| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 12/25/2014 | US20140377115 Internal Gear Pump |
| 12/25/2014 | US20140377114 Internal Gear Pump |
| 12/25/2014 | US20140377113 Pump and/or Compressor Arrangement Including Mating, Oscillatable Vane Members for the Simultaneous Admission and Discharge of Fluid |
| 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 | CN204041445U 一种低磨损液压机械 A low-wear hydraulic machinery |
| 12/24/2014 | CN204041444U 一种立式齿轮油泵 One kind of vertical gear pump |
| 12/24/2014 | CN204041443U 改进型伺服控制供油装置 Improved servo control oil installations |
| 12/24/2014 | CN204041442U 一种摆线液压油泵 One kind cycloid hydraulic pump |
| 12/24/2014 | CN204041441U 一种印花机浆泵 One kind of printing machine pump |
| 12/24/2014 | CN204041440U 一种减少窜油的齿轮油泵 A reduction gear pumps channeling oil |
| 12/24/2014 | CN104246229A 用于螺杆泵/马达的定子 Stator for screw / motor |
| 12/24/2014 | CN104246219A 塑料制造的计量泵 Metering pump made of plastic |
| 12/24/2014 | CN104246131A 密封结构、具有密封结构的输送装置以及密封结构的操作方法 Seal structure, having a delivery device and method of operation of the sealing structure sealing structure |
| 12/24/2014 | CN104235012A 一种多联变流量航空齿轮油泵 A multi-linked variable flow aviation gear pumps |
| 12/24/2014 | CN104235011A 齿轮泵及齿轮泵的运转方法 The method of operating the gear pump and gear pump |
| 12/24/2014 | CN104235010A 一种新型双联三角转子液压泵 A new double-triangular rotor pump |
| 12/24/2014 | CN102927003B 一种特殊齿轮泵 A special gear pump |
| 12/24/2014 | CN102472271B 电动泵单元 Electric pump unit |
| 12/24/2014 | CN101881272B 变量叶片泵 Variable vane pump |
| 12/23/2014 | US8915725 Compressor in which a shaft center of a suction pipe is disposed to not correspond to a shaft center of a refrigerant suction passage of a stationary shaft and an upper end of the stationary shaft protrudes higher than a bottom of an accumulator chamber |
| 12/18/2014 | US20140369879 Hollow gerotor |
| 12/18/2014 | US20140369875 Progressive cavity pump |
| 12/17/2014 | CN204025037U 缺角式转子 Missing angle rotor |
| 12/17/2014 | CN204025036U 涡旋泵 Scroll pump |
| 12/17/2014 | CN204025035U 一种结构简化的可变排量叶片泵 A structure simplified variable displacement vane pump |
| 12/17/2014 | CN204025034U 后进侧出沉孔安装型浸没式三螺杆泵机组 Backward side of the sink hole submerged three screw-mounted unit |
| 12/17/2014 | CN204025033U 齿轮泵 Gear pumps |
| 12/17/2014 | CN104220756A 用于偏心螺杆泵的销式万向节 Pin-type universal joint for the eccentric screw pump |
| 12/17/2014 | CN104220754A 可变容量式叶片泵 The variable displacement vane pump |
| 12/17/2014 | CN104220753A 可变容量式叶片泵 The variable displacement vane pump |
| 12/17/2014 | CN104214089A 一种新型磁力齿轮泵 A new magnetic gear pump |
| 12/17/2014 | CN104214088A 一种高效节能叶片泵泵叶结构 An energy efficient vane pump leaf structure |
| 12/17/2014 | CN104214087A 一种新型加香加料泵 A new flavored feed pump |
| 12/17/2014 | CN104214086A 一种新型齿轮泵 A new gear pump |
| 12/17/2014 | CN102652225B 齿轮型泵 Gear type pump |
| 12/17/2014 | CN102465870B 一种带有轴向密封补偿的行星齿轮泵 An axial seal planetary gear pump with compensation |
| 12/16/2014 | US8911222 Input shaft assembly for gear pump |
| 12/10/2014 | CN204003441U 一种油泵结构 One kind of pump structure |
| 12/10/2014 | CN204003440U 用于船舶的高压齿轮油泵 For high-pressure gear pump ship |
| 12/10/2014 | CN204003439U 一种泵轴上螺旋叶片衬胶的双螺杆泵 Rubber lining on a double helical blade shaft screw |
| 12/10/2014 | CN104204528A 可变容量式叶片泵 The variable displacement vane pump |
| 12/10/2014 | CN104204527A 用于旋转式压缩机的密封元件 Sealing element for the rotary compressor |
| 12/10/2014 | CN104204526A 内齿轮泵 Internal gear pump |
| 12/10/2014 | CN104204409A 叶片泵，其具有壳体、可移动的定子和在定子内可转动的转子 Vane pump, having a housing, a stator and movable in a rotor rotatable within the stator |
| 12/10/2014 | CN104196721A 一种单作用叶片泵 A single-acting pumps |
| 12/10/2014 | CN104196720A 一种变量叶片泵排量调节用交流伺服电机驱动装置 One kind of variable displacement vane pump adjusted with AC servo motor drive |
