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WO/2022/107500A1 |
Provided is a technology for reducing the capacity of a liquid feeding pump and enabling liquid feeding with little pulsation. A liquid feeding pump according to the present disclosure is provided with: a first plunger pump having a firs...
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WO/2022/105697A1 |
A drive system for a medical vacuum negative-pressure machine, comprising: an input power supply (1), an MCU controller (9), a power amplifier circuit (5), a negative-pressure pump assembly (6), and an air pressure acquisition circuit (7...
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WO/2022/100884A1 |
PROBLEM: To provide a calibration system for variable capacity hydraulic pump capable of improving flow rate control accuracy. SOLUTION: A calibration system (2) for variable capacity hydraulic pump comprises a variable capacity hydrauli...
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WO/2022/101341A1 |
Disclosed is a method for controlling a load-sensitive hydraulic pump (12) of a hydraulic drive of a working machine, wherein: the drive is provided with the hydraulic pump (12) for supplying pressure medium to a consumer (14) of the dri...
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WO/2022/101477A1 |
The invention refers to a microfluidic flow rate control device for controlling a flow rate of a fluid flowing through a microfluidic conduit. The control device comprises an inlet terminal for fluid input and an outlet terminal for flui...
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WO/2022/099220A1 |
Devices and methods for operating a diaphragm compressor. Embodiments of the present disclosure comprise an oil piston being driven to pressurize work oil against the diaphragm of the compressor. In embodiments, an injection pump provide...
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WO/2022/099213A1 |
Provided for may be a motor speed control apparatus for use with a piston pump. The piston may be adapted to create a plurality of compressions and the piston may have a compression path and a decompression path. Further, the piston cyli...
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WO/2022/099214A1 |
Provided for may be a pump failsafe apparatus for use with a pump motor, the pump failsafe apparatus comprising a foot pedal configured to generate a first signal when depressed and a second signal when released. The apparatus may compri...
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WO/2022/091054A1 |
A thermal management system (100) comprising: a plurality of conduits fluidly connected together and configured to allow a cooling fluid to flow therethrough, the plurality of conduits comprising a cooling fluid inlet (102) configured to...
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WO/2022/089786A1 |
A pump (100, 200) includes a motor (130) configured to actuate a pumping action of the pump (100, 200) on receiving a power supply (110). The pump (100, 200) includes a controller (120) communicably coupled to the motor (130). The contro...
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WO/2022/090442A1 |
A gas compressor unit for oil wells, comprises a base (101), a motor (104), a cylinder (110), and a double-acting piston which moves inside the cylinder driven by a crank and connecting rod mechanism. A valves framework (122) is affixed ...
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WO/2022/084072A1 |
The invention relates to a pump (1) for fluid to be pumped from a fluid supply, the pump (1) comprising a pump body (300) having: - a first end (302) from which at least one intake manifold extends and leads into a fluid chamber (301) to...
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WO/2022/082319A1 |
A submersible downhole pumping system is provided. The pumping system is designed so that all fluid conduits and electrical signal conduits are internalized within a pumping assembly. This design provides a substantially constant and sli...
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WO/2022/078758A1 |
The invention relates to a method for ascertaining leaks of a pump (10) comprising at least one displacement element (12) which displaces the medium to be pumped into a pressure line (20). The method has the steps of: a) blocking the pre...
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WO/2022/080157A1 |
This monitoring system comprises: a monitoring device that detects the value of a monitored item of a monitored machine; and a higher-level apparatus. The monitoring device can store inherent information including a threshold value for t...
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WO/2022/076139A1 |
In one example, an application system has a material supply system, a plurality of dispensers, a plurality of pumps, and a controller. The supply system can supply the liquified material to the pumps. The pumps can pump the liquified mat...
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WO/2022/069147A1 |
The invention relates to a method for monitoring the oil level of an oil-lubricated compressor, comprising the following steps: reading at least one oil level sensor (21, 21a, 21b), by means of which an oil level representing the compres...
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WO/2022/068546A1 |
Provided in the present application are a method and device for controlling a drainage pump, an apparatus and a storage medium. The method comprises: acquiring electric motor operating parameters of an electric motor of a drainage pump d...
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WO/2022/069229A1 |
Method for operating a pump system preferably comprising more than one pump, comprising the steps of: Obtaining at least one target parameter to be optimized based on target values of each pump; Obtaining an operation target, wherein the...
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WO/2022/064474A1 |
A device (4) [and a method] for changing the compression ratio of a reciprocating compressor (3) comprising a plurality of compression chambers (2i) pneumatically connected between an inlet port (40) and an outlet port (50), wherein a pl...
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WO/2022/063143A1 |
An inflation device for use in entertainment scenarios, comprising an air pump device and inflating/exhausting pipelines. The air pump device comprises at least one air pump (1); the air pump device is externally provided with at least o...
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WO/2022/065072A1 |
Provided is a gas compressor which suppresses a delay in the supply of compressed gas when returning from no-load operation to loaded operation, and which reduces power consumption. An air compressor 1 is provided with: an electric mot...
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WO/2022/064762A1 |
[Problem] To provide a pump in which an overheat detecting element is disposed efficiently. [Solution] This pump 101 includes an electromagnet 112 for causing a piston 114 to reciprocate, and a first casing member 116 which at least part...
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WO/2022/067150A1 |
A pump performance data logging system is provided. The pump performance data logging system comprises a pump and a plurality of sensors configured to measure at least two different parameters regarding the operation or condition of the ...
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WO/2022/063607A1 |
The present invention relates to a method and to a high-pressure system for determining a flow control variable of a fluid flow flowing through a high-pressure-side high-pressure pump outlet of a high-pressure pump, wherein an ultrasonic...
