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)
02/2004
02/25/2004EP1181458B1 Hydraulic drive with several hydraulic consumers also comprising a differential cylinder
02/25/2004CN1139740C Lubricant oil pump device
02/24/2004US6695592 Compressor provided with pressure relief valve
02/24/2004US6695590 Lubricant pump having piston with radial through opening
02/24/2004US6694950 Hybrid control method for fuel pump using intermittent recirculation at low and high engine speeds
02/19/2004WO2004015270A1 A control method for controlling the gas flow in a compressor
02/19/2004US20040031467 Control strategies for a variable displacement oil pump
02/19/2004DE10234638A1 Vacuum or compressed air generation installation for dental clinic, has control unit to ensure that suction machines are operated equally when averaged over time
02/19/2004DE10119524B4 Verstellbarer Kompressor mit Kapazitätssteuerungsvorrichtung Adjustable compressor capacity control apparatus
02/18/2004EP1389476A1 Programming device for a pump for injecting medicaments
02/18/2004EP1389140A1 Method and device for balancing liquids
02/18/2004EP0879968B1 Hydraulic drive apparatus
02/18/2004CN1475886A Device for changing delivered fluid pressure of spray scrubber
02/18/2004CN1475671A Compressor in hydrogen containing alloy reaction device
02/18/2004CN1138921C Capacity variable compressor and control valve used for same
02/18/2004CN1138917C Equipment for regulating transfer pressure of pump providing fuel for IC engine
02/12/2004US20040029662 Method of and apparatus for shaft speed detection by monitoring pump output
02/12/2004US20040028533 Cylinder housing for air compressor
02/12/2004US20040028530 Dosing pump with an electric motor
02/12/2004US20040026075 System and method of pressure distribution and pressure regulation for heating and air-conditioning units, and a very high-rise building utilizing the same
02/12/2004US20040025525 Car air-conditioning system
02/12/2004US20040025524 Air conditioning system
02/12/2004DE10220889B3 Verstellvorrichtung für hydrostatische Kolbenmaschinen Adjusting for hydrostatic piston engines
02/11/2004EP1388719A2 Air conditioning system
02/11/2004EP1388706A2 Deployable oxygen charging system
02/11/2004EP1387968A1 Control arrangement and method for a hydraulic system
02/11/2004EP1387960A1 Method for adjusting a volumetric flow-variable positive displacement pump in an internal combustion engine
02/11/2004EP1387959A2 Fluid controlled pumping system and method
02/11/2004EP1387958A1 A pumping system
02/11/2004EP1328356B1 High-pressure cleaning device
02/11/2004EP0877168B1 Hydraulic drive system
02/11/2004CN1138069C Control valve of variable compressor
02/10/2004US6691047 Adjusting the inlet pressure of said arterial line and moving a known volume of fluid with said blood pump while maintaining inlet pressure of arterial line at said pressure to thereby calibrate pump
02/10/2004US6688121 Controlled compressor apparatus
02/05/2004WO2004011807A1 Driver of compressor and refrigerator
02/05/2004WO2004011804A1 Device for compressing gases
02/05/2004US20040022644 Multiple stage pump with multiple external control valves
02/05/2004US20040022643 Multiple stage pump with multiple external control valves
02/05/2004US20040022642 Method of reducing pressure peaks in a fuel injector
02/05/2004US20040022639 High-pressure cleaning device
02/05/2004US20040021994 Overload protector with control element
02/05/2004US20040020463 Pump and hydraulic system with low pressure priming and over pressurization avoidance features
02/05/2004US20040020082 Hydraulic circuit of construction machinery
02/05/2004DE19930610B4 Steuereinrichtung für einen Kompressor A control device for a compressor
02/05/2004DE10228673A1 Back pressure regulator in the bypass channel of a pump system, e.g. for water, has a guide bush for a sliding piston-shaped closure body with a spring and two sets of jet openings for a minimum discharge volume
02/05/2004DE10219850B3 Regeleinrichtung mit Grenzwertregelventil Controller with limit control valve
02/04/2004EP1386765A1 Air conditioning system for a vehicle comprising a hybrid-drive compressor
02/04/2004EP1386063A1 Lubricant pump unit
02/04/2004EP1067287B1 Swash plate type variable displacement compressor
02/04/2004CN2602190Y Pressure controller for air compressor
