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Patent Searching and Data


Matches 1 - 50 out of 10,472

Document Document Title
WO/2019/220563A1
A liquid delivery device according to the present invention is provided with: a liquid delivery control unit configured so as to cause a primary-side plunger pump and a secondary-side plunger pump of each of a first liquid delivery pump ...  
WO/2019/214832A1
The invention relates to a helical gearing driven by an electric motor for driving an adjusting element (5), more particularly in the form of an actuator or a piston of a piston-cylinder unit, wherein the adjusting element (5) can be mov...  
WO/2019/210248A1
A well service pump system supplies high pressure working fluid to a well. The pump system includes a closed-loop hydraulic circuit for actuating a plurality of working pump assemblies. The pump system is powered by a motor, which transf...  
WO/2019/210257A1
A well service pump system supplies high pressure working fluid to a well. The pump system has a linear design which incorporates an electric motor (212), a variable frequency drive (VFD) (216), a pump drive (220), closed loop variable f...  
WO/2019/210252A1
A well service pump system for supplying working fluid to a well, the pump system having a structural joint (1802) coupled to and extending between the housing (1604) of a hydraulic ram cylinder (1602) and the housing ((1704) of a workin...  
WO/2019/210260A1
A well service pump system (10) supplies high pressure working fluid to a well. The pump system (10) includes: three or more working fluid pump assemblies (34), each comprising a working fluid end cylinder (46) having a plunger rod (50) ...  
WO/2019/202115A1
The invention relates to a compressor device (100) for compressing a gas in at least one compression chamber (1a, 1b, 1c, 1d, 1e, 1f) in at least one compression cylinder (2a, 2b), in which device a) at least one drive piston (13a, 13b) ...  
WO/2019/202831A1
This pump device comprises: a first piezoelectric pump; a second piezoelectric pump which is connected in series to an upstream side of the first piezoelectric pump; a drive part which provides an alternating current power input to the f...  
WO/2019/197311A1
A drive system (112) for an insulin pump (110) is disclosed. The drive system (112) comprises: - a motor (120) configured for rotating at a predetermined revolution speed; - a gear box (122) for converting a rotation of the motor (120) i...  
WO/2019/185531A1
Method for manufacturing a head-piece (10) of a pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine, whereby the head-piece (10) is provided with a central hole (12) configured to define a cylinder (15...  
WO/2019/183076A1
A system for energy recovery from a rod pump includes, in an exemplary embodiment, a hydraulic cylinder having a barrel, a piston, and a pressure chamber; the piston connected to a rod string of the rod pump; a reversible hydraulic pump ...  
WO/2019/183383A1
Non-limiting exemplary embodiments of a pumping system and methods for operating the pumping system in a region of high pressure or a region of high flow are disclosed. The pumping system includes a piston disposed within a piston cylind...  
WO/2019/178552A1
A thermo-hydraulic gravitational energy conversion system includes a hydraulic tank hydraulically coupled to a hydraulic pump hydraulically coupled to a check valve, a first hydraulic valve, a first hydraulic cylinder, and a second hydra...  
WO/2019/174814A1
The invention relates to a fuel delivery system for cryogenic fuel, comprising a piston pump (1) for conveying the cryogenic fuel on high pressure, wherein the piston pump (1) has a pump piston (2) which is drivable movable to and fro ha...  
WO/2019/167708A1
A fluid pump for a ship, which is one aspect of the present invention, comprises a pump body that pressurizes and discharges a fluid by moving a piston in which pressure of hydraulic oil is used, a detection unit that detects a maximum m...  
WO/2019/167065A1
An electric and hand operated pump system configured to lift ground water by means of a submersible reciprocating pump, which operates by electric energy and hand manually by both rotary and oscillating mode, said system comprising: a su...  
WO/2019/168417A2
¬ The invention relates to a fluid pumping device comprising a piston pump and a fitted part for the actuation of said pump, the initial goal being that of minimising the effort required to pump drinking water from the water table in ru...  
