| 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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| 03/21/2007 | EP1763637A1 Arrangement and method for a compressed air system |
| 03/21/2007 | EP1763620A1 Compressor unloading valve |
| 03/21/2007 | EP1763314A1 Rinsing device and method for the operation thereof |
| 03/21/2007 | EP1644640B1 Method for controlling operation of a compressor |
| 03/21/2007 | EP1583909B1 A linear-compressor control system a method of controlling a linear compressor a linear compressor and cooling system |
| 03/21/2007 | EP1554514B1 Check valve |
| 03/21/2007 | EP1147313B1 Valve system for controlling the fuel intake pressure in a high-pressure pump |
| 03/21/2007 | CN2881158Y Vertical beam-pumping unit |
| 03/21/2007 | CN1931670A Variable-frequency method for controlling powder escape amount during vacuum nitrogen filling |
| 03/21/2007 | CN1306169C Screw compressor and its running method |
| 03/21/2007 | CN1306166C Driving devices of linear compressors |
| 03/15/2007 | WO2007029646A1 Controller for air conditioner |
| 03/15/2007 | WO2007010170A3 Fast energy-saving chamber pumping |
| 03/15/2007 | WO2007010170A2 Fast energy-saving chamber pumping |
| 03/15/2007 | US20070059184 Flow optical analysis for peristaltic and other rotary pumps |
| 03/15/2007 | US20070059183 Control valve for clutch type variable displacement compressor |
| 03/15/2007 | DE102006033438A1 Pumpvorrichtung Pumping device |
| 03/14/2007 | EP0904468B2 Rotary mechanism control system with bilateral braking |
| 03/14/2007 | CN2878727Y Air compressor with digital pressure display adjustor |
| 03/14/2007 | CN2878726Y 智能式医用无油空压机控制电路 Intelligent Medical oil-free compressor control circuit |
| 03/14/2007 | CN1929286A Method for controlling supply of current and static capacitance to compressor |
| 03/14/2007 | CN1928363A Design scheme for gap-free piston reciprocating compressor |
| 03/13/2007 | US7189320 Pump, pump for liquid chromatography, and liquid chromatography apparatus |
| 03/13/2007 | US7189066 Light gas vacuum pumping system |
| 03/13/2007 | CA2428500C Micropump with heating elements for a pulsed operation |
| 03/08/2007 | WO2007025357A1 Installation for high pressure compression with several stages |
| 03/08/2007 | WO2007011534A3 Method and apparatus for maximizing liquid aspiration from small vessels |
| 03/08/2007 | WO2006023310A3 Positive displacement pump |
| 03/08/2007 | DE10392799B4 Steuerung für einen verstellbaren Kompressor Control for a variable displacement compressor |
| 03/08/2007 | DE102005039772A1 Magnetdosierpumpe Solenoid |
| 03/07/2007 | EP1354168A4 System and method of pressure distribution and pressure regulation for heating and air-conditioning units, and a very high-rise building utilizing the same |
| 03/07/2007 | CN2876377Y Sliding type stroke regulation mechanism of oil pumping machine |
| 03/07/2007 | CN2876376Y Interlocking type oil well pump auxiliary brake |
| 03/07/2007 | CN2876375Y Pumping assist protective device of oil pump |
| 03/07/2007 | CN2876374Y Intelligent multi-power energy saving actuator |
| 03/07/2007 | CN1926337A Variable capacity oil pump |
| 03/07/2007 | CN1924357A Pressure startup device for air compressor |
| 03/07/2007 | CN1303377C Air conditioner |
| 03/07/2007 | CN1303326C Apparatus for assembling swash plate with pistons in a swash plate compressor |
| 03/06/2007 | US7188008 System for controlling the operation of at least one aircraft engine |
| 03/06/2007 | US7186094 Method and apparatus for measuring work performed by a compressor |
| 03/06/2007 | US7185577 Tandem pump unit |
| 03/06/2007 | US7185528 Speed and fluid flow controller |
| 03/01/2007 | WO2007023075A1 Pump or compressor unit |
| 03/01/2007 | WO2007022829A1 Pump, especially motor/pump unit for a power-assisted steering system of a motor vehicle |
| 03/01/2007 | WO2006025618A3 Linear compressor controlling apparatus and its controlling method |
| 03/01/2007 | WO2006023935A3 Motor driven pump with improved motor cooling air flow |
| 03/01/2007 | WO2005103488A3 Device for controlling parasitic losses in a fluid pump |
| 03/01/2007 | US20070048147 Dry operating screw-type compressor with pneumatically controlled air relief valve |
| 03/01/2007 | US20070048145 Vacuum evacuation device and method, and substrate processing apparatus and method |
