| 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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| 12/03/2009 | WO2009146222A1 Variable-volume head |
| 12/03/2009 | WO2009145706A1 Hydraulic device control |
| 12/03/2009 | WO2009145582A2 Fuel-saving apparatus for industrial hydraulic machine |
| 12/03/2009 | WO2009145163A1 Displacement control system for variable displacement compressor |
| 12/03/2009 | WO2009145028A1 Electric compressor |
| 12/03/2009 | US20090297370 Combined power pack unit |
| 12/03/2009 | US20090297363 Variable output fluid pump system |
| 12/03/2009 | US20090297362 Electrical system for a pump |
| 12/03/2009 | DE102008026308A1 Lubricant supply system for supplying engine oil to internal combustion engine of motor vehicle, has control/regulating device controlling/regulating lubricant pressure of lubricant pump based on vehicle transversal acceleration |
| 12/03/2009 | DE102008026028A1 Kompressorsystem und Verfahren zum Betreiben eines Kompressorsystems A compressor system and method of operating a compressor system |
| 12/03/2009 | DE102008025346A1 Regulating oil pump for lubricating internal combustion engine, has control piston comprising circular arc shaped axial recess, and bypass nut radially running towards control piston and disconnected in region of continuous edge of recess |
| 12/03/2009 | DE102008002017A1 Method for operating compressor coupling for compressor in vehicle for manufacturing and waiving drive connection of compressor with drive, involves providing drive unit of vehicle in startup phase |
| 12/02/2009 | EP2128445A2 Method and apparatus for verifying a leak in connection with a flow inhibitor |
| 12/02/2009 | EP2128444A1 Electric compressor |
| 12/02/2009 | EP2128443A1 Pump element |
| 12/02/2009 | EP2126359A1 Variable torque transmitter |
| 12/02/2009 | CN201354834Y Deceleration/variable speed device |
| 12/02/2009 | CN201354719Y Large flow high pressure air pump for vehicles |
| 12/02/2009 | CN101594977A Electro-hydraulic control arrangement |
| 12/02/2009 | CN101592546A Method and apparatus for verifying a leak in connection with a flow inhibitor |
| 12/02/2009 | CN100565415C Fluid circulation pump for heating and conditioning systems and the like |
| 12/02/2009 | CN100565050C Refrigeration system control system for refrigeration system |
| 12/02/2009 | CN100564876C Pump off control method for oil pump and oil pump control device |
| 12/02/2009 | CN100564874C Displacement control valve for clutchless type variable displacement compressor |
| 12/02/2009 | CN100564808C Unload valve of compressor |
| 12/01/2009 | US7625190 Crossover switching valve |
| 12/01/2009 | US7625188 Heart booster pump |
| 12/01/2009 | US7625187 Submersible pump with integrated liquid level sensing and control system |
| 12/01/2009 | CA2501825C Fluid delivery device, system and method |
| 11/26/2009 | WO2009142264A1 Electric pump device |
| 11/26/2009 | US20090290991 Controller for a motor and a method of controlling the motor |
| 11/26/2009 | US20090290990 Controller for a motor and a method of controlling the motor |
| 11/26/2009 | US20090290989 Controller for a motor and a method of controlling the motor |
| 11/26/2009 | US20090288849 Air compressor and method for controlling the same |
| 11/26/2009 | US20090288633 Dynamic Engine Oil Pickup System |
| 11/26/2009 | US20090288407 Controller for a motor and a method of controlling the motor |
| 11/26/2009 | DE102009021323A1 Elektrohydraulisches Reglersystem Electro-hydraulic regulating system |
| 11/26/2009 | DE102009014042A1 Kältemittelkreislaufsystem Refrigerant circulatory system |
| 11/25/2009 | EP2122172A2 Speed control |
| 11/25/2009 | EP2122171A2 Flow control |
| 11/25/2009 | EP2121280A1 Electro-hydraulic control arrangement |
| 11/25/2009 | CN101586551A Self-powered air relief device |
| 11/24/2009 | US7623986 System and method for power pump performance monitoring and analysis |
| 11/24/2009 | US7621721 Vacuum pumping device with electronic control of the motor |
| 11/24/2009 | CA2402330C Chemical metering pump |
| 11/19/2009 | WO2009139201A1 Speed control apparatus for cooling sea-water transfer pump |
| 11/19/2009 | WO2009118555A3 Sensor arrangement |
| 11/19/2009 | US20090287357 System and Method of Constant Pressure, Variable Speed Pump Control with Local Equalization for Dissimilar Pumps |
