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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06/12/2013 | CN202998764U An intelligent air blowing module |
06/12/2013 | CN202991571U Novel mine fan air pressure and air quantity detector |
06/12/2013 | CN202991570U Novel mine fan data acquisition and detection system |
06/12/2013 | CN202991569U Control circuit for rotating speed and forward and negative rotation of fan |
06/12/2013 | CN202991568U Main mine induced draft fan with air-volume online detection device |
06/12/2013 | CN202991567U Automatic converting and variable-frequency speed regulating device for coal mine partial ventilator |
06/12/2013 | CN202991566U Full-automatic fan test system |
06/12/2013 | CN202991565U Fuzzy control frequency conversion system based on PLC (programmable logic controller) |
06/12/2013 | CN202991564U Automatic-temperature-control electric fan |
06/12/2013 | CN202991563U Fan device controlled by infrared rays |
06/12/2013 | CN202991562U Intelligent fan control system based on single chip microcomputer |
06/12/2013 | CN202991561U Intelligent infrared induction electric fan |
06/12/2013 | CN202991560U Frequency converting control system of air blower |
06/12/2013 | CN202991559U Toggle-adjustive electric fan |
06/12/2013 | CN202991558U Fan energy efficiency test system |
06/12/2013 | CN202991557U Ceiling fan energy efficiency test system based on double-layer isolation |
06/12/2013 | CN202991556U Adjustable type high-power fan control device |
06/12/2013 | CN202991555U Testing fan wall for water cooling cabinets |
06/12/2013 | CN202991538U Bathroom induction exhaust fan |
06/12/2013 | CN202991096U Ventilation control system used for tunnel face |
06/12/2013 | CN103148025A Reducing acoustic tone excitation in computer system |
06/12/2013 | CN103148009A Automatic control system of fan |
06/12/2013 | CN103148008A Temperature control fan |
06/12/2013 | CN103148007A Mine ventilating fan control system capable of automatically adjusting air quantity |
06/12/2013 | CN103148006A Energy-saving fan |
06/12/2013 | CN101539151B Method and device for controlling inverter compressor |
06/06/2013 | WO2013081840A1 Surge prevention during startup of a chiller compressor |
06/06/2013 | WO2013079137A1 Fluid energy machine, in particular for an exhaust-gas turbocharger, with an obliquely arranged, rotatable guide element |
06/06/2013 | WO2012177582A3 Capacity control system and method for centrifugal compressor |
06/05/2013 | EP2600008A1 Turbomachine casing assembly with blade containment cavity |
06/05/2013 | EP2600006A1 Compressor rotating stall detection by spectral analysis of rotor vibrations |
06/05/2013 | EP2599968A1 Method of positioning a control surface to reduce hysteresis |
06/05/2013 | EP2598756A2 Method and system for reducing seal gas consumption and settle-out pressure reduction in high-pressure compression systems |
06/05/2013 | EP2598755A1 Method for operating a compressor |
06/05/2013 | EP2598754A1 Method for controlling a compressor |
06/05/2013 | EP2565465A9 Method and apparatus for determining change in mass of fan impeller |
06/05/2013 | CN202979543U Traction transformer secondary side resistance-capacitance network absorber cooling fan |
06/05/2013 | CN202978542U Double-shaft-extension motor, compressor, and refrigeration apparatus |
06/05/2013 | CN202971280U Swing range adjustable device of electric fan swing head |
06/05/2013 | CN202971266U Regulating device used in fan guide vane control |
06/05/2013 | CN202971265U Data collecting circuit of mine main fan |
06/05/2013 | CN202971264U Start and stop device of automatic temperature control draught fan |
06/05/2013 | CN202971263U Refrigerator and condensate fan speed control system thereof |
06/05/2013 | CN202971262U Fan control system |
06/05/2013 | CN202971261U Adjustable type large power fan controller |
06/05/2013 | CN202971260U Electric fan temperature control circuit |
06/05/2013 | CN202971259U Mine fan control system capable of automatically adjusting air volume |
06/05/2013 | CN202971258U One-key ventilating fan control system |
