| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
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| 01/28/2015 | CN204126890U 油泵及其隔板 Pumps and separators |
| 01/28/2015 | CN204126888U 一种液压电机齿轮泵 A hydraulic pump motor gear |
| 01/28/2015 | CN204126887U 泵 Pump |
| 01/28/2015 | CN204126886U 一种齿轮泵 A GEAR pump |
| 01/28/2015 | CN204126885U 减噪油泵齿轮组件 Pump noise reduction gear assembly |
| 01/28/2015 | CN204126884U 电动泵 Electric pump |
| 01/28/2015 | CN204126883U 一种内啮合齿轮泵 An internal gear pump |
| 01/27/2015 | US8939742 Compressor with steel and cast iron sliding materials |
| 01/27/2015 | US8939741 Scroll compressor |
| 01/27/2015 | CA2842412C Universal pump holddown system |
| 01/22/2015 | WO2015009535A1 Lubrication of journal bearing during clockwise and counter-clockwise rotation |
| 01/22/2015 | US20150023826 Screw compressor |
| 01/22/2015 | US20150023825 Volumetric screw compressor |
| 01/22/2015 | DE202014007647U1 Zahnradpumpe mit Bogenverzahnung Gear pump with curved teeth |
| 01/22/2015 | DE19900926B4 Pumpe Pump |
| 01/22/2015 | DE102013213933A1 Innenzahnradpumpe für eine hydraulische Fahrzeugbremsanlage Internal gear pump for a hydraulic vehicle brake system |
| 01/22/2015 | DE102009010107B4 Exzenterschneckenpumpe Cavity Pump |
| 01/22/2015 | DE102005051612B4 Rotationspumpe für eine Bremsvorrichtung Rotary pump for a braking device |
| 01/21/2015 | EP2825775A1 Positive displacement pump |
| 01/21/2015 | CN204113645U 螺杆泵驱动防反转装置 Screw-driven anti-reverse device |
| 01/21/2015 | CN204113643U 熔体泵机体的改良结构 Improved structure melt pump body |
| 01/21/2015 | CN104302918A 多级油泵 Multistage Pump |
| 01/21/2015 | CN104302917A 多级油泵 Multistage Pump |
| 01/21/2015 | CN104295607A 改进型伺服控制供油装置 Improved servo control oil installations |
| 01/21/2015 | CN104295490A 可变容量型泵 The variable displacement pump |
| 01/21/2015 | CN104295489A 一种可变排量叶片泵 A variable displacement vane pump |
| 01/21/2015 | CN104295488A 齿轮泵 Gear pumps |
| 01/21/2015 | CN104295479A 液压装置和其控制方法 Hydraulics and control method |
| 01/21/2015 | CN102536807B 原油举升系统和利用滑片泵输送流体的方法 Crude oil lifting system and use the slide pumping fluid method |
| 01/21/2015 | CN102410212B 一种宝塔形弹簧补偿内外齿轮泵 One kind of compensation pagoda-shaped spring inside and outside gear pump |
| 01/20/2015 | US8936452 Pump housing |
| 01/20/2015 | US8936449 Hermetic compressor and manufacturing method thereof |
| 01/20/2015 | US8936445 Reduced noise fluid pump |
| 01/20/2015 | US8936004 Rotary piston engine |
| 01/15/2015 | US20150017049 Oil pump |
| 01/15/2015 | US20150017048 Single flight screw, a single flight high pressure screw pump and compactor containing such a pump |
| 01/15/2015 | US20150017047 Stators For Downhole Motors, Methods For Fabricating The Same, And Downhole Motors Incorporating The Same |
| 01/15/2015 | US20150017046 Rotary Compressor Having Gate Axially Movable With Respect To Rotor |
| 01/15/2015 | US20150014176 Wafer processing apparatus having scroll pump |
| 01/15/2015 | DE102014212920A1 Schaufelpumpe Bucket pump |
| 01/15/2015 | DE102012219841B4 Elektrische Pumpe und Verfahren zur Herstellung einer elektrischen Pumpe Electric pump and method for producing an electric pump |
| 01/14/2015 | CN204099192U 电动液压动力装置 Electro-hydraulic power unit |
| 01/14/2015 | CN204099190U 一种单片双滚偏心旋转变容装置 A monolithic double roller rotates eccentrically variable capacitance device |
| 01/14/2015 | CN204099189U 齿轮油泵 Gear pumps |
| 01/14/2015 | CN204099188U 一种等壁厚金属定子螺杆泵 One kind of metal, such as the thickness of the stator screw |
| 01/14/2015 | CN204099187U 多级摆线齿轮泵 Multistage cycloid gear pump |
| 01/14/2015 | CN104285063A 具有优化的入口和出口的旋转式活塞泵 With optimized inlet and outlet of the rotary piston pump |
| 01/14/2015 | CN104285062A 可拆分式定子外罩 Can be split stator housing |
| 01/14/2015 | CN104279159A 高转矩旋转马达 High torque rotary motor |
| 01/14/2015 | CN104279158A 叶片泵 Vane pump |
