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WO/2021/059696A1 |
In a dispenser (1) according to the present invention, a pump chamber (30) is formed by means of a main body (32) having a recessed portion (39), and a lid (31) covering an opening portion (33) of the main body, wherein a liquid inside t...
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WO/2021/048405A1 |
Pump unit (10) comprising an electrically driven hydraulic pump (4) for pressurising a hydraulic actuating system. The pump unit (10) comprises a hydraulic pump (4) in pump chamber (110) of a pump housing (11). The pump (4) is driven by ...
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WO/2021/039132A1 |
The present invention addresses the problem of providing a pump-type ejection device capable of reducing foam dripping or liquid dripping with a simple configuration. In a pump-type ejection device (1) provided with a cylinder (19), a pi...
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WO/2021/029236A1 |
A first motion-generating chamber (9) is formed on the upper side of a piston (8) provided inside a motor body (4), and a second motion-generating chamber (10) is formed on the lower side. A pilot valve body (18) is projected from the pi...
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WO/2021/022825A1 |
A novel slurry mixing grouting system, comprising a mixer (14) and a plurality of grouting cylinders (2, 6, 9). Discharging ports (D5, E5, F5) of the grouting cylinders (2, 6, 9) are provided with check valves (3, 5, 11) in a discharging...
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WO/2021/021455A1 |
Manual hydraulic override pumps for use with actuators are described herein. An example apparatus includes a manifold including a reservoir port to be fluidly coupled to a reservoir of fluid, a pump port to be fluidly coupled to a pump, ...
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WO/2021/022034A1 |
An electronic angle adjustment mechanism for a pump and a motor generally includes a base and a linear actuator. The base has an upper portion mounted to a motor, a lower portion mounted to a pump, and a hinge for pivotably moving the up...
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WO/2021/015610A1 |
Compressor (1) for compressing a fluid, in particular a gas, with, the compressor (1) comprising at least one hollow cylinder (2) extending along the longitudinal axis (C) of the cylinder (2) between two cylinder ends (3a, 3b) and boundi...
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WO/2021/008648A1 |
The invention relates to a roller tappet (1) for a high-pressure fuel pump, having a housing (2), next to the drive-side annular face (3) of which a cam contact roller (4) is accommodated, wherein: a bridge piece (5) sits on an inner lat...
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WO/2021/011843A1 |
Axial pump assemblies for a hydraulic tool include a reciprocating element (102) that is configured to move between a retracted position and an extended position, a cam surface (114) in the reciprocating element (102) that can engage cam...
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WO/2021/006865A1 |
The disclosure provides a formation fluid pumping method and pump, and a wellbore system that in one example includes wellbore surface equipment connected to a downhole tool including a formation fluid container having a fluid input port...
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WO/2021/004846A1 |
A pump device (1), in particular for pumping water, comprises at least one first cylinder (2A) and one second cylinder (2B), in which in each case one piston (3) with a piston rod (4) connected thereto is guided displaceably. Each of the...
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WO/2021/001087A1 |
The invention relates to a position detection device for determining the position of the diaphragm or the drive piston of an electric-motor-driven diaphragm pump, in particular detecting the upper and lower reversal point (Po, Pu) in the...
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WO/2020/263771A1 |
A chemical dispenser (14) includes a housing (40), a controller (34) disposed in the housing (40) for operating the chemical dispenser (14), at least one module bay (64) in the housing (40) and at least one module (66) selectively couple...
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WO/2020/264381A1 |
An injector generator for use in geomechanical pumped storage systems includes a power end and a fluid end. The fluid end has one or more fluid chambers each having a fluid inlet and outlet that are controlled by rotary valves. The fluid...
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WO/2020/257515A1 |
The present disclosure relates, according to some embodiments, to a resistant steel composition including a nickel content from about 1.75 % MB to about 5.75 % MB. Further, the present disclosure relates to a fluid end block assembly for...
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WO/2020/244882A1 |
The pump has at least two pump elements (10, 12), each of which has a pump piston (14, 16) that is driven so as to carry out a stroke movement, each pump piston delimiting a pump working chamber (30, 32). The pump working chambers (30, 3...
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WO/2020/240622A1 |
According to the present invention, a grease pump (1) is provided with: an outer tube (5) that defines a cartridge accommodation chamber (5c) in which is removably accommodated a cartridge (3) that is extendable and contractible in one d...
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WO/2020/235117A1 |
The invention comprises: an outer cylinder that is mounted to a container body having an opening for accommodating a liquid corrosive to metal; a cylinder body that is provided in the outer cylinder and is disposed so that the outer circ...
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WO/2020/233796A1 |
The invention relates to a piston type pump (1), comprising a pump housing (2) having a pump inlet (4) and outlet (6) and a piston arrangement (8) connected to a drive shaft (10) comprising a first eccentric (20) driving the piston arran...
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WO/2020/229758A1 |
The invention relates to a pump comprising a piston (1) which slides in a body (3) having a chamber (5) defined between an inlet valve (11) and an outlet valve (12), comprising an outlet valve element sliding during actuation in a sealed...
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WO/2020/229759A1 |
The invention relates to a method for assembling a fluid product dispensing pump, comprising the following steps: - providing a piston (1) secured to an actuation rod (2); - providing a pump body (3) having a pump chamber (5); - providin...
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WO/2020/227304A1 |
In a control system for operating a pump, the pump is pneumatically driven to pump hydraulic fluid to pressurize a closed vessel. The control system includes inlet and outlet ports, a pneumatic regulator, a pressure transducer, and contr...
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WO/2020/226338A1 |
The present invention relates to a piston pump having a seal ring which is closely adhered to the inner surface of a cylinder, and which, even when worn down while a piston reciprocates inside the cylinder, expands by the worn down amoun...
