Patents for F04C 2 - Rotary-piston machines or pumps (14,296)
11/1996
11/05/1996US5571005 Hinged vane rotary pump
10/1996
10/31/1996WO1996034180A1 Rotary vane pump
10/31/1996CA2225862A1 Rotary vane pump
10/29/1996US5569024 Pump for delivering hot, corrosive media
10/24/1996WO1996033339A1 Rotary pump with single resilient vane
10/24/1996DE19513822A1 Einrichtung zum Fördern von Kraftstoff aus einem Vorratstank zu einer Brennkraftmaschine eines Kraftfahrzeuges Means for feeding fuel from a storage tank to an internal combustion engine of a motor vehicle
10/23/1996CN1133944A Screw pump for conveying flowable material
10/22/1996US5567140 Keyed insert plate for curved rotary lobe pump chamber walls
10/20/1996CA2174586A1 Methods and apparatus for monitoring progressive cavity pumps
10/17/1996WO1996032590A1 Rotary pump
10/17/1996WO1996032570A1 Water-cooled diesel engine oil system
10/17/1996DE19614562A1 Schraubenpumpe Screw pump
10/16/1996EP0737812A1 Gear pump
10/16/1996EP0617753B1 Rotary piston pump
10/16/1996CN1133399A Non-round internal engaged gear turning multi-purpose pump
10/14/1996CA2174032A1 Dual pitch multiphase screw pump
10/10/1996WO1996031701A1 Positive displacement hydraulic machines
10/10/1996WO1996031700A1 Positive displacement hydraulic machine
10/09/1996EP0736691A1 Internal gear pump with radial supply conduits
10/09/1996EP0736128A1 Downhole motor for a drilling apparatus
10/08/1996US5562432 Variable displacement pump having throttled control passages
10/08/1996US5562429 Pulse dampener and fuel pump having same
10/03/1996WO1996030410A1 Method of producing solutions of cellulose in water-containing tertiary-amin-n-oxides
09/1996
09/26/1996DE19510348A1 Rotary-piston engine with commutator and slotted control disc
09/26/1996DE19510079A1 Toothed belt pump with rotary, centre shaft
09/25/1996CN1131731A Valve train with suction-controlled ring gear/internal gear pump
09/24/1996US5558511 Sliding vane machine having vane guides and inlet opening regulation
09/24/1996US5558116 Metering cap
09/19/1996DE19532226C1 Internal gear pump without filler piece
09/19/1996DE19509504A1 Electrically measurable physical fluid parameter control and regulation appts.
09/18/1996CN1131237A Variable paddle pump-motor
09/18/1996CN1131236A Sealing electric compression engine
09/12/1996WO1996027399A1 Device of the controlled injection of a programmable quantity of liquid
09/11/1996EP0731276A2 Toothed wheel for gear pump
09/11/1996CN2235036Y Orchard spray pump
09/10/1996US5554020 Solid lubricant coating for fluid pump or compressor
09/10/1996US5554019 Compact gerotor pump
09/10/1996US5553742 Fluid feed apparatus and method
09/05/1996DE19507545A1 Hydraulic motor or pump of displacement type
09/04/1996CN1130416A Pump with twin cylindrical impellers
09/04/1996CN1130240A Volume pump or compressor sliding-vane
09/03/1996US5551854 Non-contact vane-type fluid displacement machine with consilidated vane guide assembly
08/1996
08/28/1996CN2234002Y Circular flow scraper oil pump
08/27/1996US5549465 Drive arrangement for progressing cavity pump
08/27/1996US5549464 Drive arrangement for progressing cavity pump
08/22/1996DE19603930A1 Fuel pump for automotive vehicles
08/21/1996EP0727581A1 Screw rotor pump
08/21/1996CN1129288A Swingrolling vane pump
08/21/1996CN1129287A Stud gear mechanism
08/20/1996US5547356 Gear pump and method of using same
08/20/1996US5547349 Oil pump system
08/14/1996EP0725901A1 Internally geared machine
08/13/1996US5545018 Variable displacement vane pump having floating ring seal
08/13/1996US5545014 Variable displacement vane pump, component parts and method
08/01/1996DE19502173A1 Screw pump for operation independently of direction of rotation
07/1996
07/30/1996US5540573 Sickleless internal gear pump having sealing elements in tooth heads
07/30/1996US5540569 Multiple-chamber gear pump for ink jet printing
07/25/1996DE19501514A1 Spiralled rotor for pump on motor
07/25/1996DE19501498A1 Hydraulic combustion machine for continuously converting mechanical rotation into pressure energy of head of fluid and vice versa
07/24/1996EP0723081A1 Anger pump for conveying fluid material
07/18/1996DE19500542A1 Rotary piston pump with constant length slider
07/17/1996CN1126802A Oil pump
07/16/1996US5536215 Hydraulic coupling for vehicle drivetrain
07/10/1996CN2230833Y Gear pump with pressure bearing inlet
07/04/1996DE4447228A1 Impeller pump for conveying materials of low flowability without damage
07/03/1996CN1125822A 叶片泵 Vane pump
06/1996
06/26/1996EP0718497A1 Vane pump
06/19/1996CN2229556Y Self-priming screw rod electric pump
06/19/1996CN2229555Y Internal gearing rotary pump
06/19/1996CN2229554Y Rotary fluid pump
06/12/1996EP0653021B1 Pair of conveyor worms for rotary positive-displacement pumps
06/12/1996CN1124331A Pump
06/11/1996US5525048 Cantilever armature mount for fuel pumps
06/09/1996CA2137598A1 Oscillating arm pump or rotary compressor
06/05/1996EP0715078A2 Gear Pump
06/05/1996CN2228664Y Dial-imitated electronic time-piece
06/04/1996US5522714 Driving mechanism for driving a gear pump for forcing a highly viscous resin
05/1996
05/30/1996DE19542653A1 Steuervorrichtung für die Fördermenge der Hydraulikpumpe eines Automatikgetriebes A control device for the delivery rate of the hydraulic pump of an automatic transmission
05/29/1996EP0713974A1 Moineau pump
05/29/1996EP0713973A1 Lubricant pump
05/29/1996CN2228146Y Infinitely variable gear pump
05/29/1996CN1123371A Dry screw fluid machine
05/29/1996CN1123370A Wear resistant pump
05/29/1996CN1123369A Gear pump or motor
05/29/1996CN1123368A Closed electric driven compressor
05/23/1996DE4441259A1 High=pressure cleaning machine
05/22/1996EP0712997A2 Valve control with suction regulated internal gear pump
05/22/1996CN1123049A Spinning pump for polyamides
05/21/1996US5519078 Molding materials of fluoropolymers
05/21/1996US5518380 Variable displacement pump having a changeover value for a pressure chamber
05/21/1996US5518379 For rotating a tool
05/15/1996CN2227216Y Eccentric rolling rotor compression engine
05/14/1996US5516268 Rotary fluid pressure device
05/09/1996WO1996013665A1 Vane pump
05/09/1996DE4439265A1 High performance hydraulically driven differential gearbox
05/09/1996DE19504775A1 Annular contour of cam plate of vane cell pump
05/08/1996EP0537146B1 Rotary disc pump
05/07/1996US5513969 Rotary piston machine having engaging cycloidal gears
05/07/1996US5513960 Rotary-vane pump with improved discharge rate control means
05/02/1996WO1996012893A1 Moineau pump