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Patent Searching and Data


Matches 1 - 50 out of 7,399

Document Document Title
WO/2019/048176A1
The invention relates to a fan comprising a motor (10), a fan wheel (11), an inlet vent (12) positioned upstream of the fan wheel, at least one air pressure measuring device having at least one air pressure sensor, control electronics co...  
WO/2019/045226A1
A flow generating device according to one embodiment of the present invention comprises: an upper fan for sucking in upper air to generate a first air flow; an upper fan housing for accommodating the upper fan in a lower side thereof and...  
WO/2019/042304A1
Provided are a fan speed control method and apparatus, applied to a server. According to one example of the method, after determining a target DTS temperature curve corresponding to the temperature of an environment where a server is cur...  
WO/2019/037025A1
A method of adjusting a fan rotation speed, comprising: determining a current adjustment parameter for a fan rotation speed; acquiring, according to the current adjustment parameter, a fan rotation speed corresponding to the current adju...  
WO/2019/040701A1
The invention relates to a compressor assembly for a charging device comprising a compressor housing and a compressor wheel with a plurality of blades which is arranged in the compressor housing to rotate about a compressor axis. At leas...  
WO/2019/037784A1
A fan control method and apparatus, the method comprising: acquiring temperature adjustment information reported by each device; on the basis of the temperature adjustment information of each device, determining rotation speed adjustment...  
WO/2019/035808A1
A method and device for sensing rotation of a fan motor, for example of a household appliance, are provided. The device has a controller with an input for sensing a current and a switch for alternately connecting the fan motor to a power...  
WO/2019/034740A1
The invention relates to a diffuser for a radial compressor, comprising a flow channel defined by a first side wall and a second side wall, a diffuser vane ring with a plurality of diffuser vanes that are at least partially arranged in t...  
WO/2019/016056A1
A control device and a method for controlling a system made up of a number of at least two fans (1) and/or fan groups for generating a defined setpoint value VG,Soll, ΔpG,soll, wherein, by changing the operating point of at least one fa...  
WO/2019/015906A1
The invention relates to a compressor device (10) for a turbocharger (100), in particular of an internal combustion engine, said turbocharger comprising a turbine wheel (98) for utilizing the energy of exhaust gas. Said compressor device...  
WO/2019/013959A1
Method and control system to control the speed of centrifugal compressors (4, 5) operating within a vacuum pressure swing adsorption process to avoid an operation at which surge can occur and directly driven by electric motors (4, 5) tha...  
WO/2019/011062A1
A method and device for controlling a base station fan, as well as a computer-readable storage medium. The method comprises: using a main fan control single board to acquire the temperature of a crucial component on each single board, an...  
WO/2019/008371A1
A power supply system for vacuum pump comprising a power supply means to supply electrical energy to the vacuum pump for operation and energy storage means connected to the vacuum pump to store energy produced by the vacuum pump during r...  
WO/2018/234681A1
The invention relates to a system for rotating a turbomachine rotor relative to a stator casing, the rotor comprising an annular row of blades. This rotating system comprises: a supporting arm (100) comprising a first end (101a) arranged...  
WO/2018/223258A1
A security-capable intelligent fan with automatic on/off, comprising: a base (1); a longitudinal rod (2) fixedly connected to the base (1); and a fan body (3) connected to the longitudinal rod (2). The fan body (3) comprises a wire mesh ...  
WO/2018/226973A1
A method for commissioning an air handler including a blower and a motor to match a ducted application in a heating, ventilation, and cooling (HVAC) system. The method including obtaining product and operational information regarding at ...  
WO/2018/218810A1
An intelligent human body induction fan, comprising: a base (1), a longitudinal rod (2) fixedly connected to the base (1), and a fan body (3) connected to the longitudinal rod (2). The fan body (3) comprises an iron wire cover, and a mot...  
WO/2018/218650A1
An axial-flow type intelligent fan, comprising a base (1), a longitudinal rod (2), and a fan body (3). The fan body (3) comprises an iron wire cover, and a motor (4) and plastic fan blades (5) which are disposed in the iron wire cover; t...  
WO/2018/221766A1
Disclosed is a fluid device having a magnetic levitation impeller, the device comprising: a stator functioning as a housing while performing a function of a field magnet so as to provide magnetic flux; a rotor for simultaneously function...  
WO/2018/217594A1
Most multistage compressors specify a maximum inlet pressure that may be supplied to the compressor to stay within designed limits. If the supply gas to be compressed is at a higher pressure than the specified maximum inlet pressure, the...  
WO/2018/210100A1
The present invention relates to a computational heat dissipation structure, a computing device comprising same, and a mine. The computational heat dissipation structure comprises a circuit board and a radiator provided corresponding to ...  
WO/2018/211525A1
The present invention discloses a temperature controlled electric fan speed regulator. The temperature controlled electric fan speed regulator comprises an alternating-current power supply, a pair of push buttons, a microcontroller, a di...  
WO/2018/210740A1
The invention relates to a conveying apparatus having an electric drive (12) with a housing (1) with an inlet opening (3) and a plurality of outlet openings (2), having a conveying element (5), which is accommodated in a rotatable manner...  
WO/2018/208874A1
A turbocharger (20) includes ported shroud compressor housing (28) disposed about compressor wheel (36) having air inlet passage (33) extending axially along and circumferentially about a longitudinal axis (A), volute base portion (50) o...  
WO/2018/207748A1
A drive shaft (20) rotationally drives a load. A drive support unit (50) rotationally drives the drive shaft (20) by an electromagnetic force generated by the passage of a current within a predetermined current range, and also supports, ...  
