| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
|---|
| 01/19/1994 | EP0578890A1 Scroll compressor with discharge diffuser |
| 01/19/1994 | CN1080981A A horizontal hermetic compressor |
| 01/11/1994 | US5277564 Closed type scroll compressor with spherical slide bearing for the oil tube |
| 01/11/1994 | US5277562 Scroll fluid machine and producing method for the same |
| 01/11/1994 | CA1326005C Rotating scroll apparatus with axially biased scroll members |
| 01/06/1994 | WO1994000692A1 Piston unloader arrangement for screw compressors |
| 01/05/1994 | EP0577234A1 Scroll type fluid apparatus |
| 01/04/1994 | US5275543 Oldham ring of scroll type compressor |
| 12/29/1993 | EP0576415A1 Suction control valve |
| 12/29/1993 | CN2151279Y Rotary piston machine with sliding vane |
| 12/29/1993 | CN1080030A Jaw vacuum pump series |
| 12/29/1993 | CN1080029A Rotary compressor |
| 12/22/1993 | CN1079804A Multifunction pump |
| 12/22/1993 | CN1023245C Scroll type compressor |
| 12/22/1993 | CN1023244C Scroll-type compressor |
| 12/21/1993 | US5271719 Fluid rotating apparatus and method of controlling the same |
| 12/15/1993 | EP0574104A1 A horizontal hermetic compressor |
| 12/15/1993 | EP0573516A1 Thermodynamic systems including gear type machines for compression or expansion of gases and vapors |
| 12/15/1993 | EP0403599B1 Scroll fluid device provided with synchronizing and unloading means |
| 12/15/1993 | CN2149498Y Rotating vane and rolling cylinder type pump |
| 12/14/1993 | US5269661 Scroll type fluid displacement apparatus having a capacity control mechanism |
| 12/08/1993 | EP0573063A1 Bearing lubricating structure for rotary machinery |
| 12/02/1993 | DE4315602A1 Oscillating piston pump acting as dry runner - has single vane connected to two swivel sockets to avoid sliding action |
| 11/25/1993 | WO1993023671A1 A scroll compressor |
| 11/25/1993 | WO1993023659A1 Arrangement of internal combustion engines provided with a supercharger and a fuel injection system |
| 11/25/1993 | DE4316770A1 Seal configuration for spiral compressor - has significantly enlarged initial sections on spiral elements and spiral seals |
| 11/24/1993 | CN1078792A Scroll compressor and air conditioner using the same |
| 11/24/1993 | CN1022853C Compressor |
| 11/23/1993 | US5263832 Air-cooled oil-free screw compressor |
| 11/23/1993 | US5263822 Scroll compressor with lubrication passages to the main bearing, revolving bearing, back-pressure chamber and compression chambers |
| 11/16/1993 | US5261802 Screw vacuum pump |
| 11/11/1993 | WO1993022561A1 Rotary compressor in which blade and roller are integrated |
| 11/11/1993 | DE4215038A1 Spiral compressor for compressible media - has sets of compression chambers formed by spiral grooves enclosing spiral ribs and eccentrically displaced |
| 11/10/1993 | EP0404921B1 Rotor pair for a high-pressure screw-type compressor |
| 11/09/1993 | US5259740 Rotary compressor |
| 11/03/1993 | EP0568493A2 Internal axis rotary piston machine |
| 11/03/1993 | CN1078022A Rotative compressor with integral blades and rotator |
| 11/02/1993 | US5257920 Scroll type compressor having a centered opening to a high pressure chamber |
| 11/02/1993 | CA1323865C Axial sealing mechanism for a scroll type compressor |
| 10/27/1993 | CN2144722Y Vortex compressor |
| 10/26/1993 | US5256042 Bearing and lubrication system for a scroll fluid device |
| 10/20/1993 | CN2144201Y Revolving square compressor |
| 10/19/1993 | US5253989 Scroll fluid apparatus having a revolving scroll of separate members |
| 10/19/1993 | US5253618 Marine engine |
| 10/19/1993 | US5253489 Scroll type compressor with injection mechanism |
| 10/19/1993 | US5253481 Control unit for activating compressor |
| 10/14/1993 | WO1993020332A1 Scroll machine |
| 10/13/1993 | CN2143678Y Wortex flow liquid machinery with self-turning-proof mechanism |
| 10/12/1993 | US5252048 Fluid compressor having improved Oldham mechanism |
| 10/12/1993 | CA2059598C Method and apparatus for enhanced scroll stability in a co-rotational scroll |
| 10/12/1993 | CA2054997C Co-rotational scroll apparatus with improved scroll member biasing |
| 10/07/1993 | DE4310621A1 Rotating piston machine for compression of gaseous mediums - has intake and discharge sockets relatively offset on housing parallel to rotor axis |
