| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 12/05/2002 | WO2002097272A1 Rotary pump |
| 12/05/2002 | DE10223466A1 Pump especially for lubricating oil of internal combustion engines has means by which output volume is adjustable dependent upon temperature |
| 12/05/2002 | DE10126482A1 Water management system for closed cycle Diesel engines for submarines consists of two displacement pumps connected opposite to each other |
| 12/04/2002 | EP1261806A1 Inverse toothed rotor set |
| 12/04/2002 | EP0865575B1 Double worm system |
| 11/27/2002 | EP1259737A1 Control device for positive displacement pumps |
| 11/27/2002 | CN2522647Y Blade pump |
| 11/27/2002 | CN1095025C Fluid machine |
| 11/27/2002 | CN1095024C Compact scroll fluid device |
| 11/26/2002 | US6485277 Valve arrangement and pump for a gear system |
| 11/26/2002 | US6484840 Hydraulic steering arrangement |
| 11/22/2002 | WO2001090579A1 Reverse-running pump |
| 11/22/2002 | CA2410392A1 Reverse-running pump |
| 11/21/2002 | WO2002093506A1 Improved fluid metering device |
| 11/21/2002 | US20020172605 Motor-pump unit |
| 11/19/2002 | US6481992 Vane pump |
| 11/19/2002 | US6481991 Trochoid gear type fuel pump |
| 11/19/2002 | US6481990 Hydraulically balanced multi-vane hydraulic motor |
| 11/14/2002 | WO2002091028A2 Devices employing colloidal-sized particles |
| 11/14/2002 | WO2001090632A1 Regulated pump |
| 11/14/2002 | US20020166586 Fluid metering device |
| 11/14/2002 | DE10103476C1 Einschubstator für Exzenterschneckenpumpen Einschubstator for progressing cavity pumps |
| 11/13/2002 | EP1255666A1 Brake unit |
| 11/12/2002 | US6478559 Balanced vane pump |
| 11/12/2002 | US6478549 Hydraulic pump with speed dependent recirculation valve |
| 11/12/2002 | US6478116 Lubricating oil supplying arrangement for an apparatus having a rotating apparatus shaft |
| 11/07/2002 | WO2002018792A3 Progressing cavity pump |
| 11/07/2002 | US20020164178 Powder pump capable of effectively conveying powder and image forming apparatus using powder pump |
| 11/07/2002 | DE10115060A1 External gear pump has on first side and/or second side of housing space two bearing discs circumferentially adjacent to one another, one with bearing of drive pinion's shaft end and other with bearing of shaft end of co-rotating pinion |
| 11/06/2002 | CN1378621A High pressure cleaning device |
| 11/06/2002 | CN1378042A Alternative rotary pump |
| 11/06/2002 | CN1093919C Perfected twin-screw pump, particularly suitable for pumping of biphase fluids in submarine |
| 11/05/2002 | US6474965 Rotary piston engine having a cogwheel pump and an oil metering pump |
| 11/05/2002 | US6474752 Rotary pump and braking device using same |
| 11/05/2002 | US6474751 Hydraulic circuit having a rotary type pump and brake apparatus for a vehicle provided with the same |
| 10/31/2002 | WO2002086322A2 Fluid controlled pumping system and method |
| 10/31/2002 | US20020159906 Sanitary design gear pump |
| 10/31/2002 | US20020159905 Toothed rotor set |
| 10/31/2002 | DE10216549A1 Pump such as vane cell pump or roller cell pump has ring or part of front side plate in impingement area of return oil stream positioned so that they act as flow divider at right angles to flow direction of oil stream |
| 10/31/2002 | CA2441307A1 Fluid controlled pumping system and method |
| 10/30/2002 | EP1252443A1 Hydraulic fluid vane pump |
| 10/29/2002 | US6471498 Fluid machinery having stepped spirals with axial pushing means for the moving spiral |
| 10/29/2002 | US6471492 Oil free screw compressor |
| 10/24/2002 | WO2002084122A2 Rotary pump |
| 10/24/2002 | DE10118785A1 Eccentric screw conveyor pump has at least one screw conveyor in region of intermediate cavity |
| 10/24/2002 | DE10118071A1 Exzenter-Schneckenpumpe Eccentric screw pump |
| 10/23/2002 | EP0906512B1 Vane pump |
| 10/23/2002 | CN1093228C Screw rotor set |
| 10/22/2002 | US6468061 Rotary machine |
| 10/22/2002 | US6468044 Variable displacement pump |
| 10/17/2002 | WO2002082098A2 Speed sensor flange assemblies |
