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Matches 1 - 50 out of 14,085

Document Document Title
WO/2019/048750A1
The hydraulic piston (1) forms a hydraulic chamber (5) with a cylinder (4) and has a cylindrical body (6) that receives sealing means (16) and the cylindrical external surface (13) of which is housed with a little play in the cylinder (4...  
WO/2019/049744A1
In a first fluid circulation device, a heat exchanger, a tank that retains a first fluid fluidized by the heat exchanger, a first fluid pump that draws the first fluid retained by the tank, a heater that heats the first fluid drawn from ...  
WO/2019/041681A1
Provided are a positive-displacement pump (1) and an oil production device using the positive-displacement pump (1). The positive-displacement pump (1) comprises a housing (101), wherein the housing (101) is provided with a liquid discha...  
WO/2019/042495A1
Axial piston machines are known that work as a pump and/or motor, wherein the axial piston machines have at least one axial piston. In relation to this, a production method is proposed comprising the method steps: producing an intermedia...  
WO/2019/046733A1
A suction cover nut for a reciprocating pump includes a body configured to be at least partially received within an access port of a fluid cylinder of the reciprocating pump. The body extends a length along a central longitudinal axis. T...  
WO/2019/046680A1
A lubrication system for a frac pump includes a lubrication system housing, a lubricant tank held by the lubrication system housing, a heating device held by the lubrication system housing, a cooling device held by the lubrication system...  
WO/2019/038457A1
The present invention relates to a liquid metering device (1) for metering pumps, formed by a main longitudinal conduit (2) with first and second opposite ends (2.1, 2.2) comprising: a fluid inlet (3) at the first end (2.1), disposed per...  
WO/2019/040568A1
A mesh valve protection device (61) includes at least one layer of mesh (50), wherein the mesh valve protection device (61) is adapted to be positioned proximate an inlet of a valve assembly (20) so that a fluid flow controlled by the va...  
WO/2019/033471A1
A pump with a built-in photosensitive metering device, comprising an upper pump body (1) and a lower pump body (2); the upper pump body (1) and the lower pump body (2) respectively have an upper cavity (11) and a lower cavity (21), the l...  
WO/2019/034020A1
A pump body assembly, a pump, a sprinkler system, and an unmanned aerial vehicle are provided herein. The pump body assembly comprises a drainage outlet (1235) provided in a pump housing (12) and a valve body portion (51) of a valve core...  
WO/2019/033470A1
A pump having a built-in vibration induction measurement device, comprising an upper pump body (1) and a lower pump body (2). The upper pump body (1) and the lower pump body (2) are provided with an upper cavity (11) and a lower cavity (...  
WO/2019/032867A1
A sealing ring segment (200) of a sealing ring assembly may include three layers (201, 202, 203). The middle layer (202) is permeable to gas, thus allowing radial pressure-balancing on the sealing ring segment to reduce wear. The gas-per...  
WO/2019/024428A1
A reversing valve for a hydraulic piston pump, which is composed of a pilot valve (10) and a main valve (20); the pilot valve (10) comprises a pilot valve seat (13), a hollow valve core (12), and a slide shaft (17); the main valve (20) c...  
WO/2019/028342A1
A low-force, non-displacement, micro/miniature valve and/or pump assembly is provided. A tube component having a first side port coupled to an inlet portion and a second side port coupled to an outlet portion can be selectively moved to ...  
WO/2019/026939A1
This liquid mixing apparatus (10), which is used in a method for mixing liquids, comprises a control unit (49) that controls a plurality of supply valves (42) and a piston (52) such that each of a plurality of types of liquids is drawn i...  
WO/2019/025202A1
A sealing ring (38) for a piston pump (10) of a vehicle braking system, the ring having a sealing face (52) for placement against the piston outer surface (36) of an associated piston (14), is characterised according to the invention in ...  
WO/2019/023618A1
A lubrication additive recovery system is provided for use with a vapor compression system. The vapor compression system includes a compressor having a bearing, a condenser and an evaporator. The lubrication additive recovery system incl...  
WO/2019/016621A1
A valve for a positive displacement pump, a valve seat, a valve body for use therewith, and a pump comprising such a valve are described. The valve comprises a valve body and a valve seat each having engagement surfaces which are configu...  
WO/2019/016499A1
A heat exchanger for changing a temperature of a pumped gas flow and a pump comprising the heat exchanger is disclosed. The heat exchanger comprises: at least one tube configured to contain a flow of fluid; said at least one tube being a...  
WO/2019/014730A1
The present utility model patent relates to an innovative two-stage membrane compressor, the first stage being peristaltic and the second composed of three plano-spherical chambers linked in parallel. Said model allows minimal maintenanc...  
WO/2019/015859A1
The invention relates to a piston pump (16), in particular high-pressure fuel pumps for an internal combustion engine, comprising a pump housing (26), a pump piston (28) and a conveying chamber (39) defined at least by the pump housing (...  
WO/2019/015862A1
The invention relates to a piston pump (16), in particular a high-pressure fuel pump for an internal combustion engine, said piston pump comprising a pump housing (26), a pump piston (28) and a delivery chamber (38) delimited at least by...  
WO/2019/016620A1
A valve for a positive displacement pump, and a positive displacement pump including such a valve, are described. The valve comprises a valve body, a valve seat, a biaser to urge the valve seat toward the valve body, and a displacement d...  
WO/2019/013110A1
Provided is a pump having improved discharge efficiency. This pump for sucking in and discharging fluid is provided with a housing, a drive shaft which is rotatably supported by the housing, and a pump element which is accommodated in th...  
WO/2019/012056A1
The invention relates to a seal for a concrete pump cylinder having at least one primary seal and at least one secondary seal.  
