| 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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| 04/27/2011 | CN102032158A Standard procedures of air compressor |
| 04/27/2011 | CN102032140A Handheld electric vacuum pump, control system thereof and vacuum refreshing system |
| 04/27/2011 | CN102032139A System and method for adjusting energy of magnetic suspension compressor |
| 04/27/2011 | CN102029268A Dual-control steam cleaner |
| 04/27/2011 | CN102028986A End face peristaltic infusion pump and control method thereof |
| 04/27/2011 | CN101691860B Pressure shut-off valve used for power controller |
| 04/27/2011 | CN101542123B Inverter compressor operation method and compressor drive device |
| 04/26/2011 | US7931453 Capacity variable device for rotary compressor and driving method of air conditioner having the same |
| 04/26/2011 | US7931452 Suction throttle valve of a compressor |
| 04/26/2011 | US7931448 System and method for manufacturing a brushless DC motor fluid pump |
| 04/26/2011 | US7931447 Drain safety and pump control device |
| 04/21/2011 | WO2011045900A1 Operating device and method for hydraulic pumps in hydraulic systems |
| 04/21/2011 | US20110091335 Calculation of downhole pump fillage and control of pump based on said fillage |
| 04/21/2011 | US20110091332 Calculation of downhole pump fillage and control of pump based on said fillage |
| 04/21/2011 | US20110091330 Condensate Removal Pump Controller Using Acoustic Liquid Level Sensor |
| 04/21/2011 | US20110091329 Pumping System with Two Way Communication |
| 04/21/2011 | DE102009049995A1 Kaltstartventil Cold start valve |
| 04/20/2011 | EP2312160A2 Drive unit for compressor and refrigerator |
| 04/20/2011 | EP2312159A2 Drive unit for compressor and refrigerator |
| 04/20/2011 | EP2310683A1 A compressible fluid pumping system |
| 04/20/2011 | EP2220444B1 Set of piston compressors and method for oil compensation |
| 04/20/2011 | EP1552146B1 Fluid delivery device, system and method |
| 04/20/2011 | EP1316727B1 Electric oil pump controller |
| 04/20/2011 | CN201804950U vacuum pumping device for slurry of lithium ion battery |
| 04/20/2011 | CN201802607U Electrohydraulic control system applied to concrete or coal slurry conveying device |
| 04/20/2011 | CN201802606U Electric control device for air compressor |
| 04/20/2011 | CN201802605U Water injection device capable of automatically controlling water level |
| 04/20/2011 | CN201802604U Quick inflation exhaust pump |
| 04/20/2011 | CN201802603U Protecting device for water pump of hanging ironing machine |
| 04/20/2011 | CN201802602U Control system for electric air pump of vehicle |
| 04/20/2011 | CN201802601U Variable-frequency control system of slurry pump |
| 04/20/2011 | CN201802600U Air compressor |
| 04/20/2011 | CN201802586U Safety valve for inflator |
| 04/20/2011 | CN102022313A Control system and method of air compressor unit |
| 04/20/2011 | CN102022312A Pump system and control method thereof |
| 04/20/2011 | CN102022311A Electric energy control method and electric energy control system for dedusting equipment |
| 04/20/2011 | CN102022303A Dual-driving oil pump and control system thereof |
| 04/20/2011 | CN102022079A Outburst-prevention drilling machine on mining surface of gassy outburst coal mine and frequency conversion variable liquid-supplying self-walking pump station thereof |
| 04/19/2011 | US7927079 Electrically operated hydraulic pump |
| 04/15/2011 | CA2812709A1 Calculation of downhole pump fillage and control of pump based on said fillage |
| 04/15/2011 | CA2717720A1 Calculation of downhole pump fillage and control of pump based on said fillage |
| 04/14/2011 | WO2011043722A1 A hydraulic pump assembly |
| 04/14/2011 | WO2010117486A3 High pressure variable displacement piston pump |
| 04/14/2011 | US20110085923 Method and Device for Regulating Fluid Pump Pressures |
| 04/14/2011 | US20110085921 Apparatus Having Control Valve and Variable Capacitance Pump and Hydraulic Pressure Circuit of Internal Combustion Engine in which the Same Apparatus is Used |
| 04/14/2011 | US20110085920 Method and apparatus for dynamic impulse signal attenuation simulation |
| 04/14/2011 | US20110085918 Water-lifting pump apparatus and method of controlling operation thereof |
| 04/14/2011 | US20110085917 Condensate Pump |
| 04/14/2011 | US20110085916 Apparatus/method for temperature controlled methanol injection in oil and gas production streams |
| 04/14/2011 | DE102009048807A1 Method for controlling hydrostatic gearbox, involves connecting valve-controlled hydro machines of hydrostatic gearbox fluidically with each other over pressure pipe |
| 04/13/2011 | EP2307725A1 Multi-piston pump |
| 04/13/2011 | EP2307721A1 Fluid working machines and methods |
| 04/13/2011 | EP2307720A1 Fluid working machines and methods |
| 04/13/2011 | EP2227636B1 Multi-level membrane suction pump |
| 04/13/2011 | EP1709328B1 A linear motor, a linear compressor, a method of controlling a linear compressor, a cooling system, and a linear compressor controlling a system |
| 04/13/2011 | CN201794768U Controlled rotary valve for hydraulic reciprocating pump |
| 04/13/2011 | CN201794767U Control valve with constant power |
| 04/13/2011 | CN201794766U Protector of cage type small flat cable electric pump set |
| 04/13/2011 | CN201794765U Power saving device with high pump efficiency |
| 04/13/2011 | CN201794764U Novel electronic pressure controller |
| 04/13/2011 | CN201794737U Full-automatic water pump pressurizer |
| 04/13/2011 | CN102017396A Linear motor and reciprocating compressor employing the same |
| 04/13/2011 | CN102016326A High capacity chiller compressor |
| 04/13/2011 | CN102014982A Manually-actuated reduced pressure treatment pump having regulated pressure capabilities |
| 04/13/2011 | CN101310113B Engine-load control device for working vehicle |
| 04/12/2011 | US7925385 Method for optimizing valve position and pump speed in a PID control valve system without the use of external signals |
| 04/12/2011 | US7925359 Air compressor and work management data collection system |
| 04/12/2011 | US7922458 Variable volume, shape memory actuated insulin dispensing pump |
| 04/12/2011 | US7922457 System and method for controlling a variable speed compressor during stopping |
| 04/12/2011 | CA2551326C Automated control system for oil well pump |
| 04/07/2011 | WO2011040912A1 Electronic oil pump |
| 04/07/2011 | WO2011040198A1 Gas processing apparatus |
| 04/07/2011 | WO2011039117A1 Pump for a high-pressure cleaning device |
| 04/07/2011 | WO2011039115A1 Pump for a high-pressure cleaning device |
| 04/07/2011 | WO2011039114A1 Pump for a high pressure cleaning device |
| 04/07/2011 | WO2011038706A1 Hydraulic control system |
| 04/07/2011 | US20110081257 Drivetrain and method for providing a supply to a compressed air system |
| 04/07/2011 | US20110081256 System and method for sensing a liquid level |
| 04/07/2011 | US20110081254 Compressor for a refrigeration cycle, refrigeration cycle and method for operating the same |
| 04/07/2011 | US20110080183 Apparatus and method for direct measurement of reciprocating compressor rider band wear |
| 04/07/2011 | US20110079006 Method and apparatus for controlling a variable displacement hydraulic pump |
| 04/07/2011 | US20110079000 Process for starting an SCR system |
| 04/07/2011 | DE112007003348B4 Kompressor mit einer Federdruck-Lamellenkupplung Compressor with a spring loaded multi-disc clutch |
| 04/07/2011 | DE102009049094A1 Pumpe für ein Hochdruckreinigungsgerät Pump for a high-pressure cleaner |
| 04/07/2011 | CA2847137A1 Electronic oil pump |
| 04/07/2011 | CA2762251A1 Electronic oil pump |
| 04/06/2011 | EP2306021A1 Electric compressor |
| 04/06/2011 | EP2306020A1 Method in connection with pump drive |
| 04/06/2011 | EP2305326A1 Reduced pressure pump having regulated pressure capabilities for wound treatment |
| 04/06/2011 | EP2305325A1 Reduced pressure pump having regulated pressure capabilities |
| 04/06/2011 | EP2304238A1 Method for controlling the operation of a compressor |
| 04/06/2011 | EP2304234A1 Linear compressor |
| 04/06/2011 | CN201786628U Manual automatic pumping controller |
| 04/06/2011 | CN201786627U Electric connecting device for coalbed methane well production by electric submersible pump |
| 04/06/2011 | CN201786626U Logic control system for air compressor |
| 04/06/2011 | CN201786625U Configuration management system of air compression station |
| 04/06/2011 | CN201786624U Reversing impact buffer control circuit of concrete pump |
| 04/06/2011 | CN201786623U Primary sintering deoxidization pump station automatic early warning system |
| 04/06/2011 | CN201786604U Marine and outdoor type energy saving air compressor |
| 04/06/2011 | CN102003378A Novel start control circuit for double-winding compressor |