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)
01/2011
01/12/2011EP2271839A2 Low pressure pump
01/05/2011EP2145098B1 Novelty in electric fuel pumps for internal combustion engines
01/05/2011CN101939544A Device for dividing a flow equally between two or more objects
01/05/2011CN101939531A Electric fuel pump for heavy duty engine platforms
12/2010
12/29/2010CN201687704U Parallel hemisphere pendulum rotor pump
12/23/2010US20100322810 Pump assembly for synchronous pressurization of two fluid circuits
12/22/2010CN101922448A Multi-level combined pump
11/2010
11/25/2010WO2010112108A3 Screw spindle pump arrangement
11/17/2010EP1613862B1 Oil and vacuum pumps group for a motor vehicle engine
11/10/2010EP2247846A1 Electric fuel pump for heavy duty engine platforms
11/10/2010CN201627717U Two-way circulating pump and engine oil purification system
11/03/2010EP2245308A2 Fluid pump
10/2010
10/28/2010DE69601290C5 Kompakte elektrohydraulische Einheit Compact electro-hydraulic unit
10/20/2010EP2240694A1 Device for dividing a flow equally between two or more objects
10/14/2010US20100260638 Gear pump
10/13/2010CN101858346A 齿轮泵 Gear pumps
10/06/2010CN101855452A Pump assembly for synchronous pressurization of two fluid circuits
09/2010
09/22/2010CN1959115B Vehicular brake device
09/21/2010CA2514823C Gear pump
09/16/2010US20100233008 Rotary fluid machine
09/16/2010US20100230113 Multi-stage modulator
09/15/2010CN201582111U Triple low-pressure gear pump
09/10/2010WO2010063999A3 Drill string with modular motor units
09/02/2010WO2010098690A1 Oil-well screw pump driven from the wellhead
09/02/2010WO2010096924A1 Integrated electric vane oil pump
09/02/2010CA2753510A1 Integrated electric vane oil pump
08/2010
08/26/2010DE10305781B4 Mehrstufige Schmierölpumpe Multi-stage oil pump
08/25/2010EP2220373A1 Pump assembly for synchronous pressurization of two fluid circuits
08/25/2010CN101813086A Positive displacement pump and fluid machinery with said positive displacement pump
08/24/2010US7780427 Two-stage rotary compressor
08/19/2010WO2010092320A1 Pump
08/19/2010US20100209259 Evacuation apparatus
08/19/2010CA2751727A1 Pump
08/11/2010EP2216501A1 Pump
07/2010
07/22/2010WO2009149682A3 Motor-pump module
07/07/2010EP2203624A2 Oil well pump apparatus
06/2010
06/24/2010WO2010071497A1 Fuel pump arrangement and vehicle comprising a fuel pump arrangement
06/23/2010EP2199059A2 Extruder assembly comprising a gear pump and method of operating such an arrangement
06/23/2010EP2198126A1 Rotary internal combustion engine or pump
06/09/2010CN201502526U Multi-stage combined pump
06/03/2010WO2010062774A2 Supercharger system for motorized vehicles and related transportation
06/01/2010US7726950 Fluid supply unit having an integral pressure generator and pressure booster
05/2010
05/14/2010WO2010051640A1 Fully submerged integrated electric oil pump
05/14/2010CA2742148A1 Fully submerged integrated electric oil pump
05/12/2010DE102008056326A1 Hydro-transformer has main pump and booster pump, which is arranged in chamber of main pump housing with inner side and outer front side of chamber
05/06/2010US20100111742 Rotary positive displacement pump with magnetic coupling having integrated cooling system
04/2010
04/29/2010WO2009124536A3 Underwater delivery unit
04/27/2010US7704060 Compressor having muffler outlets orthogonally arranged relative to the suction mouth
04/27/2010US7704059 Compressor having a helmholtz type resonance chamber with a lowermost end connected to a gas passage
04/22/2010US20100098571 Pump Apparatus and Methods for Using Same
04/21/2010EP2177761A2 High-speed gear pump
04/08/2010US20100086417 Motor pump unit, in paticular for vehicle power steering
