Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 651 - 700 out of 10,534

Document Document Title
WO/2013/037537A1
The invention relates to a pump, in particular a high-pressure fuel pump for a fuel injection system of an internal combustion engine, comprising at least one pump element (4) having a pump piston (6), which is driven in a lifting moveme...  
WO/2013/037555A1
The invention relates to a piston pump (24) having a housing (34) and at least one axially movable piston (48) arranged in a piston guide of the housing (34), wherein the piston (48) and/or the piston guide are each manufactured as a sin...  
WO/2012/164199A3
The invention relates to a hydraulic transmission device (40) for a machine, comprising: a disconnectable radial piston (58) hydraulic motor (42) including a cam (46B) solidly connected to a casing (46), a cylinder block (48) and an inte...  
WO/2013/037582A1
The invention relates to an adjustment device for a hydrostatic machine and a hydrostatic machine having such an adjustment device. According to the invention, there is a fail-safe valve, in addition to a control valve, via which the hyd...  
WO/2012/100919A3
The invention relates to a hydrostatic machine (1), in particular an axial piston machine, comprising a housing (3, 32), which has an inner housing part (47) for receiving the force flow, an outer housing part (46) for sealing and dampin...  
WO/2013/037545A1
The invention relates to a high-pressure fuel pump (1) for a fuel-injection system for injecting fuel into the combustion chamber of an internal combustion engine. The pump comprises at least one pump element (1.1) with a reciprocating p...  
WO/2013/037611A1
The invention relates to a piston guide sleeve which is to be inserted into an axial piston machine component that forms working chambers in order to guide a working piston of a hydraulic axial piston machine and which has at least one c...  
WO/2013/037543A1
The invention relates to a pump comprising a multi-part pump housing (22,40) and at least one pump element (10) which comprises a pump piston (12) which is at least indirectly driven by a stroke movement by a drive shaft (14). Said pump ...  
WO/2013/031072A1
A method of performing maintenance on a hydraulic pump 8 attached to a rotor of the power generating apparatus of renewable energy type and being formed such that a pump housing 21 houses a pressurized-oil production mechanism 50 for pro...  
WO/2013/001319A3
The present invention refers to a self-adjustable hydrostatic power system of linear power transfer equipped with a real time variable flow pump as well as the conversion of mechanical into electrical energy. It consists of a variable di...  
WO/2013/031248A1
The present invention is a thrust bearing that is built into a hydraulic continuously variable transmission, and is provided with an inner ring in contact with a piston of a piston chamber of a variable-capacity pump, an outer ring secur...  
WO/2013/030874A1
A hydraulic pump comprises (1) an outward ring (24), including demountable blocks (30) comprising piston cylinders (32), and an inward ring (21), comprising a ring cam (23), coupled through a drive shaft (8) to the blades of a turbine (4...  
WO/2013/029971A1
Disclosed are a clamping lever arrangement, a method for producing a clamping lever of a clamping lever arrangement of said type, and an actuation unit of a hydraulic machine having a clamping lever arrangement of said type, wherein the ...  
WO/2013/030873A1
A large hydraulic radial piston pump (1) suitable to be driven by the turbine (4)of a wind turbine generator has a circular cover (40) formed from at least three cover segments (42). Underneath the cover segments a seal (46) in the form ...  
WO/2012/162487A3
A pump (28) is disclosed. The pump may have a housing (42), a body (46) rotatably disposed within the housing and at least partially defining a plurality of barrels (48), a plurality of plungers (50) associated with the plurality of barr...  
WO/2013/028458A1
Hydraulic pump applications sometimes require the pump to be able to provide relatively low pressure with larger amounts of fluid moved, while other applications call for relatively higher pressures but less fluid moved. The multi-speed ...  
WO/2013/023687A1
The invention relates to a motor pump unit (10) comprising an electric motor (22) and a pump (12). The electric motor has a motor housing (28), on the outside of which a cooling channel (62) is disposed. The pump (12) has a suction inlet...  
