| 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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| 07/18/2001 | CN1304067A heat control system for testing and measuring device |
| 07/17/2001 | US6261068 Gas compressor |
| 07/17/2001 | US6261065 System and methods for control of pumps employing electrical field sensing |
| 07/17/2001 | US6260468 Single-piece proportional control |
| 07/17/2001 | US6260369 Flow control valve for a variable displacement refrigerant compressor |
| 07/12/2001 | US20010007194 Control device of variable displacement compressor |
| 07/12/2001 | DE19962554A1 Adjustable rotating lubrication pump for an internal combustion engine has an eccentric hub operating inside the casing with fitted to a guide ring |
| 07/11/2001 | EP1114932A2 Control device of variable displacement compressor |
| 07/11/2001 | EP1114254A1 Control system and method for air compressor |
| 07/11/2001 | CN1303171A Linear compressor driving device, medium and information assembly |
| 07/11/2001 | CN1302992A Air regulator and controlling valve of varator type compressor |
| 07/11/2001 | CA2325616A1 Variable displacement piston pump/motor |
| 07/10/2001 | US6259220 Constant pressure liquid spraying system controller |
| 07/10/2001 | US6257848 Compressor having a control valve in a suction passage thereof |
| 07/10/2001 | US6257847 Diaphragm pump and pump for double-breast pumping |
| 07/10/2001 | US6257841 Regulating device for positive-displacement pumps |
| 07/10/2001 | US6257838 Gas compressor |
| 07/10/2001 | US6257836 Displacement control valve for variable displacement compressor |
| 07/10/2001 | US6257833 Redundant, dedicated variable speed drive system |
| 07/10/2001 | US6256986 Hydrostatic drive system |
| 07/10/2001 | US6256968 Volumetric vacuum control |
| 07/10/2001 | CA2042567C Compression device, especially for pressure filling of a tank |
| 07/05/2001 | WO2001048379A1 Method of controlling and monitoring piston position in a compressor |
| 07/05/2001 | WO2000020738A9 Gas turbine engine |
| 07/05/2001 | WO2000016464A9 Control system with integrated actuation package |
| 07/05/2001 | DE19959202A1 Overpressure shutoff valve for high pressure piston pumps in common rail systems opens to reduce fuel pressure immediately by ratio of piston and line cross-sections to relieve pump piston |
| 07/05/2001 | DE10055440A1 Lastabfühlendes Hydrauliksteuersystem für eine Pumpe mit variabler Verdrängung Lastabfühlendes hydraulic control system for a variable displacement pump |
| 07/04/2001 | EP1113235A1 Air-conditioning system |
| 07/04/2001 | EP1112100A1 Volumetric infusion pump with servo valve control |
| 07/04/2001 | CN1302395A Systems and methods for remotely controlling machine |
| 07/04/2001 | CN1301943A Air conditioner system |
| 07/04/2001 | CN1301922A Controlling method for pulse oil pumping unit and its device |
| 07/04/2001 | CN1068093C Device and digital controlling rotation speed of an engine for a hydraulic working machine and its controlling method |
| 07/03/2001 | US6254358 Positive-displacement pump |
| 07/03/2001 | US6254357 Fluid pumping apparatus |
| 07/03/2001 | US6254352 Compressor control system for air conditioner |
| 07/03/2001 | US6254351 Snap-acting float assembly with hysteresis |
| 06/28/2001 | WO2001046590A1 Pump with a regulated valve |
| 06/28/2001 | WO2001046589A1 Reducing power consumption in a peristaltic pump mechanism |
| 06/28/2001 | US20010005320 Linear compressor driving device, medium and information assembly |
| 06/28/2001 | DE19961852A1 Pump has valve(s), preferably inlet valve(s), that determines parameter(s) dependent on pressure in pump cylinder and switching time of valve depending on the measured parameter |
| 06/27/2001 | EP1111242A1 Flow regulator for water pump |
| 06/27/2001 | EP1111237A1 Control valve for variable displacement compressor |
| 06/27/2001 | EP1111234A2 Fuel pump |
| 06/27/2001 | EP1110773A2 Driving device for motor-driven compressor |
| 06/27/2001 | EP1110001A1 Fluid compressor aftercooler temperature control system and method |
| 06/27/2001 | CN2436686Y Load reducing silencer for air compressor |
| 06/27/2001 | CN2436682Y Domestic running water pump |
| 06/26/2001 | US6251267 Apparatus for supercritical fluid extraction |
| 06/26/2001 | US6250894 Load sharing valve and system for operating centrifugal pumps in parallel |
| 06/26/2001 | US6250891 Variable displacement compressor having displacement controller |
| 06/26/2001 | US6250600 Bellows-type pressure responsive valve |
| 06/26/2001 | US6250093 Air conditioning system and compressor |
| 06/21/2001 | WO2001044712A1 Method for draining a condensate and a condensate drain |
