| 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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| 05/07/2009 | WO2007064679A3 Estimation and control of a resonant plant prone to stick-slip behavior |
| 05/07/2009 | US20090116976 High-pressure liquid supply pump |
| 05/07/2009 | US20090116975 Screw Compressor Comprising a Relief Valve |
| 05/07/2009 | DE102007052025A1 Pump assembly for preloaded hydraulic circuit of motor vehicle servo steering system, has hydraulic pump comprising suction region that stays in connection with fluid accumulator via hydraulic channel, and throttle provided in channel |
| 05/06/2009 | EP2055965A1 Fluid pressure unit |
| 05/06/2009 | EP2055952A2 Variable displacement compressor |
| 05/06/2009 | EP2055950A1 Method of controlling a cyclically commutated hydraulic pump |
| 05/06/2009 | EP2055949A1 Operating method for fluid working machine |
| 05/06/2009 | EP2055948A1 Method of controlling a cyclically commutated hydraulic pump |
| 05/06/2009 | EP2055947A1 Method fo controlling a cyclically commutated hydraulic pump |
| 05/06/2009 | EP2055946A1 Operating mehtod for fluid working machine |
| 05/06/2009 | EP2055945A1 Method of operating a fluid working machine |
| 05/06/2009 | EP2055944A1 Method of controlling a cyclically commutated hydraulic pump |
| 05/06/2009 | EP2055943A1 Method of operating a fluid working machine |
| 05/06/2009 | EP2055942A1 Hydraulic system with supplement pump |
| 05/06/2009 | EP2055929A2 High-pressure liquid supply pump |
| 05/06/2009 | EP2054621A2 A digital hydraulic pump/motor torque modulation system and apparatus |
| 05/06/2009 | EP2003407A9 Air conditioner |
| 05/06/2009 | CN201232626Y Control device for air compressor |
| 05/06/2009 | CN201232620Y Stepless air flow adjusting device of reciprocating compressor applying to explosive gas region |
| 05/06/2009 | CN201232617Y Double-core air compressor |
| 05/06/2009 | CN101427190A Centrifugal pump unit with switching device |
| 05/06/2009 | CN101427024A Metering pump device |
| 05/06/2009 | CN101424261A Double compressor with distributing valve photovoltaic electric straight driving flange connection air conditioner |
| 05/06/2009 | CN101424257A Cryopump apparatus and operation method therefor |
| 05/06/2009 | CN101424256A Photovoltaic electric straight driving internal thread joint air-conditioned compressor |
| 05/05/2009 | US7528560 Driving controlling apparatus of linear compressor and method thereof |
| 05/05/2009 | CA2474410C Hydraulic multiphase pump |
| 04/30/2009 | WO2009054640A2 Reciprocating compressor |
| 04/30/2009 | WO2009012083A3 Precision pump with multiple heads |
| 04/30/2009 | WO2007078418A3 Multi-compressor string with multiple variable speed fluid drives |
| 04/30/2009 | US20090112165 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/30/2009 | US20090112156 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/30/2009 | US20090112155 Micro Diaphragm Pump |
| 04/30/2009 | US20090110570 Scroll compressor |
| 04/30/2009 | US20090110562 Variable frequency control module for an AC compressor in an air conditioning system |
| 04/30/2009 | DE102008032925A1 Druckluftkompressor Air compressor |
| 04/30/2009 | DE102007051940A1 Aufgeladener Kompressor und Verfahren zur Steuerung eines aufgeladenen Kompressors A supercharged compressor and method for controlling a compressor supercharged |
| 04/29/2009 | EP2053246A1 A braking controller of a three-phase permanent magnetic brushless dc motor for directly driving a screw pump |
| 04/29/2009 | EP1846640A4 Compressor slide valve lubrication |
| 04/29/2009 | CN201228625Y Energy-conserving control device of air compressing engine for vehicle |
| 04/29/2009 | CN101418788A Displacement control valve for compressor with variable displacement |
| 04/29/2009 | CN101418787A Rainwater pump control device and rainwater pump control method |
| 04/29/2009 | CN101418695A Intelligent local ventilation system |
| 04/29/2009 | CN101418585A Family domestic waste water selective recovery apparatus |
| 04/29/2009 | CN100482939C Hydraulic motor/pump |
| 04/28/2009 | CA2470870C Equipment for controlling blood flow in an extracorporeal blood circuit |
| 04/23/2009 | WO2009049649A1 Set of piston compressors and method for oil compensation |
| 04/23/2009 | WO2009028963A3 Variable pressure water delivery system |
