| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 07/22/2014 | US8784067 Scroll type booster |
| 07/17/2014 | US20140199201 Compressor with rotating cam and sliding end vanes |
| 07/17/2014 | US20140199198 Internal gear pump |
| 07/17/2014 | US20140196447 Hydraulic circuit for transmissions |
| 07/17/2014 | DE10305809B4 Rotationspumpe Rotary pump |
| 07/17/2014 | DE102013100451A1 Rotor für Schnecken- und / oder Exzenterschneckenpumpen und Schnecken- oder Exzenterschneckenpumpe Rotor for screw and / or progressive cavity pumps and screw or eccentric screw pump |
| 07/16/2014 | EP2753778A2 Downhole motors and pumps with asymmetric lobes |
| 07/16/2014 | CN203718354U 齿轮油泵 Gear pumps |
| 07/16/2014 | CN203717334U 一种齿轮泵动力单元 A GEAR pump power unit |
| 07/16/2014 | CN203717333U 多作用式大排量斜齿轮油泵 Multi-action large displacement helical gear pump |
| 07/16/2014 | CN203717332U 一种阀控稳流、分流齿轮泵 One kind of valve-regulated steady flow, split the gear pump |
| 07/16/2014 | CN203717331U 油气混输泵的泵体 The pump oil and gas mixing pump |
| 07/16/2014 | CN203717232U 一种泵及马达的液压控制机构 A hydraulic control mechanism of the pump and the motor |
| 07/16/2014 | CN203716942U 一种螺杆泵采油装置 One kind of screw pump device |
| 07/16/2014 | CN103930676A 内齿轮泵 Internal gear pump |
| 07/16/2014 | CN103925209A 柴油机用分体式高压共轨输油泵总成 Split Common Rail diesel fuel pump assembly |
| 07/16/2014 | CN103920883A 精密粉末金属部件、组件和方法 Precision powder metal components, assemblies and methods |
| 07/15/2014 | US8777598 Stators for downwhole motors, methods for fabricating the same, and downhole motors incorporating the same |
| 07/15/2014 | US8777595 Rotary piston engine |
| 07/15/2014 | US8777572 Rotor blade |
| 07/10/2014 | WO2014106345A1 Twisted-type rotor pump |
| 07/10/2014 | DE102014100029A1 Flügelzellenpumpe Vane pump |
| 07/09/2014 | EP2751393A1 Lubricant vane pump |
| 07/09/2014 | CN203702552U 一种水动力齿轮泵 A water-powered gear pump |
| 07/09/2014 | CN203702551U 螺旋泵 Screw Pump |
| 07/09/2014 | CN203702550U 一种塑料制品加工用熔体泵 A plastic product processing melt pump |
| 07/09/2014 | CN203702549U 一种用于降低齿轮泵振动噪声的侧板 A gear pump vibration and noise reducing plates for |
| 07/09/2014 | CN203702548U 定排量内啮合齿轮泵结构 Gear pump structure within a given displacement |
| 07/09/2014 | CN203702547U 定排量内啮合齿轮泵 Fixed displacement gear pump |
| 07/09/2014 | CN203702546U 一种用于内啮合齿轮泵的耐磨防爆齿轮 An internal gear pump abrasion-proof gear |
| 07/09/2014 | CN203702545U 内啮合齿轮泵 Internal gear pump |
| 07/09/2014 | CN203702544U 椭圆非圆齿轮驱动的四叶片差速泵 Oval non-circular gear-driven four vane pump differential |
| 07/09/2014 | CN203702543U 正弦非圆齿轮驱动的八叶片差速泵 Sine non-circular gear drive eight vane pump differential |
| 07/09/2014 | CN203702542U 正弦非圆齿轮驱动的六叶片差速泵 Sine non-circular gear-driven six vane pump differential |
| 07/09/2014 | CN203702541U 正弦非圆齿轮驱动的四叶片差速泵 Sine non-circular gear-driven four vane pump differential |
| 07/09/2014 | CN103917785A 车辆用内啮合齿轮式油泵 Vehicles with internal gear-type oil pump |
| 07/09/2014 | CN103917784A 油泵转子 Pump rotor |
| 07/09/2014 | CN103917748A 用于输送介质的泵装置 Pump means for conveying medium |
| 07/09/2014 | CN103912489A 偏心活动叶片泵 Eccentric activities vane pump |
| 07/09/2014 | CN103912488A 一种新型的重卡自卸汽车转向油泵 A new heavy truck dump truck steering pump |
| 07/09/2014 | CN103912487A 用于车辆的油泵 Pumps for vehicles |
| 07/09/2014 | CN103912486A 叶片式输油泵 Vane pump |
| 07/09/2014 | CN103912485A 一种结构紧凑型大流量低脉动齿轮泵 A structure compact high flow low pulsation gear pump |
| 07/09/2014 | CN103912484A 用于激光染料溶液的循环系统 Circulatory system for laser dye solution |
| 07/08/2014 | US8770955 Adjustable rotary pump with reduced wear |
| 07/08/2014 | CA2676718C Method for plasticating and conveying macromolecular materials based on elongational flow and equipment thereof |
| 07/08/2014 | CA2606096C Rotor sliding-vane machine |
| 07/03/2014 | WO2014102652A1 Variable displacement vane pump and method of regulating the displacement thereof |
| 07/03/2014 | WO2014102419A1 Gear pump with chamber for damping pressure pulses in the aspiration chamber for noise and vibration reduction |
| 07/03/2014 | WO2014074294A3 Trochoidal rotary device |
