| 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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| 07/07/2010 | CN201521428U Energy-saving piston balanced pump control valve |
| 07/07/2010 | CN201521427U Valve plate of plunger pump with blind hole |
| 07/07/2010 | CN201521426U Control device of automobile air conditioner compressor |
| 07/07/2010 | CN201521425U Intelligent control system device for collecting data of petroleum output pump |
| 07/07/2010 | CN201521424U Control device for resolving concrete pumping discontinuity of boom pump trucks |
| 07/07/2010 | CN201521423U 混凝土输送泵自动反泵控制机构 Concrete pump automatic anti-pump control mechanism |
| 07/07/2010 | CN1690424B Permanent low cost radio frequency compressor identification |
| 07/07/2010 | CN101772645A Hydrostatic machine having an actuating device comprising a return element for actuating a control valve |
| 07/07/2010 | CN101772644A Method and apparatus for resisting disabling fouling of compressors in multistage compression systems |
| 07/07/2010 | CN101772441A Pump control apparatus and brake control system |
| 07/07/2010 | CN101769255A Long-lifetime compressor |
| 07/06/2010 | CA2459405C Electronic control system and process for electromagnetic pump |
| 07/01/2010 | WO2010075212A2 Hydraulic control system utilizing feed-foward control |
| 07/01/2010 | WO2010072803A1 Simulation-supported method for controlling and regulating compressed air stations |
| 07/01/2010 | US20100166572 Braking Controller of a Three-Phase Permanent Magnetic Brushless DC Motor for Directly Driving a Screw Pump |
| 07/01/2010 | US20100166570 Method and apparatus for detecting the fluid condition in a pump |
| 07/01/2010 | US20100166569 Sewage pump blockage detection |
| 07/01/2010 | US20100162741 Uninterruptable power supply for water pump |
| 07/01/2010 | DE102008064139A1 Hydraulic control arrangement for pressure medium supply of differential cylinder of e.g. backhoe loader, has forward pressure medium supply path arranged downstream from control valve and lowering brake valve |
| 07/01/2010 | DE102008064136A1 Hydraulic control arrangement for pressurizing medium supply to load, has valve unit, by which inlet to load is connected with pump, and return from load is connected with tank |
| 07/01/2010 | DE102008054880A1 Hydrauliksystem Hydraulic system |
| 07/01/2010 | DE102008054876A1 Hydrauliksystem Hydraulic system |
| 07/01/2010 | DE10127907B4 Stelleinrichtung für eine hydrostatische Verdrängereinheit Adjusting means for a hydrostatic displacer unit |
| 07/01/2010 | CA2747066A1 A method for controlling a compressor system |
| 07/01/2010 | CA2746110A1 Simulation-supported method for controlling and/or regulating compressed air stations |
| 06/30/2010 | EP2201437A2 Compressor having a power factor correction system and method |
| 06/30/2010 | CN201517492U Control device of bottom valve of sucker rod pump |
| 06/30/2010 | CN201517478U Plunger type variable-speed stroke-adjustable metering pump |
| 06/30/2010 | CN101761470A Closing-storing and unloading control valve for sudden-stop of bump |
| 06/30/2010 | CN101761469A Hydraulic pump control device for building machine |
| 06/30/2010 | CN101761468A Novel peristaltic pump and operation, control and correction method thereof |
| 06/29/2010 | US7744353 Fluid pump and high-pressure fuel feed pump |
| 06/29/2010 | US7743610 Fuel efficient hydraulic power steering |
| 06/24/2010 | US20100161134 Variable capacity compressor controller and variable capacity compressor control method |
| 06/24/2010 | US20100158709 Plug Unloader Using Low Force Actuator For Reciprocating Compressors |
| 06/24/2010 | US20100158704 Compliant-seal check valve |
| 06/24/2010 | US20100158702 Air compressor system |
| 06/24/2010 | US20100155036 Cooling system |
| 06/24/2010 | US20100154421 Rankine system with gravity-driven pump |
| 06/24/2010 | US20100154401 Hydraulic control system having flow force compensation |
| 06/24/2010 | US20100154398 Fluid pressure unit |
| 06/24/2010 | DE102008064491A1 Simulationsgestütztes Verfahren zur Steuerung bzw. Regelung von Druckluftstationen Simulation based method for controlling pressure of air stations |
| 06/24/2010 | DE102008064490A1 Verfahren zum Steuern einer Kompressoranlage A method for controlling a compressor system |
| 06/23/2010 | EP2199623A2 Hydraulic system |
| 06/23/2010 | EP2199622A2 Hydraulic system |
| 06/23/2010 | EP2198159A1 Compressor assembly having electronics cooling system and method |
| 06/23/2010 | CN201513965U No-subpressure high-level heating plant |
| 06/23/2010 | CN201513334U Fixed electric fire pump control system |
| 06/23/2010 | CN201513333U Device for distinguishing and protecting power phase sequence in comprehensive intelligent control equipment of air compressor |
| 06/23/2010 | CN201512844U Vacuum system secondary lifting device |
| 06/23/2010 | CN201509579U Household vacuum preservation machine |
