| 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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| 12/09/2008 | US7462018 Air compressor having stable configuration |
| 12/09/2008 | US7462017 Method for driving a bidirectional motor to rotate a fluid circulation pump |
| 12/04/2008 | WO2008147605A1 End of stroke detection for electromagnetic pump |
| 12/04/2008 | WO2008073433A3 Pumping system with power optimization |
| 12/04/2008 | WO2008073386A3 Flow control |
| 12/04/2008 | US20080300727 Method of calculating pump flow rates and an automated pump control system |
| 12/04/2008 | US20080298978 Control and alarm system for sump pump |
| 12/04/2008 | US20080298977 Machine retarder |
| 12/03/2008 | EP1998045A1 Displacement machine with coaxial valves |
| 12/03/2008 | EP1209361B1 Internal intermediate pressure 2-stage compression type rotary compressor |
| 12/03/2008 | CN201159160Y Air pumping controller |
| 12/03/2008 | CN201159159Y Clip type movable brake of oil pumping machine |
| 12/03/2008 | CN201159147Y Crankshaft variable mud injecting pump |
| 12/03/2008 | CN101317045A Variable impulse-duration system with pressure regulating valve |
| 12/03/2008 | CN101315072A Control valve for variable capacity compressors and method for manufacturing the same |
| 12/03/2008 | CN100439753C Oil submerged pump special-purpose speed reducer and process for making same |
| 12/03/2008 | CN100439709C Air compressor with inlet control mechanism and automatic inlet control mechanism |
| 12/03/2008 | CN100439707C A pumping system |
| 12/03/2008 | CN100439706C Driving controlling device of linear compressor and method thereof |
| 12/02/2008 | US7459869 Driving apparatus of motor |
| 12/02/2008 | US7458786 Oil well pumping unit and method therefor |
| 12/02/2008 | US7458784 Suitcase style air compressor assembly |
| 12/02/2008 | US7458782 Computer monitoring system for pumps |
| 12/02/2008 | US7458781 Radiation fan driving apparatus |
| 12/01/2008 | CA2591395A1 Method of automated oil well pump control and an automated well pump control system |
| 11/27/2008 | WO2008144149A1 Controlling dead volume of a piston pump using an adjustment screw |
| 11/27/2008 | WO2008144037A1 Capacity modulated scroll compressor system and method |
| 11/27/2008 | US20080294098 End of stroke detection for electromagnetic pump |
| 11/27/2008 | US20080292475 Driving Controlling Apparatus for Reciprocating Compressor and Method Thereof |
| 11/27/2008 | US20080292474 Method for Controlling a Hydraulic Machine in a Control System |
| 11/27/2008 | US20080292473 High-Pressure Pump For Feeding Fuel To An Internal Combustion Engine |
| 11/27/2008 | US20080292472 Method for Controlling the Discharge Pressure of an Engine-Driven Pump |
| 11/27/2008 | US20080292471 Air Compressor Control |
| 11/27/2008 | US20080292470 Compressor driving torque estimating apparatus |
| 11/27/2008 | US20080289326 Pump Unit |
| 11/27/2008 | DE102007023799A1 Pumpe Pump |
| 11/26/2008 | EP1995460A1 Capacity control valve |
| 11/26/2008 | EP1994457A2 Method and apparatus for improved operation of an abatement system |
| 11/26/2008 | EP1994284A2 Method and device for operating an electric peristaltic hose pump |
| 11/26/2008 | EP1763637B1 Arrangement and method for a compressed air system |
| 11/26/2008 | CN201155452Y Concrete delivery pump high and low-voltage automatic switching device |
| 11/26/2008 | CN201155450Y Auto-switch for pump |
| 11/26/2008 | CN201155449Y Separating pumping separate conveying air discharging lock-preventing oil pump |
| 11/26/2008 | CN201155437Y Integrated type micro-overflow energy-saving axial pump |
| 11/26/2008 | CN201155436Y Four-cylinder electric pressure-testing pump |
| 11/26/2008 | CN101313155A Pump torque controller of hydraulic working machine |
| 11/26/2008 | CN100436823C Compressor internal state estimating device and air conditioner |
| 11/26/2008 | CN100436822C Sealed type electric compressor |
| 11/26/2008 | CN100436815C Control valve for variable displacement compressor |
| 11/25/2008 | US7456592 Apparatus and method for controlling operation of reciprocating compressor |
| 11/20/2008 | WO2008139459A1 Methods and apparatus for monitoring rotation of an infusion pump driving mechanism |
| 11/20/2008 | WO2008139349A1 Positive displacement pump comprising an externally assisted valve |
