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Matches 101 - 150 out of 27,679

Document Document Title
WO/2019/025478A1
The invention relates to a method (100) for regulating the output pressure (POUT) of a hydraulic drive system (10) with the use of a rotational speed (ω) as an actuating variable, wherein the hydraulic drive system (10) has a hydraulic ...  
WO/2019/026892A1
This hydraulic drive device is provided with: an electric motor; a variable capacity pump which is driven by the electric motor and which has a pair of pump ports of which a discharge side and a suction side switch in accordance with the...  
WO/2019/028267A1
A control unit includes a first connector configured to connect a proportional pressure regulator to a positive pressure supply and a second connector configured to connect the proportional pressure regulator to a negative pressure suppl...  
WO/2019/022252A1
A fault diagnosis device, which diagnoses faults in a swash plate pump, comprises: a history acquisition unit that, on the basis of an intake flow rate detected by a flow rate calculation unit, acquires actual history data indicating the...  
WO/2019/021450A1
This air conditioner (500) is provided with: a converter (102) which generates a bus voltage to be applied to a coil (3); a connection switching unit (60) which switches the connection state of the coil (3); a signal reception unit (56) ...  
WO/2019/021475A1
This liquid feeding device is provided with an ejection flow passage, a pump part, a liquid feeding pressure sensor, a non-ejection time pressure sensor, a precompression unit, and a precompression-speed determination unit. The pump part...  
WO/2019/019154A1
Disclosed is a diaphragm pump, comprising an electric motor (11), a diaphragm pump housing (12), and a transmission member (13), a metal diaphragm (14), a water inlet one-way valve (15) and a water outlet one-way valve (16) arranged in t...  
WO/2019/011384A1
A high-pressure compressor (2) comprises a hydraulic system and a gas chamber (14). The hydraulic system comprises a reservoir (11) connected to a hydraulic fluid chamber (23) by a hydraulic flow path (41) and a pump assembly (30) positi...  
WO/2019/013686A1
In a method for providing an estimated value of a possible leakage on a suction side of a piston displacement pump (1) pumping a liquid the maximum attainable outlet pressure of the pump is measured while driving the pump. The ratio of a...  
WO/2019/011385A1
Method of controlling the injection of hydraulic fluid into a high pressure diaphragm compressor comprising a hydraulic system, the method comprising: measuring a representation of pressure in a high- pressure part of the hydraulic syste...  
WO/2019/011496A1
The invention relates to a method for the weight-dependent control of the internal pressure of a support body loaded by a weight load or support load, wherein the internal pressure is produced by means of an electric motor-driven compres...  
WO/2019/011386A1
The invention relates to a pressure sensor comprising a housing connected to a compressor head, the housing comprising a piston movably mounted in a cylinder, the cylinder is fluidly connected to a high-pressure part of a hydraulic syste...  
WO/2019/009266A1
[Problem] The purpose of the present invention is to provide a capacity control valve, for controlling the flow rate or pressure of a variable capacity compressor in accordance with the degree of opening of a valve unit, that improves th...  
WO/2019/007992A1
The invention relates to a pumping system for producing a volume flow of dialysis solution in a dialysis machine, the pumping system comprising at least one piston pump, the piston of which co-operates with a working fluid which in turn ...  
WO/2019/008451A1
The present invention is directed to a minimum pressure valve comprising a housing (13) with a. valve inlet (11) and a valve outlet (12) which are connected by means of a chamber (16), said minimum pressure valve (105 further comprising ...  
WO/2019/007775A1
Method, and associated system, computer program and use, of controlling working range of a pump bellows, including maximum limitations such as maximum retracting position and maximum extension position of the bellows, the method comprisi...  
WO/2019/008617A1
A liquid feed device comprising: a primary-side plunger pump; a secondary-side plunger pump connected in series to the primary-side plunger pump downstream the primary-side plunger pump; a check valve provided between an outlet of the pr...  
WO/2019/009264A1
[Problem] The purpose of the present invention is to provide a capacity control valve, for controlling the flow rate or pressure of a variable capacity compressor in accordance with the degree of opening of a valve unit, that improves th...  
WO/2017/076728A9
The invention relates to a compressed air preparation device (10) for rail vehicles or utility vehicles, comprising a compressed air inlet (12), to which an air compressor (14) can be connected, a compressed air outlet (18), which is con...  
WO/2019/006338A1
Disclosed herein is a fluid supply system that can provide fluid to a jetting assembly at a constant pressure or at pressures within a desired range of pressures. In an example, the fluid can be ink, and the jetting assembly can be a pri...  
WO/2018/207157A3
A method for controlling pressure and flow of hydraulic fluid through a hydraulic control unit comprises receiving a pressure command from an electronic control unit. The received pressure command is processed to generate a pressure- bas...  
WO/2019/001720A1
The invention relates to a high-pressure cleaning device (10) comprising a pump (14) which has a suction line (24) and a pressure line (30), said pressure line (30) being equipped with a nonreturn valve (34), and comprising an overflow v...  
WO/2019/001719A1
The invention relates to a high-pressure cleaning device (10) comprising a pump (14) which has a suction line (24) and a pressure line (30), said pressure line (30) being equipped with a nonreturn valve (34), and which has an overflow va...  
WO/2018/234910A1
Inlet valve containing a housing (17) with an entry (18) and an exit (19) and an internal part (17b) which together with an external part (17a) delimits a flow channel (20) between entry (18) and exit (19), whereby this flow channe1 (20)...  
WO/2018/230484A1
The purpose of the invention is to suppress sudden application of a load on a motive power source that drives an electromagnetic clutch. This control device (200) comprises an electric power supply unit (230), an acceptance unit (210), a...  