| 11/19/2009 | US20090285710 Compressor Unloading Valve |
| 11/19/2009 | US20090285696 Compressed Air Supply System for a Utility Vehicle |
| 11/19/2009 | US20090283457 Waste water management system and method |
| 11/19/2009 | DE102008024062A1 Method for compressed air supply of printing press, involves providing bypass between central supply line and controllable valve of compressed air load |
| 11/18/2009 | EP2119914A1 Inverter compressor operation method and compressor drive device |
| 11/18/2009 | EP2119836A1 Traveling hydraulic working machine |
| 11/18/2009 | EP2118487A1 Compressor having a dual slide valve assembly |
| 11/18/2009 | CN201347852Y Three-air compressor interlock actuating PLC control device |
| 11/18/2009 | CN201347845Y Solar diving pump |
| 11/18/2009 | CN201347738Y Oil pumping state converting and enhancing device |
| 11/18/2009 | CN101584110A Method and system for controlling the operation of a pump |
| 11/18/2009 | CN100560993C A device for controlling hydraulic power units |
| 11/18/2009 | CN100560992C A device for controlling a hydraulically driven motor |
| 11/18/2009 | CN100560975C Swash drive |
| 11/12/2009 | WO2009065537A3 Hydraulic manifold pump |
| 11/12/2009 | US20090280014 Controller for a motor and a method of controlling the motor |
| 11/11/2009 | EP2117101A1 Integrated electric compressor |
| 11/11/2009 | EP1880110B1 Shower waste pump control |
| 11/11/2009 | CN201344111Y Working condition control device of auto air compressor |
| 11/11/2009 | CN201343744Y Automatic-boost tap water saver |
| 11/11/2009 | CN101576071A Linear compressor and linear vibrating motor used by same |
| 11/11/2009 | CN101576069A Arrangement for dispensing color paste, apparatus and method |
| 11/11/2009 | CN100559028C Rapidly pumping out an enclosure while limiting energy consumption |
| 11/10/2009 | US7614854 Multichamber tank for motor vehicles |
| 11/05/2009 | WO2009133724A1 Micropump device |
| 11/05/2009 | WO2009133705A1 Liquid conveying pump |
| 11/05/2009 | WO2009133703A1 Mechanism for detecting erroneous mounting of tube of liquid conveying pump |
| 11/05/2009 | WO2009133058A1 Method for controlling the position of an electromechanical actuator for reciprocating compressor valves |
| 11/05/2009 | WO2009132932A1 A compressor with improved refrigerant flow performance |
| 11/05/2009 | US20090274566 Check valve with plastic lip seal |
| 11/05/2009 | US20090274563 Methods and systems for automatic rotation direction determination of electronically commutated motor |
| 11/05/2009 | US20090274493 Air discharging apparatus and image forming apparatus |
| 11/05/2009 | US20090272548 Water pump assembly |
| 11/05/2009 | DE102008021393A1 Hydrostatische-Pumpe Hydrostatic pump |
| 11/05/2009 | CA2723138A1 Manually-actuated reduced pressure treatment system having regulated pressure capabilities |
| 11/05/2009 | CA2716203A1 Infusion pump |
| 11/05/2009 | CA2716201A1 Tubing misload detection mechanism for an infusion pump |
| 11/04/2009 | EP2113666A2 Hydraulic fluid supply device and electrical actuator |
| 11/03/2009 | US7611336 Pump and engageable structure of operation rod thereof |
| 11/03/2009 | US7611334 Pump with variant strokes |
| 11/03/2009 | US7611332 Device and method for controlling a thick matter pump |
| 11/03/2009 | US7611331 Device and method for controlling a two cylinder thick matter pump |
| 10/29/2009 | US20090270805 Test Method and Apparatus for Verification of Medical Device Functionality |
| 10/29/2009 | US20090269215 "Hydrostatic Pump" |
| 10/29/2009 | US20090269214 Hydrostatic Pump With A Mechanical Displacement Volume Control |
| 10/29/2009 | US20090269213 Method of controlling a hydraulic system |
| 10/29/2009 | US20090269211 Control system and control method for electric water pump |
| 10/29/2009 | US20090266934 Hydraulic fluid supply device and electric actuator |
| 10/29/2009 | US20090266426 Hot water system |
| 10/29/2009 | DE102008020596A1 Hydrostatische Pumpe mit einer mechanischen Fördervolumenverstellung Hydrostatic pump with a mechanical displacement control |
| 10/28/2009 | EP2112279A1 Pump torque control device for hydraulic construction machine |
| 10/28/2009 | CN101568692A Pump torque control device for hydraulic construction machine |