| Patents for F04B 49 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups (22,036) |
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| 06/16/2005 | US20050126518 Variable crankshaft |
| 06/16/2005 | DE102004046195A1 Pumpenantriebsmotorsteuerungsvorrichtung Pump drive motor control apparatus |
| 06/15/2005 | EP1541869A1 Driver of compressor and refrigerator |
| 06/15/2005 | EP1540217A2 Unloading/venting valve having integrated therewith a high-pressure protection valve |
| 06/15/2005 | CN1626800A Intellectualized network system for oil pumping unit |
| 06/15/2005 | CA2450766A1 A method and apparatus for monitoring and diagnosis of well progressing cavity pump systems |
| 06/14/2005 | US6905479 Pumping cartridge having an integrated filter and method for filtering a fluid with the cartridge |
| 06/14/2005 | US6905317 Oil pump apparatus |
| 06/14/2005 | US6904762 Pump pressure limiting method |
| 06/09/2005 | WO2005052709A1 Method and apparatus to control the rate of flow of a fluid through a conduit |
| 06/09/2005 | WO2005052372A1 Traveling hydraulic working machine |
| 06/09/2005 | WO2005051067A2 Moving unit with valves and changing amount and changing speed and changing volum |
| 06/09/2005 | US20050125171 Method and device for detecting leaks in reciprocating machinery |
| 06/09/2005 | US20050123426 Multi-directional pump |
| 06/09/2005 | US20050123409 Controller for variable displacement compressor and control method for the same |
| 06/09/2005 | US20050123407 System and method for noise attenuation of screw compressors |
| 06/09/2005 | US20050120730 Heat pump water heating system including a compressor having a variable clearance volume |
| 06/09/2005 | DE202004001371U1 A shut-off valve for refrigeration system compressors is in two parts to close both the input and output sides of the compressor during operational pauses |
| 06/09/2005 | DE10392799T5 Steuerung für einen verstellbaren Kompressor Control for a variable displacement compressor |
| 06/09/2005 | DE10392398T5 Pumpenkomponenten und Verfahren Pump components and methods |
| 06/09/2005 | DE10354491A1 Verfahren zur Steuerung eines Kompressors zur Druckmittelförderung in einer Niveauregelanlage eines Kraftfahrzeuges Method for controlling a compressor for conveying a pressure medium in a level control system of a motor vehicle |
| 06/09/2005 | DE10351930A1 Hydrostatische Maschine Hydrostatic machine |
| 06/08/2005 | EP1538337A1 Overload protective arrangement and method for reducing power consumption upon voltage fluctuations |
| 06/08/2005 | EP1538336A1 Dosing pump |
| 06/08/2005 | EP1538052A2 Compressor |
| 06/08/2005 | EP1537333A1 Fluid-working machine and operating method |
| 06/08/2005 | EP1537295A1 Hydraulic power-assisted steering system for motor vehicles |
| 06/08/2005 | CN2703897Y Split double-layer individual-pumping co-producing pump |
| 06/08/2005 | CN2703896Y Cantilever-crane type concrete transfer pump |
| 06/08/2005 | CN2703895Y Portable oil-pump braking device |
| 06/08/2005 | CN1624325A Multi-directional pump |
| 06/07/2005 | US6902379 Displacement control valve of variable displacement compressor, compressors including such valves, and methods for manufacturing such compressors |
| 06/07/2005 | US6902378 Electronically controlled vacuum pump |
| 06/07/2005 | US6901911 Pump and hydraulic system with low pressure priming and over pressurization avoidance features |
| 06/02/2005 | WO2005050021A1 Method for controlling the drive motor of a positive-displacement vacuum pump |
| 06/02/2005 | WO2005050020A1 Method for controlling a compressor for transporting a pressure medium in a level adjustment system of a motor vehicle |
| 06/02/2005 | US20050119796 Method and apparatus to control the rate of flow of a fluid through a conduit |
| 06/02/2005 | US20050118038 Method and device for regulating fluid pump pressures |
| 06/02/2005 | US20050118036 Regulatory device comprising a threshold valve control valve |
| 06/02/2005 | US20050118035 Multistage dry vacuum pump |
| 06/02/2005 | US20050118033 Method for adjusting a volumetric flow-variable positive displacement pump in an internal combustion engine |
| 06/02/2005 | US20050115564 Portable drag compressor powered mechanical ventilator |
| 06/02/2005 | DE102004050924A1 Steuerung für einen regenerativ betreibbaren Kompressormotor für ein Brennstoffzellenantriebssystem Control for a renewable operated compressor motor for a fuel cell drive system |
| 06/02/2005 | CA2546063A1 Method for controlling the drive motor of a positive-displacement vacuum pump |
| 06/01/2005 | EP1536140A1 Multistage dry vacuum pump |
| 06/01/2005 | EP1534956A1 A control method for controlling the gas flow in a compressor |
| 06/01/2005 | CN1621688A Apparatus and method for controlling operation of reciprocating compressor |
| 06/01/2005 | CN1621687A Apparatus for controlling operation of reciprocating compressor, and method therefor |
