| Patents for F03C 2 - Rotary-piston engines (2,448) |
|---|
| 04/25/2001 | CN2427644Y Composite toothed wheel type hydraulic motor |
| 04/25/2001 | CN1292845A Device for adjusting phase position of shaft |
| 03/06/2001 | US6196814 Positive displacement pump rotatable in opposite directions |
| 03/06/2001 | US6195990 Hydraulic machine comprising dual gerotors |
| 02/28/2001 | EP1078148A1 Device for adjusting the phase position of a shaft |
| 02/08/2001 | DE19935041A1 Schraubenverdichter Screw compressor |
| 02/06/2001 | US6183231 Clean-in-place gear pump |
| 02/06/2001 | US6183229 Hydraulic apparatus |
| 02/06/2001 | US6183226 Progressive cavity motors using composite materials |
| 01/31/2001 | EP1072796A2 Screw-type compressor |
| 01/24/2001 | EP1070847A2 Hydraulic gerotor motor and parking brake |
| 12/12/2000 | US6158993 Hydraulic motor |
| 12/06/2000 | EP1058007A2 Gerotor motor and brake assembly |
| 12/06/2000 | EP1056930A1 Drive motor for surgical appliances |
| 11/28/2000 | US6152718 Positive-displacement piston mechanism having a rotary piston structure |
| 11/22/2000 | EP1053400A1 Hydraulic motor lubrication path |
| 11/14/2000 | US6146118 Oldham coupling for a scroll compressor |
| 10/31/2000 | US6139295 Bearing lubrication system for a scroll compressor |
| 10/31/2000 | US6139294 Stepped annular intermediate pressure chamber for axial compliance in a scroll compressor |
| 10/18/2000 | EP1045147A2 Two speed gerotor motor |
| 10/18/2000 | EP1044332A1 Series for compressed air motors with torque which can be theoretically output in a varied manner and a method for producing the individual compressed air motors of said series |
| 10/18/2000 | CN1270283A Two speed motor with external chamber circulation |
| 10/17/2000 | US6132194 Low cost compact design integral brake |
| 09/06/2000 | EP1033474A1 Positive-displacement piston mechanism of rotary piston structure |
| 08/09/2000 | EP1026400A2 Gerotor motor |
| 08/08/2000 | US6099280 Two speed geroter motor with external pocket recirculation |
| 08/03/2000 | DE19903563A1 Hydrostatic motor unit for working machines such as mobile excavators, for example, has co-axially disposed centrally ported constant displacement radial piston motor and variable displacement axial piston swashplate motor |
| 07/20/2000 | WO2000042321A1 Hydraulic machine comprising dual gerotors |
| 07/20/2000 | WO1999025954A9 Positive-displacement piston mechanism of rotary piston structure |
| 07/11/2000 | US6086347 Two-stage rotary vane motor |
| 07/11/2000 | US6086345 Two-piece balance plate for gerotor motor |
| 07/11/2000 | US6086344 Hydraulic motor lubrication path |
| 06/20/2000 | US6077061 Vane motor with brake |
| 05/30/2000 | US6068460 Two speed gerotor motor with pressurized recirculation |
| 05/17/2000 | CN1253240A Double speed motor with forced circulation |
| 05/16/2000 | US6062835 Gerotor motor and parking lock assembly therefor |
| 05/11/2000 | WO2000026540A1 Series for compressed air motors with torque which can be theoretically output in a varied manner and a method for producing the individual compressed air motors of said series |
| 05/03/2000 | EP0997644A2 Gerotor motor |
| 04/20/2000 | DE19847144A1 Hydraulic internal gear engine, pref. hydraulic motor has housing cover with valve insert opening for back pressure valve fitted from outside, to prevent cavitation |
| 04/05/2000 | CN1249403A Bearing lubricating system for vortex type compressor |
| 04/05/2000 | CN1249402A Positive displacement pump |
| 04/05/2000 | CN1249401A Axial compliant cyclic medium pressure chamber with steps for vortex type compressor |
| 03/29/2000 | EP0989286A1 Two stage rotary vane motor |
| 03/15/2000 | CN1247278A Oldam's coupling of whirl compressor |
| 03/09/2000 | DE19849805C1 Hydraulic gear motor group has connected motors with different head circle diameters |
| 03/07/2000 | US6033195 Gerotor motor and improved spool valve therefor |
| 02/29/2000 | US6030194 Gerotor motor and improved valve drive and brake assembly therefor |