WO/2013/022094A1
Provided is a sliding nut for a sliding screw device, a sliding screw device, and so on that are easy to manufacture and have outstanding sliding properties, including seize resistance and abrasion resistance, even under high-load condit...  
WO/2013/020655A1
A stop device for a spring cup of a return spring for an adjusting cylinder of a hydraulic machine is disclosed. Said return spring has two half-shells secured radially via a retaining ring on a fixed rod of the adjusting cylinder. The r...  
WO/2013/020789A1
A fuel pump (1) is provided for pressurising fuel in a high-pressure fuel injection system. The fuel pump (1) comprises a pump head (7), a pumping element (8), a frame (12) and a casing (3). The pump head (7) has a pumping chamber (7a) t...  
WO/2013/018146A1
Disclosed is a cylinder assembly (1) for a fluid-working machine, the assembly comprising a body (2) having a first end (3) and a second end (4) and comprising a cylinder (5), a poppet valve seat (9) and a face-sealing annular valve seat...  
WO/2013/017343A1
The invention relates to a piston pump having a pump housing (7) comprising a plurality of pump components determining the function of the piston pump, such as a pump piston (6) which is guided in sections, a piston return spring, and a ...  
WO/2013/013865A1
The invention relates to a piston pump (1) for delivering fluids, which piston pump comprises a cylinder (20), a piston which is movably mounted in the cylinder (20), and a pressure chamber (24) which is arranged between an inlet valve a...  
WO/2013/010627A1
Roller tappet pump unit comprising at least one tappet body (1), at least one bearing journal (2), at least one bearing bush (3) and at least one roller (4), at least one high-pressure pump and at least one spring without a spring force ...  
WO/2013/010320A1
A hydraulic variable pump. The hydraulic variable pump has a swashplate (10) and a servo piston (12) connected to the swashplate. The swashplate adjusts an inclined angle thereof through motion of the servo piston, so as to change the di...  
WO/2013/007566A1
The present invention relates to a downhole hydraulic pump for providing fluid pressure during downhole operations, comprising a pump housing, a cam shaft rotatably arranged in the pump housing and having a longitudinal spin axis, the ca...  
WO/2013/009297A1
A pump can include two pistons, each piston having one side exposed to a support pressure and another side exposed to a respective annular chamber, the chambers being pressurized greater than the support pressure. Fluid can be discharged...  
WO/2011/087576A3
A hydraulic machine includes a support structure and a rotating group rotatably mounted relative to the support structure. The rotating group includes a shaft and a cylinder barrel with a plurality of circumferentially spaced cylinder bo...  
WO/2013/007905A1
The invention relates to a combustion engine (12) and pump (14) assembly, wherein: the pump includes: a frame (18) defining a fluid compression chamber (20), which is attached to the engine (16); and a pump piston (26) suitable for compr...  
WO/2013/005703A1
The objective of the present invention is to provide a swash plate type hydraulic motor and a swash plate type hydraulic pump having a construction with which abrasion/cracking of the swash plate can be prevented, without applying a hard...  
WO/2011/150529A8
A piston pump device has a support unit (2), a pump cylinder (4, 4') and a pump piston (42) which is arranged in the pump cylinder (4, 4'). The pump cylinder (4, 4') has a longitudinal central axis and has a cylinder base (45, 45') arran...  
WO/2013/001319A2
The present invention refers to a self-adjustable hydrostatic power system of linear power transfer equipped with a real time variable flow pump as well as the conversion of mechanical into electrical energy. It consists of a variable di...  
WO/2012/114202A8
By means of the energy-generating system, when an extension arm, which is mounted on an axial shaft, stands upwards and has in-built, movable weights, is lowered, hydraulic energy is produced and pressure exerted against the abutments of...  
WO/2012/175281A1
The invention relates to a high-pressure pump, in particular for a fuel injection device of an internal combustion engine, having at least one pump piston (5) which is driven at least indirectly by a drive shaft (2) in a reciprocating mo...  
