| 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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| 07/03/2013 | CN203035520U Casing of pressure controller |
| 07/03/2013 | CN203035519U Pressure controller |
| 07/03/2013 | CN203035518U Low-pressure protection device of circulating pump |
| 07/03/2013 | CN203035517U Control circuit used for miniature air compressor |
| 07/03/2013 | CN203035516U Water pump control device |
| 07/03/2013 | CN203035515U Automatic control device of water pump |
| 07/03/2013 | CN203035514U Simple boosting pump |
| 07/03/2013 | CN203035513U 水泵压力控制器 Pump pressure controller |
| 07/03/2013 | CN203035512U 光电压力控制器 Photoelectric pressure controller |
| 07/03/2013 | CN203035511U Frequency conversion electronic pressure control device |
| 07/03/2013 | CN203035510U Electronic flow controller |
| 07/03/2013 | CN203035509U Drilling machine slurry pump hydraulic control system capable of sharing main system flow |
| 07/03/2013 | CN203035508U Compressor capacity adjusting system |
| 07/03/2013 | CN203035507U Membrane compressor gas flow regulating system |
| 07/03/2013 | CN203035497U Low-oil-level protective device |
| 07/03/2013 | CN103187909A Motor control unit and electric pump unit |
| 07/03/2013 | CN103185003A Method and apparatus for optimizing energy efficiency of pumping system |
| 07/03/2013 | CN103185002A Electric pump system |
| 07/03/2013 | CN103185001A Control system and control method of compression pump for oxygenerator |
| 07/03/2013 | CN103185000A Compression pump device for oxygenerator |
| 07/03/2013 | CN103184999A Limiting critical point positioning method for guide vane executing mechanism of compressor |
| 07/03/2013 | CN103184996A Cryopump system, cryogenic system, and apparatus and method of controlling compressor unit |
| 07/03/2013 | CN103184994A Motor assembly of motor compressor and assembly method for motor assembly |
| 07/03/2013 | CN101956690B Cryopump and method for monitoring cryopump |
| 07/02/2013 | US8475140 Dual volume-ratio scroll machine |
| 07/02/2013 | US8475138 Self-adaptive piston blood pump |
| 07/02/2013 | US8475137 Electric-motor-driven oil pump control system |
| 07/02/2013 | US8475136 Compressor protection and diagnostic system |
| 07/02/2013 | CA2717720C Calculation of downhole pump fillage and control of pump based on said fillage |
| 06/27/2013 | WO2013092390A1 Reciprocating compressors having timing valves and related methods |
| 06/27/2013 | WO2013091479A1 Pump displacement controller, pumping system, pump vehicle and pump displacement control method |
| 06/27/2013 | WO2013012832A9 Adaptive pump control for positive displacement pump failure modes |
| 06/27/2013 | US20130164446 Liquid Delivery System |
| 06/27/2013 | US20130164146 Method and apparatus for optimizing energy efficiency of pumping system |
| 06/27/2013 | DE19848217B4 Gasverdichter Gas compressor |
| 06/27/2013 | DE102011121837A1 Method for operating rotation speed-variable pump e.g. internal gear pump, involves partly compensating periodical returning troubles by pilot control of rotation speed course to reduce deviation of pump output pressure course |
| 06/27/2013 | DE102009009231B9 Einrichtung und Verfahren zum Zuführen einer Flüssigkeit zu medizinischen Zwecken an einen Operationsort Apparatus and method for supplying a liquid for medical purposes to a surgical site |
| 06/26/2013 | EP2607717A1 Electro-hydraulic drive system for a work machine |
| 06/26/2013 | EP2607700A1 Pressure control assembly with pressure control valve and hydraulic circuit using the same |
| 06/26/2013 | EP2607697A2 Methods and devices for constructively using the pressure pulsations in reciprocating compressors installations |
| 06/26/2013 | EP2606231A1 Multistage compressors for pet bottle blowing processes |
| 06/26/2013 | EP2606000A2 Method for synchronizing linear pump system |
| 06/26/2013 | CN203023800U Water system accurate pressure adjusting device |
| 06/26/2013 | CN203023023U Compressor |
| 06/26/2013 | CN203023022U Safety protection circuit of water-ring vacuum pump |
| 06/26/2013 | CN203023021U Linkage control device for compressed air system in medicine production process |
| 06/26/2013 | CN203023020U Automatic switch for water pump |
| 06/26/2013 | CN203023019U Wireless controller of water injection pump |
| 06/26/2013 | CN203023018U Mechanism for prolonging service life of air compressor |
| 06/26/2013 | CN203023017U Work-conversion frequency dual-purpose hydraulic coupler electric water feeding pump frequency conversion one-driving-two energy saving system |
| 06/26/2013 | CN203023015U Medium- and high- pressure single-screw piston combined type compressor set |
