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WO/2022/200275A2 |
The invention relates inter alia to a thick matter distributing boom (18) for distributing a thick matter to be conveyed by means of a thick matter pump (16), comprising: a slewing gear (19) which is rotatable about a vertical axis with ...
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WO/2022/200252A1 |
The invention relates to, inter alia, a thick matter conveying system (10) comprising a thick matter pump (16) for conveying a thick matter, comprising a double-piston-type core pump (15) which has a pump frequency; an S tube (24) which ...
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WO/2022/189201A1 |
The invention relates to a method for operating a construction-material and/or viscous-material pump (1) for conveying construction material and/or viscous material (BDS), - wherein the method has the steps of: a) determining a required ...
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WO/2022/189542A1 |
The invention relates to a piston pump, in particular a high-pressure fuel pump for an internal combustion engine, comprising a pump housing, a pump piston (14), a supply chamber delimited at least by the pump housing and the pump piston...
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WO/2022/179798A1 |
The invention relates to a drive device (10) for a high-pressure cleaning apparatus, comprising a motor (12), the motor shaft (14) of which is rotatably mounted to a motor flange (18) and coupled to a swash plate arrangement (22) via a p...
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WO/2022/177841A1 |
A variable displacement hydraulic pump including a control actuator configured to interact with a movable displacement control member to control the displacement of the pump; and a displacement control valve assembly configured to provid...
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WO/2022/172097A1 |
A piston pump (1) is described for pumping a liquid comprising: a head (10) wherein at least a cylinder (15) is obtained, a piston (45) slidably inserted in the cylinder, a first sealing annular gasket (60) which circumferentially sealin...
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WO/2022/172099A1 |
The present invention relates to an axial piston pump (1) of the rotating inclined plate type for pumping a liquid comprising: a head (25), a plurality of cylinders (30) made in the head (25) in a number greater than two, having axes (C)...
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WO/2022/173658A1 |
A hydraulic pump (48) or motor (46) includes a mounting flange (78) that is disposed at the first end of the housing (60). The mounting flange (78) defines a pair of bolt receiving slots (80) that are disposed along the X-axis on either ...
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WO/2022/167026A1 |
The invention relates to a device for pulsed liquid dispensing, comprising a feed line, a dispensing unit, and comprising a conveying device, the dispensing unit having a rigid lance with a dispensing tube, and to the use of this device ...
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WO/2022/166096A1 |
A flow divider (1), a hydraulic end (3) and a plunger pump (30). The flow divider comprises: a body (10), the body (10) being cylindrical, and the body (10) comprising a first end (1001), a second end (1002) and a side surface (1003) con...
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WO/2022/156262A1 |
A low-pressure liquid intake manifold and a fracturing device. The low-pressure liquid intake manifold (100) comprises a main liquid intake pipe (110) and N liquid feeding pipes (120). The main liquid intake pipe (110) comprises a first ...
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WO/2022/156967A1 |
Variable displacement hydraulic unit (1) with a housing (3) in which at least one rotating group (5) is housed, wherein the displacement volume of the rotating group (5) is variably adjustable by means of a swivel element (7) able to til...
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WO/2022/130026A1 |
Hydrostatic radial piston unit of the cam-lobe type of construction comprising a shaft defining a rotational axis of the hydrostatic radial piston unit. The shaft extends with a front end region from a non-rotary, stationary rear casing ...
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WO/2022/126757A1 |
Hydrostatic radial piston unit comprising a front case part accommodating a drive shaft via shaft bearing means so that the drive shaft can rotate around a central axis relative to the front case part. A rear case part is attached on one...
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WO/2022/123149A1 |
A system (1) comprising a primary machine (10), a hydraulic machine (20) and a variable frequency drive (30) which are disposed in an assembly housing (40), the system (1) being characterized in that it comprises a cooling circuit (50) d...
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WO/2022/117240A1 |
The invention relates to a piston pump (10) for a high-pressure cleaning device, comprising a pump housing (12) that has a first housing part (14) and a second housing part (16), each of which is designed as a metal part. The first housi...
