| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
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| 12/10/2014 | CN102741559B 微流体设备 Microfluidic devices |
| 12/10/2014 | CN101922426B 用于高压液态货物的货物处理系统 Goods for high pressure liquid cargo handling system |
| 12/09/2014 | US8905725 Water-powered pump actuation system |
| 12/09/2014 | US8904917 Fluid power helical rotary actuator |
| 12/02/2014 | US8899279 Method for compressing gaseous fuel for fuelling vehicle and device for implementation thereof |
| 11/18/2014 | US8888469 Pump with an elastic membrane and hydraulic control |
| 11/18/2014 | US8887966 Elevator control for inductor pump |
| 11/11/2014 | US8882997 Wastewater treatment method and apparatus |
| 11/04/2014 | US8875781 Pumping assembly |
| 10/30/2014 | US20140322051 Multi-functional modular pump |
| 10/28/2014 | US8870553 Fluid working machine and method of operating a fluid working machine |
| 10/28/2014 | US8870463 Eccentric bearing |
| 10/23/2014 | US20140312074 Drive Mechanism for an Injection Device and a Method of Assembling an Injection Device Incorporating Such Drive Mechanism |
| 10/21/2014 | US8863646 Compression system having seal with magnetic coupling of pistons |
| 10/21/2014 | US8863644 Cam mechanism and liquid sending pump having same |
| 10/16/2014 | US20140308143 Plunger pump |
| 10/14/2014 | US8858189 Pumping device for sucking or draining fluid |
| 10/02/2014 | WO2014160727A1 Pressure intensification device |
| 10/02/2014 | US20140294636 Reciprocating compressor |
| 09/25/2014 | WO2014151315A1 Seal-less piston pump for liquefied gas |
| 09/25/2014 | US20140286796 Air pump with two pressure gauges for high/low pressure indication |
| 09/25/2014 | DE102014103679A1 Kurbelwelle für Brennkraftmaschine mit variablem Hubraum Crankshaft for internal combustion engine with variable capacity |
| 09/24/2014 | EP2781790A1 Energy generator |
| 09/24/2014 | EP2781745A1 Plunger pump |
| 09/24/2014 | EP2780592A2 Pump |
| 09/23/2014 | US8840377 Fluid compressor and motor vehicle refuelling apparatus |
| 09/18/2014 | US20140271262 Seal-less piston pump for liquefied gas |
| 09/18/2014 | US20140271254 Labor saving device for use with "t" handled air pumps |
| 09/16/2014 | US8834137 Primer bulb |
| 09/15/2014 | CA2846032A1 Coaxial pumping apparatus with internal power fluid column |
| 09/15/2014 | CA2845370A1 Drive system for surface hydraulic accumulator |
| 09/12/2014 | WO2014136214A1 Hydraulic machine and regenerative energy power generation device |
| 09/12/2014 | WO2014135313A1 High-pressure pump for a fuel injection system |
| 09/11/2014 | US20140255227 Plunger assembly for a high-pressure fuel pump, and high-pressure fuel pump |
| 09/11/2014 | DE102013203902A1 Pumpe, insbesondere Kraftstoffpumpe Pump, particularly fuel pump |
| 09/11/2014 | DE102013203891A1 Hochdruckpumpe, insbesondere Kraftstoffhochdruckpumpe für eine Brennkraftmaschine High-pressure pump, in particular high-pressure fuel pump for an internal combustion engine |
| 09/09/2014 | US8826800 Reciprocating piston mechanism with extended piston offset |
| 09/04/2014 | US20140249683 Method and device for regulating fluid pump pressures |
| 09/04/2014 | DE102013102806B4 Vorrichtung zur Förderung liquider Medien sowie Taucheinheit mit Spalt zwischen Gewichtseinheit und Gehäuse Device for conveying liquid media and Diving Unit with gap between weight and Enclosure |
| 09/03/2014 | EP2771572A2 Volumetric pressure exchanger for a seawater desalination plant and desalination plant |
| 09/02/2014 | CA2569117C Alternative methods to generate high pressure by iteration in a high-pressure multichamber |
| 08/28/2014 | WO2014127912A2 Pump assembly for pumping a fluid lubricant |
| 08/28/2014 | US20140241913 Hydraulic relief and switching logic for cryogenic pump system |
| 08/28/2014 | US20140241911 Leaf spring and compressor with leaf spring |
| 08/26/2014 | US8815088 Dialysis fluid pump, and hemodialysis apparatus having same |
| 08/19/2014 | CA2630446C System and method for determining onset of failure modes in a positive displacement pump |
| 08/14/2014 | WO2014121399A1 Inflatable device and inflator system |
| 08/14/2014 | US20140227110 Diaphragm Pump with Automatic Priming Function |
| 08/13/2014 | CN203770051U 一种水动力注液器 A water power injector |
| 08/13/2014 | CN203770050U 手动水泵 Hand pumps |
