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WO/1985/002225A1 |
An apparatus for transferring liquid between regions of a first (H) and a second pressure (L) comprising: a vessel (7), a dividing member (8) in the vessel, the vessel and the dividing member being relatively movable to divide the vessel...
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WO/1985/000202A1 |
A pump system which operates at high efficiency in either a high volume, low pressure mode or a low volume, high pressure mode. First and second internal gear pumps (122, 124) are driven by a common drive shaft (134). The first pump (122...
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WO/1984/004945A1 |
A centrifugal pump has a casing (35) with an impeller cavity (48) in which a shrouded impeller (47) is mounted and with front and rear labyrinth seals (70-73) associated one with each of the front and rear shrouds (49, 50) of the impelle...
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WO/1984/004364A1 |
A fuel system bubble dissipation device wherein fuel is delivered through a fuel line (not shown) from a fuel tank (not shown) to an engine. The device includes an ejector (30) having a casing (35) with a fuel flow passage (36) connected...
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WO/1984/002957A1 |
A tandem pump comprises a piston pump (1) and a semi-rotary cell pump (2) which have a common drive shaft (4). The semi-rotary cell pump (2) is mounted at the back of the piston pump (1) on the drive shaft end. The pump has a movable ele...
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WO/1984/001003A1 |
A pumping device comprises a first feed installation (P1) which is connected to a container (H) by a suction pipe (L) and a by-pass pipe (U). The feed installation (P1) supplies a consumer with fuel oil under pressure. A second feed inst...
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WO/1984/000196A1 |
A completely sealed, self-contained, liquid-cooled gas compressor. It is made up of vertically superimposed and motive power connected electric motor (16), gas compressor (17) and oil pump (18) coaxially positioned within a vertical seal...
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WO/1983/004284A1 |
A rotary radial piston pump or motor has a cylinder barrel (13) rotating on a fixed pintle (14) with a fluid exit (9) at the fixed end of the pintle and an inlet (8) at the opposite free end. A fluid impeller (65, 66) boosts the pressure...
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WO/1983/003447A1 |
A dosing pump (1) allows to dose with accuracy a medium intended to be dosed in relation to time or a flow rate. The dosing pump (1) utilizes a predelivery obtained by a diaphragm (11) and a piston and cylinder pump for the dosing. The c...
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WO/1983/001658A1 |
An apparatus (3) for pumping fluid from a fluid source (5) to a predetermined location (7) remote from the fluid source. The apparatus (3) comprises an hydraulically operated pump (9) having a fluid pumping chamber and means for storing ...
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JP7462955B2 |
To provide a communication device capable of being retrofitted to an existing pump device.A communication device is a device which can be attached to a pump device having a plurality of output terminals capable of outputting signals for ...
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JP7461647B2 |
To provide a plunger pump improved in workability at maintenance.A plunger pump is equipped with a motor portion that has a motor rod reciprocating in a vertical direction, a pump portion that is provided under the motor portion, and has...
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JP7454690B2 |
A pump system for a metal furnace includes a tank and a magnetic stirrer. The tank includes a tank chamber that is configured to receive a fluid, such as a molten material. The tank is positioned above magnetic stirrer and such that the ...
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JP2024511274A |
The pump device (104) for the steering device (102) of the vehicle (100) includes a pump (104) for pumping the working medium to the first output connection (114) or alternatively to the second output connection (116). 112), an electric ...
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JP2024507084A |
The fluid pump includes a housing. The delivery portion includes a delivery pump element disposed within the housing. The return portion includes a return pump element disposed within the housing. A motor is disposed within the housing t...
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JP7429359B2 |
To provide a hydraulic pump device that comprises a low-pressure piston and a high-pressure piston, and that is made free from energy loss by the low-pressure piston in a high-pressure state.A hydraulic pump device comprises: a low-press...
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JP2024012136A |
The present invention provides a "hydraulic rotating equipment" ("HRM") system that operates with optimal energy efficiency over a very wide range of conditions of service ("COS"). The HRM is interconnected by one or more valves that can...
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JP7417513B2 |
To provide a fluid machine unit with high rigidity.A fluid machine unit 100 includes: a plurality of columns 41; a housing 40 that houses a fluid machine 10 in a first chamber 15 partitioned by a first metal plate 42 horizontally support...
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JP7407074B2 |
To provide a drive device of a hybrid vehicle which can achieve downsizing of the device, simplification of its structure, and reduction of the number of components while enabling oil levels of oil in a first chamber, in which an electri...
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JP7402537B2 |
To provide a water supply device, a control panel, and a movable control panel device capable of improving maintenance workability of a control panel.A water supply device 1 of the present invention is a cabinet-type water supply device,...
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JP7402536B2 |
To provide a water supply device and a movable control panel device capable of improving maintenance workability of a control panel.A water supply device 1 of the present invention is a cabinet-type water supply device, including: a cabi...
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JP2023173484A |
To reduce size and cost while allowing the rotation of a first pump and a second pump to be independently controlled.A pump driving system 30 comprises: a first pump WP1 for applying pressure to fluid; a second pump WP2 for applying pres...
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JP2023550903A |
The present invention is a piston pump (10) for a high-pressure cleaning device, the piston pump having a pump housing (12) including a first housing part (14) and a second housing part (16), each of which is configured as a metal part. ...
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JP2023549805A |
The present invention discloses a detergent dosing device and a washing machine. This detergent injection device includes a first chamber having a water supply port and a water spout, a second chamber having a liquid supply port and a li...