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WO/2022/117239A1 |
The invention relates to a piston pump (10) for a high-pressure cleaning device, comprising a pump housing (12) that has a first housing part (14) and a second housing part (16), each of which is designed as a metal part. The first housi...
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WO/2022/109691A1 |
The present invention patent relates to a hydraulic unit (U) that uses at least one rolling weight (8) having radial movement, connected to a drive shaft (3) moved by at least one servomotor (1), in order to exert a force, favoured by th...
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WO/2022/106234A1 |
A piston pump (16), in particular a high-pressure fuel pump for an internal combustion engine, comprising: a pump housing (26); a pump piston (28) which is guided in the pump housing (26); a conveying chamber (38) which is delimited at l...
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WO/2022/100884A1 |
PROBLEM: To provide a calibration system for variable capacity hydraulic pump capable of improving flow rate control accuracy. SOLUTION: A calibration system (2) for variable capacity hydraulic pump comprises a variable capacity hydrauli...
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WO/2022/101341A1 |
Disclosed is a method for controlling a load-sensitive hydraulic pump (12) of a hydraulic drive of a working machine, wherein: the drive is provided with the hydraulic pump (12) for supplying pressure medium to a consumer (14) of the dri...
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WO/2022/095071A1 |
The present application provides a plunger pump, a plant-protection unmanned aerial vehicle, and a spray device. The plunger pump comprises: a plunger cavity, provided with a liquid inlet and a liquid outlet; a plunger structure at least...
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WO/2022/095072A1 |
A plunger pump and a plant protection unmanned aerial vehicle. The plunger pump (100) comprises a pump body (31) and a plurality of distribution chambers (313); the pump body (31) comprises: a water inlet (311), the water inlet (311) bei...
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WO/2022/074082A1 |
The present invention relates to a pump (110) for a fuel delivery system. The pump (110) comprises a main housing (112) and a plunger housing (114) arranged to couple to the main housing (112) so as to define a compression chamber (116) ...
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WO/2022/065501A1 |
A hydraulic pump (1) comprises: a valve plate (6) having formed therein an intake port and a discharge port; a valve cover (7) to which the valve plate (6) is attached; and a cylinder block (2) that slides with the valve plate (6). The v...
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WO/2022/056738A1 |
A bent axis plunger-type variable hydraulic motor pump, comprising a cylinder body (8), a plunger (7), a ball connecting rod (5), a plunger spherical hinge (10), a multistage ball track spherical hinge shaft (1), a multistage ball track ...
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WO/2022/054807A1 |
This valve plate has a discharge port 52 and intake port 51 on a circumference centered on a rotation axis 20C, the purpose of these ports being to prevent situations in which problems such as seizure occur between a bubble plate and an ...
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WO/2022/049152A1 |
A hydro injector for delivery of the water from a deep water source under pressure to a turbine comprising a series of sections each one of which is linked by a pipe for delivery of water to a water vessel from which the water is provide...
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WO/2022/041908A1 |
An air compressor, comprising: a drive motor (1) and a seat body (2) located at an end part of the drive motor (1). The seat body (2) has a cylindrical shape that runs through at both ends. An eccentric disk (3) is connected to an output...
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WO/2022/035383A1 |
A radial rotary piston machine comprising a frame (1), at least one opening (13) for inlet of a medium into the machine and at least one opening (14) for discharge of a medium out of the machine, where the frame (1) comprises end plates ...
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WO/2022/036230A1 |
The present disclosure provides a high-pressure fuel pump including a barrel unit, a plunger, and a camshaft assembly having an eccentric cam lobe including a surface of the lobe. A follower is provided between the plunger and the surfac...
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WO/2022/033899A1 |
Hydrostatic servo assembly unit (1) for being arranged inside, outside or distant from a variable displacement hydrostatic unit (100) and for controlling the displacement of the variable displacement hydrostatic unit (100). The servo ass...