WO/2019/006718A1
Disclosed is a filter device with an inverted filter screen and for a water pump inlet of a garbage incineration power plant. The filter device comprises a filter container (1A) and a filter screen (2) arranged inside the filter containe...  
WO/2019/007776A1
The supply of fuel to a cylinder (15) of a pump assembly is controlled by an intake valve (30) having a shut-off member (34), a disc (36) coupled by interference with the shut-off member (34), and a spring (35) engaged on the disc (36) s...  
WO/2019/007774A1
The invention relates to a dual acting pressure boosting liquid partition device (2), a system comprising the dual acting pressure boosting liquid partition device (2), a fleet comprising the system, and use of the device, system and fle...  
WO/2019/010206A1
A fluid pump valve assembly includes: a valve body; a fluid inlet and a fluid outlet defined in the valve body; an inlet disk and an outlet disk movably disposed in the valve body; and a valve seat fixed within the valve body and includi...  
WO/2019/007567A1
The invention relates to a high-pressure fuel pump comprising a piston, which extends along a piston longitudinal axis, and a seal which radially surrounds the piston, is arranged between the piston and a sealing carrier and seals an oil...  
WO/2019/010221A1
A fuel pump, is disclosed, including a power group having a housing, a coil, a pole piece and a movable armature; a valve group including a valve body, a plunger connected to the armature, a bushing in which the plunger is disposed, an i...  
WO/2019/008617A1
A liquid feed device comprising: a primary-side plunger pump; a secondary-side plunger pump connected in series to the primary-side plunger pump downstream the primary-side plunger pump; a check valve provided between an outlet of the pr...  
WO/2019/001719A1
The invention relates to a high-pressure cleaning device (10) comprising a pump (14) which has a suction line (24) and a pressure line (30), said pressure line (30) being equipped with a nonreturn valve (34), and which has an overflow va...  
WO/2018/234933A1
The invention relates to a positive displacement pump (10) comprising a pump body (11, 101, 201) comprising an inlet end (16, 116, 216) and an outlet end (18, 118, 218), a pumping chamber (30, 130, 230) arranged between said inlet end (1...  
WO/2018/228970A1
A pump unit for feeding fuel, in particular diesel fuel, to an internal combustion engine; the pump unit comprising a head (2) inside which a cylinder for housing a sliding pumping piston (4) is formed along an axis (A); an intake valve ...  
WO/2018/224201A1
The invention relates to a multi-part housing (1) for a diaphragm pump (10), comprising a first plastic part (2) and a second plastic part (3) which are connected to each other, wherein the connection is formed by a radial welded seam (4...  
WO/2018/224903A1
A floating-piston motor pump comprises a body delimited by a coil, an inlet duct and an outlet duct, a sliding piston and a magnetic sleeve coaxial to the sliding axis of the piston; the magnetic sleeve interacts with the pair of magneti...  
WO/2018/224769A1
The invention relates to a hydraulic piston (1) which constitutes a hydraulic chamber (5) with a cylinder (4) and has a cylindrical body (6) connected - on the side of said chamber (5) - by a valve stop-link (3) to a valve for holding a ...  
WO/2018/226388A1
A system includes a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid, wherein pressure of the first fluid is greater than pressure of the second fluid. The system also includes a ...  
WO/2018/217437A1
A closure for the fluid end of a reciprocating pump which uses a closure plate or assembly that is secured in a slot formed in the fluid end body so that no retaining threads must be formed in the body.  
WO/2018/206029A1
A tappet (1) is proposed, for a fuel pump or for a valve timing gear, in each case of an internal combustion engine, comprising a hollow-cylindrical housing (2), which consists of two separate portions (7, 8) lying in line one after the ...  
WO/2018/205552A1
Disclosed is an improved structure of a pump body, comprising an electric motor (1), a front end cap (2), controllable silicon (3) and a pump body (9), wherein a front end of the electric motor (1) is connected to the pump body (9); the ...  
WO/2018/197113A1
A fuel pump for a fuel injection system of an internal combustion engine comprises a pump housing and a fastening section (16) which is present on the pump housing for fastening the fuel pump to a base, in particular an engine block, whe...  
WO/2018/198459A1
The purpose of the present invention is to efficiently use exhaust heat without affecting the operating efficiency of a compressor. Provided is a compressor system comprising the following: a compressor including a compressor body, a dri...  
WO/2018/197182A1
The invention relates to a compressor, particularly a compressor for a compressed air supply of a compressed air supply facility, for operating a pneumatic system, comprising a first compression chamber, a second compression chamber, an ...  
WO/2018/192642A1
The present disclosure provides a method and system for delivering a high- viscosity fluid 300. In an example, a reciprocating a piston pumps a high-viscosity fluid 300 through a one-way check valve 130 into a pump chamber 125. Responsiv...  
WO/2018/191684A1
A valve seat for a reciprocating pump includes a generally cylindrical body that defines a bore axially therethrough and has a tapered outer surface. An annular surface is configured to form a seal with a displaceable portion of a valve....  
WO/2018/187549A1
A well pump assembly has a pump housing with an intake member. A barrel has a barrel head secured to and extending downward from the intake member. A plunger is reciprocally carried in the barrel bore. An intake passage extends coaxially...  
WO/2018/184700A1
An air-cooled high-pressure cleaning device comprising a housing (14), a motor pump unit (76) and an air guidance part (78), which encloses the motor pump unit (76) at least in part and which is fluidically connected to at least one cool...  
WO/2018/185005A1
An electromagnetic pump (100). The electromagnetic pump (100) comprises a conduit (101) comprising an inlet (103) and an outlet (105). A first magnetic field generating unit (109) is provided for generating a first magnetic field having ...  

Matches 1 - 50 out of 14,085