| 06/26/2013 | CN203023007U Barometric switch |
| 06/26/2013 | CN103174634A Intelligent control system and control method of emulsion pump station |
| 06/26/2013 | CN103174633A Long-distance wireless remote control water pumping control device |
| 06/26/2013 | CN103174632A Automatic drainage control device of air pump and automatic drainage device of air pump |
| 06/26/2013 | CN103174631A Submerged pump automatic controller |
| 06/26/2013 | CN103174626A Air pressure control valve and air pump control system using same |
| 06/26/2013 | CN103174510A Double-power engine with adjustable hydraulic and mechanical power output ratio |
| 06/26/2013 | CN102147276B Chemical grouting flowmeter, measuring method and pneumatic single cylinder double-liquid type chemical grouting pump |
| 06/26/2013 | CN102052735B Control method for vehicle power-driven air conditioner compressor |
| 06/26/2013 | CN102022079B Outburst-prevention drilling machine on mining surface of gassy outburst coal mine and frequency conversion variable liquid-supplying self-walking pump station thereof |
| 06/26/2013 | CN101629562B 电控阀 Electric control valve |
| 06/25/2013 | US8469675 Priming protection |
| 06/25/2013 | US8469674 Operation control device and method of compressor |
| 06/25/2013 | US8469673 Electric compressor |
| 06/25/2013 | US8468817 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 06/20/2013 | WO2013089127A1 Working vehicle |
| 06/20/2013 | WO2013088841A1 Diagnostic apparatus and diagnostic method |
| 06/20/2013 | WO2013088732A1 Compressor |
| 06/20/2013 | US20130156609 Air circulator powered by an electronically commuted motor (ecm) and associated method of use |
| 06/20/2013 | US20130156607 Compressor protection and diagnostic system |
| 06/20/2013 | DE102011121501A1 Valve-steered hydraulic machine has subset of cylinder-piston units that are connected to hydraulic operated high and low pressure valve in high and low pressure side |
| 06/20/2013 | DE102011121468A1 Pressure generating system i.e. pumping machine, for e.g. receiving liquid pressure medium, has rotation speed-variable pump outputting under varying pressures, and pump comprising electromotive drive device |
| 06/20/2013 | DE102011088974A1 Verfahren zur Anlaufsteuerung einer elektrischen Unterdruckpumpe A method for controlling a starting electric vacuum pump |
| 06/20/2013 | DE102011088704A1 Method for determining end point of armature movement of magnet armature of reciprocating piston diaphragm pump in motor car, involves determining end point of armature movement from path and correction value in pressurized state of pump |
| 06/20/2013 | DE102011088699A1 Electrical reciprocating piston pump i.e. reciprocating piston membrane pump, controlling method, for e.g. dosing module of selective catalytic reduction-catalyst system, involves determining piston's position from change of current profile |
| 06/19/2013 | CN203010843U Automobile air conditioner refrigeration system |
| 06/19/2013 | CN203009258U Debugging device for variable-displacement piston pump flow control valve |
| 06/19/2013 | CN203009257U Water pump protector |
| 06/19/2013 | CN203009256U Water pump protective device |
| 06/19/2013 | CN203009255U Safety valve blow-down pipeline part |
| 06/19/2013 | CN203009254U Energy-saving controlling device of air compressor |
| 06/19/2013 | CN203009253U Control circuit of air compressor |
| 06/19/2013 | CN203009252U Water supply pump control device |
| 06/19/2013 | CN203009251U Device preventing water suction pump from idling |
| 06/19/2013 | CN203009247U Diaphragm type electromagnetic air pump |
| 06/19/2013 | CN203009243U Medical air compression device |
| 06/19/2013 | CN203009232U Lubrication system of natural gas compressor |
| 06/19/2013 | CN203009219U Compression device for frequency conversion control |
| 06/19/2013 | CN203009204U Solar photovoltaic pump system based on ZigBee technology |
| 06/19/2013 | CN203008116U Water discharge system |
| 06/19/2013 | CN103168173A Dosing pump unit |
| 06/19/2013 | CN103161719A Control of a pump device |
| 06/19/2013 | CN103161718A Control circuit of air compressor |
| 06/19/2013 | CN103161717A Switch |
| 06/19/2013 | CN103161266A Drainage system of building roofs |
| 06/19/2013 | CN102155396B Installation for high pressure compression with several stages |
| 06/19/2013 | CN102116284B No-setting pump no-liquid idling preventing protector |
| 06/19/2013 | CN101910562B Method of operating fluid working machine |
| 06/19/2013 | CN101903225B Hydraulic fluid pump for a motor vehicle brake system, comprising an eccentric drive |