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Patent Searching and Data


Matches 1 - 50 out of 10,419

Document Document Title
WO/2019/048647A1
The invention relates to a compressor (1) having at least one metal diaphragm bellows (16), forming a positive displacement chamber, for compressing and/or for conveying gases, comprising a housing in which a drive and the metal diaphrag...  
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/2018/156974A8
Apparatuses, methods and systems for dispensing liquids and fluids at specified flow rates are disclosed. In many embodiments, a pump is not required. Some embodiments are configured to provide constant flow rates, and other embodiments ...  
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/2019/042842A1
A roller cam follower (19) for a pump assembly for supplying fuel to an internal combustion engine, the roller cam follower comprising a cup-shaped cam follower body (20) having an end wall (22) configured for coupling with a piston (8) ...  
WO/2019/038024A1
A camshaft (24), in particular for a pump (10), is proposed. The camshaft (24) has at least two cams (26, 28) which are arranged next to one another in the direction of the longitudinal axis (25) of the camshaft (24) and the cam elevatio...  
WO/2019/038108A1
A system for pumping and/or compressing fluids is provided. The system comprises a base, a motor, a cam configured to be rotated about an axis of rotation by the motor, and one or more cylinder piston arrangements. Each cylinder piston a...  
WO/2019/035355A1
A piston pump (100, 200) comprises: a plurality of pistons (6); a cylinder block (2) having provided therein a plurality of cylinders (2a) coupled to a shaft (1) and housing the pistons (6); a shoe (10) rotatably coupled to the tip of th...  
WO/2019/032904A1
A sealing ring (200) includes a first sealing element (220) having a first mating surface and a second sealing element (230) having a second mating surface. A high-pressure boundary (250) extends across at least a portion of the first se...  
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/2019/026892A1
This hydraulic drive device is provided with: an electric motor; a variable capacity pump which is driven by the electric motor and which has a pair of pump ports of which a discharge side and a suction side switch in accordance with the...  
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/2019/022252A1
A fault diagnosis device, which diagnoses faults in a swash plate pump, comprises: a history acquisition unit that, on the basis of an intake flow rate detected by a flow rate calculation unit, acquires actual history data indicating the...  
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/2019/015863A1
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 (38) defined at least by the pump housing (...  
WO/2019/015857A1
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 (38) defined at least by the pump piston (2...  
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/2019/011561A1
The invention relates to a pump (4), in particular a fuel pump, comprising at least one working chamber (5), in which a piston (6), by means of a drive, bounds the working chamber (5) in a cylinder and pressurizes a fluid, in particular ...  
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/2019/007776A1
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/2019/008617A1
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/2019/002774A1
The invention relates to an assembly comprising a hydraulic apparatus (3) comprising a rotor and a stator, the rotor being mounted so as to turn about a second rotation axis (Z-Z) with respect to the stator and being secured to means sui...  
WO/2019/005619A1
A variable stroke high pressure pump is disclosed. The pump uses a wobble plate design with dynamically variable tilt to provide continuous adjustment of pump stroke length and output. Dynamically variable tilt is accomplished using a li...  
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/2019/002781A1
The invention relates to a hydraulic device (3) comprising: a stator and a rotor, in which the rotor can rotate relative to the stator about a first axis of rotation (Z-Z); and a shaft (4) mounted on the rotor such as to rotate therewith...  
WO/2019/003066A1
An electric pump system and method of operating the same involves pumping a fluid through a fluid passageway defined in a mechanical pump from a pump inlet to a hollow shaft of a motor, through the hollow shaft to an internal motor cavit...  
WO/2018/235573A1
This variable displacement hydraulic pump or motor (10) having a swash plate (13) is provided with: a lever (22) supported by a housing (21) and pivoting with the tilting of the swash plate (13); and a sensor (23) for detecting the amoun...  
WO/2018/234712A1
