| 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) |
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| 03/05/2015 | US20150064039 Fluid machine and rankine cycle |
| 03/04/2015 | EP2843232A1 Hydraulic rotating motor with pivotable control vanes |
| 02/26/2015 | WO2015025140A1 Distributor apparatus with a pair of intermeshing screw rotors |
| 02/24/2015 | US8961148 Unified variable displacement oil pump and vacuum pump |
| 02/24/2015 | US8960309 Oil well pump apparatus |
| 02/17/2015 | US8956128 Spherical expansion compressor adapted to variable working conditions |
| 02/05/2015 | US20150037188 Vane pump assembly |
| 02/04/2015 | CN204140387U 一种低噪变频离合变速泵 One kind of low-noise inverter variable speed pump clutch |
| 02/04/2015 | CN204140386U 太阳能螺杆潜水泵 Solar Screw Submersible Pump |
| 02/03/2015 | US8944793 Flow and pressure ripple reduction with advance dual gear and bearing face cut |
| 02/03/2015 | US8944792 Metering gear pump or segment, and metering gear pump assembly comprising a plurality of metering gear pumps or segments |
| 02/03/2015 | US8944779 Rotary lobe pump with angular gear |
| 01/29/2015 | US20150030485 Variable displacement rotary pump and displacement regulation method |
| 01/28/2015 | CN204126888U 一种液压电机齿轮泵 A hydraulic pump motor gear |
| 01/28/2015 | CN204126887U 泵 Pump |
| 01/21/2015 | CN204113646U 一种螺杆泵立式驱动装置 Provide a vertical screw drive |
| 01/21/2015 | CN204113644U 一种螺杆泵驱动装置 One kind of screw drive |
| 01/21/2015 | CN104302918A 多级油泵 Multistage Pump |
| 01/21/2015 | CN104302917A 多级油泵 Multistage Pump |
| 01/20/2015 | US8936448 Rotary compressor having main cylinder chamber and sub-cylinder chamber with an end plate received therein |
| 01/14/2015 | CN204099192U 电动液压动力装置 Electro-hydraulic power unit |
| 01/14/2015 | CN204099191U 一种液压马达驱动装置 A hydraulic motor driving device |
| 01/08/2015 | WO2015002577A1 Liquid distribution system |
| 01/07/2015 | CN204082535U 一种液体抽排装置 A liquid pumping device |
| 01/07/2015 | CN204082534U 一种电动液压动力装置 An electric hydraulic power unit |
| 01/07/2015 | CN104265628A 一种电动液压动力装置 An electric hydraulic power unit |
| 01/07/2015 | CN104265627A 电动液压动力装置 Electro-hydraulic power unit |
| 01/07/2015 | CN104265626A 内外转子共转式叶片泵 Total internal and external rotor rotary vane pump |
| 12/31/2014 | CN204061169U 一种带有漏液回收的涂料齿轮泵 A leakage recovery gear pump with paint |
| 12/31/2014 | CN204061166U 一种油墨抽送机组合泵 An ink pumping machine combination pump |
| 12/31/2014 | CN204061165U 高压燃油滚柱泵 High pressure fuel pump roller |
| 12/24/2014 | CN204041449U 一种电机高位软轴驱动的螺杆泵 A motor-driven screw shafts high |
| 12/24/2014 | CN204041448U 互不串油的三联齿轮马达泵 And do not string of triple gear oil pump motor |
| 12/24/2014 | CN204041447U 轴头式齿轮油泵 Axis head gear pumps |
| 12/24/2014 | CN204041446U 一种计量泵机组 A measure of pump unit |
| 12/24/2014 | CN104235013A 一种油墨抽送机组合泵 An ink pumping machine combination pump |
| 12/24/2014 | CN102472271B 电动泵单元 Electric pump unit |
| 12/17/2014 | CN104214089A 一种新型磁力齿轮泵 A new magnetic gear pump |
| 12/17/2014 | CN104214086A 一种新型齿轮泵 A new gear pump |
| 12/10/2014 | CN104196722A 一种电机高位软轴驱动的螺杆泵 A motor-driven screw shafts high |
| 12/10/2014 | CN104196719A 一种多级内啮合航空燃油齿轮泵 An aviation fuel meshing gear pump multistage |
| 11/27/2014 | US20140348683 Sealing system for gerotor apparatus |
| 11/04/2014 | US8876501 Electric pump unit |
| 11/04/2014 | US8875647 Operating method for an atomiser and a corresponding coating apparatus |
| 10/09/2014 | WO2014161700A1 Metering pump made of plastic |
| 10/09/2014 | US20140301877 Pump device for delivering a medium |
| 10/09/2014 | DE102014206577A1 Hydraulische Zahnradpumpe mit einstellbarer Fördermenge Hydraulic gear pump with adjustable flow |
| 10/07/2014 | US8851578 Rotary pump device and vehicle brake control system |
| 09/25/2014 | WO2014147588A1 Tandem electric pump |
| 09/23/2014 | US8840385 Positive displacement fluid pump |
