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Patent Searching and Data


Matches 1 - 50 out of 10,442

Document Document Title
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 ...  
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...  

Matches 1 - 50 out of 10,442