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WO/2013/060352 |
Torque transmission assembly for a toroidal variator The torque transmission assembly for a toroidal variator comprises at least an input disc 1 and an output disc 3 each comprising a guiding portion 6, 7 delimiting a raceway 6a, 7a, and...
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WO/2013/060353 |
The ball and ramp device for a toroidal variator comprises a first disc 14 and a second disc 16 and a plurality of rolling elements 18 disposed between ramps 20, 28 provided on the discs and extending along the circumferential direction....
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WO/2013/057701 |
The invention relates to a method for achieving a continuously variable transmission. A power transmission is realized by a drive and driven members creating at least one point of a contact between each other. Each of members may be at l...
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WO/2013/048601 |
In an embodiment, torque control operation is provided in a transmission having a variable displacement variator (100) with a hydraulic actuator (104). The transmission is engaged in a neutral state (401) such that the variator output ex...
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WO/2013/042263 |
The present invention is equipped with: multiple planetary balls (40) sandwiched between first and second rotary members (10, 20) on a shaft (50); a carrier (60) that holds each planetary ball (40) in a tiltable manner; a sun roller (30)...
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WO/2013/042226 |
A continuously variable transmission equipped with: first and second rotary members (10, 20) arranged opposing one another; multiple planetary balls (50) arranged in a radial pattern and sandwiched between the first and second rotary mem...
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WO/2013/029147 |
A method where the spin factor is looked up in a table; the slip factor is measured and the clamping pressure is adjusted to achieve a slip/spin ratio provided in a desired range is described herein. According to another aspect, an activ...
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WO/2012/169057 |
A continuously variable transmission is equipped with: planetary balls (40) supported between a sun roller (30) and first and second rotating members (10, 20) on a shaft (50); a first carrier (61) capable of relative rotation around the ...
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WO/2012/169056 |
The present invention comprises a plurality of planet balls (40) sandwiched between first and second rotating members (10, 20) on a shaft (50); an iris plate (80) and a worm gear (81) spinning each of the planet balls (40) at a slope; a ...
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WO/2012/165112 |
A power tool (1) has a continuously variable transmission (7). The continuously variable transmission (7) has a sun roller (21), a plurality of planetary rollers (20), a speed change ring (26), and a thrust-generating section (25). The s...
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WO/2012/155252 |
Disclosed are steerable units that enable the variability of the friction force's magnitude and direction by using rolling contacts, in which the angle of the rolling contacts with respect to the surface containing the steerable unit can...
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WO/2012/151615 |
A toroidal variable speed traction drive is provided. The drive comprises a driving disc (11) and a driven disc (10). The discs (10, 11) have a common axis of rotation. The inner face of each disc (10, 11) is formed with a negative shape...
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WO/2012/153656 |
The present invention relates to a planetary friction gear continuously variable transmission and effectively increases the efficiency of torque loading. The present invention is provided with: an input shaft (12); a carrier (13); a plan...
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WO/2012/142694 |
Generally stated, various embodiments described herein concern a toroidal CVT provided with parking zones where the rollers are brought when the CVT is powered down. More specifically, a portion of the toroidal surfaces of the disks is r...
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WO/2012/131921 |
A continuously variable transmission of the present invention comprises: first and second rotating members (10, 20); a sun roller (30); a plurality of planet balls (40) wedged between the first and second rotating members (10, 20); a sup...
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WO/2012/128463 |
The present invention pertains to a transmission gear of an automobile or the like, wherein two gears are formed in the shape of circular truncated cones, in which an upper portion and a lower portion have different diameters from each o...
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WO/2012/128463 |
The present invention pertains to a transmission gear of an automobile or the like, wherein two gears are formed in the shape of circular truncated cones, in which an upper portion and a lower portion have different diameters from each o...
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WO/2012/117830 |
Provided is a toroidal continuously variable transmission that can reduce loss caused by bearings, makes fabrication of disks easy, and can be used in a wide range of applications because of its low cost. In this toroidal continuously va...
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WO/2012/111562 |
Provided is a toroidal type continuously variable transmission capable of reducing a loading pressure while preventing excessive pressing by a centrifugal hydraulic pressure. The toroidal type continuously variable transmission comprises...
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WO/2012/105663 |
The objective of the present invention is to implement a structure for a toroidal continuously variable transmission with which the manufacturing of the parts, the management of parts, and the assembly work are easy, and the cost can eas...
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WO/2012/096340 |
The present invention achieves a structure that is able to secure reliability of a learning value relating to the position of an adjustment member (24) that is a baseline for gear ratio control of a toroidal continuously variable transmi...
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WO/2012/096341 |
The present invention achieves a structure that can secure reliability of a learning value without a greater-than-necessary loss of learning opportunities, even if an ignition switch is turned off during learning related to the step posi...
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WO/2012/077354 |
Disclosed is a method for manufacturing a variator part of a continuously variable transmission comprising: a step of performing preceding machining of a power transmitting surface (4) and a spline hole while leaving machining allowance ...
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WO/2012/067703 |
The present invention provides an infinitely variable transmission for a powered vehicle which includes a power source. The transmission includes an input shaft and an output shaft, the output shaft being spaced from the input shaft. The...
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WO/2012/038991 |
A speed variator comprises a bell-shaped body (5) forming a frustoconical rolling surface (6) able to rotate about its own axis of symmetry (Y), a wheel (7) able to rotate about a second axis (W) and engaged by rolling with the rolling s...