| 02/25/2000 | CA2280533A1 Two-stage rotary vane motor |
| 02/24/2000 | WO2000009887A2 Pump |
| 02/02/2000 | CN1243198A Automatic stepless speed-changing device |
| 02/01/2000 | US6019584 Coupling for use with a gerotor device |
| 02/01/2000 | US6019583 Reverse moineau motor |
| 01/27/2000 | DE19932864A1 Hydraulic vane motor for hydraulic system, with spring-loaded sealing strips in vane slots, and with each working chamber having at least four slit apertures in path |
| 11/18/1999 | WO1999058821A1 Device for adjusting the phase position of a shaft |
| 11/18/1999 | CA2330144A1 Device for adjusting the phase position of a shaft |
| 10/05/1999 | US5961413 Hydraulic drive |
| 08/05/1999 | WO1999039099A1 Hydraulic motor lubrication path |
| 08/04/1999 | CN1224806A Gear pump or motor |
| 07/28/1999 | EP0931936A1 Gerotor motor and improved valve drive and brake assembly therefor |
| 07/28/1999 | EP0931935A1 Gerotor motor and improved spool valve therefor |
| 07/28/1999 | EP0931221A1 A rotary machine |
| 07/27/1999 | US5927958 Fluid machinery having a sealing member between stepped spirals |
| 07/07/1999 | CN2327809Y Three-ring hydraulic machine |
| 06/16/1999 | CN2324317Y Device capable of being as liquid transfer pump and hydraulic motor |
| 06/10/1999 | DE19854155A1 Hydraulic gear pump or motor for vehicle units |
| 06/03/1999 | WO1999027254A1 Progressive cavity motors using composite materials |
| 05/27/1999 | WO1999025954A1 Positive-displacement piston mechanism of rotary piston structure |
| 05/12/1999 | CN1216596A Progressive cavity pump using composite materials |
| 05/12/1999 | CN1216346A Gerotor motor dynamic brake |
| 05/05/1999 | CN1215810A Gerotor motor and parking lock assembly therefor |
| 04/28/1999 | EP0911525A1 Gerotor motor and parking lock assembly therefor |
| 04/22/1999 | DE19745010A1 Hydraulic motor with at least one gearwheel set section, one supply section and one front section |
| 02/10/1999 | EP0836671B1 Vane motor with brake |
| 02/04/1999 | DE19732868A1 Rotary seal for hydrostatic drive |
| 02/03/1999 | EP0894195A1 Progressive cavity pumps using composite materials |
| 01/05/1999 | CA2161363C Rolling piston type expansion machine |
| 12/03/1998 | DE19748427C1 Rotary piston engine |
| 12/03/1998 | DE19748426C1 Rotary piston internal combustion engine |
| 12/02/1998 | CN1200439A Improved coupling for use with gerotor device |
| 12/01/1998 | CA2011966C Fluid motor rotor assembly |
| 11/25/1998 | EP0879963A1 Coupling for use with a gerotor device |
| 11/18/1998 | CN1040786C 叶片机 Blade machine |
| 11/11/1998 | EP0542759B1 A multi-chamber rotary lobe fluid machine with positive sliding seals |
| 11/10/1998 | US5833444 Fluid driven motors |
| 10/14/1998 | EP0870922A1 Gerotor motor dynamic brake |
| 09/09/1998 | EP0863310A1 Hydraulic motor with propulsion members having their longitudinal axis inclined both with respect to the other propulsors and with respect to the axis of the drive shaft |
| 08/27/1998 | CA2230522A1 Hydraulic motor with propulsion members having their longitudinal axis inclined both with respect to the other propulsors and with respect to the axis of the drive shaft |
| 08/04/1998 | US5788471 Spool valve wheel motor |
| 06/02/1998 | US5759019 Filament fiber impregnated with a thermosetting resin |
| 04/23/1998 | WO1998016744A1 A rotary machine |
| 04/23/1998 | WO1998016743A1 A rotary machine |
| 04/22/1998 | EP0836671A1 Vane motor with brake |
| 02/11/1998 | CN1172907A Spool valve wheel motor |
| 12/30/1997 | CA2088662C Multi-chamber rotary lobe fluid machine with positive sliding seals |
| 12/29/1997 | EP0814264A1 Spool valve wheel motor |
| 12/16/1997 | US5697765 Hydraulic motor |
| 12/16/1997 | US5697286 Fluid pressure unit with brake means |
| 10/30/1997 | WO1997040273A1 Progressive cavity pumps using composite materials |
| 10/08/1997 | CN1036088C Multi-function variable vane pump and motor |
| 10/07/1997 | US5673605 Motor cavitation prevention device for hydraulic systems |