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Matches 1 - 50 out of 27,469

Document Document Title
WO/2019/049987A1
The present invention relates to a compressed gas supply device capable of supplying a compressed gas discharged from a plurality of compressors. The device is provided with a plurality of compressors disposed in parallel, a load factor ...  
WO/2019/049415A1
Provided is an oil feed type air compressor with which it is possible to reduce the power consumption of a compressor main body during no-load operation. This oil feed type air compressor is provided with: a compressor main body (1) whic...  
WO/2019/049620A1
A control device for a compressor is provided with an operation stop control unit that, upon detecting a forced stop request signal from a device including the compressor, said signal being different from a normal stop request signal tha...  
WO/2019/049603A1
This hydraulic working machine independently drives left-right travel hydraulic motors by two hydraulic pumps, and is capable of detecting abnormalities in left-right travel devices with high accuracy. The present invention comprises: a ...  
WO/2019/049622A1
A current value determination device provided with: a capacitor current computation unit for computing the capacitor current of a capacitor included in a high-voltage circuit that drives a motor, on the basis of the input voltage of an i...  
WO/2019/049909A1
The braking device for vehicles comprises a reduction amount setting part 62 for setting the amount by which to reduce the revolution of a pump motor M during maintenance or reduction of controllable differential pressure so that said re...  
WO/2019/044756A1
This control device performs, when performing, in a state in which the rotational speed (N) of an electric motor driving an electric oil pump is a first rotational speed (N1), a specific control that causes a state change in a hydraulic ...  
WO/2019/044553A1
The purpose of the present invention is to make a contract of operation data transaction conveniently and concretely. This fluid machine includes: a driving source; a fluid machine body which generates a fluid by means of driving power o...  
WO/2019/038457A1
The present invention relates to a liquid metering device (1) for metering pumps, formed by a main longitudinal conduit (2) with first and second opposite ends (2.1, 2.2) comprising: a fluid inlet (3) at the first end (2.1), disposed per...  
WO/2019/034317A1
A control device (100) for a motor (210) for a hydraulic system (200) is provided. The control device comprises at least one first sensor (120, 130) for measuring a pump pressure of the hydraulic system and a load pressure of 5 the hydra...  
WO/2019/035891A1
Control systems and feedback assemblies for hydraulic axial displacement machines, such as pumps and motors. The control systems and feedback assemblies can reduce friction on the charging spools and provide for a more reliable return of...  
WO/2019/024428A1
A reversing valve for a hydraulic piston pump, which is composed of a pilot valve (10) and a main valve (20); the pilot valve (10) comprises a pilot valve seat (13), a hollow valve core (12), and a slide shaft (17); the main valve (20) c...  
WO/2019/024540A1
An energy-saving flow regulation device, comprising a tube body (1), at least one blade (2) provided in the tube body (1), and an energy conversion mechanism (4) in transmission connection with the blade (2); the angle and/or length of t...  
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/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/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 ...  

Matches 1 - 50 out of 27,469