| 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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| 06/29/2011 | EP2337958A1 Compressor |
| 06/29/2011 | CN201884318U Remote control system for machine room air conditioners |
| 06/29/2011 | CN201884317U Electric fan power saving device |
| 06/29/2011 | CN201884316U Energy conservation control system of commercial kitchen exhaust fan and air feed fan |
| 06/29/2011 | CN102112751A Vacuum pump |
| 06/29/2011 | CN102111066A Energy-saving electronic device as well as power control system of cooling fan and control method |
| 06/29/2011 | CN101603543B Method for setting rotating speed of fan by utilizing RC frequency |
| 06/23/2011 | WO2011074421A1 Device and method for controlling compressor |
| 06/23/2011 | WO2011072381A1 Variable pitch fan having a pitch sensor |
| 06/23/2011 | US20110150628 Fluid energy machine |
| 06/23/2011 | US20110150627 Method of operating a fan system |
| 06/23/2011 | US20110147533 Morphing ducted fan for vertical take-off and landing vehicle |
| 06/23/2011 | US20110146289 Power extraction method |
| 06/23/2011 | CA2784674A1 Variable pitch fan having a pitch sensor |
| 06/22/2011 | EP2334924A1 Fuel delivery and control system including a variable displacement actuation pump supplementing a fixed displacement main pump |
| 06/22/2011 | EP2232076B1 High-energy efficiency plant for automotive methane compression |
| 06/22/2011 | EP2024618B1 Turbocompressor for an internal combustion engine |
| 06/22/2011 | CN201877806U Automatic stopping device for abnormal rotation speed of fan motor and fan |
| 06/22/2011 | CN201877083U Display with intelligent fan system |
| 06/22/2011 | CN201874873U Electronic device |
| 06/22/2011 | CN201874872U Air speed governing air supplier |
| 06/22/2011 | CN201874868U Remote control invisible energy-saving electric fan |
| 06/22/2011 | CN201874858U variable air volume energy-saving low-noise fan |
| 06/22/2011 | CN102103914A Speed regulating resistor for vertical flat plate type car air conditioner |
| 06/22/2011 | CN102102681A Fan control system |
| 06/22/2011 | CN102102680A Control method and device for draught fan damper opening and engineering machinery comprising device |
| 06/22/2011 | CN102102679A Control system and method for regulating fan speed dynamically |
| 06/21/2011 | CA2487982C Pneumatic compressor bleed valve |
| 06/16/2011 | WO2011071589A2 A method for controlling a pump and motor system |
| 06/16/2011 | US20110142691 Speed-dependent stability valve |
| 06/16/2011 | US20110142634 Overspeed protection system and method |
| 06/16/2011 | US20110142593 Method and system for validating wind turbine |
| 06/16/2011 | CA2782337A1 A method for controlling a pump and motor system |
| 06/15/2011 | EP2331825A1 Method of controlling a compressor and apparatus therefor |
| 06/15/2011 | EP2044331B1 Method for determining a statement of a state of a turbomolecular pump and a turbomolecular pump |
| 06/15/2011 | CN201865977U Double-air-outlet draft fan |
| 06/15/2011 | CN201865955U Floating fan power supply control system of cheese winder |
| 06/15/2011 | CN201865954U Fan port of fan |
| 06/15/2011 | CN201865953U Cooling fan controller for motor |
| 06/15/2011 | CN201865952U Fan control system for plant frost protection based on sensing network technology |
| 06/15/2011 | CN201865951U Protection circuit for electric fan capable of stopping rotating by human touch |
| 06/15/2011 | CN201865950U Automatic control device of circulating cooling water cooling fan |
| 06/15/2011 | CN201865949U Closed-loop control device of revolving speed of air-conditioner fan |
| 06/15/2011 | CN201865948U Fan controller and heat dissipation control device |
| 06/15/2011 | CN201865947U Novel remote control floor fan |
| 06/15/2011 | CN201865939U Automatic pressure-regulating cooling tower fan |
| 06/15/2011 | CN102094854A Swing safe energy-saving electric fan |
| 06/15/2011 | CN102094843A Finger contact protecting and alarming device for electric fan |
| 06/15/2011 | CN102094842A Automatic energy-saving control device and method for axial flow fan of main transformer station |
| 06/15/2011 | CN102094839A Fan system and stopping control circuit thereof |
| 06/09/2011 | WO2011066629A2 Method for controlling a composite device and a composite device in which this method can be applied |
