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WO/2020/228753A1 |
A refrigeration appliance (10) comprising a linear compressor (100), and an operation method for the linear compressor (100). The linear compressor (100) is provided with a reciprocating piston, the reciprocating piston being able to mov...
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WO/2020/229405A1 |
The invention relates to a hydraulic drive system consisting of at least two individual units (2), each of which has a hydraulic pump (14) that can be actuated by means of a drive (12) and that feeds pressurised fluid on the output side ...
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WO/2020/228331A1 |
A water pump control method, a water pump control system, an air conditioner, and a computer readable storage medium. The control method comprises: detecting the current environment temperature at which an outdoor unit works; predicting ...
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WO/2020/225860A1 |
This heat pump device (100) is provided with: a compressor (1) that compresses a refrigerant; a motor (8) that drives the compressor (1); an inverter (9) that applies a desired voltage to the motor (8); and an inverter control unit (10) ...
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WO/2020/227304A1 |
In a control system for operating a pump, the pump is pneumatically driven to pump hydraulic fluid to pressurize a closed vessel. The control system includes inlet and outlet ports, a pneumatic regulator, a pressure transducer, and contr...
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WO/2020/227462A1 |
Apparatus, systems, and methods of monitoring and controlling electric power consumption by one or more pump jacks at one or more oil and gas well sites.
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WO/2020/219277A1 |
An apparatus and method to be implemented with a control loop system that includes machine set, wherein the machine set includes a working machine, an electric motor driving the working machine, and a final control element, and wherein t...
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WO/2020/218284A1 |
Provided is a capacity control valve with which it is possible to immediately operate a CS valve body. The capacity control valve comprises: a valve housing (10) in which formed are an intake port (11) through which an intake fluid at an...
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WO/2020/218285A1 |
Provided is a capacity control valve capable of adjusting a valve opening degree in a favorable manner. The present invention is provided with: a valve housing (10) having formed therein a suction port (11) through which a suction fluid ...
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WO/2020/215033A1 |
A variable speed drive for use in connection with a beam pumping unit has a pair of DC bus rails that include a positive DC bus rail and a negative DC bus rail. The variable speed drive further comprises a rectifier section, an inverter ...
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WO/2020/213353A1 |
According to the present invention, a control pressure during an unloading operation is made variable and a desired control pressure is ensured. This gas compressor includes: a compressor body which compresses gas and discharges compre...
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WO/2020/209746A1 |
The present invention comprises a method for optimizing a diagnostic and management process for wells equipped with a sucker-rod pump through the use of an additional device in the form of a neural network unit which, by means of learnin...
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WO/2020/210144A1 |
The present disclosure describes a method and system for controlling dispensing of adhesive from an applicator. The method includes pumping adhesive from a plurality of pump assemblies to a plurality of dispensing modules and measuring c...
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WO/2020/204135A1 |
Provided is a capacity control valve that can increase responsiveness. A capacity control valve V is provided with a valve housing 10, a valve body 51, a spring 85, and a CS valve 50. In the valve housing 10, an intake port 11 through ...
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WO/2020/200208A1 |
A pump valve all-in-one machine for a pneumatic lumbar support of a car seat, comprising: an air pump (1), a pump valve connection base (2), an electromagnetic air valve lower base (3), normally open electromagnetic air valves (4), an el...
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WO/2020/204134A1 |
Provided is a capacity control valve having high responsiveness to sudden fluctuations in output. The present invention is equipped with: a valve housing 10 having formed therein a suction fluid supply chamber 16 to which a suction flu...
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WO/2020/201472A1 |
The invention relates to a method and a device for controlling the delivery rate (PQ) of a concrete pump (1) for filling a formwork arrangement (2) with a pumpable filling compound (3) in dependence on curing-relevant material and ambien...
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WO/2020/204133A1 |
Provided is a capacity control valve having a smaller number of components and the size of which can be reduced. The present invention is equipped with: a valve housing 10 having formed therein a suction port 11 through which a suction...
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WO/2020/200274A1 |
A pulse diagnosis device and a control method therefor, relating to the technical field of pulse diagnosis, and specifically aiming to solve the problem that an existing pulse diagnosis device cannot be well adapted to wrists of differen...
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WO/2020/204132A1 |
Provided is a capacity control valve having a high precision of control. A capacity control valve V comprises: a valve housing 10 in which are formed an intake port 13, through which an intake fluid having an intake pressure Ps passes,...
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WO/2020/201429A1 |
The application relates to a piston assembly (26) for an unloader valve (16) of an air compressor (2), comprising an unloader piston (28) having an end portion with a first bore (36) of a first bore diameter, an intermediate portion with...
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WO/2020/191730A1 |
A pump device and an agricultural plant protection machine, the pump device comprising: a pump body (1) provided with a liquid inlet (11) and with a liquid outlet (12); and a pressure relief device (60), the pressure relief device compri...
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WO/2020/195299A1 |
A pump capacity controller (100) comprises: a servo piston (110) that changes a tilt angle; a flow control spool (131) that is displaced according to an input pressure; a horsepower control spool (141) that is displaced according to the ...
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WO/2020/197867A1 |
A waste-reducing pumping system and method for delivering a liquid to a patient according to a predetermined therapy protocol is characterized by a stored flush mode routine executable by a processor after an end-of-therapy stoppage of a...
