| 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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| 10/10/2000 | US6129519 Variable displacement compressor in which a displacement control is improved at an initial stage of the start-up thereof |
| 10/10/2000 | CA2066581C Computer controlled metering pump |
| 10/10/2000 | CA2034753C Electro-pneumatic governor for a compressed air system |
| 10/05/2000 | WO2000058624A1 Variable displacement compressor |
| 10/05/2000 | DE19914404A1 Verfahren und Vorrichtung zur Ansteuerung einer Pumpe einer Bremsanlage Method and apparatus for driving a pump of a brake system |
| 10/05/2000 | DE19914403A1 Braking system has pressure sensor on pump output to detect pressure pulsations during pump operation that are evaluated to obtain measurement signal for controlling/monitoring pump |
| 10/05/2000 | DE19913593A1 Controlled pump assembly with high vacuum, pilot pumps has control unit that switches on pilot pump based on pilot pressure, opens valve when pilot pressure exceeds upper threshold |
| 10/04/2000 | EP1041286A2 Scroll compressor with reverse rotation prevention |
| 10/04/2000 | EP1040976A2 Brake booster apparatus |
| 10/04/2000 | EP1040975A2 Method and device for controlling a pump of a brake system |
| 10/04/2000 | CN1268651A Heat pump having noise proof function |
| 10/03/2000 | US6126406 Variable displacement compressor |
| 10/03/2000 | US6126405 Undulating current supplying means for the solenoid of a displacement control valve in a variable displacement compressor |
| 10/03/2000 | US6126402 Air compressor system |
| 10/03/2000 | US6126249 Brake pressure control devices |
| 10/03/2000 | CA2208194C Variable displacement compressor and its assembling method |
| 09/28/2000 | WO2000057051A1 High-pressure plunger pump |
| 09/28/2000 | DE19913070A1 Radial piston pump as high pressure fuel pump in IC engines has axially moveable cylinder with active surface loaded by pressure medium to lift it off support position when max. pressure is exceeded |
| 09/27/2000 | EP1039134A2 Redundant pump control system |
| 09/27/2000 | EP1039129A2 Device and method for controlling displacement of variable displacement compressor |
| 09/27/2000 | EP1021217A4 Drive system for controlling cardiac compression |
| 09/26/2000 | US6123686 Systems and methods for cassette identification for drug pumps |
| 09/26/2000 | US6123510 Method for controlling fluid flow through a compressed fluid system |
| 09/26/2000 | US6123509 Pressure valve device for a cleaning apparatus |
| 09/26/2000 | US6123508 Fluid level indicator |
| 09/26/2000 | US6122924 Hot gas compressor bypass using oil separator circuit |
| 09/21/2000 | WO2000055528A1 Control system for a hydraulic transformer having variable pressure input |
| 09/21/2000 | DE19960569A1 Pump for variable delivery with fixed displacement has several pistons running forwards and backwards within corresponding cylinders in cylinder block and moved by rotation |
| 09/21/2000 | DE10008682A1 Compressor with variable displacement has suction chamber, output chamber, crank chamber and displacement control mechanism for adjustment of pressure of crank chamber to control displacement of compressor |
| 09/20/2000 | EP1037002A1 Method and apparatus for torque control to regulate power requirement at start up |
| 09/20/2000 | EP1036940A2 Variable displacement compressor |
| 09/20/2000 | CN1267361A Volumetric pump with sterility seal |
| 09/20/2000 | CN1266947A Method and apparatus for adjusting power demand during starting by control of torsion |
| 09/20/2000 | CN1266946A Apparatus and method for controlling displacement of positive displacement compressor |
| 09/19/2000 | US6121739 Dosing pump and method for enhancing dosing precision |
| 09/19/2000 | US6120260 Soft start valve |
| 09/19/2000 | US6119456 Displacement control with load feedback and stroke control for a hydraulic unit |
| 09/14/2000 | DE19916768A1 Vorrichtung und Verfahren zur Regelung eines Kompressors durch Drosselung des Ansaugvolumenstroms Apparatus and method for control of a compressor by throttling the intake volume flow |
| 09/13/2000 | EP1034951A2 Idling engine speed control apparatus |
| 09/13/2000 | CN2396206Y Water level potential energy automatic pressure changing type water pressing pump |
| 09/12/2000 | US6116870 High pressure pump with solenoid operated valve |
| 09/12/2000 | US6116869 Pumping process and system for mixing liquids |
| 09/12/2000 | US6116860 Scroll compressor |
| 09/12/2000 | US6116859 Pressure operated by-pass valve disposed in the cover of a feed pump for reverse flow |
| 09/08/2000 | WO2000052338A2 Pump drive decoupler |
| 09/08/2000 | WO2000052337A1 Device and method for regulating a compressor by throttling the suction volumetric flow |
| 09/08/2000 | WO2000051670A1 A fluid delivery mechanism |