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WO/2012/028369 |
In a pump (10) for a high-pressure system having a pump element which delivers a fluid and an actuator (14) which drives the pump element, in which pump (10) a continuously variable gear mechanism (12) is provided, by means of which the ...
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WO/2012/022303 |
In order for it to be also possible to transmit relatively high torques in an operationally reliable manner with low power loss and with a low or inexpensive design outlay in a bevel friction ring gear mechanism, consisting of at least t...
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WO/2011/160621 |
In order to provide a conical friction ring gear having two friction cones which are spaced apart from each other by a gap and have a friction ring which revolves around one of the two friction cones through the gap and is arranged so as...
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WO/2011/140821 |
A continuously variable transmission is provided, which includes a housing (1), a driving flat disc rack (2), driving flat discs (3), a fixed driven flat disc (4), intermediate flat disc shafts (5), a sliding driven flat disc (9), interm...
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WO/2011/135540 |
The invention relates to an uncoupling pulley comprising a rim secured to a first power-transmitting element, and a torsion spring mounted in a receptacle secured to a second power-transmitting element, one of the power-transmitting elem...
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WO/2011/134076 |
A pressure applying mechanism for a toric-drive Continuously Variable Transmission (CVT) that comprises two opposed elements each with internal V-shaped ramp surfaces and at least three ball bearings interposed between the elements where...
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WO/2011/129898 |
A variable transmission device and method are disclosed. The variable transmission device comprises: radially inner and outer races, each comprising two parts spaced along an axis; planetary members arranged in rolling contact with said ...
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WO/2011/129898 |
A variable transmission device and method are disclosed. The variable transmission device comprises: radially inner and outer races, each comprising two parts spaced along an axis; planetary members arranged in rolling contact with said ...
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WO/2011/122193 |
Disclosed is a hybrid drive device that eliminates an electric oil pump and further improves fuel consumption. Via a cam mechanism (28), a cone-ring CVT (3) provides axial force that clamps a ring (25) between a pair of friction wheels (...
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WO/2011/122136 |
The disclosed hybrid drive device has a clutch, which can enable or prevent the transmission of power from an engine output shaft to an input member of a power transmission device, and a control device which engages/disengages the clutch...
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WO/2011/122135 |
The disclosed hybrid drive device has a clutch, which can enable or prevent the transmission of power from an engine output shaft to an input member of a power transmission device, and a control device which engages/disengages the clutch...
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WO/2011/118324 |
A bolt hole (34a) having a female threaded section at the closed end is formed in an input cone (34), and a bolt receiving section (34b) is formed in the vicinity of the open end of the bolt hole (34a). A bolt (35) is fitted and inserted...
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WO/2011/118330 |
A power output device provided with a continuously variable transmission, wherein an input cone connected to an input shaft and an output cone connected to an output shaft are disposed in opposite directions to one another, and a ring is...
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WO/2011/118528 |
Provided is a power transfer system which includes an output cone (36) which is longer than an input cone (34) by length D. The output cone (36) is disposed in a manner such that the increased-diameter end thereof is protruded axially fr...
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WO/2011/118317 |
A power transmission device is provided with a continuously variable transmission, wherein an input cone connected to an input shaft and an output cone connected to an output shaft are disposed in opposite directions to one another, and ...
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WO/2011/118529 |
The range on the small-diameter side of an output cone (36) from a predetermined position, which is distantly positioned from the position of the end part on the large-diameter side of the output cone (36) when torque is not acting on an...
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WO/2011/113149 |
A variable transmission arrangement having enhances power output and high efficiency is disclosed. The arrangement provides paired rollers positioned within retaining rotating elements for co-action with, for example, toroidal disks form...
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WO/2011/114494 |
Disclosed is a continuously variable transmission provided with first and second rotating members (10, 20) which have common first rotation central axes (R1); planetary balls (50) which are rotatably supported by support shafts (51) havi...
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WO/2011/112448 |
A variable speed drive for a flywheel system can have a first rotatable drive plate for coupling to a rotatable flywheel. The first drive plate can be positioned about an axis of rotation and have a drive surface lying generally laterall...
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WO/2011/111545 |
A cone ring CVT is applied in the disclosed hybrid drive device, and a compact arrangement is used for the device overall. An input-side friction gear (22) is disposed at a first shaft (I) that is coaxial with an engine output shaft, an ...
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WO/2011/111454 |
Provided is a shift transmission operation device for a corn ring type CVT such that shift transmission operation is feasible whether during normal or reverse rotation, and that the rotational upstream side of that portion of a ring whic...
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WO/2011/111455 |
Provided is a conical-friction-wheel-and-ring-type continuously-variable transmission device that allows smooth speed-changing operations while reducing energy losses due to oil churning during speed-changing operations. By the rotation ...
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WO/2011/111544 |
A cone ring CVT is applied to the disclosed hybrid drive device, and a compact arrangement is used for the device as a whole. An input-side friction gear (22) is disposed on a first shaft (I) that is coaxial with an engine output shaft, ...
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WO/2011/109444 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for infinitely variable transmissions (IVT). In one embodiment, a control system is adapted to facilitate a change in the ratio of an IVT. In anothe...
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WO/2011/101991 |
The disclosed device has a first and a second ring (13, 14), which are arranged facing one another, are relatively rotatable and have a common rotation centre axis (R1), and a rotation centre axis (R2) which is parallel to the other rota...
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