| 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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| 10/02/2002 | DE10104635A1 Method for maintaining a constant output value, e.g. pressure, feed volume or capacity for vehicle oil pump, using rotational velocity transducer to adjust rotational speed of pump |
| 10/02/2002 | CN1372079A Control valve for positive displacement engine |
| 10/02/2002 | CN1091846C Scroll machine with capacity modulation |
| 10/02/2002 | CN1091845C Variable displacement compressor |
| 10/01/2002 | US6457946 Regulatable pump |
| 10/01/2002 | US6457944 Regulation of the stroke frequency of a dosing pump |
| 10/01/2002 | US6457319 Air conditioner and control valve in variable displacement compressor |
| 10/01/2002 | CA2255359C Scroll-type compressor and operation method therefor |
| 09/26/2002 | WO2002075156A1 Pressure generator for flowing media |
| 09/26/2002 | WO2002075155A1 Pressure generator for flowing media |
| 09/26/2002 | WO2002074222A2 Inflatable support |
| 09/26/2002 | US20020136642 Method for regulating a delivery variable of a pump |
| 09/26/2002 | DE10200378A1 Gerät und Verfahren zum Steuern eines elektrischen Verdichters Apparatus and method for controlling an electric compressor |
| 09/26/2002 | DE10114042A1 Hydraulikanlage für zwei Konstantpumpen Hydraulic system for two fixed displacement pumps |
| 09/25/2002 | EP1243799A2 Hydraulic system for two fixed-volume pumps |
| 09/25/2002 | EP1243449A2 Compressor torque computing method, air-conditioning system and engine control apparatus |
| 09/25/2002 | EP1242767A1 Method for draining a condensate and a condensate drain |
| 09/25/2002 | CN1371453A Internal intermediate pressure 2-stage compression type rotary compressor |
| 09/25/2002 | CN1370956A Air conditioning system and method |
| 09/25/2002 | CN1091510C Refrigeratory capacity control method for refrigerating device |
| 09/24/2002 | US6454544 Pump for conveying fuel in an internal combustion engine |
| 09/24/2002 | US6453688 Idling engine speed control apparatus |
| 09/24/2002 | US6453685 Control apparatus and control method for variable displacement compressor |
| 09/19/2002 | WO2002073035A1 Axial piston compressor with an axel swashplate actuator |
| 09/19/2002 | WO2000001947A3 Pump mechanism |
| 09/19/2002 | US20020131875 Filter unit, chemical liquid supply system, and chemical liquid supply method |
| 09/19/2002 | US20020131866 Apparatus and method to provide run-dry protection to semi-positive and positive displacement pumps |
| 09/19/2002 | US20020130549 Pump motor control in electro-hydraulic braking systems |
| 09/19/2002 | US20020129793 Fuel supply apparatus and method of control thereof |
| 09/19/2002 | DE10107558A1 Dosiervorrichtung für Schmiermittel Metering device for lubricants |
| 09/18/2002 | EP1241356A2 Drive circuit for fluid motor |
| 09/18/2002 | EP1241349A2 Fuel supply apparatus and method of control thereof |
| 09/18/2002 | EP1241338A2 Fuel supply system |
| 09/18/2002 | EP1240932A2 Filter unit, chemical liquid supply system, and chemical liquid supply method |
| 09/18/2002 | EP1240431A1 Reducing power consumption in a peristaltic pump mechanism |
| 09/18/2002 | EP1240428A2 Compressor valve with integrated sensor |
| 09/18/2002 | CN2511789Y Tower digital sucker |
| 09/18/2002 | CN1369650A Oblique disk positioning auxiliary mechanism |
| 09/18/2002 | CN1369642A Vortex compressor |
| 09/18/2002 | CN1369641A Recognition and control method for affection of sucker rod's dilatation deformation to pmping effect for pumping unit |
| 09/18/2002 | CN1369616A Method for controlling stroke period of pumping unit |
| 09/17/2002 | US6450777 Fluid pumping apparatus |
| 09/17/2002 | US6450771 System and method for controlling rotary screw compressors |
| 09/17/2002 | US6450146 High pressure pump with a close-mounted valve for a hydraulic fuel system |
| 09/17/2002 | US6449972 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 09/17/2002 | US6449971 Air-conditioning system |
| 09/17/2002 | US6449965 Vehicle air conditioner |
| 09/12/2002 | US20020128730 Disturbance estimated type control system, gas compressor control system and method of designing a disturbance estimated type control system |
| 09/12/2002 | US20020127116 Axial piston compressor |
| 09/12/2002 | US20020127115 Dynamic brake with backlash control for peristaltic pump |
| 09/12/2002 | US20020125052 Hybrid construction equipment |
| 09/12/2002 | DE10207362A1 Kraftstoffpumpe für eine Verbrennungskraftmaschine Fuel pump for an internal combustion engine |