03/2010
03/31/2010CN201433892Y Wobble-plate press-suction piston pump
03/24/2010CN201428595Y Double variable quantity blade pump
03/24/2010CN201428594Y High and low voltage composite pump
03/24/2010CN101680403A Novelty in electric fuel pumps for internal combustion engines
03/23/2010US7682139 Motor and method of operating the same
03/11/2010DE102009038777A1 Rotationspumpe mit variabler Verdrängung Rotary pump with variable displacement
03/09/2010US7674100 Pump with conveying chamber formed in outer rotor surface
03/09/2010US7674095 Variable displacement vane pump with variable target regulator
02/2010
02/24/2010EP2156055A1 Pump assembly for synchronous pressurization of two fluid columns
02/03/2010EP2149707A2 Fuel pumping system
01/2010
01/20/2010EP2145098A1 Novelty in electric fuel pumps for internal combustion engines
01/05/2010US7641454 Two-stage rotary compressor
12/2009
12/16/2009EP2132410A1 Dual-plate swash pump
12/10/2009WO2009146714A1 A pumping system and a method for pumping fluids
12/10/2009CA2726701A1 A pumping system and a method for pumping fluids
12/02/2009EP2128446A2 Hydraulic unit
11/2009
11/19/2009WO2009138143A1 Compressor device
11/18/2009EP2117397A2 Flexible impeller pumps for mixing individual components
11/18/2009CN201347857Y Double-power magnetically-driven pump
11/05/2009WO2009090132A3 Fluid pump
10/2009
10/15/2009CA2721015A1 Underwater delivery unit
10/13/2009US7600986 Filtering device for multistage compression type rotary compressor
10/01/2009WO2009117993A2 Low pressure pump
10/01/2009DE102008016293A1 Niederdruckpumpe Low-pressure pump
09/2009
09/24/2009WO2009116101A1 Integral motor- pump assembly
08/2009
08/19/2009CN100529402C Symmetrical form cavity pressurization and reclamation combination pump
08/19/2009CN100529401C 机动泵 Motorized pump
08/13/2009WO2009098352A1 Device for dividing a flow equally between two or more objects
08/13/2009CA2712091A1 Device for dividing a flow equally between two or more objects
08/05/2009EP2085616A1 Combined scavenging roots pump and feed pump
08/05/2009EP2084405A1 Rotary positive displacement pump with magnetic coupling having integrated cooling system
07/2009
07/23/2009WO2009091344A1 Electric fuel pump for heavy duty engine platforms
07/23/2009WO2009090132A2 Fluid pump
07/15/2009EP2078859A2 Electric pump
06/2009
06/30/2009US7553138 Rotary screw machine of volume type and method of transforming a motion in a volume screw machine
06/25/2009US20090159617 Hot Melt Adhesive Metering Pump Assembly with Integral Reservoir Tank
06/24/2009CN100503491C Device for thickening or dewatering sludge, watery, sediments or the like, espeically surplus sludge in sewage treantment plants
06/04/2009WO2009068256A1 Electrohydraulic motor-pump aggregate
06/02/2009US7540728 Method of transforming a motion in a volume screw machine of rotary type and rotary screw machine
05/2009
05/22/2009WO2009062783A1 Pump assembly for synchronous pressurization of two fluid circuits
05/20/2009DE102007054808A1 Pumpenbaugruppe zur synchronen Druckbeaufschlagung von zwei Fluidkreisen Pump assembly for synchronous pressurization of two fluid circuits
05/14/2009US20090123316 Gear pump
04/2009
04/22/2009CN101413503A Two component metering pump assembly
04/21/2009US7520733 Multistage compression type rotary compressor
04/15/2009CN100478570C Rotary screw machine and method of transforming a motion in such a machine
04/08/2009EP2045060A1 Two component metering pump assembly
04/01/2009EP2042737A2 Pressure recovery system
04/01/2009CN100473834C Rotary screw machine and method for transforming a motion in the same
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