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WO/2020/189565A1 |
Provided is a magnetic bearing device which is provided with a machine learning device and can suitably control the position of a body to be supported. The machine learning device learns a control condition of the magnetic bearing device...
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WO/2020/177138A1 |
A fan speed regulation method and apparatus, and an electronic device. The method comprises: obtaining feature information and working current of each heating device (1); selecting a current tachometer matching the feature information; a...
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WO/2020/174227A1 |
A turbomolecular pump and method of measuring pressure at the inlet of such a pump are disclosed. The turbomolecular pump comprises: control circuitry for controlling a motor for driving a rotor of the pump and a sensor for sensing a fre...
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WO/2020/175101A1 |
This blower device comprises a blower fan (19a), a functional component introduction part (33), a distance sensor (41), and a control unit (21). The blower fan (19a) generates an airflow in a predetermined direction. The functional compo...
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WO/2020/169976A1 |
A vacuum pumping apparatus (10) and method are disclosed. The vacuum pumping apparatus comprises: a common pumping line (90A- C) having a plurality of pumping line inlets and a pumping line outlet, each pumping line inlet being configure...
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WO/2020/168749A1 |
A magnetic levitation centrifugal compressor and an air conditioner. The magnetic levitation centrifugal compressor comprises a spindle (12), a housing (13), an axial thrust bearing (1), a first axial bearing stator (2), a second axial b...
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WO/2020/167666A1 |
An HVAC system including a multi-capacity compressor, and a control system for the multi-capacity compressor are described herein. The control system includes an AC line voltage source, a variable-voltage variable-frequency drive, and a ...
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WO/2020/163550A1 |
An antisurge controller for a turbocompressor system stores multiple control algorithms in a memory for the antisurge controller. The antisurge controller identifies capabilities of fi eld devices in the turbocompressor system. The field...
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WO/2020/152425A1 |
The invention concerns a method for monitoring the operating state of a system for positioning variable-geometry members (18) of a turbomachine (10), the members (18) being configured to travel over an operating area comprising a first p...
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WO/2020/147236A1 |
An electric control assembly and an air conditioner. The electric control assembly comprises an electric control panel (100), a fan driving circuit (20), a compressor driving circuit (10) and a switch isolation driving circuit (30); the ...
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WO/2020/147474A1 |
Provided is a portable air-blowing device which can be worn on the human body, mainly equipped with a wearing component (6), a power supply (4), a control switch (5), a speed regulating component, and an electric fan, or is provided with...
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WO/2020/147987A1 |
The invention relates to a volume flow rate detection device of a fan comprising a motor (M) having a speed controller (D) and at least one microcontroller (10), wherein the speed n of the motor (M) is input at an input of the microcontr...
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WO/2020/146387A1 |
A control system is provided for an electric motor configured to drive a fluid moving apparatus to generate a fluid-flow. The control system includes a drive circuit configured to regulate power supplied to a stator of the motor to turn ...
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WO/2020/134987A1 |
A fan, a humidifier, and an air conditioning system, the fan comprising a fan base, a transmission wire coil, and a control circuit. An accommodating space is formed at an inner part of the fan base, and a receiving area for placing a wi...
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WO/2020/126223A1 |
The invention relates to a side-channel compressor (1) for a fuel cell system (37) for conveying and/or compressing a gaseous medium, in particular hydrogen, comprising a housing (3) and a drive (6), a compressor chamber (30) which exten...
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WO/2020/126224A1 |
The invention relates to a side-channel compressor (1) for a fuel cell system (37) for conveying and/or compressing a gaseous medium, in particular hydrogen, comprising a housing (3) and a drive (6), a compressor chamber (30) which exten...
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WO/2020/124941A1 |
A real-time on-line prediction method for the service life of a fan. Said method comprises: obtaining an operating environment temperature of a fan in real time; by taking a period of time Δt during the use of the fan as a time period, ...
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WO/2020/115405A1 |
The method for detecting a rotating stall comprises; - a step (E90, E100) of determining a level of variation of a static pressure in a combustion chamber of the turbojet engine around an average value of this static pressure; - a step (...
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WO/2020/111653A1 |
The present invention relates to a turbo blower capable of operating in a surge area and, more specifically, to a turbo blower capable of operating in a surge area, which operates for a certain period of time in a surge area as well as i...
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WO/2020/111654A1 |
The present invention relates to a turbo compressor capable of operating in a surge region and, more specifically, to a turbo compressor capable of operating in a surge region, wherein the turbo compressor can operate during a predetermi...
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WO/2020/104199A1 |
The invention relates to a radial compressor (1), in particular for motor vehicles, and to a method for operating the radial compressor (1), which make it possible to keep the axial forces on the axis of rotation (105) of the radial comp...
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WO/2020/099027A1 |
The invention relates to a diagonal fan (1), comprising an electric motor (10), a housing (11) and a diagonal impeller (12), which is accommodated within the housing (11) and can be driven by means of the electric motor (10) and the diag...
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WO/2020/099183A1 |
The invention relates to a diagonal fan (1), comprising an electric motor (10), a housing (11), and a diagonal impeller (12), which is accommodated in the housing (11) and can be powered via the electric motor (10), the diagonal flow of ...
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WO/2020/101973A1 |
A target volume evacuation system includes a turbo compressor and a vacuum pump, the system being operable in a first configuration to reduce the target volume pressure from ambient to a first intermediate pressure, e.g. between 200 mbar...
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WO/2020/095137A1 |
Fluid pump device provided with a fluid pump element with a drive (3) and further provided with a control unit (18) that is connected to a pressure sensor (17) configured to measure the pressure of the fluid, downstream from the fluid pu...