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WO/2022/016910A1 |
An emulsion plunger pump, comprising: a pump head assembly (100). The pump head assembly (100) comprises: a pump head body (101) and a liquid suction valve assembly (102) located in the pump head body (101), a liquid discharge valve asse...
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WO/2022/020438A1 |
One embodiment of a hub feed oil system is used to provide oil to components on the rotating side of an aircraft rotor hub system. A pump is configured so that a portion of the pump rotates with the rotating portion of the rotor system a...
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WO/2022/016911A1 |
A plunger pump, comprising a pump head assembly (100), which comprises: a pump head body (101), a chamber being provided in the pump head body (101); a liquid suction valve assembly (102), a liquid discharge valve assembly (103), and a s...
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WO/2022/020823A1 |
A wave cam drive system for a liquid pump sprayer that provides for improved pumping performance and a reduction in weight and size for a comparable liquid pump. The wave cam drive system includes a cam coupled to a drive shaft of an ele...
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WO/2022/013062A1 |
The present invention relates to a radial piston pump, comprising a pump shaft (1) with an eccentric (11), and comprising at least one piston-working chamber combination (2), wherein the piston-working chamber combination (2) comprises a...
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WO/2022/007325A1 |
A low-speed high-torque valve flow distribution inner curve radial piston-type high-water-base hydraulic motor, which is suitable for industrial and mining enterprises. A rail (9) is arranged on the outer side of a motor rotor (10), with...
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WO/2022/004204A1 |
This axial piston device comprises a cylinder block 11 that rotates integrally with a rotating shaft, a plurality of pistons accommodated in each of a plurality of cylinder chambers 12 in an area in which the rotating shaft is surrounded...
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WO/2021/259723A1 |
The invention relates to an axial piston machine in which pistons carry out a stroke movement in cylinders and in which the pistons have a seal ring receptacle for a seal ring. In order to improve robustness, wear resistance, friction an...
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WO/2021/250348A1 |
The rotating hydraulic machine (102) comprises: - a housing (10), - a shaft (20) movably mounted relative to the housing about an axis, - an apron (24) rigidly connected to the shaft and extending around at least a portion of the housing...
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WO/2021/244999A1 |
The present invention relates to a method for adapting a pressure (p) of a hydraulic pump (2) of a traction drive (1), wherein the traction drive is equipped with the hydraulic pump (2) for the purposes of supplying pressure medium to a ...
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WO/2021/240952A1 |
A piston pump (100) comprises a tilt mechanism (30) that biases a swash plate (8) in accordance with a control pressure, a support spring (20) that supports the swash plate (8) by exerting a biasing force that opposes the biasing force o...
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WO/2021/239785A1 |
The invention relates to a high-pressure pump for raising the pressure level of a fluid, more particularly a fuel, the high-pressure pump comprising: - a movable piston for compressing a pump chamber; - an inlet valve for letting the flu...
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WO/2021/240951A1 |
A piston pump (100) comprises a first biasing mechanism (30) that biases a swashplate (8) in accordance with a supplied control pressure, a second biasing mechanism (40) that biases the swashplate (8) against the first biasing mechanism ...
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WO/2021/240090A1 |
Disclosed is a hydraulic machine (1) comprising a first assembly (10) and a second assembly (20) capable of rotating relative to one another about an axis of rotation (X-X), said hydraulic machine (1) comprising a casing defining an inte...
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WO/2021/235967A1 |
In an axial piston pump with energy recovery, two pistons are used in each cylinder of a rotor. The additional second piston, moved by a fluid used to recover energy, increases the pressure of the pumped fluid at the very beginning of th...
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WO/2021/236889A1 |
A hub puller kit (200) for power ends of frac pumps includes: an adapter flange (210) comprising a first surface (214), a second surface (215), one or more sets of fastener openings (216) extending from the first surface to the second su...
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WO/2021/204542A1 |
The invention relates to an assembly consisting of a working system (AS) for carrying out work using a pressurized hydraulic fluid and a displacement pump (P1), comprising a regulating device for discreetly changing the system volumetric...
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