| 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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| 04/13/2011 | CN102011745A Neural network control system and method of magnetic suspension molecular pump |
| 04/13/2011 | CN102011744A Multi-fan control system |
| 04/13/2011 | CN102011743A Blast blower control system for circular cooler |
| 04/13/2011 | CN102011742A A device and a method for association fan rotating speed control |
| 04/13/2011 | CN101713412B Intelligent driving device for fan of cooling tower |
| 04/13/2011 | CN101126392B Fan control method and device |
| 04/12/2011 | US7922464 Magnetic drive pump |
| 04/07/2011 | US20110081226 Method for operating a wind turbine |
| 04/06/2011 | EP2306029A1 Compressor and method for controlling the fluid flow in a compressor |
| 04/06/2011 | EP2305960A1 Purging valve in a primary duct of a compressor and corresponding process to suppress the surge effect |
| 04/06/2011 | EP2304358A2 Method and apparatus for controlling a compressor and method of cooling a hydrocarbon stream |
| 04/06/2011 | EP2304239A1 Vacuum pumping systems |
| 04/06/2011 | CN201787800U Automatic cooling device for cooling water for freeze-drying |
| 04/06/2011 | CN201786709U Circulating valve of turbocharger |
| 04/06/2011 | CN201786705U Segmented timed fan |
| 04/06/2011 | CN201786698U Electric fan structure with infrared detection function |
| 04/06/2011 | CN102007301A Control system |
| 04/06/2011 | CN102007299A Vacuum pump |
| 04/06/2011 | CN102003400A Direct current fan speed regulation and fault sensing circuit |
| 04/06/2011 | CN102003399A Fan time delay control circuit |
| 04/06/2011 | CN101542126B Ceiling fan |
| 04/06/2011 | CN101354047B Fan system |
| 04/05/2011 | CA2403632C Variable pitch fan |
| 03/31/2011 | WO2011038196A1 Method of operating adaptive core engines |
| 03/31/2011 | WO2011038188A1 Adaptive core engine |
| 03/31/2011 | WO2010141815A3 Control system |
| 03/31/2011 | US20110076138 Aspirator Insert for a Boundary Layer in a Fluid, a Wall and a Compressor Equipped with Said Insert |
| 03/31/2011 | CA2775142A1 Method of operating adaptive core engines |
| 03/31/2011 | CA2775139A1 Adaptive core engine |
| 03/30/2011 | CN201779072U Blower of circulating fluid bed |
| 03/30/2011 | CN201779046U Conical adjusting door |
| 03/30/2011 | CN201779044U External double-blade auto-stop air pump |
| 03/30/2011 | CN101996123A Server of power supply fan controlled by multiple mainboards |
| 03/30/2011 | CN101994718A Fan control circuit |
| 03/30/2011 | CN101994717A Atca风扇控制方法及atca机框管理器 Atca fan control method and atca shelf manager |
| 03/30/2011 | CN101994716A Protector capable of preventing fan from being damaged |
| 03/28/2011 | CA2715606A1 Aspirator insert for a boundary layer in a fluid stream, a well and a compressor equipped with said insert |
| 03/23/2011 | EP2299122A2 Heat dissipating fan |
| 03/23/2011 | CN201773348U Notebook computer heat radiating seat with automatic wind power adjustment |
| 03/23/2011 | CN201771818U Ventilator inlet flow adjustment device |
| 03/23/2011 | CN201771817U Remote-controlled device of fan |
| 03/23/2011 | CN201771816U Fan control device |
| 03/23/2011 | CN201771815U Turbo molecular pump control circuit for mass spectrum |
| 03/23/2011 | CN201769647U Intelligent ventilator control system for live working tool wagon |
| 03/23/2011 | CN101990386A Heat dissipation device, electronic device and control method |
| 03/22/2011 | CA2653836C Annular flow duct for a turbomachine through which a main flow can flow in the axial direction |
| 03/17/2011 | US20110064560 Axial turbine and method for discharging a flow from an axial turbine |
| 03/16/2011 | EP2295813A2 Turbomolecular pump rotor |
| 03/16/2011 | EP2294320A2 Air collector in a turbomachine |
| 03/16/2011 | EP1960668B1 Apparatus for detecting a flammable atmosphere within a compressor, in particular a vacuum pump |
| 03/16/2011 | CN201764097U Air door conical core |
