Patents
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)
01/2004
01/20/2004US6679072 Diagnostic system and method for a cooling system
01/15/2004US20040009080 Valve with operation parameter set at assembly and pump using same
01/15/2004US20040009075 Pump and pump control circuit apparatus and method
01/15/2004US20040009073 Hybrid compressor and control device
01/15/2004US20040007261 Check valve
01/15/2004US20040007214 Fuel injection system for an internal combustion engine
01/15/2004DE20220578U1 Druckerzeuger für strömende Medien Pressure generator for flowing media
01/15/2004DE20220577U1 Druckerzeuger für strömende Medien Pressure generator for flowing media
01/14/2004EP1380780A2 Valve with operation parameter set at assembly and pump using same
01/14/2004EP1380314A1 A fluid delivery mechanism
01/14/2004EP1379784A1 Single-plunger injection pump for a common rail fuel injection system
01/14/2004CN2599280Y Fully automatic air compressor controller
01/14/2004CN1467376A Pump
01/14/2004CN1467375A 泵 Pump
01/14/2004CN1134590C Capability variable compressor with declined volume control valve
01/13/2004US6678620 Method for promoting energy saving in fluid machinery
01/13/2004US6676389 Piston pump for increasing pressure, comprising a transfer piston and a pressure-control piston
01/13/2004US6676388 Gas compression apparatus for reciprocating compressor
01/13/2004US6675776 Electro-hydraulic actuator for a hydraulic pump
01/13/2004US6675596 Compressor driven selectively by first and second drive sources
01/13/2004US6675594 Cooling system and cooling method
01/08/2004US20040005222 Driving apparatus of a linear motor
01/08/2004US20040004092 Gravitational safety valve for material delivery systems
01/08/2004DE10323573A1 Steuerungsventil Control valve
01/07/2004EP1378646A2 Vehicle control system
01/07/2004EP1378259A1 Fluid pump for medical application and measuring chamber for it
01/07/2004CN1465863A Device and method for controlling reciprocative compressor
01/07/2004CN1133855C Air conditioner, outdoor unit and refrigerating unit
01/07/2004CN1133817C Installation and method for controlling linear compressor
01/07/2004CN1133816C Recognition and control method for affection of sucker rod's dilatation deformation to pumping effect for pumping unit
01/07/2004CN1133815C Energy-saving efficient petroleum recovering for automatic digital petroleum recovering machine
01/06/2004US6672845 Apparatus for preventing vacuum compression of scroll compressor
01/06/2004US6672844 Apparatus and method for controlling variable displacement compressor
01/06/2004US6672841 Pumping and metering device
01/06/2004US6672055 Hydraulic pump control device
01/02/2004EP1375915A1 Radial piston pump with improved efficiency for high pressure fuel supply in injection systems of internal combustion engines
01/02/2004EP1375821A1 Hydrostatic pump assembly having symmetrical endcap
01/02/2004EP1373733A1 Variable capacity compressor having adjustable crankpin throw structure
01/02/2004EP1373732A2 Electronic motor torque control for positive displacement pumps
01/02/2004EP1373728A1 Driving controlling apparatus for reciprocating compressor
01/01/2004US20040001760 Air conditioning systems for vehicles comprising such air conditioning systems, and methods for driving hybrid compressors of such air conditioning systems
01/01/2004US20040000351 Deployable oxygen charging system
12/2003
12/31/2003WO2004001515A2 Speed and fluid flow controller
12/31/2003WO2004001220A1 Control device of high-pressure fuel pump of internal combustion engine
12/31/2003CN2596199Y Over-pressure protector for electromagnetic instrument pressure container
12/31/2003CN2596067Y Air-compressor
12/31/2003CN1464945A 液压回路装置 Hydraulic circuit system
12/31/2003CN1464196A Compressor frequency-converting control device
12/31/2003CN1133004C IC engine supply high pressure pump with detachable shut/open valve
12/31/2003CN1133003C High pressure pump with switch valve for supplying fuel to internal combustion engine
12/30/2003US6669453 Pump assembly useful in internal combustion engines
12/30/2003US6669166 Electromagnetic valve
12/30/2003US6668797 Fuel injection pump system
12/30/2003US6668571 Refrigerant compressor driven by variable supply frequency motor
12/28/2003CA2433722A1 Deployable oxygen charging system
12/28/2003CA2433719A1 Hydrostatic pump assembly having symmetrical endcap
12/24/2003WO2003106204A1 Controller of variable displacement compressor
12/24/2003CN2594494Y Hydraulic controller of constant-power variable control pump
12/24/2003CN1463486A Linear compressor drive device
12/24/2003CN1463333A Hydraulic driving unit for working machine, and method of hydraulic drive
12/24/2003CN1131968C Air conditioner
12/23/2003US6666665 Fluid delivery mechanism having a plurality of plungers for compressing a metering chamber
12/23/2003US6666015 Simplified fuel control for use with a positive displacement pump
12/23/2003CA2278239C Linear peristaltic pump
12/18/2003WO2003104656A1 Compressor protective method and structure
12/18/2003WO2003104655A1 Pump unit
12/18/2003US20030231965 Variable displacement pump and control therefor
12/18/2003US20030231963 Apparatus and method to control a linear compressor
12/18/2003US20030230307 Portable drag compressor powered mechanical ventilator
12/18/2003US20030230101 Electric compressor with a motor, an electric circuit and a protective control means therefor
12/18/2003US20030230093 Hybrid compressor apparatus and method of controlling the same
12/17/2003EP1370770A1 Modular system for the control of compression systems
12/17/2003CN2592898Y Automatic monitoring device of helium compressor for superconducting gravity meter
12/17/2003CN2592897Y Mechanical plunger pump valve for filling liquid
12/17/2003CN1462331A Lubricant oil pump unit
12/16/2003US6663359 Pump chamber having at least one spacer for inhibiting the pumping of a gas
12/16/2003US6663358 Compressors for providing automatic capacity modulation and heat exchanging system including the same
12/16/2003US6663356 Control valve for variable displacement type compressor
12/16/2003US6663348 Method of controlling a compressor, piston-position monitoring system, and compressor
12/16/2003US6662784 Pump assembly, valve and method
12/16/2003US6662583 Adaptive control for a cooling system
12/16/2003US6662582 Displacement control valve
12/16/2003US6662581 Variable displacement compressor and displacement control valve for variable displacement compressor
12/16/2003US6662578 Refrigeration system and method for controlling defrost
12/16/2003US6662558 Variable delivery control arrangement for a pump
12/11/2003US20030226368 Compressor device and control method for the same
12/10/2003EP1369587A2 Pump valve
12/10/2003EP1369585A2 Pump
12/10/2003EP1369584A2 Diaphragm pump
12/10/2003EP1369583A2 Capacity control valve for variable displacement compressor
12/10/2003EP1368568A1 Axial piston compressor with an axel swashplate actuator
12/10/2003EP1188925B1 Variable-capacity control for refrigerating cycle
12/10/2003EP0901576B1 Bubble detection and recovery in a liquid pumping system
12/10/2003EP0777887B1 Bimodal liquid chromatography pump employing artificial intelligence logic feedback control
12/10/2003CN2591273Y Electromagnetic clutch type multistage speed changing apparatus
12/10/2003CN1461386A 位置传感器和压缩机 Position sensors and compressors
12/10/2003CN1461384A Axial piston compressor with axel swashplate actuator
12/09/2003US6661144 Electromotive drive
12/09/2003US6659976 Feeding set adaptor
12/09/2003US6659738 Composite drive system for compressor