WO/2019/163782A1
A member for pumps according to the present disclosure is used in a dual pump for supplying and discharging dialysis fluid and is made from aluminum oxide-based ceramics. The aluminum oxide-based ceramics contain calcium, and the calcium...  
WO/2019/159213A1
Positive displacement pump, comprising at least a cylinder (11), provided with at least an entrance aperture (14) and at least an exit aperture (15) for the liquid and a plunger (12), mobile inside the cylinder (11) by means of a first a...  
WO/2019/145314A1
The invention relates to a device (1) and a method for compressing a working medium, comprising: - compressing a drive medium in a compressor (2); - moving a drive piston (4) within a first cylinder (5) by means of the compressed drive m...  
WO/2019/145935A1
A vibrator(56A), including: a bar(16), a first location(64A) therealong including a first pivotal connection(20A) to the chassis(62) of the vibrator; a weight(14) including a second pivotal connection(20B) to a second location(64B) of th...  
WO/2019/145357A1
Compressor (1) and method for compressing a working medium, comprising the steps: - moving of a drive piston (2) which is driven by way of a driving medium within a first cylinder (3) between a first end position and a second end positio...  
WO/2019/142155A1
A portable hydraulic-powered air compressor system detachably connected to a hydraulic power system of a vehicle may include a reciprocating compressor. The reciprocating compressor may include a compression cylinder, and a compressor pi...  
WO/2019/137904A1
The invention relates to a seal (11), in particular a rod seal for sealing an axially movable rod (9, 10) in a guide cylinder, in particular a piston seal for a pneumatically, electrically or hydraulically driven coating agent pump for p...  
WO/2019/140175A1
An air motor assembly includes an exhaust block with an exhaust port that conveys exhaust air into an exhaust manifold. The exhaust port includes an expansion chamber that creates a pressure drop in the exhaust gas, thereby decreasing th...  
WO/2019/129532A1
A pump (2) comprising a stator (4) and a rotor (6) axially and rotatably movable relative to the stator, the stator comprising a rotor shaft receiving cavity (18), an inlet (14) and an outlet (16) fluidly connected to the rotor shaft rec...  
WO/2019/126109A1
A pneumatically driven fluid pump apparatus is disclosed which makes use of a pump casing, a pump cap secured at a first end of the pump casing, and a liquid discharge tube. The liquid discharge tube communicates with the pump cap extend...  
WO/2019/125628A1
This invention provides output gain by rotating a solid wheel from the center of mass as an input and connecting a lever to the edge of the same wheel at 180 degrees apart to each other. Each lever is connected at 180 degrees apart at th...  
WO/2019/125121A1
The invention relates to a novel fluid compressor-recirculator with high compression capacity and outlet flow, which makes it possible to have differentiated volumes of pressurised fluids at the outlet of the equipment, and which operate...  
WO/2019/120887A1
Pump (1) for feeding high-pressure fuel to an internal combustion engine, of the type comprising a pump body (2) and an actuating shaft (3) which is housed in an axially rotatable manner inside the pump body (2); the pump body (2) being ...  
WO/2019/125123A1
The invention relates to a fluid pressuriser having a design which makes it possible to manipulate fluids at high temperatures, obtaining high pressures with great precision, which has many applications in residential and industrial syst...  
WO/2019/115276A1
A micropump including - a stator (4), - a rotor (6) slidably and rotatably mounted at least partially in the stator, the rotor comprising a first axial extension (24) having a first diameter (D1) and a second axial extension (26) having ...  
WO/2019/114923A1
A piston type pump, comprising: a pump housing having at least one pump inlet and one pump outlet and a piston arrangement connected to a driving shaft which, when driven, sets the piston arrangement into movement, wherein the piston arr...  
WO/2019/115097A1
The invention relates to a fuel delivery device for cryogenic fuels, comprising a piston pump (1) for delivering the cryogenic fuel at a high pressure, said piston pump (1) having a pump piston (2) that can be moved back and forth and de...  