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WO/2020/090642A1 |
This environmental control system (10) is provided with: a blower (20) which blows air towards a subject (200); and a control device (120) which, at a prescribed timing, switches between first control, which prioritizes action of the sym...
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WO/2020/090641A1 |
This environmental control system (10) is provided with: a blower (20) which blows air towards a subject (200); and a control device (120) which performs control for prioritizing action of the sympathetic nervous system of the subject (2...
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WO/2020/082825A1 |
A head shaking assembly and a tower fan comprising same. The head shaking assembly comprises a driving portion (2), a driven portion (3), a control portion, and a first detection component (4); the driving portion (2) drives the driven p...
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WO/2020/077826A1 |
A fan (100), comprising: an impeller assembly (10), said impeller assembly (10) comprising a first impeller (11) and a second impeller (12), the first impeller (11) comprising a first hub (111) and a plurality of first blades (112), and ...
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WO/2020/075520A1 |
This blower device (1) has: a panel (3); a frame member (5) arranged so as to surround the panel (3); a plurality of fans (11) that blow air outward from a plurality of blow out ports (13) of the frame member (5); a control unit (7) for ...
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WO/2020/071780A1 |
The present invention relates to a multi-purpose mini fan. The present invention comprises: a body unit which has an inner space formed in a rectangular shape and has at least one part open; a blade unit accommodated in the inner space; ...
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WO/2020/062238A1 |
A fan rotational speed adjustment method, apparatus and device, a storage medium and a program product. The adjustment method comprises: acquiring an ambient temperature and a chip temperature of an electronic device; and according to th...
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WO/2020/066629A1 |
The objective of the present invention is to facilitate notification of an identified cause of gas compressor abnormality, countermeasures therefor, and the like. This gas compressor is equipped with: a compressor main body that compress...
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WO/2020/059130A1 |
A hydraulic drive fan control device (21) is provided with: a variable capacity type hydraulic pump (2); a hydraulic motor (6) driven by pressure oil from the hydraulic pump (2); a hydraulic drive fan (7) driven by the hydraulic motor (6...
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WO/2020/054525A1 |
Provided is a blower device in which the decrease in air amount or static pressure in the overall device when one blower fails can be reduced. In the present invention, a fan (1) is provided with a first blower (11) and a second blower (...
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WO/2020/043050A1 |
A three-in-one outlet vent structure for a blower. A flow mixing plate (11) is disposed in an installation housing (1). The flow mixing plate (11) divides the installation housing (1) into a bypass chamber (12) and a vent valve chamber (...
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WO/2020/043772A1 |
The invention relates to a method for detecting the state of operation of a rotating machine, in particular a centrifugal pump, comprising at least one first temperature sensor for detecting a change in temperature in or at at least one ...
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WO/2020/039872A1 |
This ceiling fan comprises a shaft anchored to the ceiling, a motor anchored to the shaft, blades that are rotated by the motor, a receiver, a controller, and a power source input unit. The receiver receives an operating mode signal, for...
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WO/2020/035444A1 |
A method of operating a system (16) for pumping a fluid, which system comprises a pump (17) comprising a suction side (18) and a discharge side (19); a motor (20) for driving the pump, which motor is drivingly connected to the pump via a...
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WO/2020/034627A1 |
A fan speed control method and apparatus. The control method comprises: acquiring, according to a server part temperature, a first PWM value of a fan by means of a PID regulation algorithm, acquiring a second PWM value of the fan by mean...
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WO/2020/035993A1 |
Provided is a control device that detects an abnormal operation state of a compressor in a parallel refrigerator. This control device, provided on a refrigerator that comprises a plurality of compressors connected in parallel, detects th...
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WO/2020/036805A1 |
A system for predicting a surge of a centrifugal refrigeration compressor including a signal capturing module for capturing at least two signals relevant to the centrifugal refrigeration compressor; a feature extracting module defining a...
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WO/2020/029436A1 |
A compressor impeller with a rotating shaft radial pressure detecting function, the compressor impeller comprising an impeller body (1). The impeller body comprises a chassis (2), a rotating shaft connecting hole (3), a circular truncate...
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WO/2020/025754A1 |
The invention relates to a vacuum pump, comprising a housing (12) having an inlet (14) and an outlet (15), a rotor (16, 20) being arranged in the housing (12) in order to convey a gaseous medium from the inlet (14) to the outlet (15). Fu...
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WO/2020/025607A1 |
The invention relates to a radial compressor (5) for a charging unit (2) of an internal combustion engine (1), to a corresponding charging unit (2), and to an internal combustion engine (1) having a corresponding charging unit (2). The r...
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WO/2020/028368A1 |
A wall-mounted fan, such as used in residential settings, includes a base, an arm, and a housing. The housing includes an oscillator motor and a fan blade motor that may be operated at variable speeds. The arm connects the housing to the...
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WO/2020/021943A1 |
A ceiling fan (100) comprises a shaft secured to a ceiling, a DC motor (2) secured to the shaft, vanes rotated by the DC motor (2), a power source input unit that supplies electric power to the DC motor (2), a current detection unit (13)...
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WO/2020/021942A1 |
A ceiling fan (1) is provided with: a support column portion; a motor (3); a blade portion; a person detection unit (5); and an operation control unit (6). The operation control unit (6) is provided with an activity amount calculation un...
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WO/2020/023149A1 |
Thermal management devices and systems, and corresponding methods of cooling computing devices are described herein. Such devices, systems, and methods may be advantageous in providing optimal thermal and/or minimizing acoustics in the c...
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WO/2020/019800A1 |
A multi-flow rate blower comprises: a housing, multiple impellers (4) connected in series and mounted inside the housing, a main shaft (3) for driving the impellers (4) to rotate, and an air inlet end bearing seat (5) and an air outlet e...
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