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WO/2020/191280A1 |
A hydraulic fracturing system for fracturing a subterranean formation includes a primary switchgear (404) arranged on a support structure (402). The system also includes a secondary switchgear (412), arranged on the support structure (40...
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WO/2020/191313A1 |
A hydraulic fracturing system (40) with damage accumulation monitoring includes a plurality of hydraulic fracturing equipment positioned at a wellsite (12), including one or more pumps (66) configured to pressurize a fracturing fluid and...
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WO/2020/184598A1 |
An embodiment of the present invention provides a control device comprising: an electric detection unit which detects an electric physical quantity relating to a head capacitor provided between a DC power supply and an inverter switching...
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WO/2020/177284A1 |
Disclosed are a control method and control system for preventing liquid hammer in a compressor (2) of an air conditioner for solving the problems that an existing method for preventing liquid hammer by presetting the suction superheating...
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WO/2020/179160A1 |
The purpose of the present invention is to increase a liquid substitution speed inside a plunger pump by setting a liquid flow velocity faster in a stagnation part of a pressure application chamber of the plunger pump. According to the p...
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WO/2020/173933A1 |
The invention relates to a hydraulic actuator comprising a variable-output positive-displacement pump (12), a member (20) allowing the output of the pump (12) to be varied continuously, the member (20) being actuated by a cylinder (40) f...
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WO/2020/173528A1 |
An apparatus for cooling water extraction for a robot installation plate is characterized by an adjustable extraction volume.
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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/2020/169308A1 |
Method for controlling the start-up of an oil pump (3) of a gearbox (1) by a brushless electric motor that has no position sensor, in which method the stator coils (S) are powered from the off mode in a constant-current open-loop control...
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WO/2020/167782A1 |
Disclosed herein is an integrated pump system in which a motor is directly coupled to a pump, preferably using a modular connection. The integrated pump system may operate in a uni-directional or bi-directional mode. The integrated pump ...
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WO/2020/166464A1 |
The purpose of the present invention is to provide an oil-lubricated fluid machine in which it is possible to sufficiently supply a necessary lubricant to a sliding surface or the like regardless of the rotation speed of a fluid machine ...
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WO/2020/161770A1 |
According to an embodiment, there is provided a speed control device for a water pump, comprising: a data collecting unit which collects first data which is set for a first rolled material to be rolled, and sets the flow rate of cooling ...
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WO/2020/161210A1 |
The invention relates to a method for operating a linear motor compressor (1) comprising an electric linear motor (14), a cylinder (2), and a linearly movable free piston assembly (16) comprising a piston (3). The cylinder (2) and the pi...
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WO/2020/162076A1 |
This fuel supply control device (10) is a fuel supply control device that generates an operation amount for feedback control of the rotation of a gear pump (3) on the basis of a deviation of a detected fuel flow rate with respect to a ta...
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WO/2020/162377A1 |
Provided is a hydraulic-pump flow-rate calibration system including: a variable-capacity-type hydraulic pump that is connected to a hydraulic actuator operated at a speed corresponding to the flow rate of a hydraulic fluid supplied there...
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WO/2020/159525A1 |
The disclosed embodiments include pump systems and methods to improve pump load predictions of pumps. The method includes determining, in a neural network, a pump load of a wellbore pump based on a physics based model of the pump load of...
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WO/2020/159849A1 |
Systems, methods, and a computer readable medium are provided for automatically controlling a pump in an oil production environment. Sensor data can be collected from pump machinery and can be used to generate an advisory statement ident...
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WO/2020/152248A1 |
The subject of the present invention is a method for the management of a piston (110) pump (10) by a computer (20) of a vehicle (1), said pump (10) comprising a guide (120), a piston (110) mounted with the ability to slide in said guide ...
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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/2020/146778A1 |
An air-operated pump, such as an air-operated diaphragm pump, includes a pump body, a process liquid pathway defined at least in part by the pump body, and an air pathway defined at least in part by the pump body, where the process liqui...
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WO/2020/142848A1 |
A method for characterizing a well for control of a pump, comprising inputting well parameters, into a processor and generating from the input well parameters a well profile, the well profile having a plurality of statistically derived v...
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WO/2020/144413A1 |
The invention relates to a method for functional diagnosis of a clutch (2) of an air-conditioning system compressor (3), the clutch (2) being associated with a driven pulley (4), a sensor detecting the vibrations of an engine block surro...
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WO/2020/146734A1 |
The present disclosure provides apparatuses and methods that integrate sensors into bioprocessing systems and, advantageously, do not require significant re-engineering of these systems. The disclosure describes an assembly for alternati...
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WO/2020/142020A2 |
The invention that is about smart pumping unit that smart pumping unit transferring the fuel is taken inside motor pump body and the pump is coupled and that can control its rpm and speed automatically and according to desired flow rate ...
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WO/2020/135501A1 |
A wirelessly-controlled compressor and a method for wirelessly controlling a compressor. The compressor (100) comprises: a housing (101); a compressor main body provided in the housing (101), the compressor main body comprising a compres...
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WO/2020/133879A1 |
A control method for positioning by combining flows of a one-way pump and a two-way pump, comprising the following steps: 1) according to process requirements, planning a position curve for an actuator and acquiring a position command Cm...
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