| 03/16/2011 | CN201763662U Improved structure of circulating fan |
| 03/16/2011 | CN201763661U Novel fan intelligent control system |
| 03/16/2011 | CN201763660U Automatic control device of exhaust fan of air compressor room |
| 03/16/2011 | CN201763659U Energy-saving electric control system of boiler blower |
| 03/16/2011 | CN201763658U Timing control circuit for floating electric blower |
| 03/16/2011 | CN201763657U Adjuster mounted at entrance of fan |
| 03/16/2011 | CN201763656U Intelligent control device of coal mine double-fan vacuum magnetic starter |
| 03/16/2011 | CN201763655U Group control system for monitoring fan filter unit (FFU) fan |
| 03/16/2011 | CN201763653U Small fan capable of adjusting airflow |
| 03/16/2011 | CN201763651U Tower fan with rotatable fan body |
| 03/16/2011 | CN201763642U Desk fan |
| 03/16/2011 | CN201763639U Rotatably displayed electric fan |
| 03/16/2011 | CN201763637U Forwarding machine |
| 03/16/2011 | CN101985946A Fan speed-regulation control circuit as well as control method and electronic device thereof |
| 03/16/2011 | CN101985945A Air speed step indicating circuit of electric fan |
| 03/15/2011 | US7905102 Control system |
| 03/10/2011 | DE102010026261A1 Method for operating fan for ventilation device of air conditioning system of motor vehicle, involves operating fan with power lesser than maximum power, where lower power is adjusted when drive of vehicle is not operated |
| 03/09/2011 | EP2292934A2 Axial compressor with a flow impulse generator |
| 03/09/2011 | EP2292910A1 Method for the control of gas turbine engines |
| 03/09/2011 | EP1934486B1 Cooling fan module for a motor vehicle |
| 03/09/2011 | CN201757838U Welding machine cooling blower control circuit |
| 03/09/2011 | CN201757075U Monopole centrifugal blower control system |
| 03/09/2011 | CN201757074U Double voltage input intelligence temperature control fan circuit device of computer power supply device |
| 03/09/2011 | CN201757073U Safe & intelligent type explosionproof air blower electric control box |
| 03/09/2011 | CN201757070U Large-sized ceiling fan |
| 03/09/2011 | CN201757069U Desk fan |
| 03/09/2011 | CN201757067U Safety fan provided with storage medium and capable of controlling luminescence |
| 03/09/2011 | CN101984260A Control method for ventilation fan in toilet through temperature difference method |
| 03/09/2011 | CN101984259A Control method for improving economical operation of boiler charge returning air blower |
| 03/09/2011 | CN101208856B Self calibrating fan |
| 03/03/2011 | WO2011023891A1 Turbine engine compressor having air injectors |
| 03/03/2011 | WO2011023690A2 Compressor |
| 03/03/2011 | WO2011023066A1 Industrial fan with special transmission structure |
| 03/03/2011 | WO2010145762A3 Pumps and fittings having sensors |
| 03/03/2011 | WO2010135407A3 Variable speed compressor |
| 03/03/2011 | US20110052368 Method and a system for adjusting alarm level of a component in a wind turbine |
| 03/03/2011 | US20110048046 Control system |
| 03/03/2011 | CA2772054A1 Turbine engine compressor having air injectors |
| 03/02/2011 | EP2290243A2 Method for operating a vacuum pump |
| 03/02/2011 | EP2290241A1 Turbocompressor assembly with a cooling system |
| 03/02/2011 | EP2288813A1 Injection of air into the flow path of a turbomachine compressor |
| 03/02/2011 | EP1792242B1 Method and device for determining an error state in a rotating compressor |
| 03/02/2011 | EP1666705B1 Fan rpm control method |
| 03/02/2011 | EP1605788B8 Respirator |
| 03/02/2011 | CN201754601U Multipurpose remote controller |
| 03/02/2011 | CN201753696U Hand switch device of intelligent remote control fan |
| 03/02/2011 | CN201753692U Direct current (DC) frequency conversion electric fan |
| 03/02/2011 | CN101982703A Multifunctional optical control desk lamp |
| 03/01/2011 | US7896625 Vacuum pumping system and method of operating a vacuum pumping arrangement |