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Matches 101 - 150 out of 6,287

Document Document Title
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/2012/151699A1
Disclosed herein are several embodiments of rotors (gears) which utilize spherical involute curves to determine the surfaces of the lobes (teeth). In some embodiments the contact surfaces are radial projections of spherical involute surf...  
WO/2012/150069A1
The invention relates to an axial piston machine (1) with an inclined-axis construction, comprising a plurality of piston elements (3) that can be guided in a rotatable cylinder arrangement (2) such that they move longitudinally, and a r...  
WO/2012/142714A1
The present disclosure describes the use of involute curves for use in energy conversion devices, as well as timing or indexing gears. Several different embodiments are shown using rotors of several examples of lobe numbers and shapes.  
WO/2012/138237A1
An impact energy conversion device, designed particularly for a car bumper comprises cylinders and at least one confusor (4), where each confusor (4) is, at its inlet, connected to the main hydraulic cylinder (6) fitted inside with the b...  
WO/2012/137222A3
A process or method to create propulsion in vehicles of all types through an inbuilt propulsion system which uses the pressure exerted by pressurized and/or compressed fluid or fluids and/or other substances, without the internal motion ...  
WO/2012/137221A3
A Process or Method to create motion to drive, run or operate at least one machine or equipment or device or any part or portion thereof through the delivery of stored mechanical pressure of a compressed and/or pressurized and/or tension...  
WO/2012/116430A1
A piston-in-piston hydraulic unit is disclosed that utilises an elastic volume to store and release energy with each stroke by varying the hydraulic fluid volumes in and out of the hydraulic unit.  
WO/2012/117957A1
The objective of the present invention is to provide a swash plate-type motor equipped with a cylinder hole structure for use with a tilting piston, with which the abrasion resistance can be increased and the time required for a hardenin...  
WO/2012/114589A1
In order to reliably lubricate between a sliding protruding part of a support body and a sliding recessed part of a skew plate without incurring problems such as movement of the skew plate with respect to a casing, a ball retainer (50) h...  
WO/2012/104035A1
A piston assembly for a hydraulic piston motor is disclosed, having a piston and having a sliding pad, wherein the piston is connected to the sliding pad via a joint which has an articulation socket and an articulation head, wherein the ...  
WO/2012/106558A2
An apparatus and method for converting wave energy using the relative rotational movement between two interconnected float assemblies and the relative rotational movement between each of the float assemblies and a spar which extends from...  
WO/2012/100094A2
A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers...  
WO/2012/100094A3
A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers...  
WO/2012/094460A3
In an oil-sealed bearing assembly in the bearing section of a mud motor, in which a mandrel (20) is rotatably disposed within a cylindrical housing (30), a cylindrical sleeve (90) is disposed coaxially and rotatably around the mandrel (2...  
WO/2012/094460A4
In an oil-sealed bearing assembly in the bearing section of a mud motor, in which a mandrel (20) is rotatably disposed within a cylindrical housing (30), a cylindrical sleeve (90) is disposed coaxially and rotatably around the mandrel (2...  
WO/2012/091630A1
The invention relates to the field of engine building. The asymmetrical radial mechanical engine comprises: a housing (1) having a working surface (3) therein which is comprised of two eccentric halves, one having a circular surface and ...  
WO/2012/084092A3
The invention relates to a hydrostatic piston engine having a brake device (5) for producing a braking force on a rotor (3) of the piston engine (1). In order to actuate the brake device (5) an actuating element (6) is provided, on which...  
WO/2012/088451A3
A pump control system and a torque control valve are disclosed. In one embodiment, the torque control valve includes a sleeve, a spool disposed in the sleeve, and a piston rod disposed through the spool. The spool has a first recess area...  
WO/2012/077157A1
Provided is a skew plate-type rotary machine equipped with: a rotary shaft (3); a valve plate (4); a skew plate (15); a cylinder block (9) fitted onto rotary shaft (3) so as to be in sliding contact with the valve plate (4); cylinders (1...  
WO/2012/075625A1
A distributor assembly (12) includes a distributor housing (102) and a valve selector plate (104). The distributor housing (102) includes an axial bore (106) extending in an axial direction through the distributor housing. The valve sele...  
WO/2012/069734A1
The invention relates to a variable displacement hydraulic machine, in particular for a motor vehicle, said hydraulic machine comprising a rotating cylinder (10) including a series of axial pistons (12) connected to a first plate (14) ax...  
WO/2012/066593A1
Provided is a cooling structure for a cylinder block (12) with which the cooling characteristic for a sliding surface can be improved. The cylinder block (12) has multiple cylinders (20), and pistons are inserted into these cylinders (20...  
WO/2012/058527A2
A method for pressurizing a roll pocket of a displacement assembly of a fluid device includes providing a fluid device having a displacement assembly. The displacement assembly includes a ring defining a central bore and roll pockets dis...  
WO/2012/050446A1
The invention is related to a hydraulic device comprising a housing including pipe ports, a rotor (14) having rotor chambers (9) which are formed by a cylinder (11) and a piston (12) which rotate about a first axis of rotation (ml) and a...  
WO/2012/048783A1
The invention relates to a hydraulic axial piston engine having a crucible-shaped housing in which a pivotable cradle is mounted, on which pistons are supported. For the purpose of generating lift, the pistons are arranged parallel to a ...  