WO/2019/115161A1
The invention relates to a method for operating a piston pump (1) for cryogenic fuels, comprising a pump piston (2) that can be moved back and forth and delimits a compression chamber (3) at one end and a pressure chamber (5) at the othe...  
WO/2019/115158A1
The invention relates to a fuel delivery device for cryogenic fuels, comprising a piston pump (1) for delivering the cryogenic fuel at a high pressure, said piston pump (1) having a pump piston (2) that can be moved back and forth and de...  
WO/2019/110455A1
A pump includes: a stator (4); a rotor (6) slidably and rotatably mounted at least partially in the stator, the rotor comprising a first axial extension (24) having a first diameter (Dl) and a second axial extension (26) having a second ...  
WO/2019/113325A1
A bull gear is provided for a reciprocating pump. The bull gear includes a hub extending around an axis of rotation of the bull gear. The bull gear includes a rim having a plurality of helical gear teeth extending along a circumference o...  
WO/2019/110189A1
The invention relates to a fuel delivery system for cryogenic fuels, comprising a piston pump (1) for delivering the cryogenic fuel at high pressure, said piston pump (1) having a reciprocating pump piston (2) that delimits a compression...  
WO/2019/110282A1
The invention relates to a fuel delivery system for cryogenic fuels, comprising a piston pump (1) for delivering the cryogenic fuel at high pressure, said piston pump (1) comprising a reciprocating pump piston (2) that delimits a compres...  
WO/2019/096982A1
A cartridge hand pump is disclosed. The cartridge hand pump comprises a housing; a lever extending from the housing; a cylinder provided in the housing wherein the cylinder is connected to a supply passage for receiving hydraulic fluid a...  
WO/2019/084620A1
A pump including one or more pumping chambers, one or more drive mechanisms for driving the one or more pumping chambers and a logic arrangement. The first pumping chamber of the one or more pumping chambers has a first inlet check valve...  
WO/2019/089912A1
A liquid pump having a pump liner and a pump piston, wherein the pump liner defines a central longitudinal bore and a transverse inlet bore communicating with the central bore for conveying a liquid. The pump piston has a centerline inte...  
WO/2019/081159A1
The invention relates to a fuel supply device for cryogenic fuels, said device comprising a pre-supply pump (1) and a high-pressure pump (2), wherein the high-pressure pump (2) has a reciprocally movable piston (3) which delimits a compr...  
WO/2019/080075A1
Disclosed is an efficient intelligent adjustable hydraulic pump, comprising a servo motor (3), a center gear (4), a planet gear I (5), a planet gear II (6), a planet gear III (7), an integrated oil cylinder (8), an oil circuit block (9),...  
WO/2019/068244A1
A steady flow hydraulic pump, comprising an oil cylinder (1), a hydraulic rod (2), cover plates (3), and oil nozzles (4). The hydraulic rod (2) comprises a piston part (202), a driving part (201), and a balancing part (203). The piston p...  
WO/2019/070992A1
Metastable state spore incubation mixing systems are described. An example system includes a spore container to store spores, a nutrient container, an arrangement of valves and tubes, a reciprocating pump, a mixing tube, and a holding ta...  
WO/2019/064779A1
[Problem] To provide a liquid agent application device that is capable of adjusting the displacement amount of a diaphragm. [Solution] A liquid agent application device 10 comprises a diaphragm 12 that changes the internal capacity of a ...  
WO/2019/065240A1
One embodiment of the drive device of the present invention is provided with: a rotor having a motor shaft disposed along a center axis extending in one direction; a stator radially facing the rotor with a gap therebetween; a housing hav...  
WO/2019/064770A1
[Problem] To provide a liquid agent application device with which it is possible to suppress damage to a piezoelectric element. [Solution] A liquid agent application device 10 comprises a diaphragm 12 that changes the internal capacity o...  

Matches 1 - 50 out of 10,472