| 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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| 09/21/2005 | CN2727462Y Automatic controlled combined gas sealing system |
| 09/21/2005 | CN1671969A Mix-in structure for gas or the like in pressurization centrifugal pump |
| 09/21/2005 | CN1671967A Stability control system and method for centrifugal compressors operating in parallel |
| 09/21/2005 | CN1219982C Turbine compressor |
| 09/20/2005 | US6946809 Motor driving system |
| 09/20/2005 | US6945748 Centrifugal compressor with channel ring defined inlet recirculation channel |
| 09/20/2005 | US6945030 Gas turbine control system |
| 09/15/2005 | WO2005085637A1 Cryogenic fluid pumping system |
| 09/15/2005 | WO2005085622A1 Exhaust-gas turbocharger for internal combustion engine |
| 09/15/2005 | US20050201882 Vacuum pumping system |
| 09/15/2005 | DE10007669B4 Verfahren zur Regelung eines Verdichters, insbesondere eines Verdichters im Ansaugtrakt einer Brennkraftmaschine Method for controlling a compressor, in particular a compressor in the induction tract of an internal combustion engine |
| 09/15/2005 | CA2557948A1 Cryogenic fluid pumping system |
| 09/14/2005 | EP1573206A1 Vacuum pumping arrangement and method of operating same |
| 09/14/2005 | EP1573205A1 Vacuum pumping system and method of operating a vacuum pumping arrangement |
| 09/13/2005 | US6944572 Apparatus for predicting life of rotary machine and equipment using the same |
| 09/13/2005 | US6942458 Variable pitch fan |
| 09/08/2005 | US20050196284 Electronically controlled vacuum pump |
| 09/08/2005 | DE102004008716A1 Fan for conveying waste gas comprises a housing having an inlet channel and an outlet channel forming an inner chamber, a wheel arranged in the inner chamber, a motor connected to the housing, a resistance body in the housing, and a sensor |
| 09/07/2005 | EP1570181A1 Variable geometry diffuser mechanism |
| 09/07/2005 | CN2723771Y Swing angle regulator |
| 09/07/2005 | CN2723741Y Controller for fan operation mode |
| 09/06/2005 | US6940245 Downhole compressor system with a feedback sensor |
| 09/06/2005 | US6939110 Control system for I.C. engine driven blower |
| 08/31/2005 | EP1567795A1 Valve |
| 08/31/2005 | EP1567771A1 Fan |
| 08/31/2005 | CN2721927Y Pressure adjuster of electric pump |
| 08/30/2005 | US6935833 Recirculation structure for turbo chargers |
| 08/25/2005 | WO2005078287A1 Method for determining faults during the operation of a pump unit |
| 08/25/2005 | US20050186083 Mapping a plurality of sensors to respective zones in a fan control system |
| 08/25/2005 | US20050186071 Protection mechanism for flow inducing device |
| 08/25/2005 | US20050184692 Instantaneous fan stopping method and structure thereof |
| 08/25/2005 | DE202005009499U1 Ventilation system for aircraft has number of air ducts extending between air inlet and respective air outlets, with fan installed in each air duct by which direction and intensity of air flow is controllable |
| 08/24/2005 | EP1566531A1 Gas turbine with compressor casing protected against cooling and Method to operate a gas turbine |
| 08/24/2005 | EP1565693A2 Boiler |
| 08/24/2005 | CN2720168Y Two-way axial-flow ventilator vane |
| 08/24/2005 | CN2720166Y Device for reducing retation speed of electric fan |
| 08/24/2005 | CN1657787A Method and device for control speed of fan |
| 08/18/2005 | WO2005075827A1 A pumping system |
| 08/17/2005 | EP1564411A1 Method for detecting operation errors of a pump aggregate |
| 08/17/2005 | CN2718291Y Scavenger fan |
| 08/17/2005 | CN2718283Y Radiating fan with hand regulating rotating speed |
| 08/17/2005 | CN2718282Y Fan for air-cooling moulding of plastics |
| 08/16/2005 | US6929448 Blower assembly including exhaust restriction device |
| 08/11/2005 | WO2005073563A1 Electric fan |
| 08/11/2005 | US20050175449 Mix-in structure for gas or the like in pressurization centrifugal pump |
| 08/11/2005 | DE102004002447A1 Computer temperature regulator integrated circuit has first signal output, ventilator speed pin and second signal output oscillator pin |
| 08/10/2005 | EP1561007A1 Variable nozzle for turbocharger |
| 08/10/2005 | CN2716563Y Forward multi-wing centrifugal fan |
| 08/10/2005 | CN2716554Y Air charging and discharging device |
| 08/10/2005 | CN1651770A Intelligent spare fan control system |
| 08/09/2005 | US6927550 Device and method used to automatically compensate for synchronous disturbance |
| 08/09/2005 | US6926493 Turbo-molecular pump |
| 08/04/2005 | WO2005071231A2 Integrated adaptive capacity control for a steam turbine powered chiller unit |
