Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 2 - Rotary-piston machines or pumps
Patents for F04C 2 - Rotary-piston machines or pumps (14,296)
09/2003
09/03/2003EP1340913A2 Gear pump
09/03/2003EP1340912A1 Internal gear machine with teeth clearance
09/03/2003CN1120286C Pump
09/03/2003CN1120251C Extrusion pump
09/02/2003US6612822 Hydraulic motor system
09/02/2003US6612821 Pump, in particular gear pump including ceramic gears and seal
09/02/2003CA2070477C Gear pump for oil for an internal-combustion engine, in particular for motor vehicles
08/2003
08/28/2003US20030161748 Internal gear pump that does not contain any filler elements
08/28/2003US20030161743 Fluid circulation path for motor pump
08/28/2003US20030161740 Liner for fluid pump motor
08/28/2003US20030161738 Fluid pump relief valve
08/28/2003US20030161736 Pump device unifying a reservoir and method for attaching the reservoir to the pump device
08/28/2003US20030161732 Overheat protection for fluid pump
08/28/2003US20030160527 Fluid barrier for motor rotor
08/28/2003US20030160525 Motor pump with balanced motor rotor
08/27/2003EP1338796A2 Moineau Pump
08/27/2003EP1005613B1 Low noise suction pump
08/26/2003US6609883 Rotary pump with hydrodynamically suspended impeller
08/21/2003WO2003069161A1 Variable-delivery rotary vane pump
08/21/2003WO2003069160A1 Controller/encoder synchronised rotary lobe pump
08/21/2003WO2003069127A1 Variable-delivery central-vane rotary pump, particularly for oil
08/20/2003EP1225019B1 Laminar polyolefine plastic material recycling installation
08/20/2003EP1016784B1 Internal gear pump
08/20/2003EP0943056B1 Motor pump unit
08/20/2003CN2567369Y Planetary gear pump
08/20/2003CN1118631C 旋转活塞泵 Rotary piston pump
08/20/2003CN1118630C Transition valve mechanism of gear rotor motor
08/14/2003WO2003067091A1 Fluid pump and motor
08/14/2003WO2003067030A2 Gerotor apparatus for a quasi-isothermal brayton cycle engine
08/14/2003US20030152474 Pump for conveying molten masses of polymers and elastomers
08/14/2003US20030150098 Method of removing stators from tubular stator housings
08/14/2003DE10202620C1 Förderpumpe Feed pump
08/14/2003CA2475229A1 Gerotor apparatus for a quasi-isothermal brayton cycle engine
08/13/2003EP1334816A1 Gear pump for conveying polymers and elastomers
08/13/2003EP1334265A1 Fluid power transfer device
08/13/2003CN2566014Y Transmission of hydraulic pump
08/13/2003CN1435571A Speed pressure compensation balanced impeller pump
08/13/2003CN1117926C Motor-driven hydraulic pump
08/12/2003US6604924 Positive-displacement pump
08/12/2003US6604922 Optimized fiber reinforced liner material for positive displacement drilling motors
08/12/2003US6604921 Optimized liner thickness for positive displacement drilling motors
08/12/2003US6604913 Vane pump
08/07/2003WO2003064858A1 Hydraulic motor
08/07/2003US20030147765 Gear Pump
08/07/2003US20030147758 Oil pump and gears
08/06/2003EP1333178A1 Hydraulic gearwheel machine
08/06/2003EP1333151A2 Liner of optimized thickness for positive displacement drilling motors
08/06/2003CN2564779Y Non-engagement force gear pump
08/06/2003CN2564778Y Unit construction gear oil pump motor
08/06/2003CN1434911A Regulated pump
08/05/2003US6602971 Process and device for pressurizing flowable reaction components
07/2003
07/31/2003WO2003062640A1 Vane pump comprising a vane guide ring
07/31/2003WO2003061852A1 Method to rough size coated components for easy assembly
07/31/2003WO2002059482A8 An integral unit of a hydraulic brake/gerotor hydraulic motor a nd a control valve block
07/31/2003US20030143094 Stator for down hole drilling motor
07/31/2003US20030143091 Single piston dual chamber fuel pump
07/31/2003US20030140900 Bypass/leakage cooling of electric pump
07/29/2003US6599111 Vane pump having an intake groove through a side wall member
07/29/2003CA2088611C Pump
07/24/2003US20030138338 Optimized liner thickness for positive displacement drilling motors
07/24/2003US20030138330 Rotary vane pump
07/24/2003US20030136371 Energy efficient fluid pump system
07/23/2003EP1329635A1 Rotary pump
07/23/2003EP1328730A1 Internal geared wheel pump without a filler piece
07/23/2003EP1328729A1 Improved engine prelubrication pump assembly
07/23/2003EP1164249A4 Spherical positive-displacement rotary machine
07/23/2003CN2561964Y Double cam rotor blade pump
07/23/2003CN2561963Y 液化石油气泵 Liquefied petroleum gas pump
07/23/2003CN2561962Y Energy-saving rotor pumps
07/22/2003US6597883 Powder pump capable of effectively conveying powder and image forming apparatus using powder pump
07/17/2003WO2003058071A1 Device for pressure regulation of hydraulic pumps
07/17/2003WO2003058070A1 Hydraulic motor
07/17/2003WO2003058068A1 Orbital fluid pump
07/17/2003WO2001059259A3 Hydristor control means
07/17/2003US20030133820 Rotary pump having high and low pressure ports in the housing cover
07/16/2003EP1327778A2 Vane pump
07/16/2003EP1327077A1 Hydraulic vane pump
07/16/2003CN1430704A Reverse-running pump
07/15/2003US6592349 Method for the metered discharge of a string of a viscous medium and feedpump for discharging a string of a viscous medium
07/15/2003US6592348 Lubricant pump and method of producing
07/15/2003US6592191 Pump equipment and method for assembling same
07/10/2003WO2003056182A1 Machine with rotating pistons
07/10/2003WO2003056180A1 Pump
07/10/2003WO2003056179A1 Pump
07/09/2003EP1326023A2 Moineau Pump
07/09/2003CN1429180A Pumping arrangement for household water purifier
07/09/2003CN1428514A 旋转活塞机 Rotary piston machine
07/09/2003CN1114041C Infinitely variable ring gear pump
07/03/2003WO2003054393A1 Feed pump
07/03/2003US20030125157 Planetary gear system for controlling torque transfer in a vehicle driveline
07/03/2003US20030124013 Fluid pump mechanism for use in existing helical gearsets
07/03/2003US20030124012 Housing for accommodating a micropump
07/03/2003US20030124010 Rotary vane pump with vane wear access port and method
07/03/2003US20030123998 Oil pump for controlling planetary system torque
07/03/2003US20030121152 Methods for recreating fuel pump bearings
07/02/2003EP1323926A2 Pump
07/02/2003EP0977933B1 Fluid machine
07/02/2003CN2558790Y Impeller pump
07/02/2003CN1113152C Rotary-piston machine
07/01/2003US6585923 Extrusion method and extruder
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