| Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590) |
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| 02/18/2009 | EP2024643A1 Inclined rib ported shroud compressor housing |
| 02/18/2009 | EP2024618A1 Turbocompressor for an internal combustion engine |
| 02/18/2009 | EP2024606A1 Annular flow duct for a turbomachine through which a main flow can flow in the axial direction |
| 02/18/2009 | CN100462569C Blower unit |
| 02/12/2009 | WO2009020418A1 A surge control method |
| 02/12/2009 | WO2009020415A1 A turbo charger control method |
| 02/12/2009 | US20090041576 Fluid flow machine featuring an annulus duct wall recess |
| 02/11/2009 | CN201193618Y Intelligent thermostatic control energy-conserving blower fan device |
| 02/11/2009 | CN101364640A Acid charging evacuating device of accumulator and control system |
| 02/11/2009 | CN101363446A Power-saving device of blower fan water pump |
| 02/05/2009 | WO2009018532A1 Compressor tip gap flow control using plasma actuators |
| 02/05/2009 | WO2009016145A1 Method for detecting a rotating stall fault in a compressor fed by an inverter |
| 02/05/2009 | US20090035122 Centrifugal compressor, impeller and operating method of the same |
| 02/05/2009 | DE102007035712A1 Verfahren zum Erkennen eines Störfalles "Rotating Stall" bei einem umrichtergespeisten Verdichter A method for detecting a fault "rotating stall" at a converter-compressor |
| 02/05/2009 | CA2695018A1 Closed-loop control for a gas turbine with actively stabilized compressor |
| 02/04/2009 | EP2019924A2 Flow-control technique to vector bulk flow leaving a vane |
| 02/04/2009 | CN201190675Y Socket connector constructional device in foot pedal floor fan |
| 02/04/2009 | CN101358606A Adjusting device for variable crank of electric fan |
| 02/04/2009 | CN101358604A Fan and sensing control module thereof |
| 02/04/2009 | CN100458174C Fan |
| 02/04/2009 | CN100458170C Apparatus for controlling operating efficiency of water pump fan of control speed regulator |
| 01/29/2009 | DE102007035373A1 Laufzeitverhalten eines Ventilators für einen aktiven Klimasitz Runtime behavior of a fan for an active climate seat |
| 01/28/2009 | EP1745196B1 Method for the observation of a compressor using a Bragg Sensor and his regulation system |
| 01/28/2009 | CN201187466Y Heat radiation fan switch device and corresponding heat radiation fan apparatus |
| 01/28/2009 | CN201187464Y Ventilating fan for preventing carbon monoxide poisoning |
| 01/28/2009 | CN201187463Y Intelligent fan controller |
| 01/28/2009 | CN101354047A Fan system |
| 01/27/2009 | US7483270 Fan speed control system |
| 01/22/2009 | WO2009011241A1 Gas compression device and method of controlling gas compression device |
| 01/21/2009 | EP2017481A2 Ventilation group for flow reversal |
| 01/21/2009 | CN201184306Y Energy-saving controller of aerating device |
| 01/21/2009 | CN201184305Y Intelligent ventilating machine |
| 01/21/2009 | CN101351648A Cooling fan module for a motor vehicle |
| 01/20/2009 | CA2430448C Process gas extraction device for an axial compressor, having a high degree of adaptability to changes in the operating characteristics of the compressor |
| 01/15/2009 | WO2009007393A1 Impeller arrangement and method of condition detection in an impeller arrangement |
| 01/15/2009 | US20090013689 Compressor for an internal combustion engine |
| 01/14/2009 | EP2014924A1 Impeller arrangement and method of condition detection in an impeller arrangement |
| 01/14/2009 | EP2014923A2 Fan array section in air-handling systems |
| 01/14/2009 | EP1224397B1 Electric ventilator |
| 01/14/2009 | CN201180673Y Bidirectional reflux pump |
| 01/14/2009 | CN201180660Y Frequency conversion oil-submersible pump |
| 01/14/2009 | CN201180659Y Frequency conversion oil-submersible pump |
| 01/14/2009 | CN201180658Y Rotation speed control component of blowing machine |
| 01/13/2009 | US7476075 Rotary pump |
| 01/13/2009 | US7475539 Inclined rib ported shroud compressor housing |
| 01/13/2009 | CA2380779C Discharge system for simplified control turbojet or turboprop engine |
| 01/08/2009 | WO2009003653A1 Exhaust gas turbocharger |
| 01/08/2009 | CA2691922A1 Measuring pressure |
| 01/07/2009 | EP2010777A1 Control apparatus and control method for internal combustion engine having centrifugal compressor |
| 01/07/2009 | EP1444428B1 Method and system for preventing surge events in a gas turbine engine |
