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Matches 1 - 50 out of 7,471

Document Document Title
WO/2019/119761A1
A method for activating a heat dissipation fan comprises: using a first drive voltage to drive a fan (S10); detecting a rotation speed of the fan (S30); and if the rotation speed of the fan is zero, switching the drive voltage of the fan...  
WO/2019/123924A1
In order to reduce the effect of foaming occurring in an oil tank on a compressor, an oil pump control unit (50) is applied to a turbo refrigerator comprising an oil tank that stores lubrication oil supplied to a compressor and a variabl...  
WO/2019/113856A1
The invention relates to a smart fan-state real-time detection system and method, said system comprising at least one fan and a fan power driving unit, further comprising a fan rotation speed monitoring unit, a data processing center and...  
WO/2019/117318A1
The ceiling fan according to the present invention has partition plates installed respectively at one side and the other side of the inner space of a case, so that a first space and a second space are formed at the one side and the other...  
WO/2019/116012A1
A turbomolecular pump and method and apparatus for controlling the pressure in a process chamber using such a pump is disclosed. The turbomolecular comprises: a rotor comprising a plurality of blades on a rotatable shaft; a control motor...  
WO/2019/110394A1
The present disclosure describes a system (10) and method (1000) for varying pressure from a pressure generator without pressure generator motor speed variations. The system comprises a pressure generator housing (12), a centrifugal comp...  
WO/2019/112510A1
A compressor housing (1) for a turbocharger (3) is disclosed. The compressor housing (1) is configured to accommodate a compressor wheel (5) arranged to rotate in the compressor housing (1) around an axis (7). The compressor housing (1) ...  
WO/2019/106682A1
This invention relates to a flow control apparatus and in particular, this invention relates to a flow control apparatus by which outside air is coming from outside to inside. More particularly, this present invention relates to a flow c...  
WO/2019/102443A1
Air assemblies (1000,2000,3000,4000,5000) having an inflation, a deflation, and a closed state for use with inflatable products, such as air mattresses. Specifically, air assemblies (1000,2000,3000,4000,5000) can be changed manually by a...  
WO/2019/102812A1
Provided is a compressed gas production device with which it is possible to reduce maintenance cost in correspondence to the total operation time of a plurality of gas compressors. A control device 4 includes a total operation time estim...  
WO/2019/093799A1
The present invention relates to a fan structure capable of reproducing a sound and changing a blade pitch, and a control method therefor. A fan according to the fan structure comprises: a pivot shaft (51) extending radially from a hub (...  
WO/2019/093567A1
The present invention relates to a portable neckband-type blower. A portable neckband-type blower according to an embodiment of the present invention comprises: a body part worn around a user's neck; a blowing part rotatably connected wi...  
WO/2019/089507A1
Systems and methods are disclosed of an engine driven power system that includes a permanent magnet generator electrically connected to an energy storage device. An air compressor is coupled to the permanent magnet generator via a clutch...  
WO/2019/086225A1
Method for controlling a compressor comprising a last stage (40) and a compressor load controller (90), a set point outlet pressure corresponding to the consumer needed pressure, being given in the load controller (90) comprising the ste...  
WO/2019/078865A1
A rotating machine (200) includes a housing (205), a shaft (230) supported in the housing (205) and having a bore (235) defined therein, and a sensor module (100) positioned in the bore (235). The sensor module (100) includes one or more...  
WO/2019/078402A1
The ceiling fan according to the present invention is installed on the ceiling of an interior space and circulates air, the ceiling fan having a plurality of divided spaces formed inside a case, wherein: the spaces are separated into a p...  
WO/2019/079276A1
Illuminating fans for loading docks are disclosed. An example illuminating fan includes a housing defining an airflow chamber and an electrical chamber divided by an internal wall of the housing. The illuminating fan also includes a fan ...  
