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WO/2024/050587A1 |
The invention relates to a method and a device (1) for reducing pressure pulsations in a hydraulic system (2). In order to effect this reduction close to the source of the volume flow pulsation, it is proposed that a natural frequency of...
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WO/2024/044353A1 |
An apparatus can include a central member between a first fluid section and a second fluid section, wherein the central member, first fluid section, and second fluid section define a longitudinal axis thereon, at least one first fluid se...
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WO/2023/222544A1 |
The invention relates to a pipe switch housing (8) for receiving a pipe switch (9) of a two-cylinder sealant pump (1). The pipe switch (9) is pivotally mounted in the pipe switch housing (8) about a pivot axis (D) upstream of two pipe sw...
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WO/2023/216649A1 |
The present application relates to a fluidic system of a sample processing instrument, a sample processing instrument, and a method of delivering fluids in a sample processing instrument. The sample processing instrument includes a flow ...
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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/2023/166125A1 |
The invention relates to a method for controlling the delivery pressure of a supply pump (2) in a system (1) for delivering and metering a viscous material. The system (1) has a supply pump (2), a metering pump (3), and a delivery line (...
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WO/2023/164450A1 |
A diaphragm pump includes a valve inlet portion (302) elongated in a first direction along a longitudinal axis (306), and a valve outlet portion (324) coupled to the valve inlet portion (302). A ball check valve (112) is arranged between...
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WO/2023/164621A1 |
A pulsation dampener includes: a housing extending between a first end and a second end and having an exterior surface and an opposed interior surface; a flexible inner tube disposed inside the housing and having an exterior surface and ...
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WO/2023/139832A1 |
A bellows pump 1 comprises a control unit 6 that executes operation control of a first drive unit 27 and a second drive unit 28 so that: on the basis of the detection signals from a first detector 29 and a second detector 31, the expansi...
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WO/2023/129838A1 |
A multi-piston fluid pump system includes a pump head, a motor unit, and a processor, the pump head having two or more cylinders and a piston disposed within each cylinder, the motor unit configured to provide bi-directional actuation of...
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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/2023/070742A1 |
A plunger pump system, a pressure pulsation compensation method therefor, and a fracturing device. The plunger pump system comprises a first plunger pump (100) and a fluid pressure compensation structure (200). The fluid pressure compens...
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WO/2023/045174A1 |
An autonomous pressure relief high-protection pressure tank (1) for a water pump, comprising: a filter screen (4) fixed in the pressure tank (1), a movable rod (5) being movably provided at the lower edge of the filter screen (4); a fixe...
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WO/2023/022857A1 |
A pump and purge valve (104,204) configuration may include an inlet (244A/B), an outlet (246A/B) arranged downstream of the inlet and defining a portion of an operational fluid pathway, and a pump mechanism (248A/B) arranged along the op...
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WO/2023/015687A1 |
A fracturing apparatus and a vibration reduction method thereof. The fracturing apparatus (300) comprises at least one fracturing unit (100) and a treatment device (200). The fracturing unit (100) comprises: a plunger pump (110); a low-p...
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WO/2022/256183A1 |
A tube dampener (12) for a fluid sprayer (10) is disposed downstream of the pump (18) to receive spray fluid output by the pump. The tube dampener includes a rigid body (24) and a flexible tube (26) disposed within the rigid body. The fl...
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WO/2022/243794A1 |
An automated computer-controlled sampling system and related methods for collecting, processing, and analyzing agricultural samples for various chemical properties such as plant available nutrients. The sampling system allows multiple sa...
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WO/2022/243795A1 |
An automated computer-controlled sampling system and related methods for collecting, processing, and analyzing agricultural samples for various chemical properties such as plant available nutrients. The sampling system allows multiple sa...
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WO/2022/238237A1 |
The invention relates to a pump arrangement comprising a pump with a pump drive and an annular reservoir which at least partly encloses the pump and pump drive, said reservoir comprising, inside a rigid reservoir housing, a hydraulic pre...
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WO/2022/229374A1 |
A hydraulic device (1) comprises a rotor (3, 9, 10, 11, 16-18, 23) and a port member (5) including a high-pressure port (6) and a low-pressure port (7). An outer surface (21) of the rotor faces an outer surface (22) of the port member (5...
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WO/2022/229729A1 |
A pumping unit (1) of a system (S) for preventing the phenomenon of aquaplaning in a motor-vehicle (V), configured to generate the operating pressure of a jet of fluid directed onto a road surface. The pumping unit (1) comprises: - a cyl...
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WO/2022/226026A1 |
A hydraulic circuit arrangement includes a plurality of electronically- commutated pumps (10a-10f) providing flow to a common hydraulic line (65), each of the electronically-commutated pumps provided with an associated electronically-com...
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WO/2022/223404A1 |
A conveying device for fluids with an inlet (12) and an outlet (14) and a conveying part (10) which is connected in between and is actuable by a drive part, characterized in that the conveying part (10) has a fluid-tight media-separating...
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WO/2022/220806A1 |
An energy conversion system is dedicated to pressurizing a flow using a constant volume pressure source. In some embodiments, the constant volume pressure source is based on the pressure increase associated with a phase conversion in a c...
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WO/2022/187338A1 |
A pulsation dampener includes: a centerbody assembly having: a chamber including a first opening bounded by a wall defining a first surface; an outlet port communicating with the chamber; an inlet port communicating with the chamber; a f...
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WO/2022/157013A1 |
The invention relates to a method for actuating a valve for thick matter, wherein, in a first switching operation, a valve element (26) is switched between a first switching state (A) and a second switching state (B) by a first volume of...
