| 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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| 01/08/2009 | US20090009967 Fan unit and electronic apparatus and method of controlling the same |
| 01/08/2009 | US20090007574 Integration of Automated Cryopump Safety Purge |
| 01/08/2009 | DE102007030991A1 Pump device e.g. fire brigade pump, operating method for fire fighting unit, involves operating internal combustion engine such that moment indicated by reference-moment-information is provided |
| 01/08/2009 | DE102007030833A1 Valve-controlled hydraulic machine i.e. hydraulic pump, for use as e.g. axial-piston motor, has passive displacement unit assigned to actively controllable displacement unit and includes suction and pressure valves |
| 01/08/2009 | DE102007030831A1 Ventilgesteuerte Hydromaschine Valve-controlled hydraulic machine |
| 01/08/2009 | DE102007030749A1 Valve-controlled hydraulic pump has multiple pistons and suction valve prestressed by closure spring and connected with suction pipe, where servo unit is provided for adjustment of prestressing of closure spring |
| 01/08/2009 | DE102007029967A1 High-pressure fuel pump arrangement for operating self-igniting internal-combustion engine, has low pressure and high pressure circuitry connected and cylinder head integrated in internal-combustion engine |
| 01/07/2009 | EP2011997A1 Control method for an overpressure valve in a commonrail fuel supply system |
| 01/07/2009 | CN201177748Y Proportional amplifier for composite control of variable displacement pump |
| 01/07/2009 | CN201176924Y Three phase linear motor drive oil-submersible pump automatic control device for oil extraction |
| 01/07/2009 | CN201176923Y LCD numerical control pressure testing machine |
| 01/07/2009 | CN201176918Y Portable oil-free compressor improvement structure |
| 01/02/2009 | DE10257447B4 Verdrängungssteuerungsvorrichtung zum Steuern einer Ausstoßmenge eines Kühlmittels Displacement control apparatus for controlling a discharge amount of a coolant |
| 01/02/2009 | DE102008026759A1 Ölpumpensysteme und Verfahren zum Verhindern einer Drehmomentüberlastung in Motoren von Ölpumpensystemen Oil pumping systems and methods for preventing a torque overload in engines oil pump systems |
| 01/01/2009 | US20090004027 Ventilation of an Operating Element |
| 01/01/2009 | US20090004026 Apparatus and Method for Controlling Operation of Linear Compressor |
| 01/01/2009 | US20090004025 Variable Displacement Compressor |
| 01/01/2009 | US20090004024 Multi-channel controller |
| 12/31/2008 | WO2009001865A1 Variable displacement compressor and displacement control system |
| 12/31/2008 | WO2009000895A2 Fluid circulation pump with integrated short circuit |
| 12/31/2008 | WO2009000047A1 Fluid processing system |
| 12/31/2008 | WO2008095205A3 Multi index with stroke selector pump |
| 12/31/2008 | EP2008162A1 Centrifugal pump unit with switching device |
| 12/31/2008 | CN201173191Y Electric compressor protector |
| 12/31/2008 | CN201173183Y Improved pneumatic double diaphragm pump structure |
| 12/31/2008 | CN201173178Y Sea water pump steady flow regulating device |
| 12/31/2008 | CN201173177Y Swash plate type multi- piston vehicular air-conditioner compressor |
| 12/31/2008 | CN101334014A Plunger type quantitative hydraulic motor electro-hydraulic switch torque-changing oil dispensing subassembly |
| 12/31/2008 | CN101334013A Electro-hydraulic switch torque-changing oil-dispensing type rotating cylinder barrel type quantitative plunger piston hydraulic motor |
| 12/31/2008 | CN100447412C Fluid power machine |
| 12/31/2008 | CA2691741A1 Base with inflating mechanism for dispensing machine for deflated balls |
| 12/25/2008 | US20080317607 Smart blow-down system for variable frequency drive compressor units |
| 12/25/2008 | US20080317604 Pump loss-of prime automatic shut off valve |
| 12/24/2008 | EP2006544A2 Piston pump with variable eccentricity |
| 12/24/2008 | DE102007029326A1 Combined water pump system, has housing, in which low pressure pumping unit is arranged, where low pressure drain of low pressure pump system coupled with low pressure supply of high-pressure pump system |
| 12/24/2008 | DE102007021759A1 Method for identifying fuel dosing pump of vehicle heater, involves applying operating voltage by drive unit, where electric current flowing through coil arrangement is determined during generation of operating voltage |
| 12/24/2008 | CN201170183Y Rotary speed controlling mechanism of powder grain material transport vehicle air compressor |
| 12/24/2008 | CN201170171Y Anti-scaling oil well pump |
| 12/24/2008 | CN201170170Y Oil pumping machine spring type brake safety pin |
| 12/24/2008 | CN201170169Y Oil pumping machine brake safety pin control device |
| 12/24/2008 | CN201170168Y Air compressor pressure regulating device with manual pressure relief switch |
| 12/24/2008 | CN201170167Y Anti-wear apparatus of oil pump |