| 11/20/2008 | WO2008138711A1 Pump unit with a main pump and a charging pump with a variable pump capacity |
| 11/20/2008 | WO2008138603A1 Axial piston machine having a return device |
| 11/20/2008 | WO2008027068A3 Fluid system with pump activation device |
| 11/20/2008 | WO2008021214A3 Systems and methods for power ride-through in variable speed drives |
| 11/20/2008 | US20080286126 Utility pump |
| 11/20/2008 | US20080286120 Reciprocating piston pump operating on pressure medium |
| 11/20/2008 | US20080286119 Arrangement and method for monitoring a hydraulic system |
| 11/20/2008 | US20080286118 Capacity modulated scroll compressor system and method |
| 11/20/2008 | US20080286117 Pump with automatic deactivation mechanism |
| 11/20/2008 | US20080283134 Variable Resistance Fluid Controller |
| 11/20/2008 | US20080283131 Priming Valve Device for Water Circuit of a Beverage Machine |
| 11/20/2008 | DE10210300B4 Pumpenelement für eine Hochdruckpumpe und Hochdruckpumpe mit steuerbarer Fördermenge Pump element for a high pressure pump and high pressure pump with controllable flow |
| 11/20/2008 | CA2686773A1 Positive displacement pump comprising an externally assisted valve |
| 11/19/2008 | EP1992818A1 Reciprocating piston pump operating on pressure medium |
| 11/19/2008 | EP1991787A1 Apparatus for controlling delivery of fluid from a vessel |
| 11/19/2008 | EP1991785A1 Method and control unit for operating a linear compressor |
| 11/19/2008 | EP1991782A1 Linear drive and linear compressor with adaptable output |
| 11/19/2008 | EP1240431B1 Reducing power consumption in a peristaltic pump mechanism |
| 11/19/2008 | CN201152252Y Casting sealed explosion-proof compressor |
| 11/19/2008 | CN201152251Y Beam-pumping unit protection machine control device |
| 11/19/2008 | CN201152242Y Single wire electric lubricating pump |
| 11/19/2008 | CN201152172Y Wellhead equipment pressure test pump set automatic control system |
| 11/19/2008 | CN101310113A Engine-load control device for working vehicle |
| 11/19/2008 | CN101310110A Installation for high pressure compression with several stages |
| 11/19/2008 | CN101309635A Identification means |
| 11/19/2008 | CN101307755A Mud pump control displayer |
| 11/18/2008 | US7453229 Apparatus and method for controlling operation of reciprocating compressor |
| 11/18/2008 | US7452190 Method for discriminating between operating conditions in medical pump |
| 11/18/2008 | US7451609 Method of controlling compressor and controller |
| 11/18/2008 | CA2519328C Instrumented plunger for an oil or gas well |
| 11/18/2008 | CA2435869C Nutating pump, control system and method of control thereof |
| 11/18/2008 | CA2232083C Flow estimation and compensation of flow-induced pressure swings in cpap treatment and assisted respiration |
| 11/13/2008 | WO2008137037A1 Hydraulic pump with variable flow and pressure and improved open-loop electric control |
| 11/13/2008 | WO2008136796A1 Motor-compressor drive apparatus |
| 11/13/2008 | WO2008136195A1 Hydraulic unit, and construction machine having the unit |
| 11/13/2008 | US20080281241 Identification Means |
| 11/13/2008 | US20080279699 Feed pump |
| 11/13/2008 | US20080279610 Floor finish applicator |
| 11/13/2008 | DE102007033601B3 Vorrichtung zur stufenlosen Regulierung des Schadraumvolumens eines Kolbenverdichters Device for continuous control of the dead space volume of a reciprocating compressor |
| 11/13/2008 | DE102007021379A1 High pressure water gun, for cleaning surfaces by water jet blasting, has a valve assembly with a bypass valve to return water to the tank when the gun valve is closed |
| 11/12/2008 | EP1990542A1 Control valve for compressor |
| 11/12/2008 | EP1989444A2 High pressure pump of variable displacement |
| 11/12/2008 | CN201148956Y Electric controlled valve of variable compressor |
| 11/12/2008 | CN201148955Y Electric automobile air conditioner compressor |
| 11/12/2008 | CN201148948Y Magnetic control automatic reversing controlled gas drive hydraulic pump |
| 11/12/2008 | CN101305187A System and method for optimizing down-hole fluid yield |
| 11/12/2008 | CN101305185A Air-conditioning compressor with a differential-pressure limiting device |
| 11/12/2008 | CN101303604A Drive method of unsteady load |