| 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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| 01/13/2010 | CN101624996A Novel fan electrical control system |
| 01/13/2010 | CN100580256C Energy-saving type constant pressure fluid conveying machine parallel arrangement |
| 01/12/2010 | US7644572 Compact lightweight turbine |
| 01/07/2010 | WO2009050178A3 Methods and apparatuses for cooling and/or liquefying a hydrocarbon stream; method for accommodating a reduction of available driver power; and method of reducing a decrease in the production range of a cooled hydrocarbon stream |
| 01/07/2010 | US20100003071 Fastener Assembly with Cyclone Cooling |
| 01/06/2010 | CN201377457Y Controlling device of auto cooling fan |
| 01/06/2010 | CN201377454Y Body inductive electric fan |
| 01/06/2010 | CN201377453Y Infrared inductive electric fan in cage-type elevator |
| 01/06/2010 | CN101622457A Method for determining the fatigue of a pump rotor of a gas turbopump |
| 01/06/2010 | CN101619729A Control method and operation method for optimizing beaten sound of parallel propeller fan systems |
| 01/05/2010 | US7643975 Method of modeling the rotating stall of a gas turbine engine |
| 12/31/2009 | US20090325010 Adaptive compressor surge control in a fuel cell system |
| 12/31/2009 | US20090324392 Fresh gas system |
| 12/30/2009 | WO2009156645A1 Turbine engine compressor comprising an air injection system |
| 12/30/2009 | WO2009156600A1 Injection of air into the flow path of a turbomachine compressor |
| 12/30/2009 | EP2138727A2 Blade shrouds with outlet |
| 12/30/2009 | EP2138726A2 Method, system and controller for establishing a wheel space temperature alarm in a turbomachine |
| 12/30/2009 | CN201374551Y Fan driving and protecting circuit of electromagnetic oven |
| 12/30/2009 | CN201372952Y Wireless stepless modulation controller |
| 12/30/2009 | CN201372951Y Speed controller for electric fan |
| 12/30/2009 | CN201372949Y 0-360 degrees adjustable oscillating electric fan |
| 12/30/2009 | CN201372943Y Electric fan computer control device |
| 12/30/2009 | CN101614218A Wind direction changer of electric fan |
| 12/30/2009 | CN101614217A Method for controlling rotating speed of fan |
| 12/30/2009 | CN100575824C Electric compressor |
| 12/30/2009 | CA2721423A1 Injection of air into the flow path of a turbomachine compressor |
| 12/23/2009 | WO2009153510A1 Air discharge system for an aeronautical turbine engine compressor |
| 12/23/2009 | EP2136036A1 Multi-rotational crankshaft arrangement |
| 12/23/2009 | EP2135660A1 Method for determining the clogging level of air filters |
| 12/23/2009 | CN201368045Y Fan alarm device |
| 12/23/2009 | CN100572823C Method for operation of a compressor supplied by a power converter |
| 12/23/2009 | CN100571558C Respirator |
| 12/17/2009 | WO2009114317A3 Cooling system for clutch |
| 12/17/2009 | US20090312930 Stall prediction apparatus, prediction method thereof, and engine control system |
| 12/17/2009 | DE102007035712B4 Verfahren zum Erkennen eines Störfalles "Rotating Stall" bei einem umrichtergespeisten Verdichter A method for detecting a fault "rotating stall" at a converter-compressor |
| 12/16/2009 | CN201363301Y Swinging angle adjusting device of industrial electric fan |
| 12/16/2009 | CN101604171A Method, equipment and computer for controlling rotation of fan inside equipment |
| 12/16/2009 | CN101603544A Linear compensation method of rotating speed of fan |
| 12/16/2009 | CN101603543A Method for setting rotating speed of fan by utilizing RC frequency |
| 12/16/2009 | CN100570159C Method for reducing noise of equipments based on control of fan rotate speed |
| 12/15/2009 | US7632061 Pump or turbine drive unit comprising such a pump or turbine and outboard motor |
| 12/10/2009 | WO2009147426A1 Vacuum pumping systems |
| 12/10/2009 | WO2009147241A2 Apparatus for indirect conversion of ocean wave energy into electric energy |
| 12/10/2009 | WO2009125135A3 Casing for a moving-blade wheel of a turbomachine |
| 12/09/2009 | EP2129921A1 Method for detecting rotating stall in a compressor |
| 12/09/2009 | CN201358961Y Inlet prerotator and high-speed centrifugal blower therewith |
| 12/09/2009 | CN201358936Y Infrared induction ceiling fan |
| 12/09/2009 | CN201358935Y Cooling fan speed adjusting circuit of electromagnetic oven |
