| Patents for F04B 5 - Machines or pumps with differential-surface pistons (514) |
|---|
| 02/17/2015 | US8956128 Spherical expansion compressor adapted to variable working conditions |
| 01/28/2015 | EP2829730A1 Device for raising/reducing fluid pressure and work machine |
| 01/22/2015 | DE10392363B4 Hydraulikmotor mit gestuften Radialzylindern Hydraulic motor with stepped radial cylinders |
| 01/13/2015 | US8931267 Pumps |
| 12/25/2014 | US20140377110 Devices and methods for actuating valves |
| 12/24/2014 | CN102482930B 用于将液压井控制流体泵送到生产流线内的泵 Means for controlling hydraulic fluid pumped into the well production flow line within the pump |
| 09/23/2014 | US8840377 Fluid compressor and motor vehicle refuelling apparatus |
| 09/18/2014 | US20140263451 Variable orifice outlet assembly |
| 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 |
| 07/23/2014 | CN103946081A 机动车制动系统的液压设备的泵元件 Pump element vehicle brake system hydraulic equipment |
| 07/03/2014 | DE102008002481B4 Mehrstufige Kolbenpumpe mit einem Überdruck Ablassventil im Hubkolben und Verfahren zum Betrieb dieser Multi-stage piston pump with a pressure relief valve in the reciprocating piston and method of operation of this |
| 06/18/2014 | DE102011107174A1 Method for converting pressing force of e.g. combustion gas into rotational torque in movable piston of double-effect steam engine, involves transferring pressing force of fluid to hydraulic pistons such that fluid is displaced into motor |
| 06/12/2014 | DE102012220851A1 High pressure pump for hybrid hydraulic system of combustion engine system for motor car, has auxiliary cylinder for supporting auxiliary piston which is provided for conveying the hydraulic fluid |
| 06/11/2014 | CN203640945U 全自动水力增压装置 Automatic hydraulic booster device |
| 04/29/2014 | US8708666 Multi-stage compressor |
| 04/15/2014 | US8696337 Plunger type water pump |
| 01/22/2014 | EP2687722A1 A dynamic fluid pump |
| 01/16/2014 | DE112012000630T5 Variable Kolbenpumpe Variable piston pump |
| 12/25/2013 | CN203362430U Single-eccentric-shaft double-plunger four-cylinder high-pressure pump |
| 11/28/2013 | WO2013174240A1 A combined jet with multiple pipes |
| 11/21/2013 | WO2013171125A2 Electromagnetic actuator for a reciprocating compressor |
| 10/29/2013 | US8568107 Multi-stage compressor |
| 10/10/2013 | WO2013087593A9 Pressure intensifier, method for operating a pressure intensifier, and use of a pressure intensifier |
| 09/26/2013 | WO2013140879A1 Device for raising/reducing fluid pressure and work machine |
| 09/04/2013 | CN103277277A Single-eccentric-shaft double-plunger four-cylinder high pressure pump |
| 08/06/2013 | US8500416 Doubled seal disk for piston pump |
| 07/18/2013 | DE19743747B4 Kolbenpumpe Piston pump |
| 07/16/2013 | US8485793 Chip scale vacuum pump |
| 06/20/2013 | WO2013087593A1 Pressure intensifier, method for operating a pressure intensifier, and use of a pressure intensifier |
| 05/23/2013 | WO2013072126A1 Pump element of a hydraulic unit for a vehicle brake system |
| 04/17/2013 | CN102121467B Fluid power machine |
| 04/10/2013 | CN103038110A Hydraulic pressure generator for a vehicle brake system, vehicle brake system having such a hydraulic pressure generator, and method for operating the hydraulic pressure generator |
| 02/28/2013 | US20130052047 Variable output pump |
| 02/21/2013 | WO2013025472A2 Energy diffusing wear ring and methods thereof |
| 02/21/2013 | CA2844437A1 Energy diffusing wear ring and methods thereof |
| 02/19/2013 | US8376717 Multi-stage compressor |
| 01/02/2013 | CN102859193A Double-acting piston compressor guided by a roller and driven by a gearwheel and racks |
| 12/26/2012 | EP2536949A1 Double-acting piston compressor guided by a roller and driven by a gearwheel and racks |
| 11/21/2012 | EP2525094A1 Pump for transporting fluid material from material containers |
| 11/13/2012 | US8308439 Method and apparatus for resisting disabling fouling of compressors in multistage compression systems |
| 10/23/2012 | US8292597 High-speed gear pump |
| 10/16/2012 | US8287251 Variable ratio hand pump |
| 08/14/2012 | US8241011 Fan having two impellers |
| 07/11/2012 | CN102575655A Hydraulic pumping device |
| 06/28/2012 | WO2012084297A1 Piston pump, in particular for a hydraulic vehicle braking system |
| 06/26/2012 | US8206129 Supercharged internal combustion engine including a pressurized fluid outlet |
| 05/30/2012 | CN102482930A 用于将液压井控制流体泵送到生产流线内的泵 Means for controlling the hydraulic fluid pump to pump the well production flow line within the |
| 05/23/2012 | CN102472259A 多活塞泵 Multi-piston pump |
