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WO/2024/079375A1 |
The invention relates to a hydraulic or pneumatic machine comprising two cylinders (3) connected to a high-pressure fluid source and to a low-pressure fluid tank (2), the cylinders having respective pistons (4) connected to a crankshaft ...
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WO/2024/074928A1 |
A pressure exchange chamber comprises: a pressure exchange chamber pipe (12) extending around a perimeter; a driving fluid input valve (44) and a driving fluid output valve (46), both valves being enclosed by the pressure exchange chambe...
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WO/2024/065587A1 |
A pump includes a piston disposed within a pump body that reciprocates along a pump axis to pump fluid. An air valve is actuated between open and closed states to drive reciprocation of the piston. A stroke limiter is disposed around the...
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WO/2024/069223A1 |
Embodiments of the present disclosure in general, relate to a hydraulic pump that can balance itself based on pressure level and is resistant to high pressure. The hydraulic pump of the present disclosure can be made available in both va...
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WO/2024/062393A1 |
The device (1) for the treatment of water, comprising: - one hollow body (2) defining at least one internal volume (3, 4, 5); - one pumping assembly (9) comprising one pumping piston (10); - actuating means (18) of the pumping assembly (...
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WO/2024/052239A1 |
A dosing apparatus (100) for parenteral delivery of at least two fluids, the dosing apparatus comprising a dosing actuating unit (200) configured to actuate delivery of one of the at least two fluids, and at least two dosing delivery dev...
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WO/2024/050338A1 |
The present disclosure relates to a food pump (100) that includes a manual pump (300) extending into a container (200) of flowable food product and a discharge tube that extends from the container to dispense the food product from a disp...
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WO/2024/036147A2 |
A wearable fluid delivery system comprising a single-use device with a tube, a pump, and a nutrition container with a fluid. The system further includes a module including a processor, a battery, and an electric motor with an output memb...
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WO/2024/013374A1 |
A fuel pump for the direct-injection of fuel for internal combustion engines comprises a pump body (5), a pump chamber (50) in which a piston (1) is slidably mounted, a spring (3) bearing against the pump body (5) and against one end (10...
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WO/2024/007904A1 |
An elastically driven piston pump, comprising a cylinder block, a spring, a first piston, a first rotor, a first rod member, a second piston, a second rotor, a second rod member, and an eccentric transmission shaft. The eccentric transmi...
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WO/2024/008451A1 |
A sub-assembly of a pump device comprising a housing comprising a chamber extending along a longitudinal axis. The chamber comprises an inlet and an outlet. Both the inlet and the outlet are open in a direction transverse to the longitud...
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WO/2024/008566A1 |
The invention relates to an electrical drive device (200), for electrically driving an auto concrete pump (100), wherein the auto concrete pump has a concrete pump system (110) for conveying concrete, wherein the concrete pump system (11...
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WO/2024/008143A1 |
A power device, comprising a first compression assembly (200), a shuttle assembly (100) and a power source (300). The power source (300), the first compression assembly (200) and a shuttle member (120) are arranged in sequence along the ...
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WO/2023/248605A1 |
Provided are: a valve structure for an accumulation-type sprayer with which it is possible to prevent reduction of spring force even after a large number of operations of the trigger, and further to exhibit high accumulation performance;...
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WO/2023/245054A1 |
Various embodiments disclosed relate to a reciprocating triplex pump. The present disclosure includes a reciprocating triplex pump with a longer stroke time. Such a pump can include a prime mover with a shaft extending longitudinally; a ...
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WO/2023/239313A1 |
The invention relates to road marking equipment that allows solvent, water, mastic, and silicone-based paints with a density of up to 2.2 g/cm3 and materials of a maximum of 25 L per minute to be sprayed (spraying) up to 230 bar pressure...
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WO/2023/230238A1 |
A multi-piston pump includes a first pump configured to execute a discharge stroke, a suction stroke, a compression stroke, a hold, and a changeover, a second pump independent from the first pump, the second pump being configured to exec...
