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WO/2022/236379A1 |
A materials handling device has a mounting frame, and vacuum modules mounted on the mounting frame. Each vacuum module has a cup, and an electrically powered vacuum pump. Each cup has a body, a rim to contact a workpiece, an internal reg...
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WO/2022/237172A1 |
A compressor (130) control method for a refrigerator (10) and the refrigerator (10). The control method comprises: obtaining the actual power and actual rotational speed of the compressor (130), and determining a rotational speed set val...
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WO/2022/237031A1 |
An air compressor pressure-regulating valve capable of conveniently regulating a pressure set interval value, the air compressor pressure-regulating valve comprising a pressure-regulating valve body (1), a balance piston (2), a pressure-...
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WO/2022/234087A1 |
The invention relates to an apparatus for compressing a gas suitable for a drive and to a method for filling a tank using said apparatus, the filling process taking place via a plurality of compression stages. During filling via a compre...
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WO/2022/235571A1 |
An unloader valve includes a seat including a plurality of inlet apertures spaced apart from one another and extending through the seat along one of a plurality of parallel inlet axes. A manifold plate is fixedly connected to the seat an...
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WO/2022/234089A1 |
The invention relates to an apparatus for compressing a gas suitable for a drive and to a method for filling a tank using said apparatus, the filling process taking place via a plurality of compression stages. During filling via a compre...
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WO/2022/234877A1 |
The present invention relates to an infant car seat comprising: an air chamber configured to have a predetermined area when air is filled therein so that an infant can be seated thereon; a control unit connected to the air chamber and pr...
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WO/2022/227829A1 |
A metering pump capable of intelligently and digitally adjusting a flow, and a working method thereof. The metering pump comprises a metering pump body, a servo motor (15), a servo motor controller (11), a PLC (12) and a display screen (...
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WO/2022/230252A1 |
This compressor comprises: a compressor unit (100) including a compressor main body for compressing a gas, and a motor for driving the compressor main body; and a control device (180) for performing number control of a plurality of the c...
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WO/2022/226026A1 |
A hydraulic circuit arrangement includes a plurality of electronically- commutated pumps (10a-10f) providing flow to a common hydraulic line (65), each of the electronically-commutated pumps provided with an associated electronically-com...
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WO/2022/222564A1 |
A method for controlling a variable frequency compressor. The variable frequency compressor comprises a controller configured to output a frequency waveform required for the operation of the variable frequency compressor. The method comp...
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WO/2022/222518A1 |
A fracturing apparatus, a control method for the fracturing apparatus, and a fracturing system. The fracturing apparatus (100) comprises a plunger pump (110), a prime mover (120), a clutch (130) and a clutch hydraulic system (140), where...
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WO/2022/224528A1 |
The present invention relates to a pump control device and a pump system. A controller 26 of a pump control device 20 performs first control for driving a motor 22 such that the rotational speed (N) of the motor 22 exceeds a target value...
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WO/2022/218010A1 |
A water pump having a safety valve, used for an oral cavity cleaning device. The water pump comprises a pump body assembly, a water pump power assembly (2) and a safety valve. The pump body assembly comprises a pump body (1), which has a...
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WO/2022/220495A1 |
The present invention provides an electric compressor comprising: a drive unit which has a motor accommodated therein; a compression unit which is provided at one side of the drive unit and driven by the drive unit to compress a refriger...
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WO/2022/218818A1 |
The invention relates to a hydraulic drive, comprising a variable-rotational-speed drive machine (2) and a hydraulic machine (4), which is coupled to said drive machine and has a displacement volume which can be adjusted to zero and both...
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WO/2022/219029A1 |
The invention relates to a system (1) for detecting leaks by means of a tracer gas intended to be connected to a sniffing probe to check the airtightness of an object to be tested filled with the tracer gas, comprising a first pumping de...
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WO/2022/220492A1 |
The present invention provides an electric compressor comprising: a driving unit accommodating a motor therein; a compression unit provided on one side of the driving unit, driven by means of the driving unit, and for compressing a refri...
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WO/2022/214638A1 |
The invention relates to an aerial work platform which comprises a chassis, a platform, a lifting structure moved by hydraulic actuators (41, 42) and a hydraulic system (S), controlled by a control unit (50) and including a circulation c...
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WO/2022/217254A1 |
Embodiments provide functionality to control real-world mechanical systems through the creation and deployment of machine learning models. An embodiment creates the machine learning model by extracting (i) an indication of efficiency and...
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WO/2022/217262A1 |
A pump health monitoring system is provided. Such a system includes one or a plurality of data capture devices that together collect a multiple variable data set relating to a device being monitored such as a water pump device for a pool...
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WO/2022/207949A1 |
The invention relates to a device (D) for controlling a hydraulic pump and for regulating/adjusting/reducing the output pressure (Pwork), comprising: a housing (H) wherein a fluid inlet (I) and outlet (O) are defined; an inlet chamber (C...
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WO/2022/212504A1 |
The exemplary embodiments control solvent pumps so that system flow is constant. One or more controllers may control the flow rate produced by the pumps over time. The one or more controllers control a first pump so that, as the first pu...
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WO/2022/210374A1 |
The present disclosure provides a fluid control device capable of detecting that a blocked state has occurred in a flow passage, and a method for detecting a blocked state. A pump unit (10) comprises: a first flow passage (11); a u-piezo...
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WO/2022/205869A1 |
A wide-area, large-scale urban drainage pump station unattended system and a construction method. The system comprises: a pump station layer (10), which is responsible for acquiring pump station information, and transmitting the informat...