| 08/13/2014 | CN203770049U 一种基于翻斗式柴油机应用的搅拌拖泵 Skip diesel applications based on mixing Tuobeng |
| 08/13/2014 | CN203770048U 一种泵头压紧机构 One kind of pump head pressing mechanism |
| 08/13/2014 | CN203770014U 利用水波浪力发电的系统装置 The use of the system unit power generation water wave |
| 08/13/2014 | CN103982411A 锁缸方法和装置、及混凝土泵 Lock cylinder method and apparatus and concrete pump |
| 08/13/2014 | CN103982389A 多液高精度无级配比同步注浆泵 Stepless high-precision multi-liquid ratio synchronous injection pump |
| 08/13/2014 | CN103982388A 一种手动型液压泵 A manual hydraulic pump |
| 08/13/2014 | CN103982387A 一种采用旋转窗口配油的端面凸轮驱动式向柱塞泵 One kind of rotary window with oil to face cam-driven piston pumps |
| 08/13/2014 | CN102146992B 凸轮机构以及具有凸轮机构的送液泵 Cam mechanism and the feed pump having a cam mechanism |
| 08/13/2014 | CA2805565A1 Hydraulic system |
| 08/12/2014 | US8800821 Disposable low-cost pump in a container for liquid color dispensing |
| 08/12/2014 | CA2547044C Severable piston pump |
| 08/07/2014 | US20140219824 Pump system and method thereof |
| 08/07/2014 | DE10235478B4 Kraftstoffzuführvorrichtung mit einer Struktur zum Verhindern der Drehung eines Stößels A fuel supply apparatus with a structure for preventing the rotation of a tappet |
| 08/06/2014 | EP2761180A2 Positive displacement pump and operating method thereof |
| 08/06/2014 | CN103967734A 一种气动计量泵 One kind of pneumatic metering pumps |
| 08/06/2014 | CN103967733A 一种精密计量陶瓷柱塞注液泵 A precision measurement of ceramic plunger injection pump |
| 08/06/2014 | CN101965274B 力操纵式调节装置的液压组件 Force-actuated device to adjust the hydraulic assembly |
| 07/30/2014 | CN203742927U 液压推动往复式双缸泵 Hydraulic push cylinder reciprocating pump |
| 07/30/2014 | CN203742919U 多功能交替踩踏泵 Multifunction alternately pump stampede |
| 07/30/2014 | CN203742918U 一种人工弹性囊虹吸泵 An artificial elastic bladder siphon pump |
| 07/29/2014 | US8790093 Compressor having a clutch device |
| 07/29/2014 | CA2617202C Vacuum release mechanism |
| 07/24/2014 | US20140205474 Hydrogen storage container |
| 07/23/2014 | EP2757262A1 Hydraulic pump, method for maintaining same, and wind power generation device |
| 07/23/2014 | CN203730232U 一种防偏磨导向装置及砂浆泵 An anti eccentric wear guides and mortar pump |
| 07/23/2014 | CN203730230U 一种工作频率可调的外啮合柱塞泵 One of the working frequency is adjustable external gear piston |
| 07/23/2014 | CN103946544A 泵 Pump |
| 07/23/2014 | CN103939314A 高压式双联深井潜水手动泵 High-pressure double-deep well submersible pumps manually |
| 07/23/2014 | CN103939313A 手动二级快速输油泵 Manual two quick pump |
| 07/17/2014 | US20140199195 Cylinder assembly and dispenser pump using the same |
| 07/17/2014 | DE102013200366A1 Hydraulikaggregat einer Fahrzeugbremsanlage mit einem Exzenterantrieb Hydraulic power unit of a vehicle brake system with an eccentric |
| 07/16/2014 | CN203717329U 手压滤水泵 Hand pressure filtration pump |
| 07/16/2014 | CN203717327U 卡车液压系统双向控制电手动一体柱塞泵 Truck hydraulic system integrated bidirectional control electric manual piston pump |
| 07/16/2014 | CN203717267U 带有双出液阀的手动式抽油泵 Manual valve with double the liquid pump |
| 07/16/2014 | CN203717266U 一种基于plc控制的气压驱动式高压泥浆泵 Based plc controlled pneumatic driven high pressure mud pump |
| 07/16/2014 | CN203717265U 一种活塞式输油泵 One kind of piston pump |
| 07/16/2014 | CN203717264U 卡车驾驶室举升系统电动手动一体化液压柱塞泵 Electric hand truck cab lift system integrated hydraulic piston pump |
| 07/16/2014 | CN103925184A 一种自由活塞式油泵 A free-piston pump |
| 07/10/2014 | DE102012103643B4 Handpumpen-Gasdurchflusskanalanordnung für eine Flüssigkeitsansaug- und -ausgabevorrichtung Hand pump gas flow channel arrangement for a liquid suction and dispensing |
| 07/09/2014 | DE202014102884U1 Flüssigkeitsschöpfvorrichtung Liquid suction device |
| 07/09/2014 | CN203702540U 立式往复泵润滑装置 Vertical reciprocating pump lubrication device |
| 07/09/2014 | CN203702478U 气动泵泵浦动力机构 Pneumatic pumps pumping power sector |
| 07/09/2014 | CN203702477U 一种工程机械制动系统空气加力泵 An engineering mechanical brake system air afterburner pump |
| 07/09/2014 | CN203702476U 注水泵 Injection pump |
| 07/09/2014 | CN203702475U 一种液压驱动型立式柱塞泵 A hydraulic piston-driven vertical |
| 07/09/2014 | CN102635528B 海水泵 Sea water pump |
| 07/08/2014 | US8770950 Pump device for the hydraulic actuation of a valve |
| 07/08/2014 | US8770947 Pumping device |
| 07/02/2014 | CN203685508U 一种新型沼气池抽液泵 A new pumping pump digesters |
| 07/02/2014 | CN203685507U 一种新型可控改压除气泡装置 A new addition to the bubble device controllable pressure change |