| 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 |
| 12/10/2014 | CN104196718A 螺杆式潜水泵 Screw submersible pump |
| 12/10/2014 | CN104196717A 设有双向支撑导向式组合密封结构的齿轮马达侧板 There bidirectional support gear combination seal structure-guided motor side |
| 12/09/2014 | US8905970 Dual chamber and gear pump assembly for a high pressure delivery system |
| 12/09/2014 | US8905734 Compressor |
| 12/09/2014 | US8905733 Progressing cavity pump/motor |
| 12/09/2014 | US8904991 Rotary mechanism with articulating rotor |
| 12/02/2014 | US8899951 Displacement pump with suction groove |
| 12/02/2014 | US8899948 Fretting-corrosion-prevention oscillating vane type pump actuator |
| 12/02/2014 | US8899947 Compressor |
| 12/02/2014 | US8899942 Volume ratio control system and method |
| 12/02/2014 | US8899351 Apparatus and method for adjusting power units of downhole motors |
| 11/27/2014 | US20140348687 Rotary Piston Pump |
| 11/27/2014 | US20140348686 Gear pump |
| 11/27/2014 | US20140348685 Coupling shaft for gear pump |
| 11/27/2014 | US20140348683 Sealing system for gerotor apparatus |
| 11/27/2014 | US20140348669 Pump Device for Ice Cream or Yogurt Machine |
| 11/27/2014 | US20140345451 Method And Device For Fixing And Synchronising Rotary Pistons In A Rotary Piston Pump |
| 11/25/2014 | US8894396 Pump apparatus with pressing means |
| 11/25/2014 | US8894394 Scroll fluid machine having a communication hole connecting an oil supply port with a first bearing to open towards a fixed scroll and being on a radially outer side of an orbiting end plate |
| 11/25/2014 | US8894393 Oil pump for vehicle |
| 11/25/2014 | US8894385 Bi-directional pump |
| 11/20/2014 | US20140341769 Pump rotor and internal gear pump using the same |
| 11/20/2014 | US20140341768 Sealing device |
| 11/20/2014 | US20140341757 Oil pump for vehicle and vehicle with the same |
| 11/20/2014 | US20140341755 Horizontal and vertical well fluid pumping system |
| 11/18/2014 | US8888476 Horizontal scroll compressor |
| 11/18/2014 | US8888474 Downhole motors and pumps with asymmetric lobes |
| 11/18/2014 | US8887592 Spherical involute gear coupling |
| 11/13/2014 | US20140334958 Continuously Variable Transmission Provided with a Gerotor Pump |
| 11/11/2014 | US8882482 Compressor |
| 11/06/2014 | US20140328709 Hydraulic machine with vane retaining mechanism |
| 11/06/2014 | US20140327554 Remote monitoring system of uniaxial eccentric screw pump |
| 11/04/2014 | US8876504 Pump rotor combining and eccentrically disposing an inner and outer rotor |
| 11/04/2014 | US8876501 Electric pump unit |
| 11/04/2014 | US8876498 Pumps and pump-heads with separately removable field-serviceable portion |
| 11/04/2014 | US8875647 Operating method for an atomiser and a corresponding coating apparatus |
| 10/30/2014 | US20140322060 Fluid-pressure apparatus |
| 10/28/2014 | US8870557 Rotor and hydraulic motor including the rotor |
| 10/28/2014 | US8870556 Oil pump |
| 10/21/2014 | US8864479 Multi-stage scroll machine |
| 10/21/2014 | US8863723 Hybrid cycle rotary engine |
| 10/16/2014 | US20140308150 Gear pump having grooved mounting adapter |
| 10/16/2014 | US20140308148 Water Lubricated Screw Compressor |
| 10/16/2014 | US20140308147 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 10/16/2014 | US20140308145 Progressing cavity stator |
| 10/14/2014 | US8858206 Pendulum-slide cell pump |
| 10/14/2014 | US8858205 Compressor having an inlet port formed to overlap with a roller and a cylinder-type rotor for compressing a refrigerant |
| 10/14/2014 | US8858204 Dry vacuum pump having multiple lubricant reservoirs |
| 10/14/2014 | US8858202 Rotary diaphragm pump |
| 10/14/2014 | US8858196 Hermetic compressor |
| 10/09/2014 | WO2014164415A1 Self adjusting gear pump |