| 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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| 02/11/2009 | CN100461615C Motor control apparatus |
| 02/11/2009 | CN100460685C Leakage detection system and method used for delivering leakage detector by a vacuum pump |
| 02/11/2009 | CN100460677C Refrigerator, free piston type linear compressor and control method thereof |
| 02/11/2009 | CN100460676C Positive-displacement vacuum pump and method for controlling the drive motor of the positive-displacement vacuum pump |
| 02/11/2009 | CN100460672C Pump system for conveying lubricating oil |
| 02/05/2009 | WO2009016468A2 Pump control apparatus and brake control system |
| 02/05/2009 | WO2009016355A2 Cavitation detection |
| 02/05/2009 | US20090037143 Compressor performance calculator |
| 02/05/2009 | US20090035629 Multi-channel pump, fuel cell and control methods therefor |
| 02/05/2009 | US20090035157 Vacuum pump incorporating safety device and manufacturing method thereof |
| 02/05/2009 | US20090035151 Vacuum pump self-diagnosis method, vacuum pump self-diagnosis system, and vacuum pump central monitoring system |
| 02/05/2009 | DE102007036816A1 Verfahren und Vorrichtung zum Fördern von Lebensmitteln Method and device for conveying of foodstuffs |
| 02/05/2009 | DE10136705B4 Elektromagnetventil Solenoid valve |
| 02/04/2009 | EP2020508A1 Overpressure safety device for a vacuum pump |
| 02/04/2009 | EP2019923A1 Method and apparatus for controlling a relay pumping setup |
| 02/04/2009 | CN201190660Y Overpressure and ultralow temperature automatic protective system for liquid nitrogen pump skid |
| 02/04/2009 | CN201190659Y Pressure control device for double-screw air compressor |
| 02/04/2009 | CN201190658Y Oil control device for electric-controlled single-plunger type dispensing pump |
| 02/04/2009 | CN201190645Y Oil supply adjusting mechanism for electric-controlled dispensing pump |
| 02/04/2009 | CN101361244A Electronic method for starting compressor |
| 02/04/2009 | CN101360917A Hydraulic unit and method of controlling speed of motor in hydraulic unit |
| 02/04/2009 | CN101358591A Lifting one-way drip for screw pump |
| 02/04/2009 | CN101358590A Rotary type one-way drip for screw pump |
| 02/04/2009 | CN101358589A Microvalve device suitable for controlling a variable displacement compressor |
| 02/04/2009 | CN101358586A Control valve for variable capacity compressors |
| 02/04/2009 | CN100458630C Controlling system of intelligent air compressor |
| 02/04/2009 | CN100458391C Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
| 02/04/2009 | CN100458160C Operation control method for linear compressor |
| 02/04/2009 | CN100458159C Work vehicle with hydrostatic steering system |
| 02/03/2009 | US7484939 Variable displacement radial piston pump |
| 02/03/2009 | US7484938 Electronic control for pool pump |
| 01/29/2009 | WO2009014933A1 Method and apparatus for resisting disabling fouling of compressors in multistage compression systems |
| 01/29/2009 | US20090030402 Suctioning System, Method and Kit |
| 01/29/2009 | US20090028724 Self-modulated scroll compressor with optimized built-in volume ratio |
| 01/29/2009 | US20090028723 Capacity modulation system for compressor and method |
| 01/29/2009 | US20090028720 Vacuum pump |
| 01/29/2009 | DE102008022954A1 Reparatursatz zum Reparieren und Aufpumpen aufpumpbarer Artikel und Steuerverfahren dafür Repair kit for repairing and inflating inflatable products and control method thereof |
| 01/29/2009 | DE102007034293A1 Hubgeregelter Linearverdichter Hubgeregelter linear compressor |
| 01/29/2009 | CA2693714A1 Method and apparatus for resisting disabling fouling of compressors in multistage compression systems |
| 01/28/2009 | EP2019205A2 Double-action fluid weighing and dispensing process and system |
| 01/28/2009 | CN201187439Y Clamp disc type hydraulic brake releasing device |
| 01/28/2009 | CN201187438Y Monitoring apparatus of frame vehicle static pressure drive pump electric control system |
| 01/28/2009 | CN101356373A Systen and method for position control of a mechanical piston in a pump |
| 01/28/2009 | CN101356372A System and method for pressure compensation in a pump |
| 01/28/2009 | CN101354030A Micro-fluid pump with active control capability |
| 01/28/2009 | CN101354029A Micro-fluid pump with multi-channel active control capability |
| 01/28/2009 | CN101354024A Direct connection type air compressor driven by brushless dc motor and control method thereof |
| 01/27/2009 | US7481627 Air compressor tools that communicate with an air compressor |
| 01/27/2009 | US7481051 Tree feller power management |
| 01/27/2009 | CA2442973C Control system for centrifugal pumps |
