368446 Scroll compressor having high temperature control |
11/24/1994 | WO1994027051A1 Rotary compressor |
11/24/1994 | WO1994027049A1 Pumping process for operating a multi-phase screw pump and pump |
11/24/1994 | WO1994022064A3 Quieted air compressor |
11/23/1994 | EP0625640A1 Refrigerant displacement apparatus with thermal protection device |
11/23/1994 | EP0625244A1 Scroll compressor. |
11/23/1994 | CN1095455A Rotative fluid equipment |
11/23/1994 | CN1095454A Method and apparatus for assembling electric motors capable of employing casing body having low dimensional accuracy |
11/22/1994 | US5366359 Scroll compressor orbital scroll drive and anti-rotation assembly |
11/22/1994 | US5366358 Oil free scroll vacuum pump |
11/22/1994 | US5366352 Thermostatic compressor suction inlet duct valve |
11/17/1994 | DE4316195A1 Oil-sealed vacuum pump with pressure-oil lubrication |
11/17/1994 | DE4315413A1 Rotary piston pump with adjustable casing shell |
11/17/1994 | DE4092017C1 Spiral compressor |
11/16/1994 | CN1026609C Motor compressor |
11/15/1994 | US5364250 Oil-free screw compressor and method of manufacture |
11/15/1994 | US5364247 Sealing structure for scroll type compressor |
11/15/1994 | US5364235 Variable capacity vane compressor with axial pressure device |
11/15/1994 | CA2063232C Scroll compressor including compliance mechanism for the orbiting scroll member |
11/15/1994 | CA1333065C Scroll apparatus with modified scroll profile |
11/10/1994 | DE4415875A1 Screw-type compressor |
11/10/1994 | DE4410270A1 Filling, fluid-transport and pumping device |
11/09/1994 | EP0623749A1 Rotary gas compressor |
11/09/1994 | EP0623748A1 Scroll compressor |
11/09/1994 | EP0623747A1 Scroll compressor pump cartridge assembly |
11/09/1994 | EP0623733A1 Scroll machine sound attenuation |
11/09/1994 | CN2182288Y Round plate shape air-filling pump for bicycle |
11/08/1994 | US5362218 Scroll type compressor with counterweight |
11/08/1994 | US5362211 Scroll type fluid displacement apparatus having a capacity control mechanism |
11/08/1994 | US5362210 Scroll compressor unloader valve |
11/02/1994 | EP0622547A1 Speed detector of scroll-type fluid machine |
11/02/1994 | EP0622546A1 Rotary compressor with oil injection |
11/01/1994 | US5360326 Twin helical blade fluid compressor |
10/26/1994 | CN1094135A Unit for discharging of compressed gas in rotative compressor |
10/26/1994 | CN1094133A Fluid compressor |
10/26/1994 | CN1093978A Sound abatement in rotary compressors |
10/25/1994 | US5358393 Internal axis single-rotation machine |
10/25/1994 | US5358392 Horizontal hermetic compressor having an oil reservoir |
10/25/1994 | US5358391 Hermetic compressor with heat shield |
10/25/1994 | US5358387 Oil-free scroll compressor |
10/20/1994 | DE4412560A1 Spiral compressor |
10/20/1994 | DE4412523A1 Screw compressor comprising a mechanism for absorbing a pressurised-gas compression reaction force |