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WO/2015/001529A1 |
A hydrostatic assembly employing a 1st hydraulic piston drive unit is described in which the output is increased without using additional servo assemblies by incorporating a 2nd hydraulic piston drive unit, coupling the drive shafts of b...
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WO/2014/208117A1 |
In the present invention, a transmission device for a harvester has, inside a transmission case (43): a horizontal driven shaft (45) which is installed adjacently and in a posture parallel to an input shaft (44) of the transmission case ...
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WO/2014/127182A1 |
A center section/motor sub-assembly for use in a hydrostatic transmission includes a center section having a pump running face for interfacing with a pump, and a motor running face for interfacing with a motor. The center section and the...
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WO/2014/118478A1 |
The invention concerns an hydraulic motor pump (1) which has a fixed or variable cylinder capacity and comprises a central motor pump rotor (3) accommodating an hydraulic cylinder (14), the rotor (3) being in sealed contact with an input...
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WO/2014/118477A1 |
The invention concerns an hydraulic motor pump (1) having a fixed or variable cylinder capacity and comprising a central motor pump rotor (3) in which is disposed an hydraulic cylinder (14), the rotor (3) being in sealed contact with an ...
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WO/2014/118479A1 |
The invention concerns an hydraulic motor pump (1) having a fixed or variable cylinder capacity and comprising a central motor pump rotor (3) which accommodates an hydraulic cylinder (14), the rotor (3) being in sealed contact with an in...
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WO/2014/032120A1 |
There is provided a gear assembly (10) comprising a housing (12) having an internal cavity (18); at least three gears disposed within the internal cavity, each of the gears meshing with an adjacent one of the gears at a respective meshin...
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WO/2014/030988A1 |
The invention refers to hydraulic rotation transmission with two side output of driving shaft and one side output of driven shaft and can be used in power transmissions and transmissions where the stepless ratio variation is essential. I...
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WO/2014/030989A1 |
The invention refers to hydraulic rotation transmissions and can be used in power transmissions and transmissions where the stepless ratio variation is essential. It can also be used as stepless speed transmission for vehicles (Fig. 1). ...
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WO/2013/146575A1 |
In the present invention, a fluid pressure drive unit provides working fluid to a fluid pressure actuator and drives the same. The fluid pressure drive unit is provided with the following: a fluid pressure pump that sucks in and ejects t...
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WO/2013/070641A1 |
A hydrostatic drive (200) including a hydrostatic pump (202) configured to supply a transmission fluid. The hydrostatic drive (200) further includes an axle motor (210) and a drum motor (208). The axle motor (210) is configured to drive ...
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WO/2012/174345A1 |
A vehicle includes an internal combustion engine (214), a first hydraulic pump/motor (218A) coupled with the internal combustion engine, and a second hydraulic pump/motor (218B) coupled with at least one driven wheel of the vehicle. A cl...
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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...
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WO/2012/143595A1 |
The invention relates to a speed regulator of a bicycle, which speed regulator is in the rear hub or the pedal centre of the bicycle, which includes one or more hydraulic pumps (6) which is rotated by a rear pinion (11) or by the pedals,...
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WO/2012/120094A2 |
A gerotor pump (1) comprising; ·a housing (2) which comprises a first and a second supply socket (18a,18b;19a,19b), ·an inner rotor (4); and ·an outer rotor (5) rotatably located relative the housing (2); wherein the inner rotor (4) i...
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WO/2012/122348A1 |
An integrated drive module for a hydraulic hybrid vehicle includes two variable displacement over-center bent-axis hydraulic pump/motors having respective yokes that reside and pivot within a common fluid-filled case. The cylinder barrel...
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WO/2012/093705A1 |
First and second port blocks have commonalities in that each includes: an axial hole through which a pump shaft is inserted; a pair of working oil passages; a charge oil passage that has one end opening up in the outer surface and formin...
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WO/2011/127807A1 |
Disclosed are a hydraulic control system and method. The hydraulic control system includes a first closed pump (P1) and a first engine (M1) connected with each other, a second closed pump (P2) and a second engine (M2) connected with each...
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WO/2011/085451A1 |
A torque transmitting device (10) for transmitting torque from a power source to a rotating driven load. The device (10) comprises a cylindrical assembly (12) adapted to be mechanically coupled via its outer circumference to the rotating...
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WO/2011/049506A1 |
A hydrostatic transmission in the shape of a shaft/rotor comprising two hydraulic pumps/motors with adjustable displacement connected in a closed hydraulic system. The displacement of the pumps/motors is adjusted by adjusting the angle o...
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WO/2011/044826A1 |
A speed changing control method and a speed changing mechanism thereof are provided. The speed changing mechanism comprises a pump (1) which is provided with a liquid absorption channel (6), a liquid discharge channel (8) and working par...
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WO/2011/045519A1 |
The invention relates to a power train for a hybrid vehicle, comprising two hydraulic machines (20, 22) including variable displacement, both of which are connected to a hydraulic pressure accumulator (24) which stores energy, a first hy...
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WO/2011/005149A1 |
The invention relates to hydraulic variators. A hydraulic variator includes a hydraulic motor and a gear pump. The gear pump includes two working gear and a metering gear, located after a suction area but before an injection area. When t...
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WO/2010/098968A1 |
A hydrostatic assembly includes a pump having a yoke and an associated rotating group. The pump yoke has a bucket portion and an arm portion. At least one fluid passage extends through the pump yoke. The hydrostatic assembly also include...
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WO/2010/084153A2 |
The invention relates to a transmission device for transmitting a torque, comprising an input shaft, which rotates at a first rotational speed, an output shaft, which rotates at a second rotational speed, and a transmitting element, by m...
