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Patent Searching and Data


Matches 1 - 50 out of 7,306

Document Document Title
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...  
WO/2018/096239A1
Bypass turbomachine (30) comprising a system (46) for bleeding gas from a primary stream to a secondary stream, said system comprising two coaxial rings (54, 56) extending one around the other, a perforated internal first ring (54) situa...  
WO/2018/097906A1
Various embodiments provide a compact, portable dunnage bag inflation system that provides an air source that is easily carried by a user via a wearable container. Generally, the dunnage bag inflation system includes a portable dunnage b...  
WO/2018/091269A1
The invention relates to a compressor (22) comprising a housing (36) which forms a flow chamber in which a compressor impeller (30) is rotatably mounted, and an inlet channel (40) which joins a compressor inlet to the flow chamber. A tub...  
WO/2018/089998A1
A pumping system featuring a pump, motor, a bearing assembly, integrated data acquisition system and combined programmable logic controller (PLC), data acquisition and modem. The pump couples to a pump shaft that responds to a pump shaft...  
WO/2018/080983A1
A diffuser for a centrifugal compressor and a centrifugal compressor having the same. The diffuser (100) comprises a drive component (110), a transmission assembly (120), an adjustment assembly (130), a spool valve assembly (140) and a r...  
WO/2018/076767A1
A fan and a control method therefor. The fan comprises: a first motor (20) and a second motor (20); a human body sensing module (30), used for collecting position information of a user; a temperature measuring module (40), used for measu...  
WO/2018/076128A1
Disclosed is a test scheme for automatically switching from a variable frequency to a power frequency for a primary draught fan in a large unit. When the primary draught fan runs in a power frequency state, dynamic data collection is per...  
WO/2018/068401A1
A wind speed regulation device for an atmospheric water generator, comprising a fan (1); the fan (1) is driven by a fan driving mechanism (2), and the driving mechanism (2) is connected to a control unit (3); the control unit (3) outputs...  
WO/2018/060588A1
Flow deflector (4) for a discharge valve system (1) of a dual-flow turbo-engine compressor. The flow deflector (4) comprising a wall (5) provided with a plurality of ejection channels (6) capable of discharging a discharge air flow (FC)....  
WO/2018/059048A1
A fan and an oscillation control method therefor, the fan comprising an oscillation mechanism (10), and the method comprising the following steps: after a fan enters a person-sensing mode, causing the fan to scan and detect whether a per...  
WO/2018/059050A1
A fan and a switch on/off control method and apparatus thereof, the method comprising the following steps: detecting in real time the degree of vibration to which the fan is subjected in order to produce a first vibration amount; determi...  
WO/2018/061076A1
A control device for a rotary machine driven by a turbine output torque, that is, output of a turbine, and an electric motor output torque, that is, output of an induction motor. The control device for the rotary machine is provided with...  
WO/2018/059049A1
A fan and a control method and a device therefor. The method comprises the following steps: detecting, in real time, the vibration level acting upon a fan to generate a first vibration amount; acquiring the number of times that the first...  
WO/2018/059231A1
A fan and a wind speed control method therefor. The fan comprises a fan body (10) and a base (20). The fan body (10) is oscillatably mounted on the base (20). The method comprises the following steps: detecting whether a person is in fro...  
WO/2018/054916A1
A technique for controlling a rotating stall in a compressor of a gas turbine engine is presented. In the technique a flow injection is introduced into an axial air flow path of the compressor via a flow-injection opening located at a pr...  
WO/2018/054546A1
The invention relates to a method (100) for operating a turbo compressor (1), wherein a surge limit control line (SP) is established in a compressor characteristic diagram (10), which has an unstable region (IR) that is defined in relati...  
WO/2018/054508A1
The invention relates to an internal combustion engine (5) comprising exhaust gas turbo chargers (1, 3) operating in parallel, of which one can be switched on and off via a charging air blocking device (43) with a charging air blocking e...  
WO/2018/050347A1