WO/2012/171762A1
The invention relates to a pump, comprising at least one pump element (18) that has a pump piston (20) driven by a rotating drive shaft (14) at least indirectly with a lifting motion, wherein the drive shaft (14) comprises at least one c...  
WO/2012/167855A1
A hydrostatic axial piston machine is disclosed having cylinder/piston units, via which hydrostatic working chambers are delimited which can be connected in an alternating manner to a first control channel and to a second control channel...  
WO/2012/163576A1
A pump unit for supplying fuel, preferably diesel oil, to an internal combustion engine has a piston (10), which is engaged slidably in a cylinder (6) formed in a pump housing (2), is moved through a stroke for the intake of fuel into th...  
WO/2012/163343A1
The invention relates to a radial piston pump (1), comprising a housing (3), a cylinder block (5) arranged in the housing (3), an interior (7) inside the cylinder block (5), a rotatably supported eccentric (9) being arranged in the inter...  
WO/2012/163527A1
The present disclosure refers to a fuel pump component (34; 340; 400; 410) configured to be supported in a friction/plain bearing of a fuel lubricated fuel pump (18; 180). The fuel pump component (34; 340; 400; 410) may comprise at least...  
WO/2012/163686A2
A high-pressure fuel pump assembly (200) for use in an internal combustion engine is disclosed. The fuel pump assembly (200) comprises a pumping plunger (201) for pressurising fuel within a pump chamber (220) during a plunger pumping str...  
WO/2012/164199A2
The invention relates to a hydraulic transmission device (40) for a machine, comprising: a disconnectable radial piston (58) hydraulic motor (42) including a cam (46B) solidly connected to a casing (46), a cylinder block (48) and an inte...  
WO/2012/159725A1
The invention relates to a radial piston machine and a piston for a radial piston machine, wherein pistons that are movable in the radial direction are guided along a lifting surface of a cam ring by way of a roller. The roller is hydros...  
WO/2012/162487A2
A pump (28) is disclosed. The pump may have a housing (42), a body (46) rotatably disposed within the housing and at least partially defining a plurality of barrels (48), a plurality of plungers (50) associated with the plurality of barr...  
WO/2012/156195A1
The invention relates to a roller tappet (5), in particular of a reciprocating pump, wherein the roller tappet (5) comprises a rotatably mounted roller that cooperates with a roller shoe (8). The aim of the invention is to improve the st...  
WO/2012/156136A1
The invention relates to a high pressure pump, in particular a fuel injection system of an internal combustion engine, having a pump housing 1 having a pump inner chamber 2, in which a pump camshaft 3 is rotatably mounted, which camshaft...  
WO/2012/156137A1
The invention relates to a piston pump, having a pump housing (4), in which a pump camshaft (5) is rotatably mounted, which interacts with a pump piston (1) via a roller plunger (10) that is translationally movably mounted in the pump ho...  
WO/2012/154924A1
An electronic control valve having a valve stationary portion defining a substantially central bore extending along an axis of the valve, and a valve train including a movable member of the valve. The valve train movable member is dispos...  
WO/2012/152595A1
Pump, in particular high-pressure pump of a fuel injection system, having a pump camshaft (5) which has at least one cam (8), wherein a running roller (9) of a roller tappet (10) which can be moved in a housing guide (17) runs on the cam...  
WO/2012/152604A1
The invention relates to a shaft bearing for a high-pressure pump, comprising a bearing bore (2) formed in a housing part (1) of the high-pressure pump and/or a bearing bushing (3), and a shaft section (4) of a drive shaft (5), which sha...  
WO/2012/152058A1
Disclosed is a duplex plunger pump, which comprises a first cylinder block (101), a second cylinder block (102), and a valve plate (114) corresponding to the first cylinder block and the second cylinder block respectively, with the axis ...  

Matches 651 - 700 out of 10,534