| 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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| 10/28/2009 | CN100555238C A precision diagnostic method for the failure protection and predictive maintenance of a vacuum pump and a precision diagnostic system therefor |
| 10/28/2009 | CN100554685C Peristaltic pump comprising a bearing member and a counter-member adapted to cooperate with a tube |
| 10/27/2009 | US7607899 Compressor with capacity control |
| 10/27/2009 | US7607896 Systems and methods for power ride-through in variable speed drives |
| 10/27/2009 | US7607895 Fluid circulation pump with synchronous motor, equipped with heating means of the fluid, in particular for washing machines |
| 10/27/2009 | US7607750 Pump control mechanism, printer incorporating the same, and pump control method |
| 10/27/2009 | US7607297 Total power controller |
| 10/27/2009 | US7607296 Device and method of controlling hydraulic drive of construction machinery |
| 10/27/2009 | CA2523043C Portable drag compressor powered mechanical ventilator |
| 10/22/2009 | WO2009127317A1 Pressure generator of a hydraulic vehicle brake system and operating method for this |
| 10/22/2009 | US20090263255 Apparatus and method for controlling electric compressor |
| 10/21/2009 | EP2109717A2 System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellation |
| 10/21/2009 | EP2109716A2 Multi index with stroke selector pump |
| 10/21/2009 | EP1904745B1 Device for driving an electromagnetic pump and related electromagnetic dosing pump |
| 10/21/2009 | CN201330697Y Oil field augmented injection pump intelligent drive energy-saving control apparatus |
| 10/21/2009 | CN201330696Y Electric control device of engine-air compressor |
| 10/21/2009 | CN201330695Y Clearance setting device for capacity-varying regulation of linear compressor |
| 10/21/2009 | CN201330694Y Positive-displacement metering pump capable of calibration |
| 10/21/2009 | CN201330691Y Strong self priming full-automatic vacuum-pumping device for pump |
| 10/21/2009 | CN101563541A System and method for operation of a pump |
| 10/21/2009 | CN101560971A Pump unit energy efficiency automatic control system and control method thereof |
| 10/21/2009 | CN100552220C Compressor and using method of compressor |
| 10/20/2009 | US7604462 High pressure pump having plunger |
| 10/20/2009 | US7603987 Injection pump for a piston engine |
| 10/20/2009 | CA2502925C Fluid dispenser calibration system and method |
| 10/15/2009 | WO2009125505A1 Axial piston equipment and hydraulic circuit, and operating machine |
| 10/15/2009 | US20090257891 Hydraulic system and method for controlling valve phasing |
| 10/15/2009 | US20090257887 Remote oil pumping system for an automatic transmission |
| 10/15/2009 | US20090257886 Method And Apparatus For Controlling Microfluidic Flow |
| 10/15/2009 | DE10300683B4 Hybridverdichter Hybrid compressor |
| 10/14/2009 | EP1417461B1 Novel piezoelectric transducer assemblies and methods for their use |
| 10/14/2009 | CN201326538Y Flow regulating device of diaphragm pump |
| 10/14/2009 | CN101558243A Engine load control device of work vehicle |
| 10/14/2009 | CN101558242A Method and system for controlling machine power |
| 10/14/2009 | CN101555877A Flow-stabilizing regulating and controlling device of sea water pump |
| 10/14/2009 | CN101554986A Beverage dispensing apparatus and method |
| 10/14/2009 | CN100549423C Screw compressor and operating method thereof |
| 10/14/2009 | CN100548817C Variable-frequency method for controlling powder escape amount during vacuum nitrogen filling |
| 10/13/2009 | US7600988 Air-demand-controlled compressor arrangement, particularly for commercial vehicles |
| 10/13/2009 | US7600982 Compact helical compressor for mobile use in a vehicle |
| 10/13/2009 | US7600472 Pump control mechanism, printer using the same and pump control method |
| 10/08/2009 | WO2009122784A1 Motor controller, air compressor, air conditioner, controller of passenger conveyor and controller of conveyor |
| 10/08/2009 | US20090252620 Reinforced smart mud pump |
| 10/08/2009 | US20090252616 Variable Rate Pumping System |
| 10/08/2009 | US20090250000 Vacuum processing apparatus |
| 10/08/2009 | US20090249576 Rear washer fluid enable/disable |
| 10/07/2009 | EP2107252A1 Pump control device for construction machine |
| 10/07/2009 | EP2107242A1 Beverage dispensing apparatus comprising a solenoid pump and method of controlling the solenoid pump |
| 10/07/2009 | EP2107241A2 A Piston Pump Having a Force Sensor and a Method for Controlling Said Pump |
