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)
11/2004
11/25/2004US20040234376 Piecewise linear control of the duty cycle of a pulse width modulated signal
11/25/2004US20040231348 Apparatus for variable displacement type compressor
11/25/2004US20040231335 Electromagnetic valve
11/25/2004DE10320592A1 Förderpumpe, insbesondere Hochdruck-Kraftstoffpumpe für eine Brennkraftmaschine Feed pump, in particular high-pressure fuel pump for an internal combustion engine
11/24/2004EP1479911A1 Small-size surge tank unit for domestic water systems
11/24/2004EP1478853A2 Variable capacity compressor and heat exchanging system
11/24/2004EP1020020B1 Method for the starting and steady-state supply of a permanent-magnet synchronous motor particularly for driving a hydraulic pump
11/24/2004CN1548739A Amplitude control method for reciprocating compressor
11/24/2004CN1548738A Operation controller for reciprocating compressor and method thereof
11/24/2004CN1177141C Valve for closed compressor
11/23/2004US6823289 Pump trouble diagnosing device for hydraulic drive device and display device of the diagnosing device
11/23/2004US6821093 Flow meter
11/18/2004US20040228737 Method for limiting power of a multi-stage compressor and a compressor for carrying out the method
11/18/2004US20040227482 Driver of electric compressor
11/18/2004US20040226613 Relief valve mechanism for an oil pump
11/18/2004US20040226458 Vacuum producing appliance
11/18/2004DE10319436A1 Control for hydraulic pump motor for motor vehicle hybrid drive hydraulically switchable pump with control valve for pump fluid flow
11/17/2004EP1477679A2 Method of controlling a plurality of compressors
11/17/2004EP1477677A1 Method of managing time, at which maintenance in system of a plurality of gas compressors should be carried out
11/17/2004EP1477671A2 Control apparatus for variable displacement compressor
11/17/2004EP1477666A1 Supply pump, in particular high pressure fuel pump for internal combustion engines
11/17/2004EP1477665A2 High pressure fuel supply pump for internal combustion engine
11/17/2004EP1476656A1 Fuel-injection device for an internal combustion engine
11/17/2004EP1476207A1 Implantable heart assist system
11/17/2004CN2656665Y Three cylinder two-pump head self-forced high pressure pump
11/17/2004CN2656663Y Metering pump for hydraulic filling machine
11/17/2004CN1546863A Mini jockey pump
11/17/2004CN1175962C Bionic heart-lung pump
11/17/2004CN1175960C Temp. control device of liquid cooling device
11/16/2004US6819250 Out-of-liquid sensor, and liquid supply device using same
11/16/2004US6817836 Methods and apparatus for controlling a continuous flow rotary blood pump
11/16/2004CA2184762C Linear pump
11/11/2004WO2004098012A2 Active sensing and switching device
11/11/2004US20040223856 Fuel supply pump, in particular a high-pressure fuel pump for an internal combustion engine
11/11/2004US20040221590 Cooling medium compressor arrangement
11/11/2004US20040221573 Pump unit
11/11/2004DE10256072B4 Ölpumpenvorrichtung The oil pump apparatus
11/11/2004DE10251803A1 Kompressor Compressor
11/10/2004EP1475535A1 Control system for process chamber pressure based on pump speed, valve opening and neutral gas injection
11/10/2004EP1475111A2 Pneumatic controller and method
11/10/2004EP1474303A1 Method of controlling a compressor driven by the engine of a vehicle
11/10/2004EP0941404B1 Pumping and metering device
11/10/2004EP0901419B2 Pneumatic suspension
11/10/2004CN1544813A Bubble evolution proof plunger pump port plate
11/10/2004CN1175186C Equipment and method for using pattern recognization to control running of linear compressor
11/10/2004CN1175182C Pump controller for precision pumping appts.
