| 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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| 09/10/2008 | CN100417812C Apparatus and method for controlling operation of reciprocating compressor |
| 09/09/2008 | US7422422 Compressor assembly with pressure relief valve fittings |
| 09/09/2008 | CA2431111C Compressor terminal fault interruption method and apparatus |
| 09/04/2008 | WO2008105921A2 Anti-bogdown control system for turbine/compressor systems |
| 09/04/2008 | WO2008073330A3 Filter loading |
| 09/04/2008 | WO2008066589A3 System and method for operation of a pump |
| 09/04/2008 | US20080213105 Reciprocating Piston Pump with Air Valve, Detent and Poppets |
| 09/04/2008 | US20080213101 Shower Wast Pump Control |
| 09/04/2008 | US20080210775 Variable reactive force arrangement for pole mounted, pressure washing lances |
| 09/04/2008 | DE102007010029A1 Automatic pressure venting for suction pump is fitted into lid of cylindrical housing and operates when oil has filled the pump |
| 09/03/2008 | EP1965083A1 Hydraulic unit and method of controlling speed of motor in hydraulic unit |
| 09/03/2008 | EP1963677A1 Compressor unit |
| 09/03/2008 | EP1436507B1 Thick matter pump comprising a transport capacity control system |
| 09/03/2008 | CN101258329A Pump, especially motor/pump unit for a power-assisted steering system of a motor vehicle |
| 09/03/2008 | CN100416101C Electric engine controller of electric compressor |
| 09/03/2008 | CN100416095C Device and method for controlling a thick matter pump |
| 09/02/2008 | US7421316 Method and device for regulating fluid pump pressures |
| 09/02/2008 | US7419365 Compressor with capacity control |
| 09/02/2008 | US7418819 Pump unit |
| 08/28/2008 | WO2008103628A1 Variable ratio hand pump |
| 08/28/2008 | WO2008103147A1 Compressor having a dual slide valve assembly |
| 08/28/2008 | WO2007090193A8 Hydraulic oil well pumping apparatus |
| 08/28/2008 | US20080206078 Electric pump unit and electric oil pump apparatus |
| 08/28/2008 | US20080206075 Compressor Having a Dual Slide Valve Assembly |
| 08/28/2008 | US20080206074 Compressor, Especially Axial Piston Compressor for a Vehicle Air Conditioning System |
| 08/28/2008 | US20080206073 Fluid-Working Machines |
| 08/28/2008 | US20080206070 Method for Control of a Pressurised Air Supply System for a Motor Vehicle |
| 08/28/2008 | US20080206069 Method for Prevention/Detection of Mechanical Overload in a Reciprocating Gas Compressor |
| 08/28/2008 | US20080206067 High Pressure Pump Control |
| 08/28/2008 | US20080206066 Reciprocating Pump With Electronically Monitored Air Valve Having Battery And Solenoid Electronic Monitoring |
| 08/28/2008 | US20080202113 Tandem Pump Unit |
| 08/28/2008 | DE10261634B4 Kombinationsverschraubung für eine Vorrichtung zur Regelung des Flusses von Druckflüssigkeit in einer Durchfluss-Kontrolleinrichtung Kombinationsverschraubung for a device for regulating the flow of pressurized fluid into a flow control means |
| 08/28/2008 | DE102007008736A1 Verfahren zur Steuerung eines Kompressors und Vorrichtung zur Durchführung des Verfahrens A method for controlling a compressor and a device for carrying out the method |
| 08/28/2008 | CA2677951A1 Compressor having a dual slide valve assembly |
| 08/27/2008 | EP1961960A2 Method for controlling a compressor and device for executing the method |
| 08/27/2008 | EP1960718A1 Pulse width modulated system with pressure regulating valve |
| 08/27/2008 | EP1960717A1 Multi-circuit refrigerant system utilizing pulse width modulation techniques |
| 08/27/2008 | EP1960670A2 System and method for operation of a pump |
| 08/27/2008 | CN201106438Y Pendulum balance intelligent control oil pump |
| 08/27/2008 | CN201106224Y Self-lifting type sewage case |
| 08/27/2008 | CN101251115A Autonomous decentralized system for n-multiple system of water feeding apparatus |
| 08/27/2008 | CN101251102A Antiscaling oil-well pump |
| 08/27/2008 | CN101251101A Pressure regulating type stabilivolt membrane pump |
| 08/27/2008 | CN101251100A Sand prevention stop-adding oil-well pump device |
| 08/27/2008 | CN101249288A External magnetically-actuated device for supplying power for blood pump |
| 08/27/2008 | CN100414108C Fully closed compressor with dented thermal protector assembling structure |
