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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04/24/2013 | CN101672295B Energy-saving control device of frequency converter cabinet fan set and control method |
04/18/2013 | US20130094973 Systems and methods for programming of a cooling fan arrangement |
04/17/2013 | CN202883493U Direct-current (DC) draught fan and heat dissipation device of electrical appliance |
04/17/2013 | CN202883434U Swing angle adjustable structure of sliding button type crank rocker |
04/17/2013 | CN202883432U Supporting device for motor head of vertical fan |
04/17/2013 | CN202883426U Centrifugal compressor surge indicator |
04/17/2013 | CN202883425U Intelligent control device for computer overheating |
04/17/2013 | CN202883424U Fan intelligent control system |
04/17/2013 | CN202883423U Remote speed adjusting device of direct current ceiling fan |
04/17/2013 | CN202883422U Automobile cooling fan control circuit |
04/17/2013 | CN202883421U Passenger car step less speed regulating electric fan assembly |
04/17/2013 | CN202883420U Exhaust blower |
04/17/2013 | CN202883419U Voice recognition wireless fan remote controller |
04/17/2013 | CN202883418U Failure detection device for outdoor fan of air conditioner |
04/17/2013 | CN202883417U Cooling fan fault alarm circuit structure |
04/17/2013 | CN202883416U Heat dissipation equipment used for oil well solid biochemistry placing paraffin blocks |
04/17/2013 | CN202883415U Fan on roof |
04/17/2013 | CN202883409U Digital portable explosion-proof axial flow fan |
04/17/2013 | CN202883408U Multifunctional smart fan |
04/17/2013 | CN202883399U Cooling fan for ultrathin notebook |
04/17/2013 | CN202883398U Mini fan |
04/17/2013 | CN103052767A Method and device for detecting a rotational separation adversely affecting a turbine engine compressor |
04/17/2013 | CN103047166A Blower control system during power frequency/frequency conversion switching of high-voltage frequency converter |
04/17/2013 | CN103047165A Control method and control system for dust removal fan of smelting furnace |
04/17/2013 | CN103047164A Adjustable speed timing exhaust fan |
04/17/2013 | CN103047163A Control device and control method of fan module of server cabinet |
04/17/2013 | CN103047162A Multi-mode intelligent sensing tracking fan |
04/17/2013 | CN103047161A Combined fan of high-speed joint-harvesting and planting management machine |
04/17/2013 | CN103047160A Fan with novel structure |
04/17/2013 | CN103047152A Vacuum pump |
04/16/2013 | US8419355 Fluid flow machine featuring an annulus duct wall recess |
04/16/2013 | US8419345 Actuator |
04/11/2013 | WO2013051559A1 Centrifugal compressor machine and method for preventing surge therein |
04/11/2013 | WO2013050688A1 Centrifugal compressor provided with a marker for measuring wear and a method of monitoring wear using said marker |
04/11/2013 | US20130089411 Control shaft seal |
04/11/2013 | CA2849413A1 Centrifugal compressor provided with a marker for measuring wear and a method of monitoring wear using said marker |
04/10/2013 | EP2578888A1 Construction machine with automatic ventilator rotation speed regulator |
04/10/2013 | EP2576973A2 Compact cable suspended pumping system for lubricator deployment |
04/10/2013 | CN202867305U Fan electronic control unit control box of special vehicle |
04/10/2013 | CN202867304U Automotive cooling fan control circuit |
04/10/2013 | CN202867303U Local fan performance tester |
04/10/2013 | CN202867302U Fan unit performance tester |
04/10/2013 | CN202867301U Control circuit of air cooler |
04/10/2013 | CN202867300U Electric welding machine draught fan |
04/10/2013 | CN202867299U Speech recognition wireless fan receiving device |
04/10/2013 | CN202867298U Air blower |
04/10/2013 | CN202867297U Automatic tracking control circuit of fan |
04/10/2013 | CN202867296U Electric fan |
04/10/2013 | CN202867295U Induction electric fan safety device |
04/10/2013 | CN202867294U Fan control box for photovoltaic power station |
04/10/2013 | CN202867293U Induction control system of super clean bench |
04/10/2013 | CN202867292U Intelligent energy-saving fan assembly |