| 05/31/2005 | US6898940 High pressure pump system for supplying a cryogenic fluid from a storage tank |
| 05/26/2005 | WO2005047700A1 Method of controlling compressor for refrigerator and apparatus thereof |
| 05/26/2005 | US20050114082 Method and apparatus for detecting rub in a turbomachine |
| 05/26/2005 | US20050111997 Integrated engine/compressor control for gas transmission compressors |
| 05/26/2005 | US20050111989 Problem determination device and control device for fluid device |
| 05/26/2005 | US20050111987 Apparatus and method for controlling operation of reciprocating compressor |
| 05/26/2005 | US20050110446 System and method for starting pump |
| 05/26/2005 | CA2722638A1 Rapid occlusion steady state pumping system |
| 05/25/2005 | EP1533525A1 Pump unit |
| 05/25/2005 | EP1533524A1 Signal processing device of construction machinery |
| 05/25/2005 | EP1533522A2 Problem determination device and control device for fluid device |
| 05/25/2005 | EP1533516A1 Control device of high-pressure fuel pump of internal combustion engine |
| 05/25/2005 | EP1533479A2 Method and apparatus for detecting rub in a turbomachine |
| 05/25/2005 | DE19908826B4 Vorrichtung und Verfahren zum Variieren des Überschußdruckes als eine Funktion der Pumpverdrängung in einer Pumpe mit offenem Kreislauf mit Lastfühlsteuerung Apparatus and method for varying the excess pressure as a function of pump displacement in a pump with an open circuit with load sensing control |
| 05/25/2005 | DE19810764B4 Bedarfsabhängig ein- und ausschaltbarer Kompressor und Verfahren zur Steuerung bzw Regelung eines solchen Kompressors Depending on demand switched on and off compressor and method for controlling or regulation of such a compressor |
| 05/25/2005 | DE10350701A1 Variable displacement pump unit has flow regulator in bypass valve system and bypass pressure compensator upstream of flow regulator |
| 05/25/2005 | DE10341331B3 Leistungsregelvorrichtung Power control unit |
| 05/25/2005 | DE102004050132A1 Steuersystem für hydrostatische Pumpe Control system for hydrostatic pump |
| 05/25/2005 | DE10014045B4 Druckwasserversorgung Water Supply |
| 05/25/2005 | CN2702083Y Pressure regulation and reactive compensation controlling device of beam-pumping unit |
| 05/25/2005 | CN2702080Y Magnetic suspension pump |
| 05/25/2005 | CN1619305A Liquid feed pump apparatus |
| 05/24/2005 | US6898551 System for predicting life of a rotary machine, method for predicting life of a manufacturing apparatus which uses a rotary machine and a manufacturing apparatus |
| 05/24/2005 | US6895766 Fail-safe cryopump safety purge delay |
| 05/24/2005 | US6895754 Vehicle control system |
| 05/24/2005 | CA2487911A1 Method and apparatus for detecting rub in a turbomachine |
| 05/24/2005 | CA2213457C Aircraft hydraulic pump control system |
| 05/19/2005 | WO2005045248A1 Driving controlling appratus of linear compressor and method thereof |
| 05/19/2005 | WO2004104495A3 Discharge muffler placement in a compressor |
| 05/19/2005 | US20050104710 Thermally-actuated switch |
| 05/19/2005 | US20050103036 Compressor unit and refrigerator using the unit |
| 05/19/2005 | US20050103033 Pump pressure limiting method |
| 05/19/2005 | DE102004009046B3 Operating condition diagnosis method for synchronous pump e.g. circulation pump in dishwashing machine, using evaluation of phase shift between voltage and current of pump motor |
| 05/18/2005 | EP1531271A2 Fuel pump capacity control system for a gas turbine engine |
| 05/18/2005 | EP1531267A2 Pumping device using thermal-transpiration micropumps |
| 05/18/2005 | CN1202397C Heat-pump type hot-water supplying device |
| 05/18/2005 | CN1202386C Cotrol method and device for reciprocating electrical compressor |
| 05/18/2005 | CN1202351C Lubricant oil pump unit |
| 05/17/2005 | US6893228 Axial piston pump with fluid bearing arrangement |
| 05/17/2005 | US6893227 Device for prevention of backward operation of scroll compressors |
| 05/12/2005 | US20050100464 Liquid feed pump apparatus |
| 05/12/2005 | US20050100450 Methods and systems for pulsed delivery of fluids from a pump |
| 05/12/2005 | US20050100447 Flow control system for a gas turbine engine |
| 05/11/2005 | EP1529560A2 Vacuum control system |
| 05/11/2005 | EP1528941A1 Device for programming a pump used to inject medicaments |
| 05/11/2005 | CN1615404A Device and method for overload protection of compressor |
| 05/11/2005 | CN1201087C Autonomous inverter driving hydraulic unit |
| 05/11/2005 | CN1201082C Starting control method of variable volume compressor |
| 05/10/2005 | US6890156 Reciprocating pump control system |
| 05/10/2005 | US6889665 High pressure pump for a fuel system of an internal combustion engine, and a fuel system and internal combustion engine employing the pump |
| 05/06/2005 | WO2005040612A1 Current monitoring system and method for metering peristaltic pump |
| 05/06/2005 | WO2004103888A3 Systems and methods for providing a dynamically adjustable reciprocating fluid dispenser |