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 11 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
Patents for F04C 11 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations (1,800)
12/2003
12/23/2003US6666666 Multi-chamber positive displacement fluid device
12/18/2003WO2003040565A3 Continuous-flow pump and stepless speed change drive
12/11/2003WO2003102420A1 Gear pump
12/11/2003WO2003102417A1 Four-in pump
12/11/2003DE10248933C1 Electrically-driven internal cogwheel pump has casing screening stator of electric motor from internally toothed hollow wheel and cooperating externally toothed wheel pressed against bearing pin for latter
12/09/2003US6659728 Liquid dispensing pump system
12/04/2003WO2003100257A1 Multi-chamber positive displacement fluid device
12/04/2003US20030223896 Multi-chamber positive displacement fluid device
11/2003
11/27/2003WO2003098016A1 Rotary engine with counter-rotating housing and crankshaft
11/25/2003US6652249 Brushless DC wet motor fuel pump with integral controller
11/20/2003US20030213460 Rotary engine with counter-rotating housing and output shaft mounted on stationary spindle
11/11/2003US6643927 Pump equipment with plural rotary pumps and method for assembling same
11/05/2003CN1453476A Refrigerating pump
11/04/2003US6641372 Dual discharge hydraulic pump and system therefor
10/2003
10/30/2003WO2003036094A3 Vacuum pump
10/30/2003US20030202891 Refrigerant pump
10/29/2003EP1356206A2 Method for maintaining a constant output variable of a feed pump, e.g. the displaced volume thereof which is actuated by a speed variable drive device, and a device for carrying out said method
10/29/2003EP1210519B1 Gear pump with a drive and a hydraulic tank
10/23/2003WO2003087576A1 Hydraulic pump, particularly for a power-assisted steering system
10/09/2003WO2003083311A2 Motor pump
10/09/2003WO2003083265A1 Sliding face non-contact high-gastightness seal-less rotary pump
10/02/2003US20030185687 Hydraulic system comprising a main pump and a precompression pump
10/01/2003EP1348869A1 Electric pump apparatus
09/2003
09/25/2003US20030180163 Motor/pump assembly for use in a braking device
09/23/2003US6623261 Single-degree-of-freedom controlled-clearance univane™ fluid-handling machine
09/16/2003US6619761 Pump equipment with plural rotary pumps and method for assembling same
09/12/2003WO2003074876A1 Gear pump
09/09/2003US6616433 Fluid pump
09/03/2003EP1341290A1 Motor-pump assembly, in particular vehicle braking system
09/03/2003EP1340915A2 Pump device and reservoir
09/02/2003US6612822 Hydraulic motor system
09/02/2003CA2070477C Gear pump for oil for an internal-combustion engine, in particular for motor vehicles
08/2003
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
08/27/2003CN1438133A Motor-vehicle airconditioner using mixed compressor
08/20/2003EP0943056B1 Motor pump unit
08/13/2003EP1200738B1 A pumping arrangement for pumping a liquid product from a tank or container
08/13/2003CN1117926C Motor-driven hydraulic pump
08/07/2003US20030147758 Oil pump and gears
08/05/2003US6602971 Process and device for pressurizing flowable reaction components
07/2003
07/31/2003US20030140900 Bypass/leakage cooling of electric pump
07/30/2003EP1331115A2 Vehicle air conditioner using a hybrid compressor
07/24/2003US20030136138 Vehicle air conditioner using a hybrid compressor
07/23/2003CN1432106A Portable hydraulic pump unit
07/23/2003CN1115490C Two-stage centrifugal compressor
07/17/2003WO2003058068A1 Orbital fluid pump
07/16/2003EP1327543A1 Power generation and actuating system
07/16/2003EP1327077A1 Hydraulic vane pump
07/15/2003US6592191 Pump equipment and method for assembling same
07/10/2003WO2003056180A1 Pump
07/10/2003US20030129068 Pump mount using sanitary flange clamp
07/08/2003US6589025 Oil pump structure of an engine
07/01/2003US6585923 Extrusion method and extruder
07/01/2003US6585498 Motor-pump unit with pump shaft pinion enmeshed with motor rotor
06/2003
06/18/2003EP1319831A2 High pressure fuel pump having integrated vane feed pump
06/17/2003US6579070 Pump assembly comprising two hydraulic pumps
06/12/2003WO2003000603A3 Device for thickening or dewatering sludge, watery sediments or the like, especially surplus sludge in sewage treatment plants
06/11/2003EP1317790A2 Liquid-cooled electromotor
06/11/2003EP1317624A1 Hydraulic system comprising a main pump and a precompression pump
06/03/2003US6572339 Positive displacement fluid pump having improved fill characteristics
05/2003
05/22/2003US20030094199 System and method for pumping high-viscous fluids through heat exchangers
05/22/2003US20030094197 System for injecting fuel into a turbomachine
05/21/2003EP1312779A1 Fuel injection system for turbomachines
05/20/2003US6565328 Self aligning cartridge pump
05/15/2003WO2003040565A2 Continuous-flow pump and stepless speed change drive
05/15/2003WO2001096742B1 Portable hydraulic pump unit
05/15/2003US20030091442 Liquid dispensing pump system
05/13/2003US6561777 Downhole roller vane motor and roller vane pump
05/13/2003US6561768 Device for supplying liquids, in particular, fuel
05/01/2003WO2003036094A2 Vacuum pump
04/2003
04/29/2003US6553760 Control devices of a hydrostatic transmission
04/17/2003US20030072666 Support apparatus for movable member and pump apparatus
04/17/2003US20030070879 Submerged electric fluid pump
04/17/2003US20030070429 Hydrostatic transmission
04/16/2003EP1302704A2 Submerged electric fluid pump
04/16/2003EP1301695A1 Method for operating a turbomachine and corresponding turbomachine
04/15/2003US6547542 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
04/03/2003WO2002097273A3 Pump having a temperature-dependent delivery volume
04/02/2003CN1407234A Exhaust valve of compressor
04/01/2003US6540493 Series for gear pumps with differing capacities and method for manufacturing the individual gear pump of the series
03/2003
03/25/2003US6537043 Compressor discharge valve having a contoured body with a uniform thickness
03/20/2003WO2002077416A3 Center driven pressure clamped pump
03/12/2003EP1291529A2 Compressor discharge valve
03/12/2003EP1290344A1 Portable hydraulic pump unit
03/06/2003US20030044296 Compressor discharge valve
03/05/2003CN1400393A Spiral compressor
02/2003
02/27/2003US20030037759 Pumping device for a lubricant of an internal-combustion engine
02/26/2003EP1286086A2 Hydrostatic transmission
02/21/2003CA2398866A1 Hydrostatic transmission
02/18/2003CA2270782C Cascaded progressing cavity pump system
02/12/2003EP1283331A1 Lubricant pump for combustion engine
02/06/2003WO2003010418A1 Single-degree-of-freedom controlled-clearance univanetm fluid-handling machine
02/06/2003US20030026722 Trochoid gear type fuel pump
01/2003
01/30/2003US20030021714 Screw compressor
01/30/2003US20030021713 Single-degree-of-freedom controlled-clearance univaneTM fluid-handling machine
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