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WO/2023/223580A1 |
Provided is a pump that is compact and in which a discharge port does not move. The upper part of a cylinder 10 is supported, by a body 40, at a position higher than the opening of a container, so that a lower piston seal 21 and an upp...
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WO/2023/211310A1 |
The invention relates to the field of agriculture. A spray pump comprises a cylinder having mounted at one end thereof a check valve, configured in the form of a ball, and a suction nozzle and having mounted at the other end a hollow spr...
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WO/2023/208339A1 |
A system comprising a plurality of pressure intensifier units (10, 20, 30, 40) configured to increase the pressure in a pressure vessel (2), each pressure intensifier unit (10, 20, 30, 40) comprising at least one first chamber (13, 14) a...
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WO/2023/201334A1 |
A pump for pumping a cryogenic liquid includes a pump housing defining an elongated cylinder. An elongated piston slides within the cylinder so that an intermediate fluid chamber, that is configured to receive an intermediate fluid, is d...
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WO/2023/193331A1 |
Disclosed in the present invention is a pump, comprising a pump body and an indicator light assembly. The pump body is provided with an inner cavity and a liquid inlet and a liquid outlet which are communicated with the inner cavity; the...
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WO/2023/189100A1 |
The present disclosure provides an oral cavity cleaning device that can more efficiently clean the oral cavity, etc. The oral cavity cleaning device of the present disclosure is equipped with: a tank in which a liquid is pooled; a nozzle...
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WO/2023/175239A1 |
A pressure medium powered device generating a reciprocating motion, which includes a body (5), a primary piston (2), a control valve assembly, and at least one secondary piston (3, 4). The primary piston (2) is fitted inside the body (5)...
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WO/2023/168910A1 |
A hydraulic linkage plunger pushing mechanism and a plunger diaphragm pump using the hydraulic linkage plunger pushing mechanism. The hydraulic linkage plunger pushing mechanism is provided with a crankshaft (1) mounted on a low-pressure...
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WO/2023/149022A1 |
The present invention provides a pump that makes it possible to efficiently push up a cylinder with a spring made of resin. Provided is a pump comprising a spring which includes: first and second ring-shaped members that are disposed o...
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WO/2023/148126A1 |
The invention relates to an assembly (100) comprising a piston engine (110) which is designed for combustion-free operation and a vacuum chamber (130) in which a reduced air pressure as compared to the atmosphere (A) surrounding the pist...
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WO/2023/141875A1 |
Disclosed are a fluid end of a plunger pump, a plunger pump, and an oil and gas field fracturing apparatus having same. The fluid end of a plunger pump comprises: a valve box assembly (10), the valve box assembly (10) having a plunger ca...
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WO/2023/140279A1 |
An electric cylinder device 10 comprising a third gear 20 that rotates in response to the rotation of an electric motor 14 and a linear motion conversion mechanism 16 that converts the rotation of the third gear 20 into the linear motion...
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WO/2023/135027A1 |
A magnetic bearing for supporting the movement of a piston sliding into a cylinder comprised in a compressor is disclosed. The piston comprises a first rod that connects the piston to a cross-head of the compressor and an extension rod, ...
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WO/2023/135435A1 |
The invention refers to a self-adjusting gyroscopic hydrostatic system of a linear torque converter for power transmission with a centrifugal mechanism of type -A1- with a sliding arm to change the angle of the gyroscopic axis (after bot...
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WO/2023/130491A1 |
Specifically disclosed in the present application are a fluid end of a reciprocating pump and a reciprocating pump, which relate to the technical field of reciprocating pumps. The fluid end of the reciprocating pump comprises a valve box...
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WO/2023/126614A1 |
The present invention relates to a hydromechanical device (102) for supplying each of two opposing active chambers (VR1CA1, VR1CA2) of a double-acting receiving cylinder (VR1) for servo-controlled operation of at least one first output r...