WO/2018/205909A1
Provided is a fan rotation speed control system, comprising a voltage stabilization circuit (U1), a voltage acquisition circuit, a voltage feedback circuit, an instruction control unit (U2), a digital-to-analogue conversion circuit and a...  
WO/2018/207767A1
A drive support unit (160, 170, 180, 250, 260, 450, 460, 621, 640, 760, 770, 780, 782, 784, 787, 840, 850) of a turbo compressor (101, 210, 410, 601, 701, 812) comprises at least one bearingless motor (160, 170, 250, 450, 640, 760, 770, ...  
WO/2018/208873A1
A turbocharger (20) includes ported shroud compressor housing (28) disposed about a compressor wheel (36), having an air inlet passage (33) extending axially along and circumferentially about a longitudinal axis (A), volute base portion ...  
WO/2018/206843A1
A method for controlling a vacuum pump comprises: measuring (101) inlet pressure of the vacuum pump, determining (102) an estimate for theoretical suction speed based on data indicative of rotational speed of the vacuum pump and data ind...  
WO/2018/200611A1
An adjusting mechanism (400) for a compressor of a charging device for the variable changing of the cross section of a compressor inlet, comprising an adjusting ring (430), a plurality of adjusting elements (420) which are rotatably moun...  
WO/2018/197174A1
Method for controlling a plural stage compressor comprising at least a first stage (10), a second stage (20) and a first inter-stage line (12) between the first stage (10) and the second stage (20), comprising the steps of: a- measuring ...  
WO/2018/195173A1
Automatic testing for control valves is provided for diagnosing of actuators, including actuators not equipped with analog or discrete position transmitters. A valve controller confirms steady-state conditions for a turbo-compressor syst...  
WO/2018/185483A1
The invention relates to a bearing preload force gauge for indicating the bearing preload force on a turbomolecular pump rotor bearing. The gauge comprises a housing, an indicator for indicating the bearing preload force, and actuator co...  
WO/2018/180337A1
A refrigeration machine control device according to an embodiment of the present invention serves to control a turbo refrigeration machine, and is equipped with a pressure reduction rate identification unit for identifying a pressure red...  
WO/2018/171086A1
A method and apparatus for simulating natural wind. The method for simulating natural wind comprises: S1, obtaining a preset periodic waveform, the preset periodic waveform being the function of a rotating speed and time and comprising a...  
WO/2018/165474A1
A compressor includes an impeller, a diffuser passage having a diffuser vane therein, and a variable geometry diffuser ring positioned between the impeller and the diffuser vane with respect to a flow of a refrigerant through the compres...  
WO/2018/157889A1
The invention relates to a method for determining an indicator for a prediction of an instability in a compressor, which is designed as an axial or radial compressor, having the following steps: operating a compressor designed as an axia...  
WO/2018/151213A1
This control device, which controls an inflow adjusting unit which quantitatively adjusts an inflow of gas to a compressor, and controls a valve provided in a second flow passage which branches from a first flow passage leading from the ...  
WO/2018/151201A1
This state quantity estimating device is configured to: calculate a total enthalpy, which is the energy imparted to air by an impeller, an adiabatic compression efficiency of a compressor, and a diffuser outlet flow velocity, which is th...  
WO/2018/145655A1
A fan apparatus (100) and a portable household fan (200) are disclosed. The fan apparatus (100) comprises a fan unit (10), including a fan body (11) and a base (12) connected to an end of the fan body (11); the fan body (11) being pivota...  
WO/2018/139102A1
A fan, as one example of a blowing device, is provided with: a microcomputer, as one example of a control unit, for executing a blowing control that generates a weak air current (21) for blowing a small volume of air, and a strong air cu...  
WO/2018/137394A1
Disclosed are an apparatus and method for diagnosing and controlling the aerodynamic stability of a compressor, which can realise research and analysis of signs of instability of the compressor, real-time warning and on-line regulation a...  
WO/2018/137019A1
A dual pump unit having a pair of pumps that provide parallel hydraulic paths, and are configured to operate concurrently in opposite rotational directions. The dual pump unit has a sealed casing which includes a suction flange, two volu...  
WO/2018/120714A1
A turnon and turnoff control method for a fan, comprising: acquiring the travel path of a user in front of a fan, and controlling the fan to turn on or turn off according to the travel path. Also disclosed is a corresponding control appa...  
WO/2018/120713A1
A fan control method and device, and a fan, the method comprising: recognizing a current target gesture of limbs of a user in front of a fan based on an infrared array sensor provided on the fan, acquiring a target control mode correspon...  
WO/2018/120782A1
A fan speed regulating device and method. The fan speed regulating device comprises: an adjusting unit (101), a collecting unit (102), and a processing unit (103). The collecting unit (102) collects current speed parameters of an externa...  
WO/2018/114074A1
Turbo compressor device having at least one turbocompressor (12) having at least one speed-regulated inverter unit (14) for actuating at least one electric motor (16) of the turbocompressor (12), and having at least one surge protection ...  
WO/2018/110457A1
The inside of a case 10 of a fluid control device 1 is partitioned into a blowing chamber 21 and a control chamber 22 by a partition wall 12. A barrier wall 13 is provided inside the blowing chamber 21, and the inside of the blowing cham...  
WO/2018/107366A1
Provided are a traction fan cooling air volume adjusting method and a device. The device comprises: an altitude acquisition module (1), which is used for obtaining an altitude where a locomotive locates, and sending the altitude informat...  
WO/2018/100951A1
A fan, as one example of a blowing device, is provided with a microcomputer, as one example of a control unit, for executing a blowing control that generates a weak air current (21) for blowing a small volume of air, and a strong air cur...  

Matches 1 - 50 out of 7,399