| 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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| 07/16/2002 | US6419454 Air compressor control sequencer |
| 07/11/2002 | WO2002053957A1 Leak control valve |
| 07/11/2002 | WO2001011237A9 Piston assembly |
| 07/11/2002 | US20020090304 Apparatus and method for controlling a compressor |
| 07/11/2002 | US20020088241 Apparatus and method for controlling electric compressor |
| 07/11/2002 | DE10154857A1 Gerät und Verfahren zum Steuern eines Kompressors mit variablem Hubraum Apparatus and method for controlling a variable displacement compressor |
| 07/11/2002 | DE10143206A1 Vorrichtung und Verfahren zur Steuerung eines Auslaßdruckes einer Hydraulikpumpe mit variabler Verdrängung Apparatus and method for controlling a discharge pressure of a hydraulic variable displacement pump |
| 07/10/2002 | EP1221552A2 High-pressure pump for use in fuel injection system for diesel engine |
| 07/10/2002 | EP1220990A1 Adjusting device of a swash-plate piston engine |
| 07/09/2002 | US6416297 Stopping means for preventing movement of the drive shaft of a variable displacement compressor |
| 07/09/2002 | US6416293 Pumping cartridge including a bypass valve and method for directing flow in a pumping cartridge |
| 07/09/2002 | US6416290 Turbo molecular pump |
| 07/04/2002 | US20020085929 Integrated instrument assembly for compressors |
| 07/04/2002 | US20020085928 Diaphragm type fuel pump |
| 07/04/2002 | US20020085923 Variable displacement pump |
| 07/04/2002 | US20020085921 High pressure pump system for supplying a cryogenic fluid from a storage tank |
| 07/04/2002 | DE10156440A1 Verfahren und Vorrichtung zur Bestimmung eines Ventilzustandes Method and apparatus for determining a state of valve |
| 07/04/2002 | DE10100108A1 Hydrostatic cylinder displacement unit for vehicle braking systems has adjustable minimum displacement volume to alter braking torque |
| 07/04/2002 | DE10063525A1 Verstellvorrichtung zum Verstellen eines auf das Verdrängungsvolumen einer hydrostatischen Maschine einwirkenden Stellkolbens Adjusting device for adjusting a force acting on the displacement volume of a hydrostatic machine setting piston |
| 07/04/2002 | DE10063273A1 Überdruckerzeugungsvorrichtung und Ventil Increased pressure-producing device and valve |
| 07/03/2002 | EP1220064A2 Disturbance estimated type control system, gas compressor control system and method of designing a disturbance estimated type control system |
| 07/03/2002 | EP1219836A2 Compressor with outlet pressure control |
| 07/03/2002 | EP1219831A2 Stroke adjustment device for a variable displacement hydrostatic machine |
| 07/03/2002 | CN1357094A Refrigerant compressor driven by variable supply frequency motor |
| 07/03/2002 | CN1356473A Equipment and method for controlling linear compressor |
| 07/03/2002 | CN1356472A Equipment and method for controlling operation of linear compressor |
| 07/03/2002 | CN1356471A Equipment and method for using pattern recognization to control running of linear compressor |
| 07/03/2002 | CN1356470A Equipment and method for controlling compressor |
| 07/03/2002 | CN1356469A Equipment and method for detecting stroke vibration of linear compressor |
| 07/03/2002 | CN1356468A Apparatus and method for controlling operation of linear compressor |
| 07/02/2002 | US6414455 System and method for variable drive pump control |
| 07/02/2002 | US6413055 Swashplate position assist mechanism |
| 07/02/2002 | US6412294 Control device of variable displacement compressor |
| 06/27/2002 | WO2002050622A1 Positive pressure generation device and valve |
| 06/27/2002 | WO2002050435A1 Control device for construction machine |
| 06/27/2002 | WO2001079693A3 Apparatus for adjusting the stroke length of a pump element |
| 06/27/2002 | US20020081224 Scroll-type compressor |
| 06/27/2002 | US20020081216 Control switch assembly for an air pump |
| 06/27/2002 | US20020078928 Variable delivery type fuel supply apparatus |
| 06/27/2002 | DE10061621A1 Fuel high pressure pump has integrated overpressure protection device in form of valve with defined opening pressure |
| 06/26/2002 | EP1217216A2 Compressor lubrication control |
| 06/26/2002 | EP1217213A2 Scroll-type compressor |
| 06/26/2002 | EP1217212A2 Restarting device of a pump |
| 06/26/2002 | EP1217211A2 Fluid machinery |
| 06/26/2002 | EP0954704B1 Flow control valve |
| 06/26/2002 | CN1355453A Circuit for driving linear compressor |
| 06/26/2002 | CN1355384A Control method for automatic balance regulation of pumping unit |
| 06/25/2002 | US6409479 Variable displacement piston pump/motor |
| 06/25/2002 | US6409476 Pumpjack dynamometer and method |
| 06/25/2002 | US6408972 Electronic traction control system |
| 06/25/2002 | US6408824 Device for regulating the delivery pressure of a pump, for example, for feeding fuel to an internal combustion engine |