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WO/2023/117320A1 |
A fluid pump (100) having a drive part (102) and a pump part (101), the pump part (101) comprising a pump chamber (33) having a linearly reciprocable pumping member (34) therein, the drive part (10) comprising: an electric motor (3) havi...
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WO/2023/097846A1 |
The present invention relates to the technical field of reciprocating pumps, in particular to a valve group, a hydraulic end and a reciprocating pump. The reciprocating pump comprises the hydraulic end and a power end, wherein the hydrau...
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WO/2023/093288A1 |
A hydraulic fracturing pump system and a fracturing device. The hydraulic fracturing pump system comprises an oil pump (1), a speed change mechanism (2), a fracturing pump (4), and a plurality of motors (3). An oil outlet of the oil pump...
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WO/2023/083735A1 |
The invention relates to a hydraulic drive system (1) for a construction and/or thick matter pump system (2), - wherein the hydraulic drive system (1) comprises a first drive cylinder (3) and a second drive cylinder (4), - a first direct...
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WO/2023/077492A1 |
A liquid pump includes a pump housing defining first and second cylinders. A rotating actuator is disposed in the pump housing has an annular groove defined on a peripheral surface. First and second pistons are disposed in the first and ...
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WO/2023/080771A1 |
The present invention relates to a hydraulic power boosting system comprising: an energy source (an electric motor in this case), a hydraulic pump, a relief safety valve, hydraulic conductors, a liquid fluid tank, 4-way directional valve...
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WO/2023/074891A1 |
An electric cylinder device 10 comprising a cylinder mechanism 80, an electric motor 50, a linear motion conversion mechanism 70, and a motion transmission mechanism 60. The electric motor 50 and the linear motion conversion mechanism 70...
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WO/2023/063652A1 |
A pump assembly according to an embodiment of the present invention is provided. The pump assembly coupled to a container part accommodating contents, so as to discharge the contents, may comprise: a pump part; a shoulder part of which o...
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WO/2022/072472A9 |
A rotary pump for a fluid metering system is provided. The rotary pump reciprocates, and is reversed by a signal from a limit switch that is deflected by an actuator arm on a rotating sleeve of the pump system. The sleeve receives a gask...
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WO/2023/048303A1 |
Provided is an elastic member according to an embodiment of the present invention. The elastic member has a protrusion portion in the outer direction and a recessed portion in the inner direction, the protrusion portion and the recessed ...
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WO/2023/047847A1 |
This liquid supply device 10 comprises: a pump unit 11 in which multiple pump members are provided; a housing 15 in which multiple drive rods for driving the pump members are integrated; a drive roller 32 which revolves about a central r...
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WO/2023/043707A1 |
A pump (10) for pumping a cryogenic liquid includes a pump housing (20) having a cylinder (32) with a piston (34) slidably positioned therein. An intermediate fluid chamber (54) that receives an intermediate fluid is defined within the c...
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WO/2023/038089A1 |
A tire air replenishing device 1 according to one embodiment comprises: a cylinder 11 having a first opening 11r communicating with a tire; and a weight 12 that is installed inside the cylinder 11, has an air circulation hole 12b for pas...
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WO/2023/038090A1 |
A tire air filling device 1, according to one embodiment, comprises: a cylinder 11 that has a first opening 11r that communicates with a tire; and a weight 12 that has an air flow through-hole 12b through which air to be supplied to the ...
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WO/2023/032966A1 |
The present invention provides a trigger-type liquid sprayer (1, 201) comprising: a sprayer body (2, 202) attached to a container body (A, 200A); a nozzle member (4, 203) having a spray hole (3, 204) formed therein; and an invertible ada...
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WO/2023/024757A1 |
A transmission structure, a transmission connection mechanism and an air compressor. The transmission structure comprises a rotating shaft (1) and a transmission body (2), wherein one end of the rotating shaft (1) is provided with a limi...
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WO/2023/023386A1 |
A dispensing pump has a calibration system. A base includes an upper base portion and a lower base portion for mounting a pump. A hinge pivotally connects the upper base portion and the lower base portion. A linear actuator includes a dr...
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