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WO/2022/136275A1 |
The present invention relates to an apparatus (2) for controlling pressure or flow in a fluidic system (3), the apparatus (2) comprising: a first connection device (301) comprising a pumping device (304) and a main outlet (310); a second...
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WO/2022/103563A1 |
A reciprocating pump having a power end and a fluid end includes an auger assembly that is designed to evenly distribute solid particles in the fluid along the suction manifold. The auger assembly includes a helical blade that extends al...
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WO/2022/076748A1 |
A cartridge shell (400) for a suction or discharge stabilizer dampening pumped fluid pressure pulsations at an inlet or outlet of a reciprocating pump (101) includes a head (401) including a protrusion, an annular shell (403) of deformab...
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WO/2022/055867A2 |
Provided herein are methods and systems for use with peristaltic pumps. More particularly, provided herein are peristaltic pump systems that include a dampener for reducing the pulsations of the flowrate from the peristaltic pump system ...
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WO/2022/051812A1 |
An appliance for making a beverage comprising: a conduit defining a liquid flow path for the liquid; a pump to move the liquid under pressure along the flow path and configured to operate in a first mode and a second mode, different to t...
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WO/2022/040368A1 |
A modular stabilizer is provided for a reciprocating pump. The modular stabilizer includes at least one fluid dampening module incorporating a dampening material and forming a second fluid flow path in fluid communication with the first ...
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WO/2022/037912A1 |
The invention relates to a microfluidic device for filtering a liquid or dispersed sample, more particularly for separating blood plasma, comprising a channel system and a pump as well as a filter chamber (2) which has a permeable filter...
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WO/2022/023477A2 |
The invention relates to a device for actively reducing pressure variations in a hydrodynamic system, comprising a pump, a pressure variation generator, at least one pressure sensor and a control unit. The control unit is configured to c...
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WO/2021/236465A1 |
A system for generating a low-pulsatility fluid flow comprises: a first pressurized reservoir (106); a second pressurized reservoir (126); a fluid sensor (128) that generates a quantity signal in response to an amount of the fluid in the...
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WO/2021/209087A1 |
The invention relates to a method (100) for controlling a pump actuator (12) for providing a fluid pressure (p), which is built up by means of the operation of the pump actuator (12), depends on a rotational position of the pump actuator...
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WO/2021/146686A1 |
A pulsation dampener (700, 800, 900) includes a quantity of liquid reactive fluid (e.g., about 20 gallons) contained within a flexible diaphragm (703, 803, 903) and separated from fluid from an external pumped fluid flow. The quantity of...
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WO/2021/116644A1 |
A pulsation damper (100) for a condensate pump comprising a body (105) having a fluid inlet (115), a fluid outlet (125), an inner wall portion (107) and an outer wall portion (108), wherein the inner (107) and outer (108) wall portions d...
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WO/2021/095555A1 |
Provided are a metal diaphragm, a metal damper, and a fuel pump, with which damper performance is improved and durability can be ensured. This metal diaphragm (191) has an annular flange part (192), a first curved part (196a), a second c...
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WO/2021/091742A1 |
A plumbing system including a pump noise dampener is provided. The plumbing system comprises: a pump to output a flow of process liquid; a measurement device to measure a flow rate of the process liquid output from the pump; and a proces...
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WO/2021/078876A1 |
In order to design the usual two alternating pump units (1) provided in an emptying device for a storage container (101) to be as economical as possible and to have a low wear level, both pump units (1) are equipped with a feed pump (1.1...
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WO/2021/052549A1 |
The invention is a metal sleeve having an elastomer sheath that temporarily transforms into an air cushion in order to reduce the shock wave of a liquid by using the energy generated by transient phenomena during interruptions to the flo...
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WO/2021/048454A1 |
The invention, as expressed by the title of the present description, relates to a shock absorption system with electrical energy generation, for vehicles, which provides advantages and features to the function for which it is intended, w...
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WO/2021/037842A1 |
A pump unit for feeding fuel, preferably diesel, to an internal-combustion engine (3) has a high-pressure pump (6) provided with at least one cylinder (9) connected to a feed manifold (29) via a suction line (30) and a suction valve (22)...
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WO/2020/250055A1 |
Provided is a brake fluid pressure control device that allows brake fluid to bypass a damper that absorbs pulsations, depending on the required braking force of a vehicle. The brake fluid pressure control device (20) pertaining to the in...
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WO/2020/193151A1 |
A pump (100) comprising:a housing (2, 2') with pump chamber (5) having a fluid inlet (25) and a fluid outlet (26), a membrane (4) arranged within the housing (2, 2') and delimiting the pump chamber (5) from an intermediate fluid chamber ...
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WO/2020/167108A1 |
The invention relates to a system that intensifies hydraulic pressure, which comprises a main actuation subsystem and a direction-change subsystem. The main actuation subsystem comprises: a motor; a pump; a first piston with a plunger th...
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WO/2020/048947A1 |
A method of detecting leakage in a pump (10) that has at least one displacement body (12) for displacing a medium to be pumped into a pressure line (20), characterized by the steps of: - closing-off the pressure line (20), - operating th...
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WO/2020/028421A1 |
An annular tube (304) (or other shape) of elastomeric cellular material comprising elastomeric closed cells having gas infused therein is supported by structures protruding from the bottom surface of a suction stabilizer's head (204) and...
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WO/2020/022331A1 |
This hydraulic damper comprises a core and a bladder. The core has a base and a first outer peripheral surface that protrudes in a first direction from the base and that is smooth from a side part to a tip end. The bladder is configured ...
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