| 02/28/2007 | EP1757810A1 Method for correcting tilt control signal, tilt controller, construction machine, and program for correcting tilt control signal |
| 02/28/2007 | EP1649166B1 Integration of automated cryopump safety purge |
| 02/28/2007 | EP1436508B1 Electronic control system and process for electromagnetic pump |
| 02/28/2007 | EP1283361B1 Control valve for variable displacement compressor |
| 02/28/2007 | CN2874066Y Oil pump brake device |
| 02/28/2007 | CN1920305A Compressor |
| 02/28/2007 | CN1302206C Device for preventing vaccum in vortex compressor |
| 02/28/2007 | CN1302205C Differential pressure type low pressure holding gun closing arresting arrangement |
| 02/27/2007 | US7182582 Centrifugal pump with reverse rotation protection integrated on the impeller blade |
| 02/22/2007 | US20070041845 Motor-driven metering pump |
| 02/22/2007 | US20070041844 Monitoring System for Dispensing Service Fluids |
| 02/22/2007 | DE102005039237A1 Motordosierpumpe Motor-driven metering |
| 02/22/2007 | DE102005037619A1 Regelventileinheit mit Wechselanschlag Control valve unit with interchangeable stopper |
| 02/21/2007 | EP1754891A2 Dosing pump |
| 02/21/2007 | EP1753956A1 Axial piston compressor, especially for an air-conditioning installation of a motor vehicle |
| 02/21/2007 | CN2871916Y Pressure adjuster of air compressor |
| 02/21/2007 | CN2871915Y Automatic constant-power controller of concrete transferring pump |
| 02/21/2007 | CN2871913Y Hole top unit of screw oil-pum |
| 02/21/2007 | CN1918377A Hydraulic construction machine control device |
| 02/21/2007 | CN1916413A Energy saving system of networked measuring and controlling pumping units |
| 02/21/2007 | CN1916412A Composite hydraulic energy saving control system |
| 02/21/2007 | CN1301343C Vacuum exhaust system and monitoring and controlling method thereof |
| 02/20/2007 | US7179061 Multi-layer compressor housing and method of manufacture |
| 02/20/2007 | US7179060 Variable discharge pump with two pumping plungers and shared shuttle member |
| 02/20/2007 | US7178742 Fluid delivery system for spray applicator |
| 02/15/2007 | WO2007017251A1 Regulator device for a hydrostatic piston machine with electronic control unit |
| 02/15/2007 | WO2007017197A1 Control valve unit with alternating stops |
| 02/15/2007 | WO2007016943A1 Fluid engine or pump and method of operating an installation comprising a fluid engine or pump |
| 02/15/2007 | WO2006039719A3 Subsea fluid delivery system and method |
| 02/15/2007 | WO2006023553A3 Engine-powered air compressor |
| 02/15/2007 | US20070036661 Capacity modulated scroll compressor |
| 02/15/2007 | DE102005037620A1 Regelvorrichtung für eine hydrostatische Kolbenmaschine mit elektronischer Steuereinheit Control device for a hydrostatic piston engine with electronic control unit |
| 02/15/2007 | DE102005022661A1 Fluid pump e.g. fuel-high pressure pump, for use in fuel system of internal combustion engine, has volume control valve that includes valve mechanism arranged parallel to another valve mechanism in fluidic manner |
| 02/15/2007 | DE102004026571B4 Pumpenantriebsmotorsteuerungsvorrichtung Pump drive motor control apparatus |
| 02/14/2007 | EP1751430A2 Fixed and variable compressor system capacity control |
| 02/14/2007 | EP1636494B1 A proximity-sensor support, a compressor, a valve plate and a cooler |
| 02/14/2007 | EP1629201B1 A sensor assembly, a fluid pump and a cooler |
| 02/14/2007 | EP1618303B1 System for adjusting resonance frequencies in a linear compressor |
| 02/14/2007 | CN2869383Y Automobile air-conditioning variable displacement compressor control valve |
| 02/14/2007 | CN1914420A A pumping system |
| 02/14/2007 | CN1914418A Hydraulic motor/pump |
| 02/14/2007 | CN1912391A Control device for electric compressor used in vehicular air conditioner |
| 02/14/2007 | CN1300471C Hydraulic driving unit for working machine, and method of hydraulic drive |
| 02/14/2007 | CN1300460C Dual capacity compressor |
| 02/13/2007 | US7177742 Vehicular air-conditioner and method of controlling the same |
| 02/13/2007 | US7175401 Variable capacity rotary compressor |
| 02/13/2007 | US7175397 Effervescent gas bleeder apparatus |
| 02/13/2007 | US7175394 Hydraulic multiphase pump |
| 02/13/2007 | US7174733 Vehicular air-conditioner |
| 02/13/2007 | CA2275756C Dosing pump and method for enhancing dosing precision |