WO/2018/228135A1
A control method for preventing compressor overheating of a variable-frequency air conditioner, comprising: step S102, obtaining the temperature of a compressor body and the exhaust temperature of the compressor; and step S104, controlli...  
WO/2018/231377A1
Devices, systems, and methods for providing and operating a pump control module and pumps in an assembly line grow pod are provided herein. Some embodiments include an assembly line grow pod having a plurality of fluid lines fluidly coup...  
WO/2018/230485A1
The purpose of the invention is to suppress sudden application of a load on a motive power source that drives an electromagnetic clutch, and to improve the accuracy of a current passing through the electromagnetic clutch. This control de...  
WO/2018/231378A1
Devices, systems, and methods for providing and operating a pump control module and one or more pumps in an assembly line grow pod are provided herein. Some embodiments include the assembly line grow pod having one or more pumps, a maste...  
WO/2018/229137A1
A diaphragm pump having an electric drive motor which has a rotor with a motor shaft, which motor shaft is connected in terms of drive by an eccentric via a connecting rod, which connecting rod moves a drive diaphragm in oscillating fash...  
WO/2018/230639A1
The hydraulic system according to the present invention is provided with a regulator for adjusting the tilt angle of a pump, and a control device for controlling the regulator so that the discharge flow rate of the pump is equal to the l...  
WO/2018/224734A1
The object of the invention is an inlet valve for a compressor pressing gaseous medium, a compressor and a method for controlling the inlet valve. The inlet valve comprises: a casing (1 ); an inlet channel (9) for bringing gaseous medium...  
WO/2018/226388A1
A system includes a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid, wherein pressure of the first fluid is greater than pressure of the second fluid. The system also includes a ...  
WO/2018/221286A1
This pressure control device (10) is provided with a pump (21), a connection pipe (30), a first valve (41), and a second valve (42). The pump (21) has an intake port (211) and a discharge port (212). A first end of the connection pipe (3...  
WO/2018/218944A1
A compression mechanism of a reciprocating compressor, the compression mechanism (100) comprising a crankshaft (2), a piston (4), a crankshaft eccentric sleeve (5), and a locking mechanism. The crankshaft (2) has an eccentric part (21), ...  
WO/2018/216655A1
This compressor driving device 2 is provided with: a compressor driving circuit 9 that drives a compressor; a compressor-driving power supply circuit 8 that supplies power to the compressor driving circuit from an alternating current pow...  
WO/2018/217984A1
A liquid sensing switch comprising an upper sensor plate linked to electronics, a lower sensor plate linked to the electronics, and a ground linked to the electronics, wherein a pump is activated when a liquid level rises above a positio...  
WO/2018/215514A1
The invention relates to improved bearing and lubrication between cylinder blocks (3) and valve segments (2) of hydraulic axial piston units (1) and their rotating kits. In the valve segments first and a second kidney-shaped ports (11, 2...  
WO/2018/211584A1
A liquid feeding pump operation monitor is provided with: a residual amount meter that measures a residual amount of a liquid to be fed by a liquid feeding pump; and an operation detecting section that is configured to detect a decrease ...  
WO/2018/209773A1
A method for controlling a compressor driving system, comprising the following steps: acquiring a rotational speed fluctuation frequency of a compressor, and acquiring a frequency of an input alternating current power supply; acquiring a...  
WO/2018/213639A1
Design solutions to mitigate the following four fatal flaws in the conventional pump system design; namely, (1) surprised pump-failure in single pump design that can result in costly water damage; (2) the threat of fatal high voltage ele...  
WO/2018/210550A1
The invention relates to a control apparatus for supplying at least one hydraulic consumer with fluid having a variable displacement pump (10) which may be controlled by means of a loadsensing pressure (LS), characterized in that, for a ...  
WO/2018/205518A1
Disclosed is a control system for vacuumizing detection, comprising: a vacuum sensor (6), a digital display vacuum meter (9) and an electromagnetic valve (5), wherein the electromagnetic valve (5) and the vacuum sensor (6) are respective...  
WO/2018/207157A2
A method for controlling pressure and flow of hydraulic fluid through a hydraulic control unit comprises receiving a pressure command from an electronic control unit. The received pressure command is processed to generate a pressure- bas...  
WO/2018/201177A1
Disclosed is a gas system (15) for supplying a pneumatic consumer (2) with a continuous mass flow rate of a gas and a method for controlling mass flow rate in a closed gas circuit (6), said system comprising a mass flow controller (3), a...  
WO/2018/202790A1
The invention relates to a pump assembly (1) for pumping viscous media, comprising a diaphragm pump (7) comprising a pump chamber (8a, b), a working chamber (10a, b) which can be fluidically connected to a source (115) of a pressurized w...  
WO/2018/202393A1
The invention relates to a method for operating a pressure control system (1), in particular for vehicles (200), having a multi-stage compressor (4), in which method: a pressure medium (L3, L6) compressed multiple times is output by the ...  
WO/2018/196006A1
A two-pump control device for a sewage pump. The two-pump control device controls two drainage pump units; each drainage pump unit is correspondingly provided with a liquid level switch and different control liquid levels are provided fo...  
WO/2018/198755A1
This CAES generator (1) is provided with multiple motors (13), multiple compressors (10), an accumulator tank (11), expanders (12), generators (15), inverters (14) for a motor which change the rotation speed of the motor, a power supply ...  
WO/2018/196007A1
A two-pump control circuit of a sewage pump. The two-pump control circuit controls two sets of drainage pump units; each set of drainage pump unit is correspondingly provided with a liquid level switch and different control liquid levels...  

Matches 101 - 150 out of 27,679