| 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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| 02/27/2002 | EP1181454A1 Apparatus for preventing vacuum compression of scroll compressor |
| 02/27/2002 | EP0956446B1 Dosing pump and method for enhancing dosing precision |
| 02/27/2002 | CN1337530A Oil-pressure control device of building machine |
| 02/27/2002 | CN1079910C Adjustable hydrostatic radial-piston motor |
| 02/21/2002 | WO2002014684A1 Self-regulating gasoline direct injection system |
| 02/21/2002 | US20020021969 Compressor, its control device and control method |
| 02/20/2002 | EP1180599A1 Safeguarding device for a pump, which can be used in a fluid transmission |
| 02/20/2002 | EP1180598A2 Valve assembly |
| 02/20/2002 | EP1180595A2 Fuel supply arrangement |
| 02/20/2002 | EP1180216A1 A reciprocating compressor with a linear motor |
| 02/20/2002 | EP1082543B1 Regulation of the stroke frequency of a dosing pump |
| 02/20/2002 | EP0954703B1 Power- and moment-regulating system for a plurality of hydraulic pumps |
| 02/20/2002 | CN2477860Y Automatic and manual pressure switch of air compressor |
| 02/20/2002 | CN1336990A Hydraulic pump control device |
| 02/20/2002 | CN1336988A Autonomous inverter driving hydraulic unit |
| 02/20/2002 | CN1336490A Volume control device for oil pump |
| 02/20/2002 | CN1079497C Vibrating compressor |
| 02/20/2002 | CN1079495C 喷油系统 Fuel injection system |
| 02/19/2002 | USRE37553 Bubble detection and recovery in a liquid pumping system |
| 02/19/2002 | US6347614 Mechanical fuel injection system |
| 02/19/2002 | US6347516 Electrohydraulic pressure supply unit with variable-displacement pump and controllable electric device |
| 02/16/2002 | CA2354771A1 Syringe pumps |
| 02/14/2002 | WO2002012724A1 A system and method for compressing a fluid |
| 02/14/2002 | US20020018723 Control valve |
| 02/14/2002 | DE10115506A1 Kolbenkompressor variabler Verdrängung Piston variable displacement compressor |
| 02/14/2002 | DE10037195A1 Axial-piston, variable-displacement hydrostatic machine for driving moving machinery, runs in closed cycle and has pressure cut-off system operated from overpressure safety unit |
| 02/13/2002 | EP1179680A2 Control valve for a variable displacement swash plate compressor |
| 02/13/2002 | EP1179679A2 Control valve of variable displacement compressor |
| 02/13/2002 | CN2476634Y Controller for beam-pumping unit |
| 02/12/2002 | US6345608 Fuel supply system for an internal combustion engine |
| 02/07/2002 | DE10130475A1 Feedback linearization algorithms for determination of servo valve position control delivery pressure of variable-displacement hydraulic swashplate pump |
| 02/07/2002 | DE10063953A1 Verfahren und Vorrichtung zum Betreiben einer Schneckenpumpe Method and apparatus for operating a screw pump |
| 02/07/2002 | DE10036202A1 Dickstoffpumpe Slurry pump |
| 02/07/2002 | DE10035834A1 Dosierpumpe mit einem Elektromotor Dosing pump with an electric motor |
| 02/07/2002 | DE10035631A1 Staudruckschaltung A dynamic pressure circuit |
| 02/06/2002 | EP1177132A1 Volumetric vacuum control |
| 02/06/2002 | EP1027539A4 Peristaltic pump controller with nonlinear pump calibration coefficient |
| 02/06/2002 | CN2475850Y Adjustable high efficient energy-saving beam-pumping unit capable of automatic controlling single well, double well or multi-well location |
| 02/06/2002 | CN1078934C Surge recurrence prevention control system for dynamic compressors |
| 02/05/2002 | US6344722 Control device for a membrane pump |
| 02/05/2002 | US6343656 System and method for optimizing production from a rod-pumping system |
| 01/31/2002 | WO2002008605A1 Thick matter pump |
| 01/31/2002 | WO2002008601A2 Dosing pump with an electric motor |
| 01/31/2002 | DE10128499A1 Pumpe mit variabler Verdrängung Variable displacement pump |
| 01/31/2002 | DE10033995A1 Control method for electrically driven metering pump, by correcting pump drive based on difference between theoretical flow rate and reference values |
| 01/31/2002 | DE10033994A1 Verfahren zum Ansteuern eines Elektromotors einer Dosierpumpe A method of driving an electric motor of a metering pump |
| 01/31/2002 | DE10033992A1 Fördervorrichtung mit einem stromgesteuerten Motor Conveyor device having a current-controlled motor |
| 01/31/2002 | DE10033740A1 Control system for reversible hydrostatic pump has a tilt mounted linkage to operate on two control valves for a variable control in either direction |
| 01/30/2002 | CN1333432A Control valve for positive-displacement compressor |