02/04/2004CN2601890Y Micro air pump for automobile
02/04/2004CN1473242A Piston stroke limiting device for reciprocating compressor
02/04/2004CN1137417C Method of output correction for control apparatus, the control apparatus and hydraulic pump control apparatus
02/04/2004CN1137331C Identification and communication system for inflatable devices
02/03/2004US6685621 Implantable heart assist system and method of applying same
02/03/2004US6685441 Scroll compressor
02/03/2004US6685438 Apparatus and method for controlling operation of reciprocating compressor
02/03/2004US6685437 Hydraulic transmission pump assembly having a differential actuation and integrated line pressure control
02/03/2004US6684655 Capacity control apparatus for compressors
02/03/2004US6684654 Control valve for variable displacement compressor
02/03/2004US6684636 Electro-hydraulic pump control system
02/03/2004US6684635 System and method for controlling motor torque
01/2004
01/29/2004WO2004010096A1 Moving sensor array (with axial piston pump) with wireless monitoring and power generation
01/29/2004WO2004010059A1 Air conditioning apparatus using variable displacement compressor
01/29/2004US20040019251 Implantable heart assist system and method of applying same
01/29/2004US20040018100 Pump
01/29/2004US20040018097 Variable displacement compressors which estimate an inclination angle of a plate of the compressor
01/29/2004US20040018096 Compressor degradation detection vapor compression system
01/29/2004US20040018093 Method and device for controlling the supply of a pressure medium on rail vehicles (compressor management)
01/29/2004US20040016821 Device for varying the pressure of the fluid delivered by a jet washer
01/29/2004DE10332544A1 Kompressorsystem für eine Fahrzeugklimaanlage und Steuerverfahren dafür A compressor system for a vehicle air conditioner and control method thereof
01/29/2004DE10231461A1 Fluidpumpe für medizinische Anwendungen und Messkammer dafür Fluid pump for medical applications and measuring chamber for
01/28/2004EP1384892A1 Flow regulator for water pump
01/28/2004EP1384889A2 Control apparatus for variable displacement compressor
01/28/2004EP1384529A2 Device for varying the pressure of the fluid delivered by a jet washer
01/28/2004CN1471442A High-pressure cleaning device
01/28/2004CN1471422A Method for regulating a compressor installation with a dryer and compressor installation used therewith
01/27/2004US6684178 Systems and methods for monitoring the usage and efficiency of air compressors
01/27/2004US6682314 Control valve for variable displacement type compressor
01/27/2004US6682310 Apparatus and method for controlling operation of reciprocating motor compressor
01/27/2004US6681794 Unloading valve
01/27/2004US6681583 Control unit for clutchless, variable displacement compressor
01/27/2004US6681571 Digital controlled fluid translating device
01/22/2004WO2004008011A1 Check valve
01/22/2004US20040013548 Pump
01/22/2004US20040013540 Oil pressure operated pump for marine steering gears
01/22/2004US20040013539 Pump
01/22/2004US20040013538 Single-die injection pump for a common rail fuel injection system
01/22/2004US20040013532 Method for controlling the electric motor of a metering pump
01/22/2004US20040013530 Fluid control apparatus and method
01/22/2004DE10229396A1 Radialkolbenpumpe zur Kraftstoffhochdruckversorgung bei Einspritzsystemen von Brennkraftmaschinen mit verbessertem Wirkungsgrad Radial piston pump for high pressure fuel supply in fuel injection systems of internal combustion engines with improved efficiency
01/22/2004DE10229395A1 Verdrängermaschine, insbesondere Radialkolbenpumpe in einem Kraftstoffsystem einer Brennkraftmaschine, sowie hydraulisches System Displacement, particularly radial piston pump in a fuel system of an internal combustion engine and hydraulic system
01/22/2004CA2492697A1 Check valve
01/21/2004EP1382845A2 Oil pump for marine steering gear
01/21/2004EP1381777A1 Pressure equalization system and method
01/21/2004EP1381412A1 Feeding set adaptor
01/21/2004CN2600614Y Protector for vacuum pump
01/21/2004CN1469046A 泵 Pump
01/20/2004US6679684 Pump device having a device for restricting movement of a movable member movable to pressurize working fluid
01/20/2004US6679676 Temperature control with constant cooling flow and temperature for vacuum generating device