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WO/2010/024809A1 |
A continuously variable transmission (1000) having a plurality of traction planets (1008) arranged angularly about a main drive axis (1010), each traction planet (1008) having a tiltable axis of rotation (1009A, 1009B), the continuously ...
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WO/2010/008103A1 |
The present invention relates generally to a continuously variable transmission comprising a driving shaft (1); a variable crank (10) operationally coupled to the driving shaft (1); a housing (20) into which the variable crank (10) is ro...
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WO/2010/000250A1 |
In a conical friction ring transmission with a lubricant pump, the oil pressure provided by the lubricant pump can be easily controlled if the lubricant pump is a dynamic-type compressor.
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WO/2009/155906A1 |
According to the invention, a bevel friction ring gear which transmits torque between the two bevels with both bevels mounted on a chassis by bearings may be provided which has a still greater efficiency, wherein at least one of the beve...
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WO/2009/157920A1 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one embodiment, a main axle (112) is adapted to receive a carrier assembly (101, 400, 600, 800) to...
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WO/2009/148461A1 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously and infinitely variable transmissions (IVT). In one embodiment, a variator is adapted to receive a control system that cooperates w...
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WO/2009/146748A1 |
The invention provides a new type of reversible variable transmission for vehicles such as cars, busses, trucks, off-road vehicles, lift trucks, telescopic boom handlers and the like. Alternatively, the gearbox can be used in systems suc...
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WO/2009/137719A2 |
A variator (10) has a race formed from an input disc (12) and an output disc (14) and a plurality of rollers (22) located between the input and output discs, for transmitting drive therebetween. Either the input disc (12) and output disc...
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WO/2009/122837A1 |
A partitioning plate (21d) is provided inside a case (21) and separates from each other a first space in which a CVT (30) is mounted and a second space in which a forward-reverse switching mechanism (24) and a differential gear (28) are ...
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WO/2009/115844A1 |
The invention concerns an electronic controller for a continuously variable transmission of the type having a variator (10) with a rotary variator input (17) coupled to a first variator race (14a) and a rotary variator output (29) couple...
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WO/2009/111328A1 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously or infinitely variable transmissions (C/IVT). In one embodiment, a main axle (1000) is adapted to receive a shift rod (3000) that c...
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WO/2009/082112A2 |
The present invention provides a continuously variable transmission which has an integrated structure and can be used in various fields, for example, in a machining device, a vehicle, etc. The continuously variable transmission includes ...
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WO/2009/076204A2 |
Variators that include a damped roller control part.
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WO/2009/068012A2 |
The aim of the invention is to further develop a bevel friction ring gearing. The invention thus relates to a bevel friction ring gearing in which the friction ring can be displaced by means of an adjusting device that comprises a guide ...
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WO/2009/065818A1 |
An actuator for the attitude control of a spacecraft comprises a first flywheel (1) rotated by a motor (5) and a second flywheel (2). The two flywheels (1, 2) are rotationally moveable about an axis (61) and are mechanically coupled by m...
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WO/2009/051519A1 |
The inventive device comprises a body (10) with a planetary gear set which is arranged therein and consists of central external (9) and internal (6) friction discs which encompass, from both end faces, intermediate friction discs (7) sec...
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WO/2009/031797A2 |
A CVT(Continuously Variable Transmission) is disclosed, in which a structure is simple, and less volume and weight are obtained, and manufacturing does not cost a lot, and less impact and noise occur during a transmission, and a maintena...
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WO/2009/028988A1 |
The inventive device comprises a planetary friction variator and a mechanism which is used for changing a transmission ratio and pressure and designed in the form of pivot levers (19) with pushers in the form of roller (25) displaceable ...
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WO/2009/006481A2 |
Embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one embodiment, a control system is adapted to facilitate a change in the ratio of a CVT. In another embodim...
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WO/2008/154437A1 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one embodiment, a main axle is adapted to receive a shift rod that cooperates with a shift rod nut...
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WO/2008/131353A2 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for electric traction drives employing a continuously variable transmission (CVT) having a variator provided with a plurality of tilting traction pl...
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WO/2008/129651A1 |
A half-toroidal type continuously variable transmission has a trunnion (9a) having an inward surface made into a circular recess (33), and a crank member (34a) installed in a way a clearance of wedged shape in section is interposed betwe...
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WO/2008/120687A1 |
A variator (1) in which the movement of the positions of the rotation centers of power rollers (14A, 14B) is controlled by a roller position controller (4), which causes the power rollers (14A, 14B) to autonomously tilt to perform steple...
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WO/2008/121014A1 |
The invention relates to machine tool and mechanical engineering and can be used for designing gear boxes for machine tools and for automobiles substantially for vehicles mainly operating in low gears. The inventive gear box comprises th...
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WO/2008/100792A1 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT) having a variator provided with a plurality of tilting, traction planets and traction rings. In one em...
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WO/2008/101070A2 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for infinitely variable transmissions (IVT) having a variator provided with a plurality of tilting spherical planets (522). In one embodiment, a var...
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WO/2008/092593A1 |
The invention relates to a pump, particularly a vane pump or a vacuum pump, comprising a rotatable rotor driven by a drive shaft. The invention is characterized in that the rotor can be coupled, or is coupled, to the drive shaft via a fr...
