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)
11/2001
11/01/2001US20010036412 Variable displacement pump
11/01/2001US20010036408 Multistage blowdown valve for a compressor system
10/2001
10/31/2001EP1149235A1 Control valve
10/31/2001DE10019769A1 Einrichtung zur Versorgung eines hydraulischen Verbrauchers mit Druckmittel Means for supplying a hydraulic consumer with pressure medium,
10/30/2001US6309186 Air conditioning pressure relief valve assembly
10/30/2001US6309185 Flow regulator for water pump
10/30/2001CA2231444C Surge recurrence prevention control system for dynamic compressors
10/25/2001WO2001079697A2 Variable speed hydraulic pump
10/25/2001WO2001079693A2 Apparatus for adjusting the stroke length of a pump element
10/25/2001US20010033797 Regulatable pump
10/25/2001US20010033794 Pressure washer engine idle controller
10/25/2001US20010032471 Variable displacement compressor with capacity control device
10/25/2001DE10018866A1 Pumpenaggregat Pump unit
10/24/2001EP1148244A2 Variable displacement pump
10/24/2001EP1148242A2 Control valve for variable displacement compressor
10/24/2001EP1147319A1 Electromotive drive
10/24/2001EP1147313A1 Valve system for controlling the fuel intake pressure in a high-pressure pump
10/24/2001CN1318694A Control device and method for variable compressor
10/24/2001CN1318693A Control valve of variable compressor
10/23/2001US6305416 Actuator valve for pressure switch for a fluidic system
10/23/2001US6305356 Common rail system
10/23/2001US6305313 Pop-up temperature indicator for use in a 3-CD type air compressor or similar device
10/23/2001US6305187 Air-conditioner, outdoor unit and refrigeration unit
10/23/2001CA2207960C Variable displacement compressor and method
10/18/2001WO2001077572A1 Medium pump
10/18/2001US20010031944 Drug pump systems and methods
10/18/2001US20010031212 Hydraulic displacement pump having two stroke length
10/18/2001US20010031204 Variable displacement pump
10/18/2001US20010031203 Valve for sensing at least one condition within a compressor
10/18/2001US20010029743 Motor reversal switching system
10/18/2001US20010029742 Control valve for variable displacement compressor
10/18/2001DE10023330C1 Variable pump for lubrication of IC engine has regulation device controlling volumetric flow and/or pressure in pressure line leading to engine
10/17/2001EP1146231A2 Pump system
10/11/2001WO2001075309A1 Pump control method and pump control device
10/11/2001WO2001075308A1 A gas compressor
10/11/2001WO2001075307A1 High-pressure dome type compressor
10/11/2001US20010028849 Automatic device to regulate the vacuum pressure varying the rotation speed of the vacuum pump electrically powered, through the frequency variation of the power supply
10/11/2001US20010027659 Control apparatus and control method for variable displacement compressor
10/11/2001US20010027658 Controller for variable displacement compressor
10/11/2001US20010027639 Fuel injection for a staged gas turbine combustion chamber
10/11/2001DE19949169C2 Verstellvorrichtung Adjustment
10/11/2001DE10014045A1 Druckwasserversorgung Water Supply
10/10/2001EP1143146A2 Piston stroke control for a vacuum pump
10/10/2001EP1141549A1 Device for converting energy being stored in compressed air into mechanical work
10/10/2001EP0832011B1 Hydraulic leak detection system
10/10/2001CN2453156Y Multi-functional oil pumping controller
10/10/2001CN2453155Y Multi-functional oil pumping controller
10/10/2001CN2453154Y Program-controlled oil-pumping installation
10/10/2001CN1317073A Control valve for variable displacement compressor
10/10/2001CN1316681A Solid-state liquid sensor and pump controller
10/10/2001CN1316593A Electromagnetic pumping unit
10/10/2001CN1316592A Changable displacement compressor able to reducing noise produed
10/10/2001CN1072778C Hydraulic controller
10/10/2001CN1072776C Scroll-type compressor and operation method therefor
10/09/2001US6299418 Oil pump apparatus
10/09/2001US6299260 Method and device for controlling a pump in a brake system
10/09/2001US6298820 Apparatus and method of protecting a water pump driven by a combustion engine from high speed damage
10/09/2001US6298661 Energy efficient hydraulic motor control system
10/04/2001US20010026762 Variable displacement compressor capable of reducing generation of a noise
10/04/2001EP1138950A1 Pump controller
10/04/2001EP1138946A2 Control valve for variable displacement compressor
10/03/2001CN2451750Y 试压泵 Test pump
10/03/2001CN1315876A Volumetric infusion pump with servo valve control
10/02/2001US6297463 Out-of-fluid detector for reciprocating pumps
10/02/2001US6296769 Multi-chambered supercritical fluid extraction cartridge and processes using it
10/02/2001US6296455 Pump enable system and method
10/02/2001US6296450 Systems and methods for control of pumps employing gravimetric sensing
10/02/2001US6295810 Hydrostatic drive system
10/02/2001CA2047231C Peristaltic pump monitoring device and method
09/2001
09/27/2001WO2001071297A1 Continuous liquid flow system
09/27/2001WO2001071186A2 Position sensor and compressor
09/27/2001US20010024616 Variable displacement type compressor with suction control valve
09/27/2001DE10034913A1 Brennstoffzuführvorrichtung für variable Förderung Fuel supply for variable promotion
09/27/2001DE10032893A1 Brennstoffzuführvorrichtung für variable Förderung Fuel supply for variable promotion
09/26/2001EP1136702A2 Pressurised water supply
09/26/2001EP1136701A1 Solid state liquid level sensor and pump controller
09/26/2001EP1135187A1 Fluid pressure actuated blood pumping systems and methods with continuous inflow and pulsatile outflow conditions
09/26/2001CN2450404Y High-pressure well killing
09/25/2001US6294088 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
09/25/2001US6293901 Magnetically suspended fluid pump and control system
09/25/2001US6293757 Fluid pump control apparatus and method
09/25/2001US6293756 Pump
09/25/2001US6293296 High-pressure fuel pump device
09/25/2001US6293253 Control for a fluid pressure supply system, particularly for high pressure in a fuel injection system
09/22/2001CA2342069A1 Air powered hydraulic jack with load sensing auto shut-off air control
09/20/2001WO2001069085A1 Motor protector on non-orbiting scroll
09/20/2001US20010022195 Relief valve for an oil pump
09/20/2001DE10005388A1 Piston engine controlling process, involving measuring differential pressure in induction phase and opening induction valve at set differential pressure
09/20/2001DE10001826C1 Vorrichtung zum Regeln der Leistung einer verstellbaren Kolbenmaschine An apparatus for controlling power of an adjustable piston machine
09/19/2001EP1134520A2 Method for protection compressors used in chillers and/or heat pumps
09/19/2001EP1134421A1 Autonomous inverter driving hydraulic unit
09/19/2001EP1133640A1 Rotary pump
09/19/2001EP1133639A1 Pump controller for precision pumping apparatus
09/19/2001EP0901419B1 Pneumatic suspension
09/19/2001CN2448950Y Frequency-changing natural gas compressor set for gas station
09/19/2001CN1313932A Volume control valve of variable displacement hydraulic rotating machine
09/19/2001CN1313495A Method for protecting compressor used in cooling device and/or heat pump
09/19/2001CN1071410C Variable capacity refrigerant compressor
09/18/2001US6289680 Apparatus for controlling linear compressor and method thereof
09/18/2001CA2224747C Combination valve for screw compressors