| 10/05/1993 | US5249943 Scroll type compressor having recessed buffer means in a spiral wrap flat face |
| 10/05/1993 | US5249940 Scroll compressor having a magnet pressing the moving scroll member axially |
| 10/05/1993 | US5249931 Axial flow fluid compressor with oldram coupling |
| 09/30/1993 | WO1993019295A1 Scroll machine with overheating protection |
| 09/30/1993 | DE4224969C1 Förderschraubenpaar für rotierende Verdrängerpumpen Pair of conveyor worms for rotary positive displacement pumps |
| 09/28/1993 | US5248244 Scroll compressor with a thermally responsive bypass valve |
| 09/28/1993 | US5247738 Method for assembling motor driven fluid compressor |
| 09/28/1993 | US5247736 Method of manufacturing a multipiece eccentric shaft |
| 09/22/1993 | EP0561212A2 Fluid displacement apparatus with a spiral element |
| 09/21/1993 | US5246358 Cam-gear pump-compressor apparatus |
| 09/21/1993 | US5246357 Screw compressor with oil-gas separation means |
| 09/21/1993 | US5246356 Sound abatement in rotary compressors |
| 09/16/1993 | WO1993018307A1 Compressor slide valve control |
| 09/16/1993 | WO1993018280A1 Screw compressor providing thrust bearing force compensation |
| 09/16/1993 | DE4307745A1 Variable delivery compressor with eccentrically mounted rotor - has by=pass channel between chambers which is opened and closed by folding bellows. |
| 09/15/1993 | EP0560709A2 Method of generating the surfaces of a piston for a rotary piston machine |
| 09/15/1993 | EP0560009A1 Positive displacement machine on the spiral principle |
| 09/15/1993 | CN1076249A Rotary piston machine and use of said machine |
| 09/15/1993 | CN1022128C Rotary positive displacement compressor and refrigeration plant |
| 09/14/1993 | US5244366 Rolling piston compressor, and a cylinder therefor |
| 09/14/1993 | US5244353 Gas pumping installation having means for regulating its pumping speed |
| 09/08/1993 | CN1076010A Convolute-hydrodynamic mechanics |
| 09/08/1993 | CN1076009A A method for dynamically balancing nested coupling mechanisms for scroll machines |
| 09/07/1993 | US5242287 Axial flow fluid compressor |
| 09/07/1993 | US5242284 Scroll compressor having limited axial movement between rotating scroll members |
| 09/07/1993 | US5242283 Scroll type compressor with elongated discharge port |
| 09/07/1993 | US5242282 Scroll compressor with a driving pin between scrolls and a sliding shaft bearing |
| 09/07/1993 | US5242280 Rotary type multi-stage compressor with vanes biased by oil pressure |
| 09/02/1993 | WO1993017241A1 Bearing and lubrication system for a scroll fluid device |
| 09/02/1993 | WO1993017239A1 Windage loss reduction arrangement for scroll fluid device |
| 09/02/1993 | WO1993017221A1 Thermal isolation arrangement for scroll fluid device |
| 09/02/1993 | DE4305876A1 Spiral compressor with anti-spin mechanism - uses counter mass with cylindrical depression to balance rotating spiral element |
| 09/02/1993 | DE4305289A1 Bearing for high speed shaft in screw compressor - has sets of inclined ball bearings with different contact angles |
| 09/01/1993 | EP0558167A1 Scroll-type fluid machine |
| 09/01/1993 | EP0557598A1 Scroll type fluid machinery |
| 08/31/1993 | US5240392 Scroll type compressor with oil-separating plate in discharge chamber |
| 08/31/1993 | US5240388 Scroll type compressor with variable displacement mechanism |
| 08/31/1993 | US5240387 Variable capacity vane compressor having an improved bearing arrangement for a drive shaft and a capacity control element |
| 08/31/1993 | US5240386 Multiple stage orbiting ring rotary compressor |
| 08/26/1993 | DE4305044A1 Worm compressor with stationary worm element - which has spiral guide wall chamber with cooling medium intake, and movable worm |
| 08/25/1993 | EP0557023A1 Scroll type compressor with variable displacement mechanism |
| 08/25/1993 | EP0556746A2 Vane type gas compressor |
| 08/25/1993 | CN1075531A Ball-shape variable-capacitance machine |
| 08/24/1993 | CA1321570C Scroll type compressor |
| 08/24/1993 | CA1321569C Scroll compressor with spring biassed counterweight |
| 08/18/1993 | EP0555945A1 A capacity control mechanism for scroll-type compressor |
| 08/17/1993 | US5236316 Scroll type compressor |
| 08/11/1993 | CN1075192A Capacity control mechanism of vortex compressor |