| 06/21/2001 | WO2001044662A1 Temperature control device of liquid cooling device |
| 06/21/2001 | WO2001043798A1 Method for compensating for pressure differences across valves in cassette type iv pump |
| 06/21/2001 | WO2001036820A9 Hydraulic piston pump |
| 06/21/2001 | US20010004441 Pump for conveying fuel in an internal combustion engine |
| 06/21/2001 | DE19961558A1 Pumpe, insbesondere zur Förderung von Kraftstoff in einem Verbrennungsmotor eines Kraftfahrzeuges Pump, in particular for delivering fuel in an internal combustion engine of a motor vehicle |
| 06/20/2001 | EP1108117A1 Microturbine power generating system including variable-speed gas compressor |
| 06/20/2001 | CN2435545Y Pump pressure-regulating device with automatic returning function |
| 06/20/2001 | CN1300349A Control system for multi-pump operation |
| 06/20/2001 | CN1300348A Variable capacity compressor having adjustable crankpin throw structure |
| 06/20/2001 | CN1067460C Pumping device |
| 06/14/2001 | WO2001042651A1 Radial piston pump |
| 06/14/2001 | WO2001042650A2 Compressor valve with integrated sensor |
| 06/14/2001 | US20010003573 Control valve and variable capacity type compressor having control valve |
| 06/14/2001 | CA2394532A1 A valve for sensing at least one condition within a compressor |
| 06/13/2001 | EP1107093A2 Thermal control for a test and measurement instrument |
| 06/13/2001 | EP1107084A2 By-pass solenoid with integral check valve |
| 06/13/2001 | EP1106833A1 Volume control valve of variable displacement hydraulic rotating machine |
| 06/13/2001 | EP1106831A2 Control valve in a variable capacity compressor |
| 06/13/2001 | EP1106830A2 Control valve in variable displacement compressor |
| 06/13/2001 | EP1106826A2 Flow rate control with a positive displacement liquid pump |
| 06/13/2001 | CN1299294A Fluid delivery mechanism |
| 06/12/2001 | US6244838 Fluid pumping process and system using a pump with a constant intake or delivery rate |
| 06/12/2001 | US6244834 Variable capacity-type scroll compressor |
| 06/12/2001 | US6244831 Control device for variable displacement pump |
| 06/12/2001 | US6244828 Pump and combination pump and trap with snap-over mechanism and double-seal outlet valve |
| 06/12/2001 | US6244825 Pump-protecting device, pump-protecting method and pumping apparatus |
| 06/12/2001 | US6244824 System and methods for controlling rotary screw compressors |
| 06/12/2001 | US6244159 Variable displacement type swash plate compressor and displacement control valve |
| 06/07/2001 | WO2001040656A1 Valve system for controlling the fuel intake pressure in a high-pressure pump |
| 06/07/2001 | WO2001040655A1 Capacity control of a high-pressure pump in a fuel injection system |
| 06/07/2001 | WO2001011245A8 Hydraulic control arrangement for the demand-feed regulated (load-sensing-regulated) hydraulic fluid supply to preferably several hydraulic consumers |
| 06/07/2001 | US20010002977 Oscillation-type compressor |
| 06/07/2001 | DE19958257A1 Semi-closed hydraulic circuit is for control of user unit, particularly differential cylinder, with pump for supply of user unit with pressure medium, after-suction device for pressure |
| 06/07/2001 | DE19954639A1 Hydraulische Kolbenpumpe, insb. für Common Rail-Einspritzsysteme Hydraulic piston pump, esp. For common rail injection systems |
| 06/07/2001 | DE19917904C2 Verfahren und Vorrichtung zur Ansteuerung einer Pumpe zur Hilfsdruckversorgung einer Fahrzeugbremsanlage und entsprechende Fahrzeugbremsanlage Method and apparatus for driving a pump for the auxiliary pressure supply of a vehicle brake system and corresponding vehicle brake system |
| 06/06/2001 | EP1104336A1 Dosage dispenser |
| 06/06/2001 | CN2433417Y Vehicle air compressor energy-saving device of air intake by regulating pressure |
| 06/06/2001 | CN2433416Y High-speed oil pump |
| 06/05/2001 | US6241890 Apparatus comprising means for moving sealed collection vials in and out of position, penetrating means positioned to penetrate seal of plurality of collection vials in series with restrictor capillary tube so fluid may enter vial |
| 06/05/2001 | US6241704 Drug pump systems and methods |
| 06/05/2001 | US6241483 Variable displacement compressor |
| 06/05/2001 | US6240904 Stand alone multi stage fuel pump |
| 06/05/2001 | CA2172712C Improvement in the electronic control arrangement for motor-driven refrigeration compressors |
| 06/05/2001 | CA2108531C Downhole pump of constant differential hydraulic pressure |
| 05/31/2001 | WO2001038762A1 Pressure relief valve assembly |
| 05/31/2001 | US20010002239 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |