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Patent Searching and Data


Matches 1 - 50 out of 10,465

Document Document Title
WO/2019/138858A1
Provided is a pump device capable of effectively reducing a pulse pressure. The pump device is provided with: a motor; a rotary shaft which is rotated by the motor; a drive unit including a cam which is disposed on the outer circumferenc...  
WO/2019/137862A1
A hydraulic machine (1) having a housing interior space (30) and having a group (16) of hydrostatic working chambers which are mounted in said housing interior space so as to be rotatable about an axis of rotation (18) and which, as the ...  
WO/2019/134990A1
The invention relates to a high-pressure fuel pump (10) having a housing bore (14) in a housing (12), which is delimited by a sealing arrangement (22), said sealing arrangement (22) comprising an axially movable sealing ring (28) and a r...  
WO/2019/126852A1
It is disclosed an integrated fuel pump, among other functionally necessary elements and components, at least one main body, by a solenoid housing structure, and identification markings arranged directly on the housing structure.  
WO/2019/126853A1
The present invention refers to a fuel injection pump, preferably for internal combustion engines, provided with a pumping unit and a fuel flow control electrovalve assembly, in particular comprising a movable valve sealing actuator and ...  
WO/2019/126851A1
It is disclosed an integrated fuel pump, among other functionally necessary elements and components, at least one main body, by a solenoid housing structure and a spacer. Said spacer is made of aluminum.  
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/2019/114915A1
The invention relates to positive displacement hydraulic pumps and motors with geometric volume controlled by control fluid volume that comprise cams. Each cam drives a set of followers, in the case of a pump, or the followers drive the ...  
WO/2019/113036A1
An angle adjustment mechanism for a pump and a motor includes a base, two eccentric bushings and a fixed link. The base has a hinge disposed between a motor flange and a pump flange and a pair of spaced apertures disposed opposite the hi...  
WO/2019/110190A1
The invention relates to a fuel delivery system for cryogenic fuels, comprising a high-pressure pump (1) that has a housing part (2) in which a cylindrical compression chamber (3) is formed, delimited by a reciprocating piston (4). Accor...  
WO/2019/106831A1
This working machine is provided with: first and second hydraulic motors; first and second hydraulic pumps provided to supply hydraulic oil to the respective corresponding first and second hydraulic motors; first and second swash plate a...  
WO/2019/103904A1
A pump and motor assembly (20) includes a centrifugal pump (30), a bent axis hydraulic pump 58, and a wet-type drive motor (228). The motor has a rotor and a stator that are submerged in hydraulic fluid for full lubrication and cooling. ...  
WO/2019/090972A1
Disclosed are a magnetic sliding shoe pair for an axial plunger pump and a motor and a control method, the magnetic sliding shoe pair comprising: plungers (9), coil sleeve pieces (8), sliding shoes (7) and an inclined disc (4), wherein c...  
WO/2019/090388A1
A system (3) for pumping fluid, including a sequence of two or more positive- displacement sub-systems (15A, 17A; 15B, 17B; 15C, 17C; 15D, 17D) each having a respective one-way inlet (21A, 21B, 21C, 21D). A respective one-way flow path (...  
WO/2019/082243A1
This liquid feeding device is provided with: a discharge rate calculation unit configured to use the volume V of a mobile phase inside a pump chamber of a closed pump just before starting a pre-compression stroke, the volume ΔV of the m...  
WO/2019/081239A1
The invention relates to a piston compressor (1) for compressing a working fluid, particularly a liquid or gaseous fuel, comprising a piston (4) that can move back and forth in a borehole (2) of a cylinder (3) and defines a compression c...  
WO/2019/081558A1
A hydraulic device (1) comprises a housing (2) and a shaft (3) which is rotatable about a first axis of rotation (4). The shaft (3) has a flange (8),a partly spherical portion (16) and a plurality of pistons (9), which are fixed to the f...  
WO/2019/081237A1
The invention relates to a piston compressor (1) for compressing a working fluid, particularly a liquid or gaseous fuel, comprising a piston (4) that can move back and forth in a borehole (2) of a cylinder (3) and defines a compression c...  
WO/2019/081967A1
The invention relates to a swash plate machine having a drive, which swash plate machine comprises a machine chamber and a drive chamber and has a swash plate (27), which is fastened to a swash plate shaft (82) and moves around a wobble ...  
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/2019/080384A1
An axial piston pump or motor with a fully external hold-down mechanism. The axial piston pump comprises a flow distributing plate (2), a cylinder block (3), a housing (4), a swashplate (10), and a drive shaft (11). A front end cover (12...  
WO/2019/076671A1
The present invention relates to a rotary barrel pump (6) comprising two plates: a movable plate (2) also driven by the drive shaft (5), and a plate (7) with variable inclination, wherein the two plates (2, 7) are connected to one anothe...  
WO/2019/079176A1
A reciprocating piston type hydraulic machine comprises a rotatable piston (60) configured for a controlled rotation and reciprocation within a cylinder bore of the hydraulic machine along a cylinder bore axis; wherein the reciprocating ...  
WO/2019/076670A1
The present invention relates to a rotary barrel pump in which the pivoting connection between the barrel (6) and the casing (15) is achieved by virtue of separate guiding and centering means.  
WO/2019/076672A1
The present invention concerns a device for forming a ball-and-socket joint having a finger. The device (10) comprises a cylindrical inner surface (11). The device comprises an outer surface (12) in the form of a sphere truncated at the ...  
WO/2019/072995A1
The invention relates to an axial piston machine comprising a barrel with cylinder bores and pistons which are received therein, which barrel is arranged between a sliding disc and a control plate, wherein the barrel is mounted such that...  
WO/2019/069619A1
Provided is a rotary-type cylinder device in which a piston body of a piston unit is shortened in the lengthwise direction to reduce the installation area and the number of guide bearings is reduced to the required minimum so as to decre...  
WO/2019/067859A1
Embodiments of apparatus for controlling the movement of matter, including but not limited to one-way fluid valves, are disclosed. The apparatus may include a transition nozzle, a funnel nozzle, and a reverse flow blocker arranged in ser...  
WO/2019/052735A1
In a pump arrangement (66) for a hydraulic unit (14) of a vehicle brake system having a pump housing (16) and a pump piston (22) which is guided so as to be displaceable axially back and forth in the pump housing (16), a damping element ...  
WO/2019/052928A1
The invention relates to a port plate (10, 11) that is used as a valve plate or a bearing plate. The port plate (10, 11) comprises a fluid blocking surface section (15) and a fluid passage surface section (13, 14) that is arranged within...  
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 ...  

Matches 1 - 50 out of 10,465