| 04/23/2009 | WO2007067359A3 System and method for correcting for pressure variations using a motor |
| 04/23/2009 | WO2007067344A3 System and method for operation of a pump |
| 04/23/2009 | WO2007021817A3 Apparatus and method for handling fluids at nano-scale rates |
| 04/23/2009 | US20090105649 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/23/2009 | US20090105648 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/23/2009 | US20090105647 Variable Volume, Shape Memory Actuated Insulin Dispensing Pump |
| 04/23/2009 | US20090104049 Sliding Vane Pump |
| 04/23/2009 | US20090104048 Axial Piston Compressor |
| 04/23/2009 | US20090104047 Pump having multiple minimum flow mechanical stops |
| 04/23/2009 | US20090104045 High pressure pump having plunger |
| 04/23/2009 | US20090104044 Pump controller system and method |
| 04/23/2009 | US20090101725 Climate Control System with Automatic Wiring Detection |
| 04/23/2009 | US20090101214 Gas supply system for a pumping arrangement |
| 04/22/2009 | EP2050961A2 Hydraulic drive system |
| 04/22/2009 | EP2050958A1 Control device for variable displacement compressor, and control method for the variable displacement compressor |
| 04/22/2009 | EP2049847A1 Suction valve pulse width modulation control based on compressor temperature |
| 04/22/2009 | EP2049799A2 Systems and methods for power ride-through in variable speed drives |
| 04/22/2009 | EP2049778A1 A cooling system and a transmission system having said cooling system integrated therewith |
| 04/22/2009 | CN201225303Y Main seal leakage monitoring apparatus in water cooled double-end face mechanical seal pump |
| 04/22/2009 | CN201225264Y Clearance stepless adjusting device of piston reciprocating compressor |
| 04/22/2009 | CN101416003A Air conditioner |
| 04/22/2009 | CN101415938A Device for controlling the blades of a wind turbine |
| 04/22/2009 | CN101413495A Suction structure in double-headed piston type compressor |
| 04/22/2009 | CN100480511C A sensor assembly, a fluid pump and a cooler |
| 04/22/2009 | CN100480510C Method for driving pump |
| 04/21/2009 | US7520736 Sewage handling system, cover, and controls |
| 04/21/2009 | US7520732 Pump |
| 04/21/2009 | US7520730 Apparatus and method for controlling operation of compressor |
| 04/21/2009 | CA2419713C A system and method for compressing a fluid |
| 04/16/2009 | WO2009048578A1 Variable speed compressor protection system and method |
| 04/16/2009 | WO2009048575A1 Compressor protection system and method |
| 04/16/2009 | WO2009048566A2 System and method for monitoring overheat of a compressor |
| 04/16/2009 | WO2009048563A2 Compressor having a power factor correction system and method |
| 04/16/2009 | WO2009016355A3 Cavitation detection |
| 04/16/2009 | US20090097988 Airflow control for variable speed blowers |
| 04/16/2009 | US20090097987 Driving control apparatus and method for linear compressor |
| 04/16/2009 | US20090097986 Oil pressure unit and speed control method of motor in oil pressure unit |
| 04/16/2009 | US20090097985 Control system for reciprocating device |
| 04/16/2009 | US20090097984 Operation control device for vacuum pump and method for stopping operation thereof |
| 04/16/2009 | DE102008046025A1 Kältekreislaufvorrichtung für Fahrzeug Refrigerant cycle device for vehicle |
| 04/16/2009 | DE102004031673B4 Medizinische Pumpe Medical pump |
| 04/15/2009 | EP1723336B1 Cryogenic fluid pumping system |
| 04/15/2009 | EP1409873B1 Valve block for a control device, particularly for a hydrostatic machine |
| 04/15/2009 | CN201221450Y Control following variable plunger pump |
| 04/15/2009 | CN201221449Y 180 Mpa electrohydraulic proportional control radial plunger pump |
| 04/15/2009 | CN101410620A Capacity control valve |
| 04/15/2009 | CN101408162A Strong self-priming full-automatic vacuum extractor for pump |
| 04/15/2009 | CN101408160A Photovoltaic electric direct-driven flange connection air conditioner compressor |
| 04/15/2009 | CN101408159A Photovoltaic electric direct-driven clip connection air conditioner compressor |
| 04/15/2009 | CN101408158A Photovoltaic electric direct-driven clamping sleeve connection air conditioner compressor |
| 04/15/2009 | CN101408157A Photovoltaic electric direct-driven union connection air conditioner compressor |