| 08/27/2008 | CN100414103C Pump unit |
| 08/26/2008 | US7417398 Vacuum pump |
| 08/26/2008 | US7415831 Integration of automated cryopump safety purge |
| 08/26/2008 | US7415821 Hydraulic motor unit |
| 08/26/2008 | CA2335042C Electronic control system for installations which generate compressed air or vaccuums |
| 08/21/2008 | WO2008073436A3 Pumping system with two way communication |
| 08/21/2008 | US20080199329 Device for reducing pulsation in a variable displacement compressor |
| 08/21/2008 | US20080199328 Suction throttle valve for variable displacement type compressor |
| 08/21/2008 | US20080199327 Apparatus and Method For Compressing a Gas |
| 08/21/2008 | US20080199323 Reciprocating Pump with Electronically Monitored Air Valve and Piston |
| 08/21/2008 | DE102007008160A1 Air compressor for commercial vehicle, comprises load relieving switching device for switching air compressor between idle phase and load phase |
| 08/20/2008 | EP1959141A2 Improvements in water supply systems |
| 08/20/2008 | EP1959139A2 Device for reducing pulsation in a variable displacement compressor |
| 08/20/2008 | CN201103536Y Pressure mechanism of high-pressure water pump |
| 08/20/2008 | CN201103528Y Double-hydraulic cylinder driven positive displacement type reciprocating compressor |
| 08/20/2008 | CN201103527Y Capacity type hydraulic driving reciprocating compressor |
| 08/20/2008 | CN201103522Y Vehicle mounted electric motor type concrete delivery pump |
| 08/20/2008 | CN101245776A Magnetic driven metering pump |
| 08/20/2008 | CN101245770A Electromotor driven metering pump |
| 08/20/2008 | CN100412370C Protector for multifunction oil-well pump |
| 08/20/2008 | CN100412369C A method and device for the pneumatic operation of a tool |
| 08/20/2008 | CN100412365C Device for lifting piston compressor air inlet valve based on time control |
| 08/19/2008 | US7413416 Progressing cavity pump |
| 08/19/2008 | US7413415 Reciprocating electromagnetic micro-pump, particularly for small electrical appliances |
| 08/19/2008 | US7413414 Air compressor assembly |
| 08/19/2008 | US7413411 Electronically controlled vacuum pump |
| 08/19/2008 | CA2359458C Integrated pumping system for use in pumping a variety of fluids |
| 08/14/2008 | WO2008096824A1 Displacement control system for variable displacement compressor |
| 08/14/2008 | WO2008096652A1 Pump torque control device for hydraulic construction machine |
| 08/14/2008 | WO2008095525A1 Electro-hydraulic control arrangement |
| 08/14/2008 | US20080193299 High pressure slurry plunger pump |
| 08/14/2008 | DE202008007146U1 Pumpenelement Pump element |
| 08/13/2008 | EP1954946A2 Systen and method for position control of a mechanical piston in a pump |
| 08/13/2008 | EP1153215B8 Variable output pump for gasoline direct injection |
| 08/13/2008 | CN201100229Y A compressor and refrigerator with this compressor |
| 08/13/2008 | CN201100227Y Liquid induction control micro pump |
| 08/13/2008 | CN101240396A Alloy and heat protector outer casing using the same |
| 08/13/2008 | CN100410602C Cooling medium compressor arrangement |
| 08/13/2008 | CN100410536C Controller for construction machine and method for computer input torque |
| 08/13/2008 | CN100409907C Breast pump |
| 08/12/2008 | US7410346 Oil pump |
| 08/12/2008 | US7409997 Electric submersible pump with specialized geometry for pumping viscous crude oil |
| 08/12/2008 | US7409901 Variable stroke assembly |
| 08/12/2008 | US7409829 Pump unit |
| 08/07/2008 | WO2008095205A2 Multi index with stroke selector pump |
| 08/07/2008 | WO2008064759A8 High pressure cleaning device, and a method for varying the motor power thereof |
| 08/07/2008 | US20080188994 Fan speed control from adaptive voltage supply |
| 08/07/2008 | US20080187446 Pressure regulating variable displacement vane pump |
| 08/07/2008 | US20080187444 Real time optimization of power in electrical submersible pump variable speed applications |
| 08/07/2008 | US20080187443 Adjustable frequency pump control system |
| 08/06/2008 | EP1953392A1 Pump torque controller of hydraulic working machine |
| 08/06/2008 | EP1952022A2 System and method for a pump with reduced form factor |
| 08/06/2008 | EP1495226B1 Variable stroke/clearance mechanism |
| 08/06/2008 | CN201096084Y Reciprocating type dosage pump digital display controlling means |