| 06/09/2011 | CA2772289A1 Method for controlling a compossed device and compossed device wherein such method is applied |
| 06/08/2011 | CN201859327U Energy-saving air conditioner and linkage system of air conditioner and fan |
| 06/08/2011 | CN201858179U Power fan monitoring system and lottery machine with same |
| 06/08/2011 | CN201858178U Automobile coating forced cooling chamber fan control device |
| 06/08/2011 | CN201858171U Centrifugal aeration fan |
| 06/08/2011 | CN201857988U Rotating structure of front door of mine ventilator controller |
| 06/08/2011 | CN201857987U Front door structure of mine ventilator controller |
| 06/08/2011 | CN201857986U Front door rotating shaft guide seat of controller of mine fan |
| 06/08/2011 | CN1971058B Rotation rate-controllable DC brushless fan |
| 06/08/2011 | CN102086880A Power fan monitoring system and method as well as lottery machine with power fan monitoring system |
| 06/02/2011 | US20110129328 Plasma sensors and related methods |
| 06/01/2011 | DE102009047195A1 Pump stroke detection device for turbocompressor e.g. axial compressor, has delta limiter comprising signal input and signal output that are connected with signal output of sensor and signal input of control device, respectively |
| 06/01/2011 | CN201854475U Light-emitting diode driving device |
| 06/01/2011 | CN201851386U Intelligent inducing fan controller |
| 06/01/2011 | CN201851385U Device for online monitoring running of fan |
| 06/01/2011 | CN201851384U Automatic operation control device of tunnel ventilator |
| 06/01/2011 | CN201851383U Device for preventing cooling tower from icing in winter |
| 06/01/2011 | CN201851380U Automatic pressure regulation cooling tower fan |
| 06/01/2011 | CN201851375U Melody driving electric fan |
| 06/01/2011 | CN201851373U Wall fan with power-failure lighting function |
| 06/01/2011 | CN1795334B Fan array fan section in air-handling systems |
| 06/01/2011 | CN102080878A Draught fan control method and device of gas equipment |
| 06/01/2011 | CN102080740A Conical core of air door |
| 06/01/2011 | CN102080664A Radiating system and control method thereof |
| 06/01/2011 | CN102080663A Small direct current fan |
| 06/01/2011 | CN101725557B Connecting device for fan control system |
| 06/01/2011 | CN101435431B Rotary speed tracing control method of enameling machine fan |
| 05/31/2011 | US7950897 Gas turbine and gas turbine cooling method |
| 05/31/2011 | CA2418233C Blade control device with variable blade angle and tight attachment |
| 05/30/2011 | CA2722827A1 Variable speed drive system |
| 05/26/2011 | US20110123315 Multi-stage turbocharger system |
| 05/26/2011 | DE202010014953U1 Luftpumpe mit Autostoppfunktion Air pump with auto-stop function |
| 05/25/2011 | EP2325494A1 Torque-based sensor and control method for varying gas-liquid fractions of fluids for turbomachines |
| 05/25/2011 | EP2324249A1 A centrifugal fan |
| 05/25/2011 | CN201846296U Fan driving circuit capable of regulating speed automatically and power supplying circuit |
| 05/25/2011 | CN201844992U Formaldehyde detection controller |
| 05/25/2011 | CN201843808U Air speed adjusting module for vehicle-mounted air conditioner |
| 05/25/2011 | CN201843807U Multifunctional electric fan without fan blades |
| 05/25/2011 | CN102077461A Method for identifying load condition of pump |
| 05/25/2011 | CN102076973A Turbomachine compressor |
| 05/25/2011 | CN102072186A Volume control method for multistage centrifugal compressor |
| 05/25/2011 | CN102072185A Dust amount calculation optimal model-based energy-saving control method for dedusting fan |
| 05/25/2011 | CN102072184A Fuzzy control method and system for magnetic suspension molecular pump |
| 05/25/2011 | CN102072183A Fan control system with sensor |
| 05/25/2011 | CN102072182A Outer rotor embedded automatic control constant speed DC brushless axial flow fan and constant speed control method |
| 05/25/2011 | CN102072181A Fan air door |
| 05/25/2011 | CN102072179A Swing mechanism of fan head |
| 05/25/2011 | CN101225824B Electric air pump for filling and discharging gas of aerated bed as well as aerated bed thereof |
| 05/24/2011 | CA2603603C System and method of determining centrifugal turbomachinery remaining life |