| 12/24/2008 | CN201170166Y Novel pressure regulating device of air compressor |
| 12/24/2008 | CN101328884A Web-less valve plate for hydraulic pressure unit |
| 12/24/2008 | CN101328871A 活塞泵 Piston Pump |
| 12/24/2008 | CN100445561C Helical-lobe compressor for refrigerating plant |
| 12/24/2008 | CN100445560C A proximity-sensor support, a compressor, a valve plate and a cooler |
| 12/24/2008 | CN100445559C Sludge pump and its operation method |
| 12/23/2008 | US7468588 Apparatus and method for controlling operation of reciprocating compressor |
| 12/23/2008 | US7467927 Pumping arrangement |
| 12/23/2008 | CA2488851C Multi-directional pump |
| 12/18/2008 | WO2008152235A2 Household apparatus for storing bottles, notably bottles of wine that have been opened and/or partially consumed |
| 12/18/2008 | WO2008125267A8 High-pressure cleaning device |
| 12/18/2008 | WO2008111976A3 Compressor reverse rotation of variable duration on start up |
| 12/18/2008 | US20080311453 Fuel cell system and fuel cell vehicle |
| 12/18/2008 | US20080310972 Integrated hydrostatic transmission assembly |
| 12/18/2008 | US20080310968 Waste Water Lifting System |
| 12/18/2008 | US20080310967 Intelligent air moving apparatus |
| 12/18/2008 | US20080310966 Scroll type booster |
| 12/18/2008 | DE102008023538A1 Drehmomentschätzvorrichtung eines Kompressors Torque estimator of a compressor |
| 12/18/2008 | DE102007026518A1 Compressor system, has compressor drive with speed controller feeding ventilator drive for speed control in partial load operation compressor drive, and radiator provided with ventilator |
| 12/17/2008 | EP2003407A2 Air conditioner |
| 12/17/2008 | EP1345663B1 Method for regulating a compressor installation with a dryer and compressor installation used therewith |
| 12/17/2008 | EP1295037B1 Vane-cell pump |
| 12/17/2008 | CN201166021Y Pump control type electrohydraulic actuator |
| 12/17/2008 | CN201165965Y Pressure automatic control device of air compressor |
| 12/17/2008 | CN201165964Y Hydraulic pump, oil pumping unit, oil pumping module and oil pumping system |
| 12/17/2008 | CN201165962Y Portable low noise air compressor |
| 12/17/2008 | CN201165956Y Constant-pressure air suction pump |
| 12/17/2008 | CN201165953Y Plunger piston oil pump double control system for testing winch capstan closed type hydraulic system variable |
| 12/17/2008 | CN201165951Y Corrosion resistance electromagnetical liquor pump raising apparatus |
| 12/17/2008 | CN201165949Y Double-piston hydropower pressure regulating pump |
| 12/17/2008 | CN101324229A Downhole automatic control hydraulic oil pumping machine |
| 12/17/2008 | CN101324227A High-frequency tetrad composite hydraulic pumps and control method thereof |
| 12/17/2008 | CN100443830C Air-conditioner, outdoor unit and refrigeration unit |
| 12/17/2008 | CN100443741C Engine lag down suppressing device of construction machinery |
| 12/16/2008 | US7466098 Method for controlling operation of compressor and apparatus thereof |
| 12/11/2008 | WO2008149721A1 Electric compressor control device |
| 12/11/2008 | WO2008149673A1 Start-up control device and method for electric scroll compressor |
| 12/11/2008 | WO2008149541A1 Fluid pressure unit |
| 12/11/2008 | WO2008124024A3 Power machine or vehicle with power management |
| 12/11/2008 | US20080304976 Temperature management for electric motor driven pump |
| 12/11/2008 | US20080302236 Variable Displacement Compressor |
| 12/11/2008 | US20080302111 Apparatus And Method For Pumping A Cryogenic Fluid From A Storage Vessel And Diagnosing Cryogenic Pump Performance |
| 12/11/2008 | US20080302109 Apparatus And Method For Pumping A Fluid From A Storage Vessel And Detecting When The Storage Vessel Is Empty |
| 12/10/2008 | EP2000720A2 Control valve and control valve for variable displacement compressor using the control valve |
| 12/10/2008 | EP1999372A1 Transfer pump for high-pressure petrol injection |
| 12/10/2008 | EP1999371A2 Pump system with calibration curve |
| 12/10/2008 | CN201162663Y Pressure regulating type voltage regulation membrane pump |
| 12/10/2008 | CN201162662Y Brake stopping clip of oil pumping machine |
| 12/10/2008 | CN201162661Y Multi-mode control apparatus for electrically controlling hydraulic oil pump by hydraulic winch |
| 12/10/2008 | CN201162639Y Power source and air compressor adopting the same |
| 12/10/2008 | CN101319669A High/low pressure inflating pump |
| 12/10/2008 | CN100442187C Device for changing delivered fluid pressure of spray scrubber |
| 12/10/2008 | CN100441869C Apparatus and method for controlling operation of compressor |
| 12/10/2008 | CN100441868C Apparatus and method for controlling operation of compressor |
| 12/10/2008 | CN100441867C Apparatus and method for controlling operation of compressor |
| 12/10/2008 | CN100441866C Pump driving method and device therefor |
| 12/10/2008 | CN100441863C Two-stage pressure relief valve |
| 12/10/2008 | CN100441786C Hydraulic control device for working machine |