| 01/22/2009 | WO2009012083A2 Precision pump with multiple heads |
| 01/22/2009 | WO2009011283A1 Displacement control system for variable displacement compressor |
| 01/22/2009 | WO2009011251A1 Displacement control valve for variable displacement compressor |
| 01/22/2009 | WO2009011223A1 Compressor and freezer |
| 01/22/2009 | WO2009010320A1 Method for determining the flow rate or the actuation frequency of a fluid pump, particularly in an electronic motor vehicle brake system |
| 01/22/2009 | WO2009010048A1 Compressed-air compressor |
| 01/22/2009 | WO2009010039A2 Device for the infinite variation of the clearance volume of a piston compressor |
| 01/22/2009 | US20090019835 Fluid delivery system |
| 01/22/2009 | DE102008030344A1 Kombiniertes Ansaugventil und elektrische Drucksteuerung für Farbsprühpumpen Combined suction valve and electric pressure control for Farbsprühpumpen |
| 01/22/2009 | DE102008003167A1 Hydraulische Kalibrierpumpe Hydraulic calibration syringe |
| 01/22/2009 | DE102007034113A1 Verfahren zur Kalibrierung einer Hydraulikpumpe A method of calibrating a hydraulic pump |
| 01/21/2009 | EP1458431B1 Equipment for controlling blood flow in an extracorporeal blood circuit |
| 01/21/2009 | CN201184293Y Beam type oil pumping machine brake safe slips |
| 01/21/2009 | CN201184292Y Pressure control adjusting apparatus of air compressor |
| 01/21/2009 | CN201184291Y Slurry pump with improved safety device |
| 01/21/2009 | CN201184290Y Electromagnetic brake of oil pumping machine |
| 01/21/2009 | CN101351645A Apparatus and method for controlling operation of linear compressor |
| 01/21/2009 | CN101349272A Blow-off valve |
| 01/21/2009 | CN101349270A Multicylinder rotary compressor and compressing system and refrigerating unit provided with same |
| 01/21/2009 | CN101349264A Compressor with blocked suction capacity modulation |
| 01/21/2009 | CN100453809C Method and system for monitoring a reciprocating compressor |
| 01/20/2009 | US7478537 Method of controlling vehicular air-conditioner |
| 01/20/2009 | CA2493895C Method and apparatus for reducing inrush current in a multi-stage compressor |
| 01/20/2009 | CA2351645C Apparatus and method for detection of a leak in a pump membrane |
| 01/20/2009 | CA2347537C Programmable, fluid pressure actuated blood processing systems and methods |
| 01/20/2009 | CA2285683C Method and apparatus for controlling operation of a submersible pump |
| 01/15/2009 | WO2009008479A1 Displacement control system for variable displacement compressor |
| 01/15/2009 | US20090016901 Self-priming electronic metering pump and priming methodology |
| 01/15/2009 | US20090016898 Compressor Device |
| 01/15/2009 | US20090013861 Combined pump housing for several rated quantities |
| 01/15/2009 | DE102007032949A1 Verfahren zur Bestimmung der Förderleistung oder der Betätigungshäufigkeit einer Fluidpumpe, insbesondere in einem elektronischen Kraftfahrzeugbremssystem Method for determining the delivery rate or the frequency of operation of a fluid pump, in particular in an electronic motor vehicle brake system |
| 01/14/2009 | EP2013479A2 Control valve assembly for a compressor unloader |
| 01/14/2009 | EP2013475A1 Hydraulic motor having radial cylinders and continuous variable displacement |
| 01/14/2009 | EP2013423A2 Method of reducing the load of one or more engines in a large hydraulic excavator |
| 01/14/2009 | CN201180638Y Liquid controlled reversing device of CNG substation hydraulic compressor |
| 01/14/2009 | CN201180637Y Fluted disc type brake protecting device of oil pumping machine |
| 01/14/2009 | CN201180636Y Numerical control reciprocating type oil-submersible motor driven oil pump |
| 01/14/2009 | CN201180635Y Hydraulic double-acting rodless pump |
| 01/14/2009 | CN101346577A Apparatus and method for pumping a cryogenic fluid from a storage vessel and diagnosing cryogenic pump performance |
| 01/14/2009 | CN101344082A Sealed compressor and freezing circulating device having the sealed compressor |
| 01/14/2009 | CN100451336C Low idling energy consumption hydraulic power source |
| 01/14/2009 | CN100451296C Switch valve structure of fluid machine |
| 01/13/2009 | US7476089 Scroll compressor having overheat preventing unit |
| 01/13/2009 | US7476088 Air compressor |
| 01/13/2009 | US7476087 Pump controller for precision pumping apparatus |
| 01/13/2009 | CA2347022C Systems and methods for control of pumps |
| 01/08/2009 | WO2009005574A1 Capacity modulated compressor |
| 01/08/2009 | WO2009003540A1 Diaphragm pump |
| 01/08/2009 | WO2009003462A2 Valve-controlled hydraulic engine |
| 01/08/2009 | US20090010766 Apparatus and method for controlling operation of linear compressor |