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WO/2020/222631A1 |
The invention relates to a manual siphon pump for transferring liquids, which comprises: an open-ended bottom tube (1); a first suction check valve (2) for suctioning liquids, which is inserted vertically under pressure into the bottom o...
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WO/2020/211083A1 |
A super-power five-cylinder piston pump comprises a power end assembly (1), a hydraulic end assembly (2), and a reducer assembly (3). The power end assembly (1) consists of sections comprising a crankcase (4), a crosshead case (5), and a...
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WO/2020/207561A1 |
The present invention provides a double-acting pump arranged to utilize the energy in a supplied drive fluid to provide a defined pressure increase in a supplied pump fluid.
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WO/2020/208618A1 |
A pump with preferably an interchangeable fluidic module comprising a piston placed in a pumping chamber located in a cylinder block which receives a valve switching element comprising an inlet port and an outlet port through which the f...
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WO/2020/205689A1 |
A compressor system for receiving a gas fluid and discharging the gas fluid at a higher pressure. The system comprises at least one compressor and at least one piston intensifier associated with each compressor. Each piston intensifier h...
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WO/2020/188030A1 |
The invention relates to a mobile thick matter pump (1) for delivering thick matter, having a trailer chassis (2), a pump unit (3) which is arranged on the trailer chassis (2), and a drive motor (4) which is arranged on the trailer chass...
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WO/2020/187211A1 |
A power pumping device having zero carbon consumption on a water surface, comprising a floating platform (110), a piston assembly (120), a self-driving mechanism, a first one-way valve (150), and a second one-way valve (160), wherein the...
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WO/2020/180724A1 |
A pump cartridge comprises a retention structure to retain a piston for shipping and storage, in which the piston can be decoupled from the retention structure to pump fluid. In the shipping and storage configuration, the piston can be p...
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WO/2020/173528A1 |
An apparatus for cooling water extraction for a robot installation plate is characterized by an adjustable extraction volume.
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WO/2020/168644A1 |
Provided is a reciprocating engine lever-type variable plunder pump power output mechanism, comprising an existing reciprocating piston engine. A piston (3), a first connecting rod (4) and a transmission lever (9) are driven by fuel oil ...
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WO/2020/165928A2 |
A machine (10) to automatically dispense at least one fluid product, in particular a liquid dye, comprising support members configured to support one or more dispensing units (25) each having a tank (26), in which said fluid product to b...
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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/2020/162483A1 |
A dispenser (1) provided with: a housing (2) with a depression (26); an elastically deformable lid part (30), which covers the opening (261) of the depression (26) and, together with the depression (26), defines a pump chamber (11); a pr...
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WO/2020/160847A1 |
Boosting systems for converting heat into useable work. The systems can be modular with the ability to add boost chambers as modules to a base design. The systems can have driving chambers with volumes that are mechanically adjustable.
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WO/2020/161237A1 |
A fluid pump (100-105) comprising a pump chamber (3) having an inlet (1) and an outlet (2) with respective inlet and outlet valves (1',2'), a linearly reciprocable pumping member (4) arranged in the pump chamber (3), a linear hydraulic a...
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WO/2020/157538A1 |
The fuel injection system for introducing gaseous fuel into the cylinders (2) of a multi-cylinder piston engine (1) comprises a gas supply line (3) for supplying gaseous fuel at a first pressure level, and for each cylinder (2) of the en...
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WO/2020/152402A1 |
The invention relates mainly to a pumping system (1) which comprises an alternating distribution device comprising at least one shut-off device (7) comprising four mobile shut-off members (70-73) for shutting off first and second inlets ...
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WO/2020/137505A1 |
A pedal liquid supply device (10) supplies liquid to a channel (411) formed inside an endoscope (400). The pedal liquid supply device (10) includes: a pressing mechanism (100) that presses a liquid container (600) that contains liquid; a...
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WO/2020/126504A1 |
The invention relates to an apparatus (1) for conveying a liquid more uniformly from a reservoir (2), said apparatus comprising a pump (3), a pneumatic motor (4), which is operated by means of compressed air and which is designed to driv...
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WO/2020/120234A1 |
The invention relates to a method for operating a piston pump comprising: a differential cylinder drive (1) having at least two differential cylinders (2, 3) for driving at least two delivery pistons that can move in delivery cylinders, ...
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WO/2020/117791A1 |
Described herein are embodiments of a drive head for use with positive displacement pumps. In one embodiment, a drive head for use with a pump comprises a central shaft having a first end and a second end; first and second drive rod conn...
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WO/2020/112043A1 |
The invention is related to a power and energy generator that can meet the relevant needs with power and energy generation with the help of a hydromotor 140, can increase the small amount of energy it receives depending on the number and...
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WO/2020/113006A1 |
A multiple pulse volume shuttle pump powered by a shape memory alloy (SMA) wire is disclosed. In some embodiments, a shuttle pump system may include a pump chamber, a valve operable with the pump chamber, and a wire coupled to a valve sh...
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WO/2020/097735A1 |
A pump assembly (1) for use with at least one fluid, and capable of dosing, mixing and/or metering. The pump assembly (1) includes a main casing (203). The pump assembly (1) also includes at least one primary pump (200), the at least one...
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WO/2020/089959A1 |
The objective of the present invention is to provide an energy-saving motive force generating device for transferring a substance such as a gas or a liquid, and a motive force generating method. Further, the objective is to provide, in p...
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WO/2020/081216A1 |
A negative-pressure source is described. The negative-pressure includes a first housing and a second housing configured to be coupled to the first housing to form a cavity. The first housing and the second housing are rotatable on a comm...
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