| 12/09/2009 | CN201358934Y Intelligent electric fan |
| 12/09/2009 | CN201358930Y Safety fan |
| 12/09/2009 | CN201358929Y Axial flow type compressor adjusted and controlled by throat pressure difference |
| 12/09/2009 | CN101600887A Method for controlling a turbocoinpressor |
| 12/08/2009 | US7628576 Method of modifying a turbocompressor |
| 12/03/2009 | WO2009144415A2 Air collector in a turbomachine |
| 12/03/2009 | US20090297335 Asymmetric flow extraction system |
| 12/03/2009 | US20090297333 Enhanced Turbocompressor Startup |
| 12/03/2009 | DE102009025813A1 Geräuscharmer Ejektor für eine Turbomaschine Quiet ejector for a turbomachine |
| 12/03/2009 | DE102008026232A1 Method for controlling battery fan in vehicle, involves controlling battery fan by control unit, where microphone is arranged in passenger compartment, and control unit holds acoustic grid of controlled battery fan |
| 12/03/2009 | CA2725885A1 Air collector in a turbomachine |
| 12/03/2009 | CA2725164A1 Housing for a compressor of a gas turbine, compressor, and method for producing a housing segment of a compressor housing |
| 12/02/2009 | EP2128449A1 Enhanced turbocompressor startup |
| 12/02/2009 | CN201355455Y Server cabinet temperature remote monitor device |
| 12/02/2009 | CN201354750Y Fan and water pump power-saving device thereof |
| 12/02/2009 | CN201354748Y Energy-saving temperature-controlled electric fan |
| 12/02/2009 | CN201354746Y Remote control electric fan |
| 12/02/2009 | CN101595306A Seal chamber conditioning valve for a rotodynamic pump |
| 12/02/2009 | CN101592161A Radiation device |
| 12/02/2009 | CN100565741C Ventilator fan |
| 12/02/2009 | CN100564888C Control set for adjusting angle of swing of electric fan |
| 12/02/2009 | CN100564841C Compressor with secondary boost air outlet passage |
| 11/26/2009 | WO2009143213A2 Seal monitoring and control system |
| 11/26/2009 | US20090290974 Annular Flow Duct for a Turbomachine Through which a Main Flow can Flow in the Axial Direction |
| 11/26/2009 | US20090290971 Seal monitoring and control system |
| 11/26/2009 | CA2725168A1 Seal monitoring and control system |
| 11/25/2009 | EP2124004A2 Compressor-expander set critical speed avoidance |
| 11/25/2009 | CN201351628Y Automatic adjusting system of welding equipment cooling fan |
| 11/25/2009 | CN101586574A System and method for fan characteristic compensation |
| 11/19/2009 | WO2009120522A3 Integrated fan drive system for air-cooled heat exchanger (ache) |
| 11/18/2009 | EP2118497A1 Method for determining the fatigue of a pump rotor of a gas turbopump |
| 11/18/2009 | EP2118496A1 Fan arrangement with better availibility, and method for operation thereof |
| 11/18/2009 | EP2118493A1 Fan having a sensor |
| 11/18/2009 | CN201348340Y Speed regulating device and air conditioner system utilizing same |
| 11/18/2009 | CN201347875Y Control system of cooling tower fan |
| 11/18/2009 | CN201347874Y Fan energy-saving control system |
| 11/18/2009 | CN201347872Y Double-sided electric fan |
| 11/18/2009 | CN201347870Y Air pump capable of filling and exhausting air |
| 11/18/2009 | CN201347868Y Industry cycle water energy-saving control system |
| 11/18/2009 | CN101581316A Small fan used for sewing machine |
| 11/18/2009 | CN100561071C 锅炉 Boiler |
| 11/11/2009 | CN201345698Y Thin television fan system |
| 11/11/2009 | CN201344146Y Speed governor for acoustic controlling electric fan |
| 11/11/2009 | CN201344145Y Energy saving control circuit device applied for fan |
| 11/11/2009 | CN100559030C Method and apparatus for controlling rotation speed of complementary fan |
| 11/05/2009 | WO2009133308A2 Centripetal air bleed from a turbomachine compressor rotor |
| 11/05/2009 | WO2009133125A1 Fluid energy machine |
| 11/05/2009 | WO2009133017A1 Efficiency monitoring of a compressor |
| 11/05/2009 | US20090274565 Continuing compressor operation through redundant algorithms |
| 11/05/2009 | DE102009012731A1 Steuerung der Temperatur von Fahrzeugvorrichtungen unter Verwendung eines Gebläses mit veränderlicher Drehzahl Controlling the temperature of vehicle devices using a blower with variable speed |
| 11/05/2009 | CA2722077A1 Centripetal air bleed from a turbomachine compressor rotor |
| 11/04/2009 | EP2112899A2 Multi-pump suctioning device |