| 07/03/2014 | US20140186202 Compressor |
| 07/03/2014 | US20140186201 Compressor |
| 07/03/2014 | DE112012004338T5 Pumpenvorrichtung Pump device |
| 07/03/2014 | DE102013102030B3 Schraubenspindelpumpe Screw Pump |
| 07/03/2014 | DE102009037993B4 Exzenterschneckenpumpe Cavity Pump |
| 07/03/2014 | DE102004021216B4 Hochdruck-Innenzahnradmaschine mit mehrfacher hydrostatischer Lagerung pro Hohlrad High pressure internal gear machine with multiple hydrostatic bearing per ring |
| 07/02/2014 | EP2749737A2 Electric pump |
| 07/02/2014 | EP2748401A2 Downhole motors and pumps with improved stators and methods of making and using same |
| 07/02/2014 | CN203685562U 一种双作用变量叶片泵或马达 A dual role of variable vane pump or motor |
| 07/02/2014 | CN203685561U 一种叶片泵 Kind vane pump |
| 07/02/2014 | CN203685560U 转子构造 Rotor structure |
| 07/02/2014 | CN203685559U 船用液控系统高压三螺杆泵 Marine high pressure hydraulic control system of three screw |
| 07/02/2014 | CN203685558U 浸没式侧壁安装单吸双螺杆泵 Immersion install single-suction sidewall twin screw |
| 07/02/2014 | CN103899535A 卧式耐腐泵泵壳 Horizontal pump casing corrosion |
| 07/02/2014 | CN103899534A 内接转子式流体机械 Inscribed rotor fluid machinery |
| 07/02/2014 | CN103899533A 旋转泵和具有旋转泵的制动装置 Rotary pump and brake device having a rotary pump |
| 07/01/2014 | US8764420 Eccentric-screw pump with replaceable rotor and stator |
| 06/26/2014 | WO2014096494A1 Sealed and compact gear pump |
| 06/26/2014 | WO2014096206A1 Arrangement with an electrically operable gear pump as a prefeed pump for a high-pressure pump of a diesel engine |
| 06/26/2014 | WO2014094860A1 Lubricant vane pump |
| 06/26/2014 | WO2014094731A2 Axial housing impingement surface |
| 06/26/2014 | WO2014094715A2 Multiple pump arrangement |
| 06/26/2014 | WO2014057649A3 Balanced Pressure Dual Pump |
| 06/26/2014 | US20140178239 Vane pump |
| 06/26/2014 | US20140178238 Pump, Pump System and Method for Pumping a Medium |
| 06/26/2014 | US20140178235 Electroformed stator tube for a progressing cavity apparatus |
| 06/26/2014 | US20140178234 Internal rotor-type fluid machine |
| 06/26/2014 | US20140178233 Oil pump rotor |
| 06/26/2014 | US20140178219 Electric pump |
| 06/26/2014 | DE102013227089A1 Fluidvorrichtung der innenrotorart Fluid device of innenrotorart |
| 06/26/2014 | DE102012223935A1 Rotary piston pump e.g. high-pressure pump for conveying fluid e.g. fuel to internal combustion engine, has an actuator for variable control and/or regulation of bypass channel, to integrate routable volume flow of fluid into channel |
| 06/26/2014 | DE102012223930A1 Rotary piston pump i.e. gear pump, for conveying fluid in high pressure injection system for combustion engine for motor car, has bypass duct passed into channel, and regulating unit regulating control of volumetric flow of fluid by duct |
| 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 |
| 06/26/2014 | DE102012002816B4 Schraubenspindelpumpe Screw Pump |
| 06/26/2014 | DE102011101648B4 Schraubenmaschine, insbesondere Schraubenspindelpumpe Screw machine, in particular screw pump |
| 06/26/2014 | DE102011001041B9 Magnetisch angetriebene Pumpenanordnung mit einer Mikropumpe mit Zwangsspuelung und Arbeitsverfahren Magnetically driven pump assembly with a micropump with Zwangsspuelung and working methods |
| 06/26/2014 | DE102010049439B4 Außenzahnradpumpe External gear pump |
| 06/25/2014 | EP2746583A1 Vane pump |
| 06/25/2014 | EP2746582A1 Vane for a rotor of a positive displacement vane pump, pump comprising the vane and pumping method using the pump |
| 06/25/2014 | CN203670203U 推动叶带刮片结构 Promote leaf blade structure with |
| 06/25/2014 | CN203670202U 一种双向齿轮泵 A bidirectional gear pump |
| 06/25/2014 | CN203670201U 一种塑料熔体泵 A plastic melt pump |
| 06/25/2014 | CN203670200U 一种旋转泵 A rotary pump |
| 06/25/2014 | CN203670199U 一种电机泵 A motor pump |
| 06/25/2014 | CN203669794U 一种采油螺杆泵的携砂辅助系统 One kind of oil screw pump sand carrying auxiliary systems |
| 06/25/2014 | CN103890400A 叶片泵 Vane pump |
| 06/25/2014 | CN103890399A 叶片式液压装置 Vane-type hydraulic device |
| 06/25/2014 | CN103890398A 内齿轮泵 Internal gear pump |