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Patent Searching and Data


Matches 101 - 150 out of 6,362

Document Document Title
WO/2013/125433A1
 A hydraulic motor provided with a motor mechanism that rotationally operates using an operating hydraulic guided from an operating hydraulic source. The hydraulic motor is provided with: a casing in which a casing chamber accommodatin...  
WO/2013/124557A1
A compact hydraulic unit (11) for providing a vehicle with drive power, comprising a housing (16) in which a first (14) and a second (15) hydraulic motor are housed, mounted in opposition, one of the two motors being supported in rotatio...  
WO/2013/124559A1
A compact hydraulic unit (12) for providing a vehicle with drive power, comprising a housing (16) in which a hydraulic motor (11) is housed comprising a distribution plate (13), a plate (17) supporting floating cylinders (9), a plate (3)...  
WO/2013/116899A1
A compact electricity generating apparatus for use in tidal flows and streams with flow depths as low as 0.2 m uses an Archimedes screw located in a channel within a housing. Water flowing through the channel drives the screw and the rot...  
WO/2013/112113A1
The invention relates to environmentally friendly liquid engines which are used for producing mechanical energy using the flywheel of a crankshaft, and also for producing electrical energy by collecting liquid at a level higher than the ...  
WO/2013/112112A1
The invention relates to submersible liquid engines which are used for producing mechanical energy from a crankshaft, and also can produce electrical energy from mechanical energy using corresponding devices and mechanisms. The submersib...  
WO/2013/087593A1
The invention relates to a pressure intensifier (10), having a pressure-intensifier housing (11), in which a low-pressure piston (15) with a first pressure surface (18) is arranged in the pressure-intensifier housing (11), which low-pres...  
WO/2013/087666A1
The invention relates to a hydrostatic axial piston machine with a housing, with a drive shaft onto which a circular flange is fastened in a rotationally fixed manner, with a rotatable rotor disc which is arranged or set in such a way th...  
WO/2013/087593A9
The invention relates to a pressure intensifier (10), having a pressure-intensifier housing (11), in which a low-pressure piston (15) with a first pressure surface (18) is arranged in the pressure-intensifier housing (11), which low-pres...  
WO/2013/084542A1
The present invention comprises a pair of gears (20) having mutually meshing teeth, a housing having a fluid-pressure chamber in which the pair of gears (20) are accommodated in meshed condition, and a bushing accommodated in the fluid-p...  
WO/2013/083542A2
The present invention relates to a vane pump (100), to a vane turbine including a rotor having vanes mounted so as to be freely slidable in radial slots, wherein either end of said assembly is accommodated in two rotary sleeves, respecti...  
WO/2013/068377A3
The present application relates to a system for creating a dynamic seal of a hydrostatic motor (M) which is intended to be mounted on a shaft (1), said system being characterized in that it comprises: a sealing element comprising a carri...  
WO/2013/068449A3
A hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors, comprising: - a first main circuit (2) and a second main circuit (3), which are adapted to connect selectively a supply of pressurize...  
WO/2013/068449A2
A hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors, comprising: - a first main circuit (2) and a second main circuit (3), which are adapted to connect selectively a supply of pressurize...  
WO/2013/062440A3
The invention relates to engine building and can be used in power-plant engineering, locomotive engineering, shipbuilding, aviation, and tractor and automotive engineering. The engine comprises a stationary hollow housing, a rotor with f...  
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/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/2013/031248A1
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/2013/022373A1
The invention relates to the field of propulsion engineering. The radial piston hydraulic engine (see figure 1) comprises a housing (1), inside which an eccentric working surface (3) is provided comprising, for example, two halves of sph...  
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/2013/006902A1
A rotary fluid machine (10) has a rotor (12), a stator (14), and a plurality of gates. The (rotor 12) and stator (14) are rotatable relative to each other and arranged one inside the other to define a working chamber (18) there between. ...  
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/2013/005259A3
A wind turbine generator (100), or other energy extraction device, has a hydraulic circuit comprising a hydraulic pump (129) driven by a rotating shaft (125) and a hydraulic motor (131) driving an electricity generator (157), or other lo...  
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/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...  

Matches 101 - 150 out of 6,362