WO/2019/074752A1
A centrifugal compressor (22) for a chiller system (10) includes a casing (30) having an inlet portion (31 a) and an outlet portion (31 b), a recirculation structure (50) including a recirculation path (52) and a recirculation discharge ...  
WO/2019/064948A1
Provided is a compressor for use in a gas well which produces natural gas, wherein the compressor controls the operating state of an impeller to suppress a reduction in the efficiency and the range of operation when liquid contamination ...  
WO/2019/063395A1
The invention relates to a radial ventilator (1) comprising a ventilator wheel (2), a motor which drives the ventilator wheel, and a ventilator housing (3). The radial ventilator (1) has a suction side (S), which is on the suction side w...  
WO/2019/060130A1
A fan system is disclosed that includes a braking mechanism for physically stopping rotation of a fan rotor. The braking mechanism is activated when the fan system is at least partially removed from a chassis or enclosure or when the cha...  
WO/2019/057446A1
The invention relates to a method for operating a turbomachine and to a turbomachine. The method comprises the following steps: i) capturing at least one value indicative of an axial position change of a shaft (540) of the turbomachine (...  
WO/2019/056936A1
A fan control method and system, and an air conditioner, the fan control method comprising: turning off a first bridge arm set used in an inverter of the fan (S100); applying a preset drive signal to a second bridge arm set in the invert...  
WO/2019/058117A1
A drag pump for pumping gas and a set of vacuum pumps including the drag pump are disclosed. The drag pump comprises: a rotor configured to rotate within a stator component and to drive a gas to be pumped from a gas inlet to a gas outlet...  
WO/2019/057326A1
The invention relates to an air-conducting section for an exhaust gas turbocharger. The air-conducting section (1) is designed such that a fluid can flow through it, and a wheel chamber (6) is designed to receive a compressor wheel (4) h...  
WO/2019/060751A1
A diffuser system for a centrifugal compressor is provided.. The diffuser system includes a nozzle base plate (206) that defines a diffuser gap (212), support blocks (216, 246), and a drive ring (220) rotatable relative to the support bl...  
WO/2019/052729A1
The invention relates to a radial compressor (30) comprising an iris diaphragm mechanism (50) for a charging device (1) of an internal combustion engine. The invention additionally relates to a charging device (1) comprising a radial com...  
WO/2019/052760A1
The invention relates to a compressor (30) for a charging device (1) of an internal combustion engine, having: - a compressor housing (31) in which a compressor wheel (13) is rotationally fixed to a rotatable rotor shaft (14); - an air s...  
WO/2019/052731A1
The invention relates to a radial compressor (30) having an iris mechanism (50) for a supercharging device (1) of an internal combustion engine. The invention also relates to a supercharging device (1) having such a radial compressor (30...  
WO/2019/052727A1
The invention relates to a compressor (30) for a charging device (1) of an internal combustion engine, having - a compressor housing (31), in which a compressor wheel (13) is rotationally fixed to a rotor shaft (14); and - a fresh air su...  
WO/2019/052730A1
The invention relates to a radial compressor (30) for a charging device of an internal combustion engine, for example a turbocharger. The radial compressor has a compressor wheel (13), which is arranged in a compressor housing (31) and i...  
WO/2019/052728A1
The invention relates to a compressor (30) for a charging device (1) of an internal combustion engine, having: - a compressor wheel (13) which is rotationally fixed to a rotor shaft (14); - an air supply channel (36) for conducting an ai...  
WO/2019/052732A1
The invention relates to a compressor (30) for a charging device (1) of an internal combustion engine. An iris diaphragm mechanism (50) is arranged upstream of the compressor wheel (13). An actuator (61) is provided which is mechanically...  
WO/2019/051547A1
The present invention relates to the modulation of the flow rate of a body of water pumped through a conduit by a fixed speed pump. Pump control devices may comprise a drive converter to alter the operation of a pump drive driving the fi...  
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 ...  

Matches 1 - 50 out of 7,471