| 08/04/2005 | DE102004010037A1 Exhaust gas turbocharger for internal combustion engine of motor vehicle, has exhaust gas turbines, and stabilizing cases arranged before inlets of respective superchargers to stabilize air flow of superchargers that is to be compressed |
| 08/04/2005 | CA2551824A1 Integrated adaptive capacity control for a steam turbine powered chiller unit |
| 08/03/2005 | CN2714855Y Speed control circuit of television fan |
| 08/03/2005 | CN2714854Y Bidirectional propeller fan |
| 08/03/2005 | CN1650105A Turbocompressor and its operation method |
| 08/03/2005 | CN1648680A Apparatus and method for detecting fault of cooling fan |
| 08/03/2005 | CN1648460A Fan capable of regulating blade angle |
| 08/03/2005 | CN1213233C Structure for preventing centrifugal compressor from reverse rotation |
| 07/28/2005 | WO2005068842A1 Recirculation port |
| 07/28/2005 | US20050163628 Electric drive assembly |
| 07/28/2005 | US20050163622 Vacuum pump control device and vacuum device |
| 07/28/2005 | US20050163619 Hollow fan blade for gas turbine engine |
| 07/28/2005 | US20050163615 Redundant fan system in a turbo cooler assembly |
| 07/28/2005 | US20050163606 Centrifugal compressor with channel ring defined inlet recirculation channel |
| 07/28/2005 | US20050160750 Automatic start/stop sequencing controls for a steam turbine powered chiller unit |
| 07/28/2005 | US20050160749 Enhanced manual start/stop sequencing controls for a steam turbine powered chiller unit |
| 07/28/2005 | US20050160748 Integrated adaptive capacity control for a steam turbine powered chiller unit |
| 07/27/2005 | EP1557568A2 Centrifugal compressor with inlet recirculation channel |
| 07/27/2005 | EP1557531A2 Hollow fan blade for gas turbine engine |
| 07/27/2005 | EP1556615A1 Method for operating a compressor in the region of the compressor pumping point, and compressor |
| 07/27/2005 | CN2713182Y Electronic temperature regulation fan |
| 07/27/2005 | CN1646790A Recirculation structure for turbo chargers |
| 07/27/2005 | CN1645285A Ventilator adjusting circuit with over-temperature signalizing for voltage supply device |
| 07/21/2005 | WO2005067130A1 Fan driving circuit having positive output-to-load characteristic |
| 07/21/2005 | DE202005006739U1 Electronic charcoal grill fan for stimulating of embers is fastened on grill, and fan motor is controlled by photo diode which automatically switches it on and off depending upon condition of embers |
| 07/21/2005 | DE10352252A1 Compressor, esp. for turbine group, pref. power stations has dispersion device with conical body in mouth section of blow-off channel, for dispersion of blow-off flow |
| 07/20/2005 | EP1555438A2 Method and apparatus for the prevention of critical process variable excursions in one or more turbomachines |
| 07/19/2005 | US6920442 Method for controlling operation of an electric fan |
| 07/14/2005 | WO2005064168A1 Vane system equipped with a guiding mechanism for centrifugal compressor |
| 07/14/2005 | US20050154479 Method and apparatus for the prevention of critical process variable excursions in one or more turbomachines |
| 07/14/2005 | DE102004059369A1 Motorturboladersteuermanagementsystem Engine turbocharger control management system |
| 07/13/2005 | EP1553306A1 Mix-in structure for gas or the like in pressurization centrifugal pump |
| 07/13/2005 | CN1210635C Process and device for flow control of electrical motor fan |
| 07/07/2005 | WO2005061896A2 Vacuum pump |
| 07/07/2005 | US20050147492 Gas turbine engine electromechanical variable inlet guide vane actuation system |
| 07/07/2005 | US20050144965 Turbo chiller, compressor therefor, and control method therefor |
| 07/06/2005 | EP1549855A1 Electrical charge air compressor provided with an integrated air cooling system |
| 07/06/2005 | CN2708010Y Fan control device |
| 06/30/2005 | US20050141997 Ceiling fan proximity safety apparatus |
| 06/30/2005 | US20050141990 Turbomachine wtih fluid supply |
| 06/30/2005 | DE10355917A1 Gasturbine, insbesondere Flugtriebwerk, und Verfahren zur Erzeugung elektrischer Energie bei einer Gasturbine Gas turbine, in particular aircraft engine, and method for generating electrical energy in a gas turbine |
| 06/30/2005 | DE10355241A1 Strömungsarbeitsmaschine mit Fluidzufuhr Turbomachine with fluid supply |
| 06/30/2005 | DE10349344B3 Gebläse mit Laminar-Element vor der Ansaugöffnung Blower with laminar element before the intake |
| 06/29/2005 | EP1548285A2 Method and apparatus for detecting compressor stall precursors |
| 06/29/2005 | EP1546562A1 Pneumatic compressor bleed valve |
| 06/28/2005 | US6910349 Suction connection for dual centrifugal compressor refrigeration systems |
| 06/23/2005 | US20050135926 Variable stator vane actuating levers |