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WO/2022/058060A1 |
The invention relates to a method for operating a fuel cell apparatus (1) having a fuel cell stack (4) which has at least one fuel cell and a controllable suction jet pump (9) arranged on the anode side, said method comprising the steps:...
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WO/2022/054059A1 |
The present invention discloses a dosing pump comprising a first inlet for a solvent; a second inlet for an additive, a reciprocating piston for suction of the additive and mixing of the solvent with the additive and an outlet for the mi...
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WO/2022/054570A1 |
[Problem] To provide an operating state analysis device of a compressor, which can be applied to various compressors and has higher analysis accuracy. [Solution] An operating state analysis device 1 of a compressor includes: an analysis ...
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WO/2022/052185A1 |
A hydraulic pump control apparatus (10) and a medical waterjet cutting scalpel. The hydraulic pump control apparatus (10) comprises: an upper computer (101), a direct-current servo driver (102), a direct-current servo electric motor (103...
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WO/2022/056388A1 |
The disclosure relates to pumping systems that may be used to pump fluids in variety of situations where it is important to maintain fluid flow. The systems include at least two pump assemblies. At least one controller, an inlet, an outl...
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WO/2022/051396A1 |
An apparatus to evacuate fluid from a pipe is disclosed herein. The example apparatus includes a pressure gauge coupled to a pipe, a fluid evacuation system coupled to the pipe, the fluid evacuation system to evacuate a first fluid from ...
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WO/2022/049731A1 |
This compressor diagnosis device comprises: an oil surface detection unit which detects an oil surface height that indicates the amount of a refrigerator oil stored in a compressor for compressing a refrigerant; an estimation unit which ...
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WO/2022/048370A1 |
The present application provides a circuit board assembly structure of a pump unit, the pump unit, and a vehicle. The circuit board assembly structure comprises: a circuit board; at least one electric plug-in provided on the circuit boar...
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WO/2022/051737A1 |
A lubrication system for an internal combustion engine includes a fluid flow control device at the outlet side of the pump that regulates pressure conditions at the outlet side of the pump upstream of the lubrication circuit in the engin...
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WO/2022/044862A1 |
Provided is an air compressor that minimizes any increase in discharge temperature due to a change in atmospheric pressure to improve component service life. An air compressor 1 comprises an electric motor 2, a compressor body 3 that i...
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WO/2022/043986A1 |
Peristaltic dosing pump (11) including a pump housing (13), a dosing head (16), and a manual tool-less clamping arrangement (17) for repeated detachable clamping of the dosing head on the pump housing. Reef aquarium LED array illuminatio...
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WO/2022/044863A1 |
Provided is an oil feed type air compressor capable of improving the accuracy with which the state of degradation of oil is determined. An oil feed type air compressor 1 is provided with: a compressor main body 3; a separator 6 which s...
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WO/2022/041368A1 |
An electric air pump (1), comprising a housing (100), a cover body (200), an inflation module (800), and a control module (500). The housing (100) is provided with a first vent port (110). The cover body (200) covers the housing (100), a...
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WO/2022/038125A1 |
A computer-implemented method for determining one or more application-specific control parameters of a pump operating in a system for moving a fluid, the method comprising: monitoring one or more operational variables of the pump during ...
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WO/2022/033960A1 |
In order to improve a method for operating status determination of a coolant compressor/expander comprising a compressor unit and a drive unit such that information on the operating status of a coolant compressor/expander which is as rel...
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WO/2022/033899A1 |
Hydrostatic servo assembly unit (1) for being arranged inside, outside or distant from a variable displacement hydrostatic unit (100) and for controlling the displacement of the variable displacement hydrostatic unit (100). The servo ass...
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WO/2022/032098A1 |
A system for controlling a capacity of a compressor includes a motor of the compressor including a main winding connected at a connection point to an auxiliary winding and a drive configured to control a speed of the motor. The system in...
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WO/2022/030490A1 |
To realize, in a fan unit, reduction in the man-hours involved in prior testing and elimination of a trial operation when connecting the fan unit to a duct. A second controller (52) acquires the rotation speed (Nx) of a fan motor (31b) o...
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WO/2022/030492A1 |
The present disclosure addresses the problem of improving the reliability of determination of the occurrence/non-occurrence of surging. Whether surging occurs depends on a front-back differential pressure, so that, in a second unit (30),...
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WO/2022/030491A1 |
The present disclosure has the objective of realizing a fan unit with which it is possible to determine whether backflow is occurring or not occurring during operation. In a second unit (30), a second controller (52) calculates a front-a...
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WO/2022/018203A1 |
The invention relates to a method for testing the functionality of delivery means (F1, F2, F3) of a medical treatment device (100), wherein a pressure is built up by the delivery means in a container filled with liquid. The pressure buil...
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WO/2022/012711A1 |
The invention relates to a method for controlling an electrically operated pump (3) for a hydraulic system (1), in particular for actuating and cooling components (4) in a drive train of a motor vehicle, wherein the pump is operated by a...
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WO/2022/013705A1 |
Described is a method for controlling a hot fluid dispensing device (1) which comprises the steps of monitoring a fluid passing through a boiler or heat exchanger (4) of a dispensing device (1), identifying a degree of obstruction by lim...
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WO/2022/014600A1 |
An oil supply apparatus 1 is provided with a flow path system 6 that cyclically supplies oil to an object 4 to be supplied with oil. A control unit 31 comprises a storage unit 31a in which a first abnormal pressure set value that varies ...
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WO/2022/009113A1 |
Described is a control method for dispensing a hot fluid in a fluid dispensing device (1), which comprises a power supply source (E); a source of fluid (2) to be heated; a feed unit (3) configured for picking up the fluid to be heated; a...
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