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WO/2010/081506A1 |
The variator according to the finding comprises a pump having radial pistons (6), with variable eccentricity, a hydraulic motor (7), also having radial pistons and a central distributor (8) that, through the support bushings (9 and 10) o...
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WO/2010/057282A1 |
An inner shaft (3) mechanically communicates with an outer component (6) by means of hydraulic devices (8, 9 and 10); all the hydraulic devices share their thrust chambers (8) through connecting pipes (7), forming a closed hydraulic circ...
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WO/2010/005410A1 |
A transmission assembly for a work machine (10) includes a transmission (16) having a transmission housing (18), a manifold housing (20) attached to the transmission housing (18), and hydraulic pump (22) configured to be connected to the...
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WO/2009/129666A1 |
The application provides an automobile hydraulic transmission and differential speed system, it includes a variable volume gear pump (10) and two hydraulic motors(11) connecting with two half shafts, an export of the gear pump(10) is con...
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WO/2009/102692A2 |
A dual pump strategy for a hybrid electric automatic transmission (7) necessitating one internal mechanically driven pump (6) linked to the engine (2) output shaft and an external fixed displacement pump (8) powered by a brushless perman...
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WO/2009/095580A2 |
The invention relates to a hydraulic engine device that comprises a hydraulic engine (500) with a cylinder block (10) and a cam (20) mounted so as to be capable of relative rotation, wherein the engine further includes a fluid dispenser ...
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WO/2009/070268A1 |
A hydrostatically driven vehicle has an engine operating a variable displacement propel pump, a displacement of which can vary based on an angle of a rotating swashplate, such that a fluid flow impelled by the pump transfers power to at ...
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WO/2009/069064A1 |
An implantable therapeutic substance delivery pump is typically implanted into a patient at a location appropriate for the therapy that interferes as little as practicable with patient activity such as subcutaneous in the lower abdomen. ...
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WO/2009/067228A1 |
A hydrostatically driven vehicle includes an engine operating at a first speed and operably connected to a variable displacement pump in fluid communication with a hydraulic circuit. The pump includes a rotating swashplate being adapted ...
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WO/2009/046716A1 |
The invention specifies a hydraulic axial piston machine (1) having a housing (2) in which a cylinder drum (4) is mounted so as to be rotatable about an axis (5), which cylinder drum (4) has at least one cylinder (7) in which is arranged...
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WO/2009/016270A1 |
The invention relates to a hydraulic device (90) to be mounted on a vehicle provided with pedals for transmitting the driving energy provided by the vehicle driver, i.e. pedals with at least one driving wheel, comprising: a hydraulic pum...
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WO/2008/114843A1 |
A first swash plate (30) and a second swash plate (40) are arranged on the two sides of a cylinder block (4), and a plurality of cylinders (6) are arranged in the cylinder block (4) on a circumference around the center axis (O40) of the ...
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WO/2008/077812A1 |
The invention relates to a hydraulic gearing (1) with a harmonious transition of the pressure medium between two positive-displacement machines designed as cell rotors, with a first impeller (3) which has radially displaceable first vane...
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WO/2007/144968A1 |
A technique for improving ease of production of a hydraulic stepless transmission device in which the degree of layout freedom is improved to realize a compact structure with functions of conventional hydraulic transmission retained. In ...
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WO/2007/144975A1 |
[PROBLEMS] A hydraulic stepless transmission having increased layout freedom and a compact structure with the functions of conventional hydraulic stepless transmission retained and having increased easiness of production. [MEANS FOR SOLV...
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WO/2007/097728A2 |
The invention relates to hydraulic and pneumatic circuit element comprising pump to compress liquids and gases to obtain compressed power for transportation, storing and use of them in technology, hydraulic and pneumatic motor for conver...
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WO/2007/034578A1 |
A hydraulic stepless transmission in which output characteristics are changed between forward and reverse modes and that achieves efficient output characteristics. The hydraulic stepless transmission has a hydraulic pump (10), a variable...
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WO/2007/006059A1 |
The invention relates to a hydraulic drive (1) featuring a harmonic transition of the pressure medium between two displacement machines that are embodied as star-shaped rotors. Said hydraulic drive (1) comprises a first impeller (3) that...
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WO/2007/006064A1 |
The invention relates to a hydraulic drive (1), in which the hydraulic fluid makes a smooth transition between two displacement machines that are configured as two vane-type pumps, comprising a radially displaceable first impeller (3) th...
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WO/2006/138474A2 |
The transmission (400) includes an orbital gear complex (404, 416) in combination with a variable hydraulic pump (408) and motor (406). The input (420) to the transmission is increased in speed by the orbital gearing such that, when the ...
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WO/2006/138447A2 |
The modular transmission uses only a pair of small and light hydraulic machines of remarkably improved volumetric efficiency with pistons having body portions substantially as long as the axial length of the respective cylinders in which...
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WO/2006/079179A1 |
A drive apparatus (10) for a vehicle, the apparatus (10) comprising a hydraulic pump (11), two control valve assemblies (13, 14), and two pairs of hydraulic drive assemblies (25). The control valve assemblies (13, 14) are hydraulically c...
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WO/2006/045158A1 |
A hydromechanical variable speed transmission (1) including outer and inner differential gear trains each having a carrier carrying planet pinions meshing with two coaxial side gears, the side gears of the outer differential gear train b...
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WO/2006/038337A1 |
[PROBLEMS] To provide a working vehicle arranged so that right and left machine frames can be reinforced at a position near an engine by upper and lower connecting members and so that there is no need to use cylindrical members or the li...
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WO/2005/100070A1 |
A hydraulically operated automobile allowing the fine adjustment of a drive force and allowed to run smoothly and comfortably, comprising a drive means (40) having a hydraulic motor (45) driving a wheel (31) and a rotational speed contro...
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