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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06/15/2004 | US6748739 Hydraulic power system |
06/10/2004 | WO2004048780A1 Metered quantity transfer device |
06/10/2004 | US20040109768 Variable discharge pump |
06/10/2004 | US20040108825 Apparatus and method for controlling driving of linear motor |
06/10/2004 | US20040107828 Continuously variable displacement pump with predefined unswept volume |
06/10/2004 | US20040107716 Method of operating a refrigeration cycle |
06/09/2004 | EP1426620A2 Variable speed control of multiple motors |
06/09/2004 | EP1425517A1 Device and method used to automatically compensate for synchronous disturbances |
06/09/2004 | EP1133639B1 Pump controller for precision pumping apparatus |
06/09/2004 | DE10355190A1 Kompressorsystem und Klimasystem Compressor system and cooling system |
06/09/2004 | CN1503879A Fluid controlled pumping system and method |
06/09/2004 | CN1502814A Compressor driving device and freezing air conditioner device |
06/08/2004 | US6747432 Drive apparatus for cooling fan motor for use in vehicle |
06/08/2004 | US6747428 Device and method for controlling supply of current and static capacitance to compressor |
06/08/2004 | US6746606 Method and system for matching flow rate |
06/08/2004 | US6746211 Operation control method utilizing resonance frequency of reciprocating compressor |
06/08/2004 | CA2086298C Process and device for optimizing the transfer through pumping of multiphase effluents |
06/03/2004 | WO2004046552A1 Pump driving method and device therefor |
06/03/2004 | WO2004046550A1 A control system for the movement of a piston |
06/03/2004 | WO2004046534A1 Solenoid regulated pump assembly |
06/03/2004 | WO2004032994A3 Fluid delivery device, system and method |
06/03/2004 | US20040105765 Oil pump apparatus |
06/03/2004 | US20040105761 High-pressure fuel pump with integrated blocking-vane prefeed pump |
06/03/2004 | US20040105759 High pressure pump system for supplying a cryogenic fluid from a storage tank |
06/03/2004 | DE19713934B4 Lastdruckgeführter Förderstromregler mit Spülkreislauf Load pressure-flow regulator with flushing circuit |
06/03/2004 | DE10352024A1 Elektromagnetventil Solenoid valve |
06/03/2004 | DE10350017A1 Axialkolbenpumpe mit Strömungsmittellageranordnung Axial piston pump with fluid bearing arrangement |
06/03/2004 | DE10348560A1 Elektrohydraulische Pumpenverdrängungssteuerung mit proportionaler Kraftrückkoppelung Electro-hydraulic pump displacement control with proportional force feedback |
06/03/2004 | DE10254041A1 Verfahren und Vorichtung zur Störungsfrüherkennung bei Kreiselpumpen Procedures and Vorichtung for early fault detection for centrifugal pumps |
06/03/2004 | DE10228673B4 Rückdruckregulator Back pressure regulator |
06/02/2004 | EP1167759B1 Variable displacement compressor |
06/02/2004 | CN1501077A Method and apparatus of detecting the condition of a centrifugal pump |
06/02/2004 | CN1152256C Electroosmotic current driven high-pressure transfusion pump |
06/01/2004 | US6742996 Scroll compressor with mechanically actuated capacity control |
06/01/2004 | US6742995 Air compressor assembly |
06/01/2004 | US6742994 Reciprocating pump with malfunction detecting apparatus |
06/01/2004 | US6742992 Infusion device with disposable elements |
06/01/2004 | US6742441 Continuously variable displacement pump with predefined unswept volume |
06/01/2004 | CA2260684C Pump enable system and method |
05/27/2004 | WO2004044426A1 Syringe pump |
05/27/2004 | US20040101420 Solenoid regulated pump assembly |
05/27/2004 | US20040101419 Axial piston pump with fluid bearing arrangement |
05/27/2004 | US20040101417 Volume control apparatus of radial piston pump or motor and positioning apparatus |
05/27/2004 | US20040101413 Control device of linear compressor drive system |
05/27/2004 | US20040099136 Electro-hydraulic pump displacement control with proportional force feedback |
05/27/2004 | DE3930542B4 Radialkolbenpumpe Radial piston pump |
05/26/2004 | EP1422424A2 Method and apparatus for the early detection of failures in a centrifugal pump |
05/26/2004 | EP1422084A2 Power-saving control device for air-conditioning system |
05/26/2004 | CN2617954Y Chemical double component injecting pump |
05/26/2004 | CN1499188A Method and device for detecting centrifugal pump fault |
05/26/2004 | CN1499078A Control valve for variable capacity compressor |
05/26/2004 | CN1151337C Variable displacement compressor |