| 09/08/2000 | CA2331077A1 A fluid delivery mechanism |
| 09/07/2000 | DE19953627A1 Closed-loop revolution rate control of ABS pump motor with variable working cycle and frequency involves interrupting power to motor if detected pump speed exceeds threshold value |
| 09/07/2000 | DE19909963A1 Van or roller-cell displacement pump, with second bypass channel between throttle channel and outlet channel |
| 09/07/2000 | DE19909915A1 Sound-optimized air compressor, with compression volume relieved by decompression process shortly before TDC of piston |
| 09/07/2000 | DE19909329A1 Fuel injection system for internal combustion engine, with valve device to block flushing channel below minimum supply pressure of pre-supply pump |
| 09/06/2000 | EP1033490A2 Control valve for variable displacement compressor |
| 09/06/2000 | EP1033489A2 Displacement control valve for variable displacement type compressors |
| 09/06/2000 | CN2395305Y Automatic monitoring and controlling device for large rotary machinery |
| 09/05/2000 | US6113355 Pump drive head pump assembly with a hydraulic pump circuit for preventing back-spin when the drive head has been shut off |
| 09/05/2000 | US6112718 Pressure regulator |
| 08/31/2000 | WO2000050775A1 Control valve for variable displacement compressor |
| 08/30/2000 | EP1031358A1 Control procedure for a linear peristaltic pump |
| 08/30/2000 | EP1030699A1 Portable peristaltic pump for peritoneal dialysis |
| 08/29/2000 | US6110611 Process for operation of a PEM fuel cell unit |
| 08/29/2000 | US6110072 Oil pump control device for automatic transmission |
| 08/29/2000 | US6109886 Compressed-air supply installation with reduced idling power |
| 08/29/2000 | US6109879 Fluid pressure source apparatus |
| 08/29/2000 | US6109878 System and a method for velocity modulation for pulseless operation of a pump |
| 08/29/2000 | US6109030 Apparatus and method for ganging multiple open circuit pumps |
| 08/24/2000 | WO2000049283A2 Variable output pump for gasoline direct injection |
| 08/23/2000 | EP1030092A1 Bellows type pressure responding valve |
| 08/23/2000 | EP1028766A1 Pneumatic controller and method |
| 08/23/2000 | EP0725900B1 Relief valve seat for positive displacement pump |
| 08/22/2000 | US6106249 Peristaltic pump |
| 08/22/2000 | US6106238 Bubble detection and recovery in a liquid pumping system |
| 08/22/2000 | US6105367 Hydraulic drive system |
| 08/17/2000 | WO2000047896A1 Crank pressure control mechanism of variable displacement compressor |
| 08/17/2000 | WO2000047888A1 High-pressure fuel feed pump of internal combustion engine |
| 08/16/2000 | EP1028253A2 Displacement control structure of variable displacement type compressor |
| 08/16/2000 | EP1027541A1 Regulating device for positive-displacement pumps |
| 08/16/2000 | EP1027540A1 Compressor system and method and control for same |
| 08/16/2000 | EP1027539A1 Peristaltic pump controller with nonlinear pump calibration coefficient |
| 08/16/2000 | CN2392004Y Zero current starting energy saving device for motor or concrete transporting pump |
| 08/15/2000 | US6102670 Apparatus and method for operating fluid displacement apparatus with variable displacement mechanism |
| 08/15/2000 | US6102667 Analog control of tankless automobile tire inflater systems |
| 08/15/2000 | US6102665 Compressor system and method and control for same |
| 08/15/2000 | US6102490 Braking system of an automobile having a variably exhausting pump unit |
| 08/10/2000 | WO2000046506A1 Injection pump for dye dispensing machine |
| 08/10/2000 | DE19904341A1 Control method for internal combustion engine fuel injection system involves controlling limiting pressure to be lower for lower vol. flows or pump revolution rates than for higher ones |
| 08/10/2000 | DE19859752A1 Pumpeinrichtung zum Fördern von Dämpfen Pump device for conveying vapors |
| 08/10/2000 | DE10005432A1 Blutpumpen-Vorrichtung Blood pump device |
| 08/09/2000 | EP1026398A2 Control valve for variable displacement compressors |
| 08/09/2000 | EP1025403A1 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 08/09/2000 | EP0898653A4 Hydraulic pressure control system for a pump |
| 08/09/2000 | CN2391030Y Eccentric sliding clock stroke regulating mechanism |
| 08/09/2000 | CN1262390A Fluid power system |
| 08/08/2000 | US6101456 Output correcting method in control system, control system, and hydraulic pump control system |
| 08/08/2000 | US6099724 Active pump phasing to enhance chromatographic reproducibility |
| 08/08/2000 | US6099268 Pneumatic compressor system |
| 08/08/2000 | US6099264 Pump controller |
| 08/08/2000 | US6099263 Fuel delivery pump with a bypass valve and an inlet check valve for a fuel injection pump for internal combustion engines |
| 08/08/2000 | US6099259 Variable capacity compressor |
| 08/03/2000 | WO2000045055A1 Electromotive drive |