| 06/23/2010 | CN1699755B A compressor controller and method |
| 06/23/2010 | CN101755126A Capacity modulated scroll compressor system and method |
| 06/23/2010 | CN101749343A Electromagnetic drum brake for oil sucking machine |
| 06/23/2010 | CN101749223A Method for controlling temperature of lubricating oil of compressor with low pressure chamber |
| 06/23/2010 | CN101749222A Multifunctional motor control device |
| 06/23/2010 | CN101749221A Linked switch of power mechanical pump |
| 06/23/2010 | CN101749220A Torsional mode damping apparatus |
| 06/23/2010 | CN101203675B Device and method for transporting medicinal liquids |
| 06/23/2010 | CN101137840B 压缩机噪音抑制 Compressor noise suppression |
| 06/17/2010 | WO2010036614A3 Compressor discharge control on a transport refrigeration system |
| 06/17/2010 | US20100150745 Yoke position sensor for a hydraulic device |
| 06/17/2010 | US20100150740 Sealing system device |
| 06/17/2010 | US20100150737 Determination and Control of Wellbore Fluid Level, Output Flow, and Desired Pump Operating Speed, Using a Control System for a Centrifugal Pump Disposed within the Wellbore |
| 06/17/2010 | US20100150736 Fan system having improved availability and method for its operation |
| 06/17/2010 | DE112008000978T5 Hydraulische Pumpe mit variablem Durchfluss und Druck und verbesserter elektrischer Steuerung mit offenem Regelkreis Hydraulic pump with variable flow and pressure and improved electrical control open loop |
| 06/17/2010 | DE102008062054A1 Anordnung mit Vakuumpumpe und Verfahren zum Betrieb einer Vakuumpumpe Arrangement with a vacuum pump and method of operating a vacuum pump |
| 06/16/2010 | EP2196669A2 Assembly with vacuum pump and method for operating same |
| 06/16/2010 | EP2195540A1 Compressor protection system and method |
| 06/16/2010 | EP2195539A2 System and method for monitoring overheat of a compressor |
| 06/16/2010 | CN201508222U Portable wheel load scale for railway vehicles |
| 06/16/2010 | CN201507433U Water pump monitor |
| 06/16/2010 | CN201507432U Water pump monitor |
| 06/16/2010 | CN201507431U Coal bed gas immersed pump drainage and extraction equipment control cabinet |
| 06/16/2010 | CN201507430U Intrinsic safety type operating console for water pumps |
| 06/16/2010 | CN201507417U Slide valve pump with automatic gas ballast valve for vacuum aluminum coating machine |
| 06/16/2010 | CN201507290U Beam-pumping unit fluted disc type braking safety device |
| 06/16/2010 | CN1948755B A compressor and a driving method thereof |
| 06/16/2010 | CN101737314A Precise glue pump with high viscosity |
| 06/16/2010 | CN101737309A Device and method for stabilizing pressure of decarburizing pressure swing adsorption vacuum pump |
| 06/16/2010 | CN101737308A Control apparatus for solenoid pump of instant heating steam cleaner |
| 06/16/2010 | CN101382131B Pressure testing downhole oil production screw pump |
| 06/16/2010 | CN101368553B Planetary gear stepless variable high pressure axial plunger pump |
| 06/16/2010 | CN101233321B Reciprocating pump with electronically monitored air valve and piston |
| 06/16/2010 | CN101230849B Double-piston hydropower pressure regulating pump |
| 06/16/2010 | CN101201049B Suction throttle valve of a compressor |
| 06/15/2010 | US7738233 Method and device for operating an inductive load with different electric voltages |
| 06/15/2010 | US7735447 Shock absorbing fluidic actuator |
| 06/15/2010 | CA2510139C Method and system for improving pump efficiency and productivity under power disturbance conditions |
| 06/10/2010 | US20100143162 Suction shutoff valve |
| 06/10/2010 | US20100143161 Quad Chamber Mixing Pump |
| 06/10/2010 | US20100143158 Variable speed air compressing system |
| 06/10/2010 | US20100143157 Method and system for detecting cavitation of pump and frequency converter |
| 06/10/2010 | US20100143156 Fail-Safe Control Method for Oil Pump Control Unit of Hybrid Vehicle |
| 06/10/2010 | US20100143155 Piston Pump Having A Force Sensor And A Method For Controlling Said Pump |
| 06/10/2010 | DE112008002061T5 Pumpensteuereinrichtung und Bremssteuersystem Pump control means and brake control system |
| 06/10/2010 | DE112008001825T5 Verdrängungssteuersystem für einen Kompressor mit variabler Verdrängung Displacement control system for a variable displacement compressor |
| 06/10/2010 | DE102008060306A1 Hydraulic servo steering system for motor vehicle, has pump and pump drive motor, which is operated alternatively in defined high power level, in defined low power level and in defined auxiliary power level |
| 06/10/2010 | DE102008054412A1 Compressed air supply system for commercial vehicle, has compressed air discharging arrangement that is attached to cylinder/piston assembly to discharge compressed air from cylinder chamber into inner chamber in compressor |
| 06/09/2010 | CN201503378U Automatic regurgitation-feeding type lysimeter |