| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 03/07/2001 | EP1080867A2 Method for dosed distribution of a strand formed from a viscous material and metering pump for carrying out said method |
| 03/07/2001 | CN2422467Y Structure-improved oil pressure pump |
| 03/06/2001 | US6196814 Positive displacement pump rotatable in opposite directions |
| 03/06/2001 | US6195990 Hydraulic machine comprising dual gerotors |
| 03/06/2001 | US6195889 Method to set slot width in a rotary compressor |
| 03/01/2001 | DE19940730A1 Außenzahnradpumpe External gear pump |
| 02/28/2001 | EP1079104A1 Improved hydraulic and/or wind generator |
| 02/28/2001 | EP1078888A2 Device for thickening or dewatering sludge, specially excess sludge from wastewater plants |
| 02/28/2001 | CN1062645C Spinning pump for polyamides |
| 02/27/2001 | US6193490 Hydraulic motor valve with integral case drain |
| 02/22/2001 | WO2001012991A1 Dual lobe, split ring, variable roller vane pump |
| 02/21/2001 | CN2420444Y High vacuum blade pump with auxiliary pump |
| 02/21/2001 | CN2420443Y Double axial seal compensating high pressure gear pump |
| 02/21/2001 | CN1284607A Hydraulic double-blade pump and its motor |
| 02/20/2001 | US6190149 Vacuum pump oil distribution system with integral oil pump |
| 02/20/2001 | US6189411 Rear end gear pump |
| 02/13/2001 | US6186757 Internal-gear machine |
| 02/07/2001 | EP1074741A1 Cartridge vane pump with dual side fluid feed and single side inlet |
| 02/07/2001 | EP1074740A1 Hydrostatic rotary piston machine |
| 02/07/2001 | EP1074739A1 Hydrostatic rotary piston machine |
| 02/07/2001 | EP1073826A1 Hydraulic motor plates |
| 02/07/2001 | CN2418275Y Self-suction type rotor pump |
| 02/07/2001 | CN2418274Y 行星转子泵 Planetary rotor pump |
| 02/07/2001 | CN1061741C Elliptical-rotor single-screw pump |
| 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 |
| 02/01/2001 | WO2001007759A1 Seal and sealing method for a fluid flow device |
| 01/31/2001 | EP1071866A1 Multi-plate hydraulic motor valve |
| 01/31/2001 | EP1071519A1 Segmented metering die for hot melt adhesives or other polymer melts |
| 01/30/2001 | US6179596 Micromotor and micropump |
| 01/30/2001 | US6179595 Hydraulic gear machine having a transmission shaft in a bearing tube |
| 01/30/2001 | US6179581 Pump connection to drive shaft |
| 01/25/2001 | WO2001006127A1 Reversible vane pump and motor |
| 01/25/2001 | WO2001006095A2 High efficiency turbine |
| 01/25/2001 | CA2379761A1 High efficiency turbine |
| 01/24/2001 | EP1070847A2 Hydraulic gerotor motor and parking brake |
| 01/23/2001 | US6176800 Hydraulic coupling for vehicle drivetrain |
| 01/23/2001 | US6176694 Double screw rotor assembly |
| 01/23/2001 | US6176687 Resonator for rotary compressor |
| 01/18/2001 | DE19930910C1 Innenzahnradpumpe für Reversierbetrieb im geschlossenen hydraulischen Kreislauf Internal gear pump for reversing the closed hydraulic circuit |
| 01/17/2001 | EP1055053A4 Lubrication system for hydraulic pumps |
| 01/17/2001 | CN2415177Y 旋转活塞泵 Rotary piston pump |
| 01/11/2001 | WO2001002730A1 Internal gear machine for reversed operation in a closed hydraulic circuit |
| 01/11/2001 | WO2001002729A1 Axial compensation in an inner geared pump for a closed circuit |
| 01/11/2001 | WO2000009888A3 Pump |
| 01/10/2001 | CN2414225Y Circular moved piston gearing device |
| 01/10/2001 | CN2414224Y Eccentric power piston device |
| 01/09/2001 | US6171089 External gear pump with drive gear seal |
| 01/09/2001 | US6171076 Hermetic compressor assembly having a suction chamber and twin axially disposed discharge chambers |
| 01/09/2001 | US6170572 Progressing cavity pump production tubing having permanent rotor bearings/core centering bearings |