| 09/12/2002 | DE10161296A1 Variable Verdrängungspumpe Variable displacement pump |
| 09/12/2002 | DE10110368A1 Vacuum pump has outlet connector with openings in base of circumferential slot to form an opening and closing passage, and elastic O-ring fitted in slot forms valve element while defining faces of slot form valve seat |
| 09/12/2002 | DE10109412A1 Fluidfördereinrichtung Fluid conveyor |
| 09/11/2002 | EP1239156A1 Temperature control device of liquid cooling device |
| 09/11/2002 | EP1239154A2 Compressor provided with pressure relief valve |
| 09/11/2002 | EP1239152A2 Electric motor driven hydraulic pump |
| 09/11/2002 | EP1238837A1 Method for regulating a compressor |
| 09/11/2002 | EP1237595A1 Method for compensating for pressure differences across valves in cassette type iv pump |
| 09/11/2002 | CN1368603A Flying pump clutch |
| 09/10/2002 | US6447572 Method of regulating a fluid treatment plant, fluid treatment plant and application of such a plant to the production of a constituent of air |
| 09/10/2002 | US6447273 Variable-delivery high-pressure fuel pump |
| 09/10/2002 | US6447263 Fuel pump with auxiliary pumping chamber |
| 09/10/2002 | US6447258 Control valve for variable displacement compressor |
| 09/10/2002 | US6446451 Variable capacity compressor having adjustable crankpin throw structure |
| 09/10/2002 | US6446433 Hydraulic control system for improving pump response and dynamic matching of pump and valve |
| 09/05/2002 | US20020122730 Pressure washer having oilless high pressure pump |
| 09/05/2002 | US20020122727 Generator unit with clutch-driven pump |
| 09/05/2002 | DE10205714A1 Steuerventil und damit ausgestatteter verstellbarer Kompressor Control valve and thus equipped adjustable compressor |
| 09/05/2002 | DE10202896A1 Verstellbarer Kompressor Adjustable compressor |
| 09/05/2002 | DE10110287A1 Volumetric flow control for constant pumps alternates off-pressure fluid reservoiring and on-pressure line feed using counter-rotating sleeves valve adjusting lengthways to vary registering of ports. |
| 09/04/2002 | EP1236898A2 Control valve in variable displacement compressor |
| 09/04/2002 | EP1236595A1 Vehicle air conditioning systems and methods for operating the same |
| 09/03/2002 | US6443717 Variable timing valves for gas compressors and expanders |
| 09/03/2002 | US6443708 Compression volume control apparatus for refrigeration cycle |
| 09/03/2002 | US6442934 Hydraulic controller for variable capacity hydraulic transmission |
| 08/29/2002 | WO2002066841A1 Hydraulic circuit of construction machinery |
| 08/29/2002 | WO2001035520A8 Device and method for controlling supply of current and static capacitance to compressor |
| 08/29/2002 | US20020119408 Fluid delivery device, particularly for delivery of combustion air to a heating burner of a motor vehicle |
| 08/29/2002 | US20020119053 Reversible volume oil pump |
| 08/29/2002 | US20020119050 Multi-stage variable speed compressor |
| 08/29/2002 | US20020117642 Control valve in variable displacement compressor and method of manufacturing the same |
| 08/29/2002 | US20020117155 Fuel pump for an internal combustion engine |
| 08/29/2002 | US20020116938 Refrigerating apparatus |
| 08/28/2002 | EP1235340A2 Method and apparatus for controlling starting of synchronous motor and electric pump |
| 08/28/2002 | EP1235025A1 Apparatus for metering lubricant |
| 08/28/2002 | EP1234372A1 Device and method for controlling supply of current and static capacitance to compressor |
| 08/28/2002 | CN2507994Y Drum type pumping unit |
| 08/28/2002 | CN1366147A Hydraulic controlled cold starting neutral valve |
| 08/28/2002 | CN1366137A Energy-saving efficient petroleum recovering for automatic digital petroleum recovering machine |
| 08/28/2002 | CN1089867C Hydraulic pump control system |
| 08/27/2002 | US6439857 Axial piston compressor |
| 08/27/2002 | US6439856 Inline stroke counter for air pumps |
| 08/27/2002 | US6438974 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 08/27/2002 | CA2373409A1 Reversible volume oil pump |
| 08/22/2002 | WO2002064980A1 Pump trouble diagnosing device for hydraulic drive device and display device of the diagnosing device |
| 08/22/2002 | US20020114704 Variable displacement compressor |
| 08/22/2002 | US20020113568 Method and apparatus for controlling starting of synchronous motor and electric pump for controlling working fluid of motor vehicle driving system using the appparatus |
| 08/22/2002 | US20020112759 Apparatus for dosing lubricant into an air line |