04/10/2013 | CN202867291U Headshaking fan with adjustable headshaking angle |
04/10/2013 | CN202867280U Minitype electro-drive fan |
04/10/2013 | CN202867272U Water temperature control device of water ring vaccum pump |
04/10/2013 | CN202866984U Engine transient air inlet control system |
04/10/2013 | CN103038516A Method for operating a compressor |
04/10/2013 | CN103036816A Fan rotating speed controlling method and switchboard equipment |
04/10/2013 | CN103032364A Ventilator for civil air defence projects |
04/10/2013 | CN103032363A Exhaust fan with timing function |
04/10/2013 | CN103032362A Rotating speed controllable ventilating fan |
04/10/2013 | CN103032361A Control method, device and system for dust removal fan |
04/10/2013 | CN103032360A Method and device for controlling desulfuration system |
04/10/2013 | CN103032359A High-pressure full-plastic fan impeller dynamic strength testing device |
04/10/2013 | CN103032358A Fan controller |
04/10/2013 | CN103032357A Method, circuit, and electronic device for controlling rotation speed of fan |
04/10/2013 | CN103032356A 智能风扇 Smart Fan |
04/10/2013 | CN103032352A Motor housing thermal sensing |
04/10/2013 | CN103032345A Supersonic compressor |
04/10/2013 | CN103032105A Noise reduction in a turbomachine, and a related method thereof |
04/10/2013 | CN103031796A Construction machine with automatic fan rotational speed regulation |
04/10/2013 | CN101624996B Novel fan electrical control system |
04/04/2013 | WO2013045540A2 Systems and methods for determining a level of fouling of compressors |
04/04/2013 | WO2013045052A2 Electric turbocharger for supplying air to a fuel cell |
04/04/2013 | WO2013009644A3 Supersonic compressor |
04/04/2013 | DE102007051845B4 Turbolader und Verfahren zum Erzeugen eines Vordralls vor einem Verdichter des Turboladers Turbocharger and method for generating a pre-whirl in front of a compressor of the turbocharger |
04/04/2013 | CA2850408A1 Systems and methods for determining a level of fouling of compressors |
04/03/2013 | CN202853059U Central air conditioning air conditioning box motor frequency conversion control device based on internet of things |
04/03/2013 | CN202851414U Timing control device used for controlling fan to regularly swing and fan provided with the same |
04/03/2013 | CN202851413U Air cooling control device |
04/03/2013 | CN202851412U Draught fan cooling control device suitable for detecting environmental temperature and humidity to control wind speed of draught fan |
04/03/2013 | CN202851411U Circuit structure used for light-emitting diode (LED) spotlight fan |
04/03/2013 | CN202851410U Boiler primary air fan system |
04/03/2013 | CN202851409U Adjusting variable speed air supply machine of air speed sensor |
04/03/2013 | CN202851408U Infrared universal serial bus (USB) fan |
04/03/2013 | CN202851407U Pulse width modulation (PWM) controller of double-air-blower cooling fan for automobile engine |
04/03/2013 | CN202851406U Lead box forced air cooling device of generator |
04/03/2013 | CN202851405U Computer fan |
04/03/2013 | CN202851401U Primary fan of circulating fluidized bed boiler |
04/03/2013 | CN202849324U Wireless control device of speed signals of dust removal fan of coke oven |
04/03/2013 | CN103026075A Method for controlling a regulated-rotation-speed low-pressure centrifugal fan |
04/03/2013 | CN103019342A 服务器系统 Server System |
04/03/2013 | CN103016382A Refrigerator and speed control system and method of condenser fan of refrigerator |
04/03/2013 | CN103016381A Fan speed-regulating system for server |
04/03/2013 | CN103016380A Method and device for determining performance of blade tip clearance region of cooling fan of automobile engine |
04/03/2013 | CN103016379A Control method for unbypassed booster fan of desulphurization system |
04/03/2013 | CN103016378A Driving circuit and driving method of external rotor electronic control type fan adjuster |
04/03/2013 | CN103016377A Detecting circuit for rotating speed of fan |
04/03/2013 | CN103016376A Multifunctional adjustable-type electric fan |
04/03/2013 | CN103016370A Outdoor automatic air supply system and automatic air supply method |