| 05/09/2012 | EP2449262A1 Multi-piston pump |
| 04/04/2012 | EP2436925A1 Method, device and drive means of a double acting pump with alternating linear movement |
| 01/03/2012 | US8087902 Hydraulic device with a lubricating pump |
| 01/03/2012 | CA2693311C Double-acting reciprocating downhole pump |
| 12/27/2011 | US8083506 Double action simplex pump |
| 12/22/2011 | WO2011157347A1 Hydraulic pressure generator for a vehicle brake system, vehicle brake system having such a hydraulic pressure generator, and method for operating the hydraulic pressure generator |
| 11/17/2011 | US20110280742 Balance drum configuration for compressor rotors |
| 11/15/2011 | CA2558668C Apparatus with piston having upper piston extensions |
| 11/02/2011 | EP2382369A2 Pump for pumping hydraulic well control fluid into a production flowline |
| 09/21/2011 | EP2365911A1 Colorant fluid dispensing device for dispensing multiple colorant fluids |
| 09/14/2011 | EP2049793B1 Vehicle brake system piston pump comprising a piston |
| 08/31/2011 | EP2362099A2 Self-actuated concentric, crank-side compressor valve |
| 08/31/2011 | EP2229531B1 Compressor and apparatus for compressing two gases at high pressure |
| 08/25/2011 | WO2011101561A1 Double-acting piston compressor guided by a roller and driven by a gearwheel and racks |
| 08/25/2011 | CA2784058A1 Double-acting piston compressor guided by a roller and driven by a gearwheel and racks |
| 07/13/2011 | CN102121467A Fluid power machine |
| 07/06/2011 | CN102116278A Fluid pressurizing machine |
| 06/22/2011 | DE102009055032A1 Kolbenpumpe für eine hydraulische Fahrzeugbremsanlage Piston pump for a hydraulic vehicle brake system |
| 06/15/2011 | EP2333335A1 Portable hydraulic pump group for operating tools |
| 06/09/2011 | US20110135506 Multi-stage vacuum pump |
| 06/09/2011 | DE102010001237A1 Piston pump for conveying pressure medium in hydraulic brake system with slip control, has conveying space limiting pump piston at pressure-side, and spring stop provided in overrun area and fixed at circumference of piston by mechanism |
| 06/08/2011 | CN101495748B Vehicle brake system-piston pump comprising a piston |
| 05/10/2011 | CA2450707C Double-acting reciprocating downhole pump |
| 05/04/2011 | CN201818452U Normally-opened plunger type water pump for water suction valve |
| 04/14/2011 | WO2011042008A1 Hydraulic pumping device |
| 02/02/2011 | EP2280174A1 Hydraulic cylinder, oil pumping unit, oil pumping module and oil pumping system |
| 02/02/2011 | CN101965274A Hydraulic arrangement for a power-actuated actuator |
| 01/06/2011 | WO2011000602A1 Multi-piston pump |
| 01/05/2011 | DE102009027312A1 Mehrkolbenpumpe Multi-piston pump |
| 12/02/2010 | US20100303649 Double Action Simplex Pump |
| 11/18/2010 | US20100290937 Fluid pump assembly |
| 11/18/2010 | DE19930608B4 Hydraulische Kolbenpumpe für ein Fahrzeugbremssystem Hydraulic piston pump for a vehicle brake system |
| 11/10/2010 | CN101094970B Dynamic system for refrigeration equipment |
| 11/09/2010 | US7828530 Electric motor pump for swimming pool maintenance |
| 11/03/2010 | EP2246567A1 Piston compressor |
| 09/22/2010 | EP2229531A1 Compressor and apparatus for compressing two gases at high pressure |
| 09/16/2010 | WO2010086580A3 Pump for pumping hydraulic well control fluid into a prosuction flowline |
| 09/01/2010 | CN201568291U Double-acting crude oil transmission piston pump |
| 08/17/2010 | US7775781 Double action simplex diaphragm pump |
| 08/05/2010 | WO2010086580A2 Pumps |
| 07/20/2010 | US7758317 Method of analyzing vaporization pattern of solvent and solvent vacuum vaporization device |
| 07/01/2010 | US20100166573 High-pressure generation device |
| 06/17/2010 | WO2010066069A1 A fluid power device |
| 06/16/2010 | CN101216022B Plunger ported axial plunger hydraulic pump |
| 05/14/2010 | WO2010053355A1 Colorant fluid dispensing device for dispensing multiple colorant fluids |
| 03/31/2010 | EP2169242A1 Crank mechanism for a reciprocating compressor |
| 03/11/2010 | WO2010025511A1 A pump |
| 01/21/2010 | DE102008040452A1 High pressure pump for fuel injection device, particularly common rail injection system for injecting fuel into combustion chamber of internal combustion engine, has compressor chamber that is connected to storage space |
| 12/03/2009 | DE102005044904B4 Elektromagnetisch betreibbare Dosierpumpe Electromagnetically operated metering pump |
| 11/19/2009 | US20090285697 High Pressure Air Pump |
| 10/29/2009 | US20090269227 Piston pump with at least one stepped piston element |
| 10/01/2009 | US20090246045 Device for Concentrating a Liquid, and Differential Piston Pump |