| 01/04/2001 | WO2000019067A9 Lubrication system for hydraulic pumps |
| 01/03/2001 | EP1065382A2 Rotor for oil gear pump made from aluminium powder |
| 01/03/2001 | CN2413061Y Inside engaged cycloidal gear pump |
| 01/02/2001 | US6168405 Wankel type pump for transporting fluid with entrained particulate matter |
| 01/02/2001 | US6168401 Hydraulic conveying device |
| 01/02/2001 | US6168391 Oil pump apparatus |
| 01/02/2001 | US6167907 Power transfer pump |
| 12/28/2000 | WO2000079224A1 Dosing device adapted for dispensing a concentrate from a holder in a metered manner |
| 12/28/2000 | WO2000079223A2 Dosing device adapted for dispensing a concentrate from a holder in a metered manner |
| 12/28/2000 | WO2000079132A2 Downhole roller vane pump |
| 12/28/2000 | DE19927315A1 Pin joint for eccentric screw pump; has cylindrical bolt with at least two glued bolt parts in bore in inner joint head spaced from head end and penetrating head end of outer joint head |
| 12/27/2000 | EP1062429A1 Sealing system for a gear pump for high-viscosity rubber, polymer, materials and similar products to be pumped |
| 12/27/2000 | CN1278188A Rotary pump with hydrodynamically suspended impeller |
| 12/26/2000 | US6164944 Random error generation of tooth index to eliminate pump noise |
| 12/26/2000 | US6164943 Internal geared wheel pump without crescent-shaped [sickle] piece |
| 12/26/2000 | US6164939 Scroll pump |
| 12/26/2000 | US6164928 Pump with openable seal |
| 12/26/2000 | CA2027994C Vehicle suspension system |
| 12/21/2000 | WO2000077419A1 A gear and a fluid machine with a pair of gears |
| 12/21/2000 | DE10026694A1 Pumpe mit progressiven Kammern mit Verbundstator und Verfahern zu ihrer Herstellung Pump with progressive Chambers of Verbundstator and Verfahern for their preparation |
| 12/20/2000 | CN2411360Y Coaxial multiple output end combined pump |
| 12/20/2000 | CN1277327A Rotary compressor |
| 12/20/2000 | CN1277326A Gear and fluid machine with gear pair |
| 12/20/2000 | CN1277325A Fluid pump with rotating-vane rotor |
| 12/19/2000 | US6162032 Elastomeric stator for eccentric spiral pumps |
| 12/13/2000 | EP1058788A1 Hydrostatic pump or engine with infinitely variable debit or impulse |
| 12/13/2000 | CN1276853A Downhole roller vane motor and roller vane pump |
| 12/13/2000 | CN1276852A 低噪音抽吸泵 Low noise suction pump |
| 12/13/2000 | CN1276479A Rotation-type compressor |
| 12/12/2000 | US6158997 Gear pump |
| 12/12/2000 | US6158996 Screw rotor set |
| 12/12/2000 | US6158993 Hydraulic motor |
| 12/12/2000 | US6158992 Rotary pump having a substantially triangular rotor |
| 12/12/2000 | US6158988 Method of producing elastomeric stators for eccentric spiral pumps |
| 12/07/2000 | WO2000073627A1 Fluid rotary machine |
| 12/07/2000 | WO2000057062B1 Pump for generating pressure or negative pressure |
| 12/06/2000 | EP1058007A2 Gerotor motor and brake assembly |
| 12/06/2000 | EP1056929A1 Rotary-piston machine |
| 12/05/2000 | US6155808 Hydraulic motor plates |
| 12/05/2000 | US6155807 Eccentric worm pump |
| 12/05/2000 | US6155797 Variable displacement pump |
| 11/30/2000 | WO2000071853A1 Hydraulic motor with pressure compensating manifold |
| 11/29/2000 | EP1055819A1 Hydraulic gear pump |
| 11/29/2000 | EP1055053A2 Lubrication system for hydraulic pumps |
| 11/29/2000 | CN2408267Y Variable hydraulic gear pump |
| 11/29/2000 | CN2408266Y Multiple stage reverse disc turbine fluid high pressure pump |
| 11/29/2000 | CN1274806A Combined self-lubricating unloading rotating machine with eccentric shaft |
| 11/29/2000 | CN1059019C Swing vane-type pump |
| 11/29/2000 | CN1059018C Pendulum rotary vane pump |