The invention relates to a turbocharger (1) for an internal combustion engine, which has a bearing housing (41), in which a rotor shaft (14) is rotatably mounted; a compressor (30) having a compressor wheel (13), which is arranged for co...  
WO/2018/047767A1
This fluid control device (10) has a fan (22), a motor (23) which drives the fan (22), and a control unit (30) which controls the motor (23). A fan case (21) for accommodating the fan (22) has: a suction opening (21a) into which fluid is...  
WO/2018/046818A1
The invention relates to an electric actuator for air intake flaps of a gas turbine engine comprising a fixed part (104) attached to a stationary part of the engine and a moving part (102) mechanically connected to the air intake flaps, ...  
WO/2018/040447A1
A gas water heater and a security control system and method therefor. The system comprises: an exhaust blower (10), used for discharging exhaust gas generated when a gas water heater is ignited; a rotation speed detection unit (20), used...  
WO/2018/040628A1
A Bluetooth ceiling lamp fan (100), comprising: an AC/DC circuit (1) for connecting an alternating current and converting same into a direct current; a fan speed change circuit (2) used for adjusting the rotational speed of a fan (3) and...  
WO/2018/040446A1
A gas water heater and a security control system and method therefor. The system comprises: an exhaust blower (10), used for discharging exhaust gas generated when a gas water heater is ignited; a rotation speed detection unit (20), used...  
WO/2018/042974A1
The present invention provides a CPAP device which is used for positive airway pressure and which changes the pressure of a gas to be supplied at desired timing. The CPAP device has a fan and a control unit 30 for controlling rotation of...  
WO/2018/040433A1
Disclosed are a gas water heater and a safety control system and method therefor. The system comprises: an air exhauster (10) used to exhaust waste gas produced during combustion by a gas water heater; a rotary speed detection unit (20) ...  
WO/2018/045153A1
A turbocharger includes a compressor and an airflow adjustment assembly. The airflow adjustment assembly includes a plurality of guide vanes. Each of the plurality of guide vanes has a guide tip and a guide base spaced from the guide tip...  
WO/2018/036802A1
The invention relates to a radial fan having a housing, in which a motor-drivable fan wheel is arranged, which during operation generates an air volume flow. The housing is provided with a blow-out portion (4), in which an impeller (5) i...  
WO/2018/038710A1
The speed of a pump may be controlled to reduce cavitation and to reduce flow and pressure fluctuation in the pumped fluid. A system for pumping a fluid may comprise a pump, a primary mover coupled to the pump, and a controller coupled t...  
WO/2018/037465A1
This heat pump apparatus is provided with an outdoor heat exchanger, a fan that introduces outside air into the outdoor heat exchanger, and a control device that controls the defrosting operation of the outdoor heat exchanger, wherein: t...  
WO/2018/032895A1
An air supply method for a fan device and a fan device are provided. The method comprises: a fan device obtaining a sound from its surroundings in real time and sending the sound to a microphone sound card (42); the microphone sound card...  
WO/2018/035076A1
A self-checkout system comprises a cabinet housing, the cabinet including a ventilated region; a point of sale (POS) station at the cabinet housing, the POS station including heat-generating components, the ventilated region of the cabin...  
WO/2018/034393A1
More specifically, the present invention provides: an air circulation unit including a housing, of which both ends facing each other are open, and a circulation fan arranged inside the housing; and a wind direction changing unit for adju...  
WO/2018/033356A1
The invention relates to a bearing device (90), a compressor (15), and a method. A first radial bearing element (150) is measured at least in the radial direction, and an axial distance of the first axial bearing element (175, 180) to th...  
WO/2018/033945A1
A magnetic bearing device is provided with magnetic bearings (21, 22) that have multiple electromagnets (51-54), and is provided with displacement sensors (31, 32) for outputting output signals corresponding to the displacement of a rota...  
WO/2018/027672A1
An oscillation distance-variable smart fan, comprising: a fan body (1), a control chip, and a passive infrared sensor (2); the passive infrared sensor (2) is located on an oscillating portion of the fan body (1); the control chip serves ...  

Matches 1 - 50 out of 7,306