The invention relates to a coextrusion installation (1) for producing a complex profiled section which can be used for tyres and is made from rubber mixtures with different compositions, said installation comprising at least one first ex...  
WO/2018/228967A1
A pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine, the pump unit comprising: a head (2) inside which a cylinder (3) is formed along an axis (A) for housing a sliding pumping piston (4); an intake valv...  
WO/2018/226100A1
Wind turbine generator with hydraulic pump Wind turbine, comprising a tower (2) and a head (6) mounted at an upper end of said tower (2), rotational around a head axis, wherein a propeller (9) is mounted to said head (6), rotatable aroun...  
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/2018/216418A1
A variable displacement oil pump 1 is provided with: a rotary shaft 2; pump bodies 3; axial cylinders 3a; pistons 5; a swash plate 6 that applies axial displacement corresponding to a tilt angle with respect to the rotary shaft 2 to each...  
WO/2018/216420A1
A variable displacement oil pump 1 is provided with a rotary shaft 2, a pump body 3, a piston 5, a swash plate 6, and an angle changing mechanism A that changes the tilt angle of the swash plate 6 with respect to the rotary shaft 2, wher...  
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/2018/215514A1
The invention relates to improved bearing and lubrication between cylinder blocks (3) and valve segments (2) of hydraulic axial piston units (1) and their rotating kits. In the valve segments first and a second kidney-shaped ports (11, 2...  
WO/2018/213513A1
A pump may generally include a frame including a reservoir. The reservoir stores a hydraulic fluid. The pump may also include a motor assembly supported by the frame and a pump assembly operably driven by the motor assembly. The pump ass...  
WO/2018/205015A1
A hydrostatic drive system comprises a housing, two hydrostatic radial piston machines within the housing and fluidly coupled to each other, and an intermediate control plate element common to each of the two hydrostatic radial piston ma...  
WO/2018/202665A1
A hydraulic device (1) comprises a housing (27), a shaft (2) which is mounted in the housing (27) and rotatable about a first axis of rotation (4), wherein the shaft (2)has a flange (8) extending perpendicularly to the first axis (4), a ...  
WO/2018/192929A1
This application device (8), intended for applying at least one fluid product (35) to a substrate, comprises an application member (20) for formatting the or each fluid product (35) so that it can be applied to the substrate, the applica...  
WO/2018/187605A1
A head assembly for a multi-cylinder compressor or pump having a first cylinder and a second cylinder includes a valve plate that has a first cylinder portion and a second cylinder portion. The valve plate further includes a valve plate ...  
WO/2018/184620A1
The invention relates to a roller tappet, in particular for a high-pressure fuel pump, which roller tappet is guided in the direction of the longitudinal axis thereof in a housing receptacle and is driven translatably in the longitudinal...  
WO/2018/178502A1
Invention relates to a fuel pump (10) for supplying fuel to an internal combustion piston engine, comprising a body (18) and a cylindrical space (30) in the body having a central axis (32), a piston member (28) arranged to reciprocate in...  
WO/2018/177694A1
The invention relates to a tappet assembly (1) for supporting a pump piston (2), which can carry out a stroke movement, of a radial piston pump, in particular a high-pressure fuel pump, on a cam (3) of a drive shaft (4), comprising a tap...  
WO/2018/178501A1
Invention relates to a high pressure fuel pump assembly (100) comprising a number of piston pump units (10) driven by a drive shaft (110) of the pump assembly (100), a drive shaft lubrication system (114) and pump unit lubrication system...  
WO/2018/178500A1
Invention relates to a fuel pump (10) for supplying fuel to an internal combustion piston engine, comprising a body (18) and a cylindrical space (30) in the body (18) having a central axis (32) a piston member (28) arranged to reciprocat...  
WO/2018/183154A1
A positive displacement pump is provided. The pump comprises at least one piston operable to be powered by a power source and to pressurize a fluid. The at least one piston comprises an at least partially hollow piston wherein a flow of ...  
WO/2018/170632A1
A breathing device for a bionic robot, comprising a motor (1), a cylinder fixing member (2), a rotor (3), a rotor fixing bracket (4), blades (5), a damping block (6), an air chamber (7), a left air chamber (71), a right air chamber (72),...  
WO/2018/172050A1
The present invention relates to a pump (1) comprising two pump assemblies symmetrically arranged relative to a plane perpendicular to the axis of a drive shaft (12), each pump assembly comprising a cylinder (4, 5), a plate (2, 3), an in...  

Matches 1 - 50 out of 10,419