| 01/14/2015 | CN104279157A 一种等壁厚金属定子螺杆泵 One kind of metal, such as the thickness of the stator screw |
| 01/14/2015 | CN102606476B 提高叶片式液压油泵工作稳定性方法 Vane-type hydraulic pumps work to improve the stability of the method |
| 01/14/2015 | CN102536794B 自润滑单螺杆泵 Self-lubricating single screw |
| 01/14/2015 | CN102536793B 内切筒状四转子容积泵 Endo four cylindrical rotor displacement pump |
| 01/13/2015 | US8932037 Pump unit of a vane pump with movable sleeve and spring element |
| 01/13/2015 | US8932036 Compressor seal assembly |
| 01/10/2015 | CA2856438A1 Rotary vane motor |
| 01/08/2015 | US20150010421 Sealing Element for Rotary Compressor |
| 01/08/2015 | US20150010420 Oil pump |
| 01/08/2015 | US20150010419 Pump |
| 01/08/2015 | US20150010416 Controller for varying flow rate from fixed displacement pump |
| 01/08/2015 | DE102013212004A1 Hydraulische Anordnung und Verfahren zu deren Steuerung Hydraulic arrangement and methods for their control |
| 01/08/2015 | DE102013212002A1 Innenzahnradpumpe für die Förderung von Fluid Internal gear pump for pumping fluid |
| 01/07/2015 | EP2820304A1 Sealing element for rotary compressor |
| 01/07/2015 | EP2820248A2 Rotary piston |
| 01/07/2015 | EP2820247A1 Sealing arrangement, a conveying device having a sealing arrangement and a method for operating the sealing arrangement |
| 01/07/2015 | CN204082537U 水平悬臂安装润滑三螺杆泵机组 Horizontal cantilevered three screw lubrication unit |
| 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 | CN204082533U 偏心活动叶片泵 Eccentric activities vane pump |
| 01/07/2015 | CN204082532U 滑片泵 Vane pumps |
| 01/07/2015 | CN204082531U 一种低噪节能内置式变速泵 One kind of energy-saving built-in low noise variable speed pump |
| 01/07/2015 | CN204082530U 一种耐用防渗变速泵 A durable impermeable variable speed pump |
| 01/07/2015 | CN204082529U 一种叉车供油泵 A forklift that supply pump |
| 01/07/2015 | CN204082528U 新型内啮合变量齿轮泵 The new variable in the meshing gear pump |
| 01/07/2015 | CN104271954A 泵单元 Pump unit |
| 01/07/2015 | CN104271953A 自固定式定子外壳 Since the fixed stator housing |
| 01/07/2015 | CN104271952A 聚醚酰亚胺泵 Polyetherimide pump |
| 01/07/2015 | CN104265632A 气缸组件和具有其的回转式压缩机、泵 Cylinder assembly and rotary compressor having the same pump |
| 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 |
| 01/07/2015 | CN104265625A 减噪油泵齿轮组件 Pump noise reduction gear assembly |
| 01/07/2015 | CN104265624A 多级摆线齿轮泵 Multistage cycloid gear pump |
| 01/07/2015 | CN104265623A 一种可实现分区轴向补偿的内啮合齿轮泵 Which can realize the partition axial compensation of internal gear pump |
| 01/07/2015 | CN104265374A 具有转轮传动活塞变速机构的流体动力机械 Fluid power machinery wheel drive with a piston shifting mechanism |
| 01/07/2015 | CN103016336B 一种基于行星摆线转子泵的永磁同步电动计量泵 Permanent magnet synchronous electric metering pumps based on cycloidal rotor pump |
| 01/07/2015 | CN102927002B 一种高压齿轮泵 A high pressure gear pump |
| 01/07/2015 | CN102072147B 旋转式泵装置以及车辆制动控制系统 Rotary pump device and a vehicle brake control system |
| 01/06/2015 | US8926299 Pump device |
| 12/31/2014 | CN204061164U 双作用无级变速器油泵 Double-acting pump CVT |
| 12/31/2014 | CN204061163U 铝合金拉丝机的齿轮泵 Aluminum wire drawing machine gear pump |
| 12/31/2014 | CN204061162U 一种具有后拉式驱动模块的齿轮泵 Gear pump having a back pull-out drive module |
| 12/31/2014 | CN104254692A 一种叶片机构 Kind vane mechanism |
| 12/31/2014 | CN102865223B 双级内啮合滚套泵 Engages the rollers inside the two-stage pump |
| 12/31/2014 | CN102588271B 一种具有分离式齿轮缸的直线共轭内啮合齿轮泵及其加工方法 A straight line with a separate gear cylinder conjugate internal gear pump and processing methods |
| 12/30/2014 | US8920149 Single-screw compressor having an adjustment mechanism for adjusting a compression ratio of the compression chamber |
| 12/30/2014 | US8920148 Oil pump |
| 12/30/2014 | US8920140 Purification system |
| 12/25/2014 | US20140377116 Variable vane pump with communication groove in the cam ring |