06/05/2013 | CN202971257U Blower variable frequency and speed regulation controller of FFU (fan filter unit) |
06/05/2013 | CN202971256U Fan capable of intelligently turning |
06/05/2013 | CN202971244U Infrared inductive electric fan |
06/05/2013 | CN202971240U Angle adjustable fan |
06/05/2013 | CN202971236U Direct current series machine cooling fan system |
06/05/2013 | CN202971234U Auxiliary blowing-in device |
06/05/2013 | CN202971231U Power equipment for supplying power to fan |
06/05/2013 | CN202971226U Bathroom induction exhaust fan |
06/05/2013 | CN202971055U Heat radiation and ventilation device for mechanical brake of wind generating unit |
06/05/2013 | CN103140729A Estimation apparatus of heat transfer medium flow rate, heat source machine, and estimation method of heat transfer medium flow rate |
06/05/2013 | CN103140114A Rack system of automatically increasing fan rotating speed |
06/05/2013 | CN103138534A Switching power supply capable of automatically regulating rotating speed of cooling fan |
06/05/2013 | CN103133426A Filter unit of air fan with constant air volume |
06/05/2013 | CN103133387A Energy-saving controller of fan with modular design |
06/05/2013 | CN103133386A Method and equipment for detecting rotating stall and compressor |
06/05/2013 | CN103133385A Fan shape judgment and control method, and fan universal control system |
06/05/2013 | CN103133384A Control system and method thereof |
06/05/2013 | CN103133383A Intelligent electric fan |
06/05/2013 | CN103133382A Method capable of controlling fan rotating speed |
06/05/2013 | CN103133381A Automatic frequency modulation control method of ventilator and device thereof |
06/05/2013 | CN103133371A Fan module |
06/05/2013 | CN103133367A Multifunctional electric fan |
06/05/2013 | CN103133364A 电风扇 Fan |
06/05/2013 | CN103133300A Fan nozzle with outlet control |
06/05/2013 | CN102312847B Integral centrifugal fan driven without position sensor |
06/05/2013 | CN102072184B Fuzzy control method and system for magnetic suspension molecular pump |
06/05/2013 | CN102032208B Self-adaptive control system and method of magnetic suspension molecular pump |
06/05/2013 | CN101506528B Turbocharger systems and methods for operating the same |
05/30/2013 | WO2013045540A3 Systems and methods for determining a level of fouling of compressors |
05/30/2013 | US20130136578 Turbocharger housing having a valve device, and method for manufacturing a turbocharger housing of said type |
05/30/2013 | CA2856633A1 A fan assembly |
05/29/2013 | EP2596312A2 Separation of a gas mixture |
05/29/2013 | CN202955011U Timing controller for exhaust fan |
05/29/2013 | CN202955010U Device for controlling fan to work by using infrared human body sensor and singlechip |
05/29/2013 | CN202955009U Draught fan control device |
05/29/2013 | CN202955008U Temperature-controlled axial flow fan |
05/29/2013 | CN202955006U Parallel air feeder in machine room system |
05/29/2013 | CN202955005U Pit-mounted air cooler |
05/29/2013 | CN202955004U Fan unit for rock wool production line |
05/29/2013 | CN103122865A Radiating fan of new energy car battery |
05/29/2013 | CN103122844A Compression apparatus |
05/29/2013 | CN102072185B Dust amount calculation optimal model-based energy-saving control method for dedusting fan |
05/29/2013 | CN102042092B Surge protection method for switching control of air quantity of air compressor of turbocharging system |
05/29/2013 | CN101737345B Small-sized heat radiating fan |
05/23/2013 | US20130129477 Method for operating a compressor |
05/23/2013 | US20130129475 Method for operating a pump |
05/22/2013 | EP2594802A1 Method for detecting the correct rotational direction of a centrifugal apparatus, and a centrifugal apparatus assembly |
05/22/2013 | EP2594765A2 Compressor having a cooling circuit and corresponding cooling method |
05/22/2013 | CN202946426U Speed regulation device of two-direct current electronic fan |
05/22/2013 | CN202946425U Clock synchronization device for fan control system |
05/22/2013 | CN202946424U Mine draught fan mechanical fault diagnosis device based on embedded-type data collection system |
05/22/2013 | CN202946418U 多功能风扇 Multifunction fan |