| 09/18/2014 | WO2014143468A1 Toothed-lobed gear pump |
| 09/17/2014 | EP2778420A1 Method of estimating life of gear pump and rubber extrusion apparatus |
| 09/16/2014 | US8833334 Oil pump apparatus |
| 09/12/2014 | WO2014135202A1 Electric motor vehicle vacuum pump arrangement |
| 09/10/2014 | EP2773850A2 Pump device for delivering a medium |
| 09/09/2014 | US8827376 Double internal gear pump |
| 09/04/2014 | DE19918376B4 Pumpenvorrichtung mit einer Vielzahl von Drehkolbenpumpen und Verfahren zum Zusammenbauen der Pumpenvorrichtung A pump device with a plurality of rotary pumps and method of assembling the pump device |
| 08/28/2014 | US20140241926 Apparatus and Method for Oil Equalization in Multiple-Compressor Systems |
| 08/19/2014 | US8807973 Rotary-type 2-stage compressor |
| 08/19/2014 | US8807972 Housingless positive displacement pump assembly |
| 08/14/2014 | WO2014079888A3 High pressure pump with filler in a gallery connected to the pump outlet |
| 08/13/2014 | CN203770130U 侧驱式防反转螺杆泵驱动装置 Anti-reverse-side-drive screw drives |
| 08/13/2014 | CN102333955B 集成电动叶片油泵 Integrated electric pump vanes |
| 08/07/2014 | WO2014044440A3 Pump arrangement |
| 08/07/2014 | DE102013101029A1 Vorrichtung zur Bereitstellung eines flüssigen Additivs An apparatus for providing a liquid additive |
| 07/29/2014 | US8790097 Refrigerant compressor and heat pump apparatus |
| 07/24/2014 | DE102012002672B4 Registerpumpe Register pump |
| 07/23/2014 | EP2756195A1 Pump comprising an electric motor |
| 07/23/2014 | EP2756194A1 Gear pump and method for producing a gear pump |
| 07/17/2014 | US20140196447 Hydraulic circuit for transmissions |
| 07/16/2014 | EP2754895A1 Pump unit for a scavenging system |
| 07/16/2014 | CN203717334U 一种齿轮泵动力单元 A GEAR pump power unit |
| 07/16/2014 | CN103925211A 家用高压软轴潜水泵 Household high-pressure flexible shaft submersible pump |
| 07/16/2014 | CN103925210A 一种新型油气混输泵组 A new oil and gas multiphase pumps |
| 07/09/2014 | CN203702552U 一种水动力齿轮泵 A water-powered gear pump |
| 07/09/2014 | CN103917748A 用于输送介质的泵装置 Pump means for conveying medium |
| 07/02/2014 | CN203685563U 减速驱动型罗茨泵 Deceleration-driven Roots pump |
| 06/26/2014 | WO2014057649A3 Balanced Pressure Dual Pump |
| 06/26/2014 | US20140178231 Pump |
| 06/26/2014 | US20140178230 Pump |
| 06/26/2014 | DE102012112722A1 Pumpe Pump |
| 06/26/2014 | DE102012112721A1 Pump for oiling system in internal combustion engine or transmission of motor vehicle, has setter placed interior of pump part such that fluid flow from first fluid aperture to second fluid aperture is adjusted |
| 06/26/2014 | DE102012112720A1 Pumpe Pump |
| 06/25/2014 | EP2746585A1 Vacuum system |
| 06/25/2014 | CN103883521A 泵 Pump |
| 06/25/2014 | CN103883520A 偏心轴与电机直联的转子式潜水泵 Direct eccentric shaft and the motor rotor submersible pump |
| 06/19/2014 | WO2014093474A1 Compact integrated-drive pumps |
| 06/18/2014 | EP2742240A2 Rotary piston machine operating as a pump, a compressor or a motor |
| 06/18/2014 | CN203655628U 一种新型的自动软轴齿轮泵 A novel automatic gear pump Ruanzhou |
| 06/18/2014 | CN203655627U 循环液压机 Hydraulic cycle |
| 06/18/2014 | CN203655622U 一种新型微型水泵 A new miniature pumps |
| 06/12/2014 | DE102012112618B3 Mehrfachpumpe Multiple pump |
| 06/11/2014 | CN203641000U 一种液体输送装置 A liquid delivery device |
| 06/11/2014 | CN203640999U 断轴式三联齿轮泵 Off-axis triple gear pump |
| 06/11/2014 | CN103850710A Diesel engine transfer case power output device |
| 06/05/2014 | WO2014082953A2 Pump unit, particularly for motor vehicles |
| 06/05/2014 | DE102012111637A1 Pumpeneinheit, insbesondere für Kraftfahrzeuge Pump unit, particularly for motor vehicles |
| 06/04/2014 | EP2738427A1 Oil pressure circuit for transmissions |
| 06/03/2014 | US8740595 Gear pump |
| 05/29/2014 | US20140147294 Variable capacity compressor with line-start brushless permanent magnet motor |