| 01/30/2002 | CN1333430A Displacement control mmechanism for positive-displacement compressor |
| 01/30/2002 | CN1078678C Method and device for producing an intake valve of plate-like construction |
| 01/30/2002 | CN1078676C Positive-displacement compressor and assembling method |
| 01/30/2002 | CN1078675C Variable displacement compressor |
| 01/29/2002 | US6341947 Pump device wherein detection of failure of one of pumps causes a change in the manner of control of the pump or pumps to compensate for the failure |
| 01/29/2002 | US6341946 Continuously adjustable telescopic pedal crank length |
| 01/29/2002 | US6341943 Blower |
| 01/29/2002 | US6341497 Motor reversal switching system |
| 01/24/2002 | WO2002006671A1 Variable displacement swash plate type clutchless compressor |
| 01/24/2002 | DE19680008C1 Power transmission system directly controlling electrical supply to variable speed motor driving hydraulic positive displacement pump |
| 01/23/2002 | EP1174620A2 Dynamic pressure control |
| 01/22/2002 | CA2146096C Thermal dispersion probe |
| 01/17/2002 | WO2002004811A2 Method for controlling the electric motor of a metering pump |
| 01/17/2002 | WO2002004810A2 Method for controlling the electric motor of a dosing pump |
| 01/17/2002 | US20020006337 Displacement control mechanism for variable displacement type compressor |
| 01/17/2002 | US20020005197 Portable drag compressor powered mechanical ventilator |
| 01/17/2002 | DE10033331A1 Membrane pump for liquid, tixotropic, abrasive additives for mixing of dry compounds has automatically regulated dosing system operated by fluid motor without outside energy |
| 01/16/2002 | EP1172560A2 Pump system with current controlled motor |
| 01/16/2002 | EP1172559A2 Displacement control mechanism for variable displacement type compressor |
| 01/16/2002 | EP1172558A2 Control valve for variable displacement compressor |
| 01/16/2002 | EP1171713A1 High pressure pump and engine system using the same |
| 01/16/2002 | EP1171707A1 Variable delivery pump and common rail fuel system using the same |
| 01/16/2002 | EP1171217A1 Filter monitor |
| 01/16/2002 | CN1331783A Pump controller for precision pumping appts. |
| 01/16/2002 | CN1077958C Adjustable hydrostatic pump |
| 01/10/2002 | WO2002002970A1 Hydrostatic transmission |
| 01/10/2002 | WO2002002940A1 Safety device for an air-conditioning compressor |
| 01/10/2002 | US20020004013 Vane pump |
| 01/10/2002 | US20020004012 Control valve for variable displacement compressor |
| 01/10/2002 | US20020004011 Control valve for variable displacement compressor |
| 01/09/2002 | EP0918597B1 Pumping unit with speed transducer |
| 01/09/2002 | CN1330227A Gas compressor and air-conditioning system |
| 01/09/2002 | CN1077654C Control valve in variable displacement compressor |
| 01/09/2002 | CN1077638C Auto-acceleration system for prime mover and pump control device |
| 01/08/2002 | US6336592 Thermal control for a test and measurement instrument |
| 01/08/2002 | US6336337 Multi-stage compressor pump driving system for air conditioning and refrigeration applications |
| 01/08/2002 | US6336324 Slewing gear control system with braking and control valves |
| 01/03/2002 | WO2002001074A1 Vane-cell pump |
| 01/03/2002 | WO2001042650A3 Compressor valve with integrated sensor |
| 01/03/2002 | US20020002321 Pump driving unit for driving a pump used for supporting or substitution of cardiac function |
| 01/03/2002 | US20020001533 Gas Compressor and air conditioning system |
| 01/03/2002 | US20020001527 Apparatus for generating and conducting a fluid flow, and method of monitoring said apparatus |
| 01/03/2002 | US20020001523 Air compressor and method of operating the same |
| 01/03/2002 | US20020000217 Flow amount control device |
| 01/03/2002 | DE10130487A1 Druchflussmengenregler für Kraftstoffeinspritzsystem Druchflussmengenregler for fuel injection system |
| 01/03/2002 | DE10120252A1 Pumpe mit veränderlicher Verdrängung Pump with variable displacement |
| 01/03/2002 | DE10056568C1 Device, for controlling hydraulic membrane compressor, has control valve with throttle, where increasing differential pressure across throttle, causes control valve to open additional opening |
| 01/03/2002 | DE10029226A1 Regelsicherheitsblock mit Schwingungsdämpfer für Hochdruckreiniger Regulating safety block with vibration damper for high pressure cleaners |
| 01/02/2002 | EP1167898A1 Refrigeration apparatus with reversible cycle |
| 01/02/2002 | EP1167768A2 Vane Pump |
| 01/02/2002 | EP1167767A1 Flow control for a peristaltic pump |