11/09/2004US6815927 Air conditioning apparatus
11/09/2004US6815922 Apparatus and method for controlling operation of compressor
11/09/2004US6815847 Linear motor
11/09/2004CA2317157C Reversible, variable displacement compressor
11/04/2004WO2004094826A1 System for adjusting resonance frequencies in a linear compressor
11/04/2004WO2004094822A2 Air compressor with inlet control mechanism and automatic inlet control mechanism
11/04/2004US20040219025 Digital pressure controller for pump assembly
11/04/2004US20040217309 Overpressure generator and valve
11/04/2004US20040217191 Liquid pressurizing device
11/04/2004US20040217180 Temperature control system for compressor exhaust
11/04/2004DE10316395A1 Membranpumpe Diaphragm pump
11/03/2004EP1473179A2 Driver of electric compressor
11/03/2004EP0897473B1 Disposable ambulatory microprocessor controlled volumetric pump
11/03/2004CN2653171Y Compressor protective cover of refrigerator and freezer
11/03/2004CN1542279A Driver of electric compressor
11/03/2004CN1174171C Circuit for driving linear compressor
11/03/2004CN1174167C Cut-off method and unit with compressed air for pump station
11/02/2004US6812597 Linear motor controller
11/02/2004US6811384 Automatic regulator of intake air in a tank
11/02/2004US6811380 Apparatus and method for controlling linear compressor
10/2004
10/28/2004WO2004092686A2 Compressor protection from liouid hazards
10/28/2004US20040213685 Infiltration pump having insulated rollers and programmable foot pedal
10/28/2004US20040213684 Infiltration pump having insulated rollers and programmable foot pedal
10/28/2004US20040213679 Air compressor with inlet control mechanism and automatic inlet control mechanism
10/28/2004US20040213677 Monitoring system for reciprocating pumps
10/28/2004US20040213676 Active sensing and switching device
10/28/2004US20040211213 Refrigerating device
10/28/2004US20040211204 Compressor torque estimate device, engine controller and method of estimating compressor torque
10/28/2004US20040211197 Vehicles and electromagnetic clutches for compressors for such vehicles
10/28/2004DE102004007882A1 Luftkompressor und Verfahren zu seinem Steuern Air compressor and method for its control
10/27/2004EP1471248A1 High pressure fuel supply pump for internal combustion engine
10/27/2004EP1471247A2 High pressure fuel supply pump for internal combustion engine
10/27/2004CN2651467Y 柱塞泵 Piston
10/27/2004CN1540168A Swirl compressor
10/26/2004US6809434 Linear motor
10/26/2004US6808372 Compressor with built-in motor, and mobile structure using the same
10/26/2004US6808369 System for regulating fluid pump pressures
10/26/2004US6808237 Method and device for controlling the supply of a pressure medium on rail vehicles (compressor management)
10/26/2004US6808121 Fluid pump
10/26/2004US6807951 High-pressure fuel pump with integrated blocking-vane prefeed pump
10/26/2004US6807818 Compressor system and vehicle air conditioning system having the same
10/21/2004WO2004090334A1 Diaphragm pump
10/21/2004WO2003095831A9 Regulating device for hydrostatic piston machines
10/21/2004US20040207966 Fan protection method and apparatus
10/21/2004US20040206102 Air conditioner with control of compressor
10/21/2004DE10314329A1 Antriebsstrang zum Antrieb eines Mobil-Fahrzeugs Drivetrain for driving a mobile vehicle
10/21/2004DE102004014470A1 Verstellbare Taumelscheibenkompressionsvorrichtung Movable swash plate compression device
10/21/2004DE102004014469A1 Steuerventilvorrichtung für einen verstellbaren Taumelscheibenkompressor Control valve device for an adjustable swash plate compressor
10/20/2004EP1469580A1 Motor driving apparatus for a linear vibration motor
10/20/2004CN2649812Y Special low-noise, continuous united air-supply air compressor for stomatology department
10/20/2004CN2649811Y Box type electric aerator
10/20/2004CN1172413C Sealed compressor with temp. feed-back provided to motor protector
10/20/2004CN1172086C Pneumatic plunger type grouting pump and slurry-dispensing machine and automatic slurry-dispensing grouting equipment
10/19/2004US6804969 Composite auxiliary machine for a vechile and a control unit thereof