| 06/25/2002 | US6408645 Air-conditioner, outdoor unit and refrigeration unit |
| 06/25/2002 | US6408635 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 06/20/2002 | WO2002049178A2 Compressor terminal fault interruption |
| 06/20/2002 | WO2002048548A1 Radial piston pump |
| 06/20/2002 | WO2002008601A3 Dosing pump with an electric motor |
| 06/20/2002 | WO2002004811A3 Method for controlling the electric motor of a metering pump |
| 06/20/2002 | US20020076340 Restarting device of a pump |
| 06/20/2002 | US20020076333 Heater material |
| 06/20/2002 | US20020076332 Fail safe electronic pressure switch for compressor motor |
| 06/20/2002 | US20020073836 Fluid machinery |
| 06/20/2002 | US20020073722 Displacement control apparatus for variable displacement compressor |
| 06/20/2002 | DE10152205A1 Verdrängungssteuerungsgerät für einen Verdichter mit veränderlicher Verdrängung Displacement control device for a compressor with variable displacement |
| 06/19/2002 | CN1354103A Electronic pull-in control system |
| 06/18/2002 | US6407530 Device and method for controlling supply of current and static capacitance to compressor |
| 06/18/2002 | US6406278 High-pressure pump with a removable on-off valve for feeding fuel to an internal combustion engine |
| 06/18/2002 | US6406266 Motor protector on non-orbiting scroll |
| 06/18/2002 | US6405530 Non-feedback proportional electronic control for a variable displacement pump |
| 06/13/2002 | US20020071769 Screw compressor system and operating method thereof |
| 06/13/2002 | US20020069916 Method and apparatus for determining a valve status |
| 06/13/2002 | US20020069847 Oil supplying apparatus and method of controlling the same |
| 06/13/2002 | US20020069658 Control apparatus for variable displacement compressor |
| 06/13/2002 | US20020069656 Air- conditioning device for a vehicle and device for controlling an engine for a vehicle |
| 06/13/2002 | DE10158341A1 Pump for motor vehicle hydraulic steering has radial piston pump with belt drive and inlet throttling for high rotational speeds |
| 06/13/2002 | DE10157699A1 Control circuit for air conditioning coolant compressor has detector for differences in compressor reciprocation and coolant flow to adjust for variations in phase |
| 06/12/2002 | EP1213478A1 Radial piston pump |
| 06/12/2002 | CN1353796A Apparatus for preventing vacuum compression of scroll compressor |
| 06/12/2002 | CN1353794A Pump control method and pump control device |
| 06/12/2002 | CN1353654A Vehicle air braking systems |
| 06/06/2002 | WO2002044626A1 System and method of pressure distribution and pressure regulation for heating and air-conditioning units, and a very high-rise building utilizing the same |
| 06/06/2002 | WO2000065237A9 Gas pressurized liquid pump with intermediate chamber |
| 06/06/2002 | US20020067994 Control valve for variable displacement compressor |
| 06/06/2002 | US20020066482 Safety device for a fluid transmission |
| 06/06/2002 | DE10157700A1 Schaltung zur Ansteuerung eines linearen Kompressors Circuit for driving a linear compressor |
| 06/06/2002 | DE10147610A1 Reciprocating compressor controller for refrigerator, controls voltage supply to drive circuit to make stroke corresponding to detected phase difference inflection point |
| 06/06/2002 | DE10144622A1 Control system for e.g. refrigerator- or air conditioning linear compressor, varies voltage applied in accordance with adjusted stroke reference value |
| 06/06/2002 | DE10119524A1 Verstellbarer Kompressor mit Kapazitätssteuerungsvorrichtung Adjustable compressor capacity control apparatus |
| 06/06/2002 | CA2429006A1 System and method of pressure distribution and pressure regulation for heating and air-conditioning units, and a very high-rise building utilizing the same |
| 06/05/2002 | EP1007849A4 Automated, quantitative filtration of liquids |
| 06/05/2002 | EP1003972B1 Turning control device with brake and control valves |
| 06/05/2002 | EP0950267B1 Process for supplying with air a polymer electrolyte membrane (pem) fuel cell system |
| 06/05/2002 | CN2494428Y Pivot-changing beam pumping unit |
| 06/04/2002 | US6398516 Variable displacement compressors and control valves for variable displacement compressors |
| 06/04/2002 | US6398508 Control switch assembly for an air pump |
| 06/04/2002 | US6397892 Multi-stage unloader |
| 05/30/2002 | US20020064695 Drive system and method for the operation of a fuel cell system |
| 05/30/2002 | US20020064467 Control valve for variable displacement type compressor |
| 05/30/2002 | US20020064466 Piston pump |
| 05/30/2002 | US20020064464 Apparatus and method for controlling operation of compressor |
| 05/30/2002 | US20020064463 Apparatus and method for controlling operation of linear compressor |