| 10/07/2009 | EP2106634A1 Method and system for controlling the operation of a pump |
| 10/07/2009 | CN201321969Y Compressor control valve |
| 10/07/2009 | CN201321959Y Propelling unit and entertainment or transportation tool using same |
| 10/07/2009 | CN101550928A Material level judging and controlling mechanism of concrete delivery pump |
| 10/07/2009 | CN100547239C Device and method for controlling a slurry pump |
| 10/06/2009 | CA2355754C System for remote diagnosis of the state of wear of the suction and delivery valves of reciprocating compressors |
| 10/01/2009 | WO2009118452A1 An apparatus, a control circuit and a method for producing pressure and volume flow |
| 10/01/2009 | WO2009117765A1 Ultra high pressure pump with an alternating rotation to linear displacement drive mechanism |
| 10/01/2009 | US20090246062 Slide valve actuation for overpressure safety |
| 10/01/2009 | US20090246041 Displacement control valve of a variable displacement compressor |
| 10/01/2009 | US20090246040 Multistage Vacuum Pump Unit and an Operation Method Thereof |
| 10/01/2009 | US20090246036 Method for controlling a compressed air unit and a controller and compressed air unit for applying such a method |
| 10/01/2009 | US20090246034 Electric motor in an overflow capture vessel in a tank |
| 10/01/2009 | US20090243431 Piezoelectric element drive device, electronic apparatus, and method for controlling piezoelectric element drive frequency |
| 10/01/2009 | US20090242583 Variable flow air flow controller |
| 10/01/2009 | US20090241535 On-demand hydraulic pump for a transmission and method of operation |
| 09/30/2009 | EP2105368A1 Hydraulic circuit for a wagon, in particular a ballast wagon |
| 09/30/2009 | EP2105152A1 Membrane pump with ventilation valve |
| 09/30/2009 | EP2105151A1 Membrane pump with ventilation valve |
| 09/30/2009 | EP1869325B1 Fluid-working machines |
| 09/30/2009 | CN201318268Y Electric control valve for compressor |
| 09/30/2009 | CN201318267Y Mini air compressor pressure adjuster |
| 09/30/2009 | CN101545480A A pneumatic controller for inflatable products |
| 09/30/2009 | CN101545479A PWM energy-saving control device for rechargeable battery powered compressor |
| 09/30/2009 | CN101545476A Output valve for air storage tank of air compressor |
| 09/29/2009 | CA2495783C Speed control for compressors |
| 09/24/2009 | WO2009115354A1 High-pressure pump |
| 09/24/2009 | WO2009092532A3 Compressor and method for controlling a compressor for the compressed air supply of a utility vehicle |
| 09/24/2009 | WO2009092528A3 Compressor and method for controlling a compressor for supplying compressed air to a utility vehicle |
| 09/24/2009 | US20090238700 Equipment for continuous regulation of the flow rate of reciprocating compressors |
| 09/24/2009 | US20090238699 Control valve assembly for a compressor unloader |
| 09/24/2009 | US20090238696 Traveling control apparatus for hydraulic traveling vehicle |
| 09/24/2009 | US20090235900 Control device of high-pressure fuel pump of internal combustion engine |
| 09/24/2009 | US20090235655 Hystat transmission having pressure override control |
| 09/23/2009 | EP2102503A2 Priming protection |
| 09/23/2009 | EP2102501A1 Apparatus for adjusting top clearance of reciprocating compressor |
| 09/23/2009 | CN201314291Y Protector of oil well pump |
| 09/23/2009 | CN101542123A Inverter compressor operation method and compressor drive device |
| 09/23/2009 | CN101539331A Universal hot water circulating pump system |
| 09/23/2009 | CN101539136A Automatic variable-frequency regulating device for compressor of electric refrigerating machine |
| 09/23/2009 | CN101539135A Intelligent monitoring device for screw pump well |
| 09/23/2009 | CN100543305C Compressor |
| 09/23/2009 | CN100543304C Self-controlled pump and standard force-measuring device adopting the self-controlled pump |
| 09/17/2009 | WO2009114820A2 High capacity chiller compressor |
| 09/17/2009 | WO2009112121A1 Controller and the use thereof |
| 09/17/2009 | WO2009111970A1 Hydraulic cylinder, oil pumping unit, oil pumping module and oil pumping system |
| 09/17/2009 | WO2009077304A3 Method and control device for controlling a compressor |
| 09/17/2009 | WO2009072160A3 High-energy efficiency plant for automotive methane compression |
| 09/17/2009 | US20090232668 Vehicle including compressed air consuming devices and a method of operating the same |
| 09/17/2009 | US20090232666 Linear Compressor |
| 09/17/2009 | US20090232664 Permanent magnet motor for subsea pump drive |