| 01/07/2009 | EP0939228B1 Drive controller for motor-driven high-speed rotating body and method for discriminating type of machine used therefor |
| 01/07/2009 | CN201176950Y Electric tool fan motor structure |
| 01/07/2009 | CN201176947Y Inducing air exchanging fan |
| 01/07/2009 | CN201176943Y Built-in pneumatic and air exhaust pump |
| 01/07/2009 | CN201176483Y Negative-pressure control device for compact spinning negative-pressure system |
| 01/07/2009 | CN101341336A Apparatus for detecting a flammable atmosphere within a compressor, in particular avacum pump |
| 01/07/2009 | CN101341322A Control apparatus and control method for internal combustion engine having centrifugal compressor |
| 01/01/2009 | US20090004032 Deswirl mechanisms and roller bearings in an axial thrust equalization mechanism for liquid cryogenic turbomachinery |
| 12/31/2008 | WO2009000481A1 Fan having a printed circuit board |
| 12/31/2008 | CN201173205Y Electric fan control device |
| 12/31/2008 | CN201173178Y Sea water pump steady flow regulating device |
| 12/31/2008 | CN101334677A Machine frame equipment temperature control system and temperature control method |
| 12/31/2008 | CN101334673A Computer fan control circuit and control method |
| 12/31/2008 | CN100447387C Fatigue failure diagnostic method of turbocharger and fatigue failure diagnostic apparatus for turbocharger |
| 12/24/2008 | WO2008155402A1 Position control for a prerotation guide device |
| 12/24/2008 | EP2006495A1 Positioning adjustment for a pre-twist guide device |
| 12/24/2008 | DE19918907B4 Schaltvorrichtung Switching device |
| 12/24/2008 | DE102007039764B3 Ventilator for respiration device, has control unit connected to three stator coils, and has switch unit connected in series, where partial switches of each switch unit is provided for activating stator coil |
| 12/24/2008 | CN201170865Y Control circuit for computer fan |
| 12/24/2008 | CN100446402C Circuit for starting DC fan |
| 12/18/2008 | WO2008151905A1 Magnetized nut for fastening a compressor wheel of an exhaust turbocharger to the turbo shaft, and method for the production thereof |
| 12/17/2008 | EP2003342A2 Method for operating an assembly with vacuum pump and assembly with a vacuum pump |
| 12/17/2008 | CN201165995Y Wind direction adjustable type top fan controlled by synchronous electric machine |
| 12/17/2008 | CN201165994Y Energy-saving health fan |
| 12/17/2008 | CN201165993Y Structure of miniature fan easy to start up |
| 12/17/2008 | CN201165989Y Fan and plate clip |
| 12/17/2008 | CN101324242A High-pressure centrifugal blower |
| 12/17/2008 | CN100444072C Fan controlling equipment and method |
| 12/16/2008 | US7465146 Methods and systems for turbine rotor balancing |
| 12/11/2008 | WO2008105921A3 Anti-bogdown control system for turbine/compressor systems |
| 12/10/2008 | EP2000649A2 Jet engine with compressor air circulation and method for operating the same |
| 12/10/2008 | EP1999354A1 Method of operating a gas turbine power plant |
| 12/10/2008 | CN201162695Y Multifunctional timing valve blower |
| 12/10/2008 | CN101317720A Air inflation apparatus |
| 12/10/2008 | CN100442649C Fan driving circuit having positive output-to-load characteristic |
| 12/10/2008 | CN100441866C Pump driving method and device therefor |
| 12/04/2008 | WO2008000459A8 Device and method for performing a functional test on a control element of a turbo engine |
| 12/04/2008 | US20080298953 Wastegate assembly |
| 12/03/2008 | EP1998025A1 Compressor with air re-injection |
| 12/03/2008 | EP1996816A2 Multi-stage compressor, air-separating apparatus comprising such a compressor, and installation |
| 12/03/2008 | CN101316086A Control circuit of fan system and motor |
| 12/03/2008 | CN100439707C A pumping system |
| 12/02/2008 | CA2447604C Smart surge bleed valve system and method |
| 11/27/2008 | WO2008144250A2 Pump with automatic deactivation mechanism |
| 11/27/2008 | WO2008143231A1 Fan control system and air conditioner having the same |
| 11/27/2008 | US20080292469 Centrifugal air compressor |
| 11/26/2008 | EP1994457A2 Method and apparatus for improved operation of an abatement system |
| 11/26/2008 | CN201155474Y Fan temperature control speed governing module |
| 11/26/2008 | CN201155473Y Energy-saving -type ventilation fan |
| 11/26/2008 | CN101313154A Cooling fan module for a motor vehicle |