WO/2012/038198A1
The invention relates to a high-pressure pump for a fuel injection device of an internal combustion engine, in particular for a common rail injection system, having a pump casing in which, at least to some extent, at least one pump eleme...  
WO/2012/035270A1
Hydraulic device such as a motor or a pump comprising a first set of parts (1C), including a casing portion, and a second set of parts (1D) fixed to said first set. Said sets have a first and a second contact face (1C',1D'), respectively...  
WO/2012/029229A1
Provided is a cam motor which is easy to manufacture and maintain. The cam motor is provided with: a main shaft (2) which is arranged so as to be able to rotate around the shaft centre; a cam disc (3) which is arranged on the main shaft ...  
WO/2012/026348A1
An axial hydraulic pump configured in such a manner that the cylinder block (6) having cylinder bores formed around the rotation axis slides relative to the valve plate (7) having a high-pressure-side port and a low-pressure-side port an...  
WO/2012/022952A1
A ring cam (1 ) for a fluid-working machine is formed from a plurality of segments. (5, 7) The segments have piston facing surfaces (15, 16)together defining a working surface of the fluid-working machine. The segments comprise a leading...  
WO/2012/022924A1
A fluid-working machine for a renewable energy generation device, the fluid-working machine comprising a ring cam and a plurality of working chambers, the ring cam having an annular working surface extending around an axis of rotation of...  
WO/2012/023155A1
Disclosed is an integrated electro-hydraulic motor (1) provided with a hydraulic motor (10) and an electric motor (30). Said integrated electro-hydraulic motor (1) has a rotary shaft (11) rotated by a supplied hydraulic oil. The electric...  
WO/2012/022954A1
A fluid-working machine comprising a ring cam (1), at least one piston (11) defining a working chamber, and at least one valve (19, 21) associated with the or each working chamber for connecting the working chamber alternately to low and...  
WO/2012/023231A1
Disclosed is an electro-hydraulic drive system for a work machine, allowing efficient operation by means of oil pressure and electricity. Said drive system, which adjusts the flow rate of a hydraulic fluid by means of a control valve (6)...  
WO/2012/022444A1
The invention relates to a device having a plurality of valve-controlled piston engines, each of which has a group of cylinder-piston units. Each cylinder-piston unit has a low-pressure valve that can be actively controlled via at least ...  
WO/2012/022953A1
A ring cam (1 ) for a fluid-working machine is formed from a plurality of segments (5, 7). The segments have piston facing surfaces (15, 16) together defining a working surface of the fluid-working machine. The segments comprise a leadin...  
WO/2012/016283A1
A screw turbine comprising a helical turbine blade mounted for axial rotation, a mount associated with the helical turbine blade and mounting the helical turbine blade for axial rotation, and a generator associated with the helical turbi...  
WO/2012/017831A1
Provided is a motor-manipulated type hydraulic actuator unit, wherein an electric motor the movement of which is controlled by a control device activates a capacity adjustment mechanism via a driving-side arm and a driven-side arm, and w...  
WO/2012/017820A1
Provided is a fluid rotary machine of which footprint can be decreased by achieving a reduced parts count and a simplified valve structure as well as by reducing externally coupled pipes used for suction and discharge of a fluid. The flu...  
WO/2012/018878A3
A fluid device (10) includes a displacement assembly (16) and a balance plate assembly (14) disposed adjacent to the displacement assembly (16). The displacement assembly (16) includes a ring (28) and a rotor (26) disposed in a bore (34)...  
WO/2012/018758A3
A method of operating a pump/motor includes pumping working fluid into a high- pressure manifold with a first piston/cylinder assembly while the piston in the first piston/cylinder assembly is displaced from a bottom dead center position...  
WO/2012/014128A1
In an axial piston machine with variable displacement with tilted cylinder block, a distributor is coupled with the cylinder block, and a magnetostrictive position sensor has a magnet that is integral with the distributor and a sensor ro...  
WO/2012/014090A1
A rotary hydraulic machine having radial pistons, comprising a rotating shaft (2), a cylinder-housing body (3) having a plurality of housing seatings (4) arranged radially and equidistanced from the rotation axis (R) of the rotating shaf...  
WO/2012/016240A2
A variable displacement hydraulic axial piston machine includes (a) a housing having an outlet opening; (b) a barrel mounted in the housing for rotation about a rotation axis; (c) a plurality of pistons movable in respective bores in the...  
WO/2012/016240A3
A variable displacement hydraulic axial piston machine includes (a) a housing having an outlet opening; (b) a barrel mounted in the housing for rotation about a rotation axis; (c) a plurality of pistons movable in respective bores in the...  
WO/2012/010137A2
The invention relates to a hydraulic dual axial piston machine, comprising a first driving unit and a second driving unit, which are arranged one behind the other in the direction of the axis of a drive shaft and which are oriented oppos...  
WO/2012/010137A3
The invention relates to a hydraulic dual axial piston machine, comprising a first driving unit and a second driving unit, which are arranged one behind the other in the direction of the axis of a drive shaft and which are oriented oppos...  
WO/2012/010261A3
The invention relates to a piston unit of a radial piston machine. The piston unit has a stepped piston and a roller or a roller body. A hydrostatic pressure or force release is provided in a contact region between the stepped piston and...  

Matches 101 - 150 out of 6,287