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WO/2008/095116A2 |
Disclosed here are inventive systems and methods for a powertrain of an electric vehicle (EV). In some embodiments, said powertrain includes a continuously variable transmission (CVT) coupled to an electric drive motor, wherein a control...
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WO/2008/087450A2 |
A transmission arrangement is disclosed which comprises first and second variators (166, 169) each of which comprises an input race (150, 154) and an output race (152, 156). A plurality of rollers (276, 278) is arranged to run upon the i...
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WO/2008/088055A1 |
A compact detecting device capable of detecting a rotation angle and a linear movement distance or both their operation speeds. The detecting device for detecting the rotation angle and the linear movement distance of a movable member th...
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WO/2008/059110A1 |
The invention relates to a frictional planetary gear with variator action. A first set of planet wheels roll along the internal rolling surface of a driving ring (2). A second set of planet wheels (3.2) roll along a fixed rotation roller...
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WO/2008/057507A1 |
Mechanisms and methods for clamping force generation are disclosed. In one embodiment, a clamping force generator includes a spring coupled to a traction ring and to a load cam roller cage. The traction ring can be provided with a recess...
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WO/2008/055568A1 |
The invention relates to a toroid continuously variable transmission, comprising at least one pair of disks associated with each other, wherein the disks are disposed opposite of each other such that the surfaces on the axis side thereof...
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WO/2008/051110A1 |
The invention relates to mechanical engineering, in particular to motor variators for drives provided with automatic and/or positive control. The inventive disc-type planetary variator comprises external friction discs, which are fastene...
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WO/2008/040281A1 |
Planetary drive with continuously variable transmission with two sun gears, spaced at a common axial distance and rotatable at different rotational speeds about the same rotational axis, and with sun cover surfaces, a ring gear arranged ...
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WO/2008/039712A2 |
The present invention is directed toward an apparatus for continuous speed variation of an output member with respect to a primary input member. In particular, the present invention provides a device having an output that rotates at redu...
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WO/2008/034438A1 |
In order to absorb loadings on friction faces in bevel friction ring gear mechanisms in an improved manner, the invention proposes a bevel friction ring gear mechanism having at least two friction cones which are arranged spaced apart fr...
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WO/2008/029697A1 |
Provided is a continuously variable transmission, which is constituted to comprise an input shaft (20) disposed rotatably in a housing, a first speed change unit (U1) and a second speed change unit (U2) so disposed in the housing as may ...
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WO/2008/017881A1 |
A variator transmission comprises an input shaft (18), an input disc (10) mounted on the input shaft for rotation therewith and an output disc (12) facing the input disc and arranged to rotate coaxially therewith, the input and output di...
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WO/2008/011706A1 |
A drive system suitable for use in a variable transmission with a plurality of rotatable and adjustable disk members, gear means adapted for contact with the plurality of disk members, carriage means for mounting the gear means and confi...
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WO/2008/001839A1 |
A toroidal type stepless transmission where a pair of guidance surfaces (120, 120) is provided at trunnions (15). The guidance surfaces face to each other, are perpendicular to the center axis of rotation of a power roller (11), and exte...
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WO/2008/001690A1 |
A toroidal type stepless transmission where a carrier (100) and a disk (2) are in direct friction contact with each other to allow power transmission between the carrier (100) and the disk (2) by friction force. Accordingly, the transmis...
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WO/2007/132231A1 |
A continuously variable transmission device of the type having planetary rollers (10) in rolling contact with radially inner and outer races (4, 5, 7, 8) each comprising two axially spaced rims, with control means for varying the axial s...
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WO/2007/085354A1 |
The invention relates to a continuously variable transmission, in particular for an all-wheel-drive motor vehicle, having two component transmissions (3, 5) which are each embodied as semi-toroidal transmissions and which each have a dri...
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WO/2007/081236A1 |
The invention relates to mechanical engineering, in particular to continuously variable-speed transmissions having a continuously variable transmission ratio between the speed of rotation of driven and drive shafts. Drive and driven disc...
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WO/2007/077414A1 |
A torsional isolation device (16) such as a pulley isolates torque fluctuations of a rotary drive shaft (12) such as a crankshaft of an internal combustion engine. The device has an inner member (22) for connection to the drive shaft and...
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WO/2007/077502A1 |
A continuously variable gear is described having an input shaft (1 ), a plurality of traction balls (2) distributed radially around the axis, each traction ball (2) is mounted on an axle (3) passing there through, the axles (3) are tiita...
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WO/2007/067038A2 |
A continuously variable transmission 1 has two saucer-shaped pulley parts (3, 5) that are connected to each other. One of the pulley parts (3) is a disc (7) that is fastened to a first input/output shaft (9) and is provided with an uprig...
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WO/2007/065900A1 |
A variator (10) is disclosed which has two races (12, 12) mounted for rotation about a common axis. Opposed, shaped faces (14, 18) of the races define an annular space containing at least one roller (38, 40) which runs upon the races to ...
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WO/2007/051827A1 |
The Invention is concerned with control of end load in a continuously variable ratio transmission device ("variator") of the type having part-toroidally recessed input and output races (100, 104) defining a toroidal cavity (108) containi...
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