| 10/17/2002 | WO2002081922A2 Screw conveyor for the transport of flowable substances and/or lumps of material |
| 10/17/2002 | WO2002081921A1 Variable displacement pump having a rotating cam ring |
| 10/17/2002 | DE10118720A1 Pumpe Pump |
| 10/17/2002 | DE10117139A1 Hydraulic gear pump or motor has at least one of gear wheels able to be moved radially to make the effective working thickness adjustable |
| 10/17/2002 | DE10116641A1 Bolt joint for an eccentric screw pump, for the coupling rod between the rotor and the drive shaft, has a joint head with structured openings to take the rod coupling pins |
| 10/16/2002 | EP1249609A1 Pump with self-centering interlocking shaft |
| 10/16/2002 | CN1374457A Method and equipment for obtaining atmosphere pressure energy |
| 10/16/2002 | CN1374456A Fluid mechanism |
| 10/15/2002 | US6464482 Mechanically driven roller vane pump |
| 10/10/2002 | WO2002079662A1 Clutch assembly with a gear pump |
| 10/10/2002 | DE10115866A1 Aggregat zum Fördern von Kraftstoff Unit for feeding fuel |
| 10/09/2002 | EP1247984A1 Screw conveyor for the transport of flowable substances and/or lumps of material |
| 10/09/2002 | CN1373297A Rotor of rotary piston type pump |
| 10/08/2002 | US6461128 Progressive cavity helical device |
| 10/08/2002 | US6461118 Oil pump by-pass valve for an internal combustion engine |
| 10/08/2002 | US6460734 Dispensing apparatus including a pump package system |
| 10/03/2002 | WO2002077459A1 Progressive cavity pump |
| 10/03/2002 | WO2002077458A1 Self-centering gear pump |
| 10/03/2002 | WO2002077416A2 Center driven pressure clamped pump |
| 10/03/2002 | US20020141878 Pump assembly |
| 10/03/2002 | CA2441596A1 Self-centering gear pump |
| 10/02/2002 | EP1245831A2 Pump assembly |
| 10/02/2002 | EP1245821A1 Fuel feed-pump unit |
| 10/02/2002 | CN2514143Y Composite gear teeth type hydraulic pump |
| 10/02/2002 | CN1372080A Plastic gear for gear pump |
| 10/01/2002 | US6457958 Self compensating adjustable fit progressing cavity pump for oil-well applications with varying temperatures |
| 10/01/2002 | US6457950 Sealless multiphase screw-pump-and-motor package |
| 10/01/2002 | US6457946 Regulatable pump |
| 09/26/2002 | US20020136657 Center driven pressure clamped hydraulic pump |
| 09/26/2002 | US20020136656 Positive-displacement pump |
| 09/26/2002 | US20020136655 Hydraulically balanced multi-vane hydraulic motor |
| 09/26/2002 | DE10211865A1 Hydraulic displacement machine esp. gear pump has housing with filler piece fabricated from hardened steel profile |
| 09/26/2002 | DE10146793A1 Präzise Kleinstlagerung bei Mini- bis Mikrosystemen und Montageverfahren für solche Systeme Precise micro storage at mini to micro-systems and assembly methods for such systems |
| 09/26/2002 | DE10112028A1 Schneckenpumpe und Doppelschneckenextruder mit einer solchen Schneckenpumpe Screw pump and twin screw extruder with such a screw pump |
| 09/25/2002 | EP1243794A2 Vane hydraulic motor |
| 09/24/2002 | CA2275816C Bearing lubrication system for a scroll compressor |
| 09/19/2002 | US20020131884 Dry vacuum pump |
| 09/19/2002 | US20020131873 Integrated vane pump and motor |
| 09/18/2002 | EP1240432A1 Internally generated rotor set for low viscosity and abrasive metering applications |
| 09/18/2002 | CN2511854Y Machine-oil pump |
| 09/18/2002 | CN1370271A dosing device adapted for dispensing concentrate from holder in metered manner |
| 09/18/2002 | CN1091225C Geared pump of pumping high viscosity liquid |
| 09/18/2002 | CN1091224C Twin-cylinder impeller pump |
| 09/18/2002 | CN1091044C Improved torque generator steering device |
| 09/17/2002 | US6450792 Hydraulic displacement machine |
| 09/17/2002 | US6450789 Method and apparatus for inspecting vanes in a rotary pump |
| 09/17/2002 | CA2084646C Postmix beverage dispensing system |
| 09/12/2002 | WO2002070899A1 Internal gear pump that does not contain any filler elements |
| 09/12/2002 | WO2002070898A1 Internal gear pump that does not contain any filler elements |