| 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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| 11/02/2006 | US20060245909 Rotary pressure exchanger |
| 11/02/2006 | EP1716316A1 Gas turbine with a compressor housing which is protected against cooling down and method for operating a gas turbine |
| 11/02/2006 | DE202006012596U1 Wiring circuit, for control of RPM of fan, for cooling of electronic equipment, has two input current sources with different voltage levels for running fan in dependence upon RPM parameters according to position of changeover switch |
| 11/01/2006 | CN2833187Y Fan energy-saving controller |
| 11/01/2006 | CN1854528A Fan module and its controller |
| 10/31/2006 | US7129661 Motor driver, motor driven by the motor driver, and apparatus employing the motor |
| 10/26/2006 | US20060239811 Apparatus and method for processing fluids |
| 10/19/2006 | WO2006110692A1 System and method of determining centrifugal turbomachinery remaining life |
| 10/19/2006 | WO2006108730A1 Electronic module for a fan of an internal combustion engine in a motor vehicle |
| 10/19/2006 | US20060233634 Method of indicating sealing steam temperature and related apparatus |
| 10/19/2006 | DE102005017546A1 Verfahren zur Steuerung einer Blutpumpe A method for controlling a blood pump |
| 10/18/2006 | CN2828392Y Indoor ventilation apparatus |
| 10/18/2006 | CN1280533C 燃气涡轮机控制装置 The gas turbine control apparatus |
| 10/17/2006 | US7121813 Reverse rotation preventing structure of centrifugal compressor |
| 10/17/2006 | US7121786 Mix-in structure for gas or the like in pressurization centrifugal pump |
| 10/12/2006 | WO2006105678A1 Flow stabilization system for centrifugal compressor |
| 10/12/2006 | US20060225481 Fan selection method and fan selection device |
| 10/12/2006 | DE102005016452A1 Lüftersystem und Verfahren zum Steuern eines Lüftermotors Fan system and method for controlling a fan motor |
| 10/11/2006 | EP1710442A1 Flow stabilisation system for radial compressor |
| 10/11/2006 | EP1709333A1 Vane system equipped with a guiding mechanism for centrifugal compressor |
| 10/11/2006 | EP1709302A2 Integrated adaptive capacity control for a steam turbine powered chiller unit |
| 10/11/2006 | EP1561007B1 Variable nozzle for turbocharger |
| 10/11/2006 | CN2826025Y Ventilator with temperature controller |
| 10/11/2006 | CN2826024Y Electric fan with speed regulator |
| 10/11/2006 | CN1279300C Backlash regulation mechanism for centrifugal compressor |
| 10/10/2006 | US7117662 Gas turbine control system |
| 10/05/2006 | US20060222482 Method and system for rotating a turbine stator ring |
| 10/05/2006 | DE202006012160U1 Control for simple cooling fan for electronic appliances etc has fan motor operated by voltage drop signal produced by pulse width modulation control connected to fan motor and driver circuit |
| 10/05/2006 | DE202006012159U1 Temperature control for cooler fan has temperature control circuit connected to motor and driver circuit to determined drop in temperature of electronic element and release voltage signal to reduce speed of motor |
| 10/05/2006 | DE102006014837A1 Method for determining the opening temperature of a temperature controller in a vehicle engine comprises regularly measuring the temperature of coolant and storing a recorded local maximum temperature value |
| 10/04/2006 | EP1706545A1 Cooling system for a blower |
| 10/04/2006 | EP1319132B1 High-pressure multi-stage centrifugal compressor |
| 10/04/2006 | CN1840864A Bleeding air from the tip of the rotating blades in a high pressure compressor of a turbine engine |
| 10/04/2006 | CN1278045C Analog control circuit for fan driving and controlling method thereof |
| 09/27/2006 | EP1704330A1 Recirculation port |
| 09/27/2006 | CN2821236Y Pressure regulating type single side air intake centrifugal blower |
| 09/27/2006 | CN1277056C Lifting mechanism for electric fan |
| 09/21/2006 | DE102005012838A1 Exhaust gas turbocharger in internal combustion engine has diffuser wall which is adjustable between effective flow cross-section in diffuser reducing minimum position and flow cross-section releasing maximum position |
| 09/21/2006 | DE102005012221A1 Verfahren zur Überprüfung des Gerätezustandes eines Ventilators Method for checking the device status of a fan |
| 09/20/2006 | EP1703355A1 Control device, in particular a pressure switch |
| 09/20/2006 | EP1703137A2 Ventilator |
| 09/20/2006 | EP1702164A2 Gas turbine engine electromechanical variable inlet guide vane actuation system |
| 09/20/2006 | CN2818860Y Ventilating fan with illuminating and anionic functions and multiple controlling structure |
| 09/20/2006 | CN1836109A Control device for compressor |
| 09/19/2006 | US7108477 Warning before pump limit or in case of blade failure on a turbomachine |
| 09/14/2006 | WO2006095132A1 Apparatus for inhibiting the propagation of a flame front |