05/25/2004 | US6741056 Air sampler with compensating pump motor speed |
05/25/2004 | US6739843 Control valve and variable displacement compressor having the same |
05/25/2004 | US6739129 Electrohydraulic motor pump aggregate, attachable element and pressure limiting valve |
05/21/2004 | WO2004042232A1 Compressor |
05/21/2004 | WO2004042231A1 Compressor |
05/20/2004 | US20040097885 Feeding set adaptor |
05/20/2004 | US20040096334 Pump system comprising a hydraulic pump, particularly for a steering system |
05/20/2004 | US20040093870 Vehicle control system |
05/19/2004 | EP1420165A2 Method and apparatus of detecting the condition of a centrifugal pump |
05/19/2004 | EP1420163A2 Control valve for variable capacity compressor |
05/19/2004 | EP1419316A1 Method for controlling a thick matter pump |
05/19/2004 | EP1266195B1 Continuous liquid flow system |
05/19/2004 | EP1045975B1 Control unit for controlling the build-up of pressure in a pump unit |
05/19/2004 | CN2616713Y Hydraulic control module for concrete pump |
05/19/2004 | CN2616705Y Bogheadite coal conveying pump |
05/19/2004 | CN1498312A Variable capacity compressor having adjustable crankpin threw structure |
05/19/2004 | CN1497181A Service life forcasting method of whirler and manufacturing device with whirler |
05/19/2004 | CN1497180A Service life forcasting system of wshirler, service life forcasting method of whirler and manufacturing device with whirler |
05/19/2004 | CN1497179A Control valve of variable capacitance compressor |
05/18/2004 | US6736605 Tandem pump unit |
05/18/2004 | US6735962 Composite auxiliary machine for vehicle and control unit thereof |
05/18/2004 | CA2111495C System and method for operating a respirator compressor system under low voltage conditions |
05/13/2004 | WO2004040138A1 Dual capacity compressor |
05/13/2004 | WO2004040137A1 Control system for a pumping unit |
05/13/2004 | US20040092789 Pump driving unit for driving a pump used for supporting or substitution of cardiac function |
05/13/2004 | US20040091374 Pump chamber having at least one spacer for inhibiting the pumping of a gas |
05/13/2004 | US20040091368 Control valve for variable capacity compressor |
05/13/2004 | US20040091367 Variable injection rate high pressure fuel pump |
05/13/2004 | US20040091365 Method of stepless capacity control of a reciprocating piston compressor and piston compressor with such control |
05/13/2004 | US20040090197 Method and apparatus of detecting disturbances in a centrifugal pump |
05/13/2004 | DE10329963A1 Operation control apparatus for reciprocating compressor, has controller which varies voltage applied to motor and operating frequency of compressor based on comparison of second stroke value and stroke reference value |
05/13/2004 | DE10329314A1 Pump for introducing a liquid into a chromatograph comprises chambers, plungers forming a first and a second volume with the chambers, a liquid connecting channel, a liquid inlet channel, and a liquid outlet channel |
05/13/2004 | DE10302481A1 Motor driving apparatus for use in reciprocating compressor, has capacitor to apply power voltage supplied from power supply unit to motor when positive temperature coefficient device cuts off power voltage |
05/12/2004 | EP1418339A2 Method and apparatus of detecting disturbances in a centrifugal pump |
05/12/2004 | EP1418335A2 Variable injection rate high pressure fuel pump |
05/12/2004 | EP1417461A2 Novel piezoelectric transducer assemblies and methods for their use |
05/12/2004 | EP1417415A1 Constant-pressure pump controller system |
05/12/2004 | CN2615377Y Compressor running capacity fixing device for outdoor machine of split air conditioner |
05/12/2004 | CN2615376Y Digit control system for air compressor |
05/12/2004 | CN2615370Y Automatic feeding lubricant oil protector for air compressor |
05/12/2004 | CN2615102Y Loading sensitive steering hydraulic system for loader |
05/12/2004 | CN1495433A System and method for detecting open-phase of compressor system |
05/12/2004 | CN1495396A Air conditioner, outdoor unit and refrigerating unit |
05/11/2004 | US6735284 System for controlling motor and method for the same |
05/11/2004 | US6733250 Filter unit, chemical liquid supply system, and chemical liquid supply method |
05/11/2004 | US6733248 Fluid pumping apparatus |
05/11/2004 | US6733246 Control device for variable displacement type compressor |
05/06/2004 | WO2004038219A1 Fluid dispenser calibration system and method |