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JP2023547577A |
Systems and methods for fracturing pumps are provided. The system of the invention includes a turbine. The turbine can be powered 100% from natural gas or other fuels. The turbine may have an OEM control and drives a fracturing pump. Thi...
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JP2023157402A |
To improve performance of a work machine.An air compressor has an electric motor, a piston part which reciprocates, and a case part 30 which houses the piston part. The case part 30 includes: a crank case 24 formed with a crank chamber 2...
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JP7368861B2 |
To provide a water supply device and a water supply unit capable of improving workability when arranging a pipeline.A water supply device 1 includes: a water supply unit 2 equipped with a cabinet 21, a pipe arrangement device 22 housed i...
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JP7360333B2 |
The present invention provides a technique that enables liquid feeding with small pulsation by reducing the volume of a liquid feeding pump. Disclosed is a liquid feeding pump comprising: a first plunger pump that has a first plunger; a ...
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JP2023145749A |
To provide a pump device improving the power efficiency of piezoelectric pumps connected in series.A pump device is equipped with a first piezoelectric pump 3, a second piezoelectric pump 5 that is connected in series with the first piez...
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JP7356916B2 |
An assembly unit as a structural component for a lubricant pump, the assembly unit having a base plate, at least one pump element housing fixedly attached to the base plate with a pump element powered by a linear motion inserted therein,...
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JP7356283B2 |
This fluid supply system has a header to which two distribution pipes are connected, and a plurality of pumps respectively connected to the header at different positions along a longitudinal direction. The distribution pipes are connecte...
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JP7350788B2 |
A hydraulic drive system for a construction material pump has a hydraulic circuit for hydraulic fluid, a feed pump which is designed to feed hydraulic fluid into the hydraulic circuit, at least one controllable pressure-limiting valve un...
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JP2023540616A |
A balanced piston pump (300) for a subsea vehicle, such as a variable buoyancy engine, includes an inlet (321), an outlet (325), and at least one fluid path between the inlet and the outlet. The piston arrangement within the fluid path i...
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JP2023537113A |
An integrated pump assembly for a liquid dispensing device and the liquid dispensing device is disclosed. A pump assembly for a liquid dispensing device includes a channel substrate in which a channel for receiving a liquid from a liquid...
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JP2023119604A |
To shorten the action time before measurement that pertains to the priming of a mobile phase in liquid chromatographic analysis.While suppressing the occurrence of an excessive decompression state and air bubbles, prompt priming is achie...
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JP7328996B2 |
A surge suppressor includes a boost mechanism configured to balance pressures between a working fluid and a process fluid. The boost mechanism includes a boost member that is acted on by a charge pressure of the working fluid. A shaft ex...
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JP2023111798A |
To provide a cooling device that even when a pump stops, supplies a coolant to a cooling unit to continue cooling.A cooling system 100 includes a cooling device 10 including a first cooling unit 11A, a second cooling unit 11B, a first pu...
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JP2023107321A |
To provide a parallel pump that can further reduce agitating resistance of oil in a gear chamber in comparison with a conventional parallel pump.A parallel pump 1 includes a casing 2 in which a pump chamber 11 and a gear chamber 12 are s...
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JP7312007B2 |
To provide a pump device that is compatible with a wide range of discharge flow rate and discharge pressure and can save energy, and to provide a pump operation method.A pump device includes a first pump part and a second pump part. The ...
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JP2023097906A |
To provide a liquid delivery pump which is capable of delivering a liquid at a high accuracy of flow while taking into consideration solvent expansion, leakage dependent on solvent pressure, and leakage dependent on solvent flow.A liquid...
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JP2023076027A |
To alleviate the burden of cost required for a facility for supplying power to an ancillary device for a pump.A pump comprises a suction port part and a discharge port part, sucks fluid from the suction port part, increases its pressure ...
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JP2023068687A |
To provide a control device and a machine tool that automatically execute washing processing according to an operation state of a pump.A control device comprises: a sensor which is applied to a pump for pressure-feeding liquid in differe...
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JP7274916B2 |
The present invention provides a pump unit which can reliably realize miniaturization and improvement in driving efficiency and a construction machine thereof. The pump unit of the present invention has: a first casing; a rotation shaft ...
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JP7272695B2 |
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JP2023519505A |
Apparatus 2 for dosing liquid color formulations onto polymers includes a metering platform 4 supported by a pair of load cells 6 which in turn are supported by a base 8 . Reservoir 12 contains liquid color formulation 14 . Pump 16 is ar...
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JP2023055002A |
To predict a failure of a plunger pump.A plunger pump comprises a drive part, a shaft member which can reciprocate in a linear direction by receiving a drive force from the drive part, a magnet which can move integrally with the reciproc...
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JP7256430B2 |
A hydraulic unit (1) comprising an oil tank (10) that stores a hydraulic oil, a hydraulic pump (30) that supplies the hydraulic oil inside the oil tank (10) to an actuator, a first return pipe (L1, L2) that returns the hydraulic oil to t...
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JP7254794B2 |
A pump and motor assembly (20) includes a centrifugal pump (30), a bent axis hydraulic pump 58, and a wet-type drive motor (228). The motor has a rotor and a stator that are submerged in hydraulic fluid for full lubrication and cooling. ...
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JP2023035696A |
To provide a heat dissipation device which enables reduction of a ratio of a length of a structure other than a radiator to the entire length, and to provide a cooling device.A heat dissipation device includes a radiator, a first tank, a...
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JP2023028526A |
To provide a high-pressure washing machine that can efficiently cool a circuit part, and to provide a high-pressure washing machine unit.A high-pressure washing machine (10) includes: a drive part (1) including a motor (11); a housing pa...
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