| 09/14/2006 | US20060202653 Motor driver, motor driven by the motor driver, and apparatus employing the motor |
| 09/14/2006 | US20060201132 Gas turbine control system |
| 09/13/2006 | EP1701096A1 Method for adapting the heater power of a blower-supported heater to the individual pressure losses of a fresh air/exhaust gas pipe |
| 09/13/2006 | EP1701014A1 Rotational speed control method of fan |
| 09/13/2006 | EP1700038A2 Vacuum pump |
| 09/13/2006 | CN2816427Y Control device with mark position generally for scavenging fan |
| 09/08/2006 | WO2006093878A1 Turbocharger compressor having ported second-stage shroud, and associated method |
| 09/07/2006 | US20060198735 Vacuum pump and method of starting the same |
| 09/07/2006 | DE10261790B4 Strömungsmaschinenanordnung Fluid Machinery arrangement |
| 09/06/2006 | EP1697623A1 Gas turbine, in particular aircraft engine and method for generating electrical energy in a gas turbine |
| 09/06/2006 | CN2813946Y Gas transfer device |
| 09/06/2006 | CN2813941Y Small stove combustion-supporting fan |
| 09/06/2006 | CN1828061A Air compressor with air release valve |
| 09/06/2006 | CN1273782C Cooling system and method |
| 09/05/2006 | US7102308 Method and system for a variable speed fan control for thermal management |
| 08/30/2006 | EP1696133A2 Fan having function for detecting fault in the fan |
| 08/30/2006 | EP1694967A1 Fan comprising a laminar flow element that is situated in front of the intake opening |
| 08/30/2006 | CN2811633Y Automatic on-off device for fan of back-projection TV set when power failure |
| 08/30/2006 | CN2811631Y 电动泵 Electric pump |
| 08/30/2006 | CN1826499A Methods for detecting surge in centrifugal compressors |
| 08/29/2006 | US7097414 Inducer tip vortex suppressor |
| 08/29/2006 | US7096669 Method and apparatus for the prevention of critical process variable excursions in one or more turbomachines |
| 08/29/2006 | US7096657 Gas turbine engine electromechanical variable inlet guide vane actuation system |
| 08/29/2006 | CA2360531C Adaptive hot gas bypass control for centrifugal chillers |
| 08/23/2006 | EP1693572A2 Bleeding air from the tip of the rotating blades in a high pressure compressor of a turbine engine |
| 08/23/2006 | EP1692378A1 Turbo-charger surge detection |
| 08/23/2006 | CN2809691Y Energy-saving controller for blower fan for main transformer of electric locomotive |
| 08/23/2006 | CN2809282Y Heat radiation fan with rotation speed regulating element on fan circuit board |
| 08/23/2006 | CN2809281Y Automatic control device for exhaust fan |
| 08/23/2006 | CN2809278Y Aeration pump |
| 08/22/2006 | US7094019 System and method of surge limit control for turbo compressors |
| 08/22/2006 | US7094016 Multi-phase flow pumping means and related methods |
| 08/17/2006 | WO2006084817A1 Method for optimizing the functioning of a plurality of compressor units and corresponding device |
| 08/17/2006 | US20060182621 Fluid transfer device and method for conveying fluid to a rotating member |
| 08/17/2006 | DE102005006410A1 Verfahren zur Optimierung des Betriebs mehrerer Verdichteraggregate und Vorrichtung hierzu A method for optimizing the operation of several compressor units and apparatus therefor |
| 08/17/2006 | CA2597519A1 Method for optimizing the functioning of a plurality of compressor units and corresponding device |
| 08/16/2006 | CN2806837Y Electric fan with temperature controller |
| 08/16/2006 | CN1818393A Fan having function for detecting fault in the fan |
| 08/16/2006 | CN1270099C Improved performance centrifugal blower apparatus including at least two suction inlets, and associated blower method |
| 08/15/2006 | US7090469 Turbomolecular pump |
| 08/10/2006 | WO2006082366A1 Method of operating a pumping system |
| 08/09/2006 | CN2804441Y Steerage gear |
| 08/09/2006 | CN1268850C Turbocharger |
| 08/03/2006 | US20060169028 Test-gas leak detector |
| 08/02/2006 | CN2802139Y State blade adjustable axial fan for set of 300MW power station |
| 08/02/2006 | CN1812705A Control system and method for fan of electronic device and radiating system thereof |
| 08/01/2006 | US7083379 Compressor |
| 07/27/2006 | DE202005004274U1 Elektromotorisch angetriebenes Radialgebläse mit IC A motor driven centrifugal blower with IC |
| 07/26/2006 | CN2799921Y Circulating fluidized bed fan for power station generator unit |
| 07/26/2006 | CN2799919Y Differential pressure type thrust balancing device for rotary fluid machinery |
| 07/26/2006 | CN1266388C Turbocompressor and volume controlling method thereof |
| 07/20/2006 | DE102005001472A1 Control circuit for increasing revolution rate of cooling fan at low output voltage has input unit connected to control and comparison units and via which input current is fed in |
| 07/19/2006 | CN2797700Y Universal control device for various kinds of ventilation fans |
| 07/19/2006 | CN2797699Y Ventilation fan |