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WO/2022/212481A1 |
An SMA actuated capsule micropump is provided having a linear actuation which leads to large deflection, high discharge volume, and high static head pressure. The pump is designed for drug delivery applications by introducing a replaceab...
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WO/2022/209481A1 |
The present disclosure provides: a fluid control device in which the output of a pump can be easily adjusted even when a change occurs in atmospheric pressure; and an output adjustment method. A pump unit (10) comprises: a first flow pat...
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WO/2022/209945A1 |
In the present invention, a control circuit executes a first mode, a second mode, and a third mode in sequence as a specific pattern control. In the first mode, the control circuit closes a u-valve (17), drives a u-piezoelectric pump (12...
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WO/2022/212555A1 |
A spraying system for applying an application fluid having an induction manifold, a hose reel subsystem, a pump element disposed between the manifold and the hose reel subsystem, an application fluid subsystem having a plurality of reser...
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WO/2022/202423A1 |
This electric pump 1 comprises: a motor part 3; a pump part 2; a housing 5 which accommodates the motor part 3 and the pump part 2; an intake port 63 and a discharge port 65 which are formed in a surface of the housing 5; an intake pipel...
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WO/2022/201685A1 |
A decompression system 3 comprises an electric pump 7 that decompresses a primary-side space with respect to a secondary-side space and a control device that controls the motor 7M of the electric pump 7, wherein the control device 8 comp...
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WO/2022/198818A1 |
A control method and control apparatus applied to electrically driven fracturing equipment The electrically driven fracturing equipment (100) comprises a plunger pump (200) and a first motor (110) for driving the plunger pump (200). The ...
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WO/2022/200092A1 |
Method for controlling a compressor (10) which drives a pneumatic tool, with a maximum allowed pressure (p_max) and an associated compressed air consumption (q_max), the method comprising the step of regulating the operating pressure (p_...
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WO/2022/196961A1 |
The invention relates to a housing unit (1) for an electronic component, in particular for an inverter of an electrical refrigerant compressor, wherein the housing unit (1) comprises a first housing element (2) and a second housing eleme...
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WO/2022/196416A1 |
A compressor 1 comprises: a compressor main body 2 which sucks in and compresses gas to be compressed; heat exchangers 11, 12 for cooling a cooling target while circulating the same through the interior thereof; a fan 14 which is driven ...
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WO/2022/193998A1 |
A motor pump, comprising: a variable speed motor (1) provided with a motor controller (2) and a motor shaft (3); at least one variable displacement pump (4, 5) driven by the motor shaft; and a control unit (8) for obtaining the current o...
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WO/2022/194202A1 |
A full-electric drive cementing control system, comprising: a water supply system for supplying clear water; an ash supply system for supplying dry ash; a slurry mixing system for performing a slurry mixing operation to form slurry; a pl...
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WO/2022/189192A1 |
Computer-implemented method for detecting condensate in an oil system (2) of a compressor (1 ), having an inlet (4) and an outlet (5), characterized in that the method comprises these steps: - determining the humidity at the inlet (4) an...
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WO/2022/189201A1 |
The invention relates to a method for operating a construction-material and/or viscous-material pump (1) for conveying construction material and/or viscous material (BDS), - wherein the method has the steps of: a) determining a required ...
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WO/2022/191829A1 |
The present disclosure is drawn to microfluidic valves and microfluidic devices that include the microfluidic valves. In one example, a microfluidic valve can include a microfluidic channel, a solid gas-generating material in the microfl...
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WO/2022/187879A1 |
The invention relates to a device for controlled supply of high-pressure fluid. In order to minimise the disadvantages of the prior art with regard to a complicated structure, notable wear and complex controllability at low speed and to ...
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WO/2022/187072A1 |
A technique for monitoring valve and pump efficiencies for positive displacement pumps. The techniques include utilizing a data acquisition system to attain intake and discharge pressure data in combination with real-time encoder positio...
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WO/2022/187522A1 |
A method for increasing the performance of a thermoelectric system with one or more thermoelectric assemblies to provide heating, cooling, and ventilation through electrical pulsing. The thermoelectric assemblies are individually control...
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WO/2022/186752A1 |
A hydraulic system (400) for a construction machine, the system comprising a hydraulic pump (410), a hydraulic tank (420), one or more actuator control valves (430, 440) arranged to control respective actuators on the construction machin...
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WO/2022/186753A1 |
A control unit (150) for controlling a hydraulic system on a construction machine (100), where the hydraulic system comprises a hydraulic pump arrangement with an electric drive motor configured to drive a hydraulic pump at a controllabl...
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WO/2022/186438A1 |
An inverter circuit for driving a compressor is disclosed. The inverter circuit according to the present specification comprises: a power supply unit; a rectifying unit for converting an alternating-current voltage of the power supply un...
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WO/2022/186245A1 |
This fluid control device (10) comprises a pump (20) and a narrow path (30). The pump (20) conveys a fluid in a predetermined direction. The narrow path (30) is connected in series to the pump (20) along a flow path of the fluid.
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WO/2022/182334A1 |
A pulsatile fluid pump system for driving a fluid pump assembly includes a reciprocating linear motor having a magnet and a coil, the magnet moving in relation to the coil, the coil having an electrical input. The pulsatile fluid pump sy...
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WO/2022/182819A1 |
A user interface (104) communicatively coupled with a fluid-moving pump (206) and includes at least two interactive regions (106a, 106b) for receiving user input to control the fluid-moving pump. The user interface may be attached to the...
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WO/2022/175121A1 |
The invention relates to a pump apparatus (102) for an electrohydraulic power steering mechanism (105) for a vehicle (100), comprising a hydraulic pump (110), a working line (115), a pressure generating device (120), a first control line...
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