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WO/2007/040523A1 |
A toroidal continuously variable transmission (10) with offset rollers 40 includes a first (60) and second (70) toroidal disk each having inwardly facing toroidal portions that face opposite each other. A shaft having a longitudinal axis...
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WO/2007/029564A1 |
A planetary roller transmission, comprising a plurality of planetary rollers (23) having an input shaft (11) and an output shaft (13) installed rotatably on a same axis and allowed to roll on the outer periphery of a sun roller (19) inst...
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WO/2007/029451A1 |
A continuously variable transmission capable of operating without slippage even if a friction coefficient is reduced in low surface pressure, high temperature operating conditions. The continuously variable transmission has a first shaft...
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WO/2007/025056A1 |
Embodiments disclosed include a continuously variable transmission (CVT) where power is transmitted from a group of balls (1) to a shaft (602) via an idler (18). In one -application, the CVT couples to a gearbox and to a generator of a w...
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WO/2007/023606A1 |
The load carrying capacity of a continuously variable transmission is increased without increasing the diameter of its pulley and ring. The continuously variable transmission has a first shaft (12) rotatably supported by a housing (10), ...
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WO/2007/016774A1 |
A transmission (10) for converting an input rotational motion having an input angular speed into an output rotational motion having an output angular speed. The transmission (10) includes a transmission body (12); a first rotating compon...
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WO/2006/131778A1 |
The present invention defines a differential drive continuously variable transmission and infinitely variable transmission system (CVT-IVT), especially for automotive vehicles, that is characterized by the sturdy and simplified integrati...
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WO/2006/118270A1 |
A full-toroidal continuously variable transmission has a hydraulic actuator (20) for applying pressing force to a pair of disks (5, 15) through a roller (17). The hydraulic actuator (20) includes first and second oil chambers (23, 24). T...
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WO/2006/102782A1 |
The invention relates to a transmission or motor spindle device for driving a tool or a workpiece in a machine tool, said device being provided with a rotor device (5) and a stator device (4). The rotor device is embodied in such a way a...
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WO/2006/096984A1 |
A power transfer device uses the differential ball principle or friction gear with friction reducing features for a given output torque capacity. The friction gear may be used in high output torque applications with an acceptably low tor...
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WO/2006/098706A1 |
The invention relates to mechanical engineering, in particular to gears for transmitting a rotational motion and can be used for transport means, mechanical and electromechanical devices requiring a continuous speed variation. The invent...
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WO/2006/090796A1 |
A variable-speed traction drive transmission device compact and having high durability. The traction drive transmission device (10) varies, by the use of traction of rolling bodies (K) arranged between an input shaft (Si) and an output s...
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WO/2006/084905A1 |
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/2006/084906A1 |
A transmission comprises a toroidal variator having first and second spaced-apart drive discs (12, 14) defining a toroidal cavity about a rotational axis (x-x), a transmission input (22) arranged to drive the first and second drive discs...
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WO/2006/074628A1 |
The invention relates to a variator for a continuously-variable gearbox, comprising a first transmission element, rotating about a first rotational axis with a convexly-curved transmission surface which is rotationally symmetrical about ...
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WO/2006/041718A2 |
A continuously variable transmission (CVT) having a main shaft configured to support and position various components of the CVT. Shift cam discs cooperate with ball-leg assemblies to shift the transmission ration of the CVT. Load cam dis...
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WO/2006/041184A1 |
A roll/slide member consisting of a steel comprising 0.9 to 1.1 wt.% C, 0.5 to 3.0 wt.% Si, 0.05 to 0.5 wt.% Mn, 2.0 to 5.0 wt.% Cr and 0.05 to 0.5 wt.% Mo with the balance composed of Fe and unavoidable impurities. The steel contains sp...
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WO/2006/014617A2 |
A traction-drive system that in one embodiment comprises an idler (110) rotatable about a longitudinal axis, a plurality of rotatable and generally disc-shaped planet rollers (300) each having an inner contact surface (310), a case conta...
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WO/2006/012892A2 |
The aim of the invention is to further develop a friction ring-type transmission. According to the invention, a friction ring-type transmission comprises two roller bodies which are arranged at a distance from each other about a gap, whi...
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WO/2006/006902A1 |
The present invention relate to a stepless variable gear device (1) comprising power transmission parts (2), which are rotatable around a rotational axis and radially movable, with variable radius of a circumferential path for transmissi...
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WO/2006/003887A1 |
[PROBLEMS] To provide a practicable structure capable of limiting the axial positions of both first and second output side disks (3) and (6) to secure efficiency and durability. [MEANS FOR SOLVING PROBLEMS] The axial positions of both th...
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WO/2006/003886A1 |
[PROBLEMS] To prevent a power roller [(4(7)] from being excessively inclined. [MEANS FOR SOLVING PROBLEMS] Stop members (73, 73) fixed to opposite ends of trunnions [(30 (31)] are provided with convex sections (66, 66). Further, the inne...
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WO/2005/121602A1 |
A continuously variable ratio device (“variator”) is disclosed in which a pair of rotary races (252, 254) is mounted for rotation about a common variator axis (218). Drive is transferred from one race to the other through at least on...
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WO/2005/114004A1 |
The invention relates to a setting device for a toroidal drive. In conventional setting devices, a plurality of setting units (93) are closed by respective separate caps. The aim of the invention is to simplify production and/or assembly...
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WO/2005/101622A1 |
Disclosed is a drive unit (10) of an adjusting device in a motor vehicle. Said drive unit (10) comprises at least one motor (12) and at least one gear stage (14) that is located at the output end of the motor (12). Said gear stage (14) i...
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WO/2005/100821A1 |
A toroidal type continuously variable transmission enabling the stabilization of the control of reduction gear ratio by preventing a trunnion (30 (31)) from rattling due to assembling clearances. An elastic material (63), which is a disk...
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WO/2005/100082A2 |
Disclosed is a drive unit (10) for a vehicle seat, especially a motor vehicle seat, comprising at least one motor (12) and at least one gear stage (14) that is disposed at the output end of the motor (12) and is provided with an output (...
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WO/2005/083299A2 |
A CVT 1 has a first in-/output shaft (3) with a first wheel (5) attached to it, that is constituted by a pulley (5) consisting of two conical sheaves (7) and (9) and a second in/output shaft (11) with a second wheel (13) attached to it, ...
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WO/2005/080825A1 |
The invention relates to a infinitely variable variator for a toroidal drive of a motor vehicle. The invention also relates to lubricating and cooling the components of the variator, in particular the radial bearing (24, 32) and the axia...
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WO/2005/078313A1 |
A continuously variable transmission, comprising a carrier (30) rotating together with an input shaft (20), a sun gear (50) rotating together with an output shaft (40), a plurality of planetary gears (60) supported on the carrier (30) in...
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WO/2005/064205A1 |
The invention relates to a variable transmission (1), comprising an input shaft (21) and an output shaft (20), a pair of friction shells (30, 31) that, with their concave surfaces (37), are located opposite one another. The friction shel...
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WO/2005/064204A1 |
The invention relates to a variable gearbox (1), with an input shaft (21) and an output shaft (20), a pair of friction discs (30, 31), which face each other with the concave surfaces (37) thereof, whereby the input shaft (21) and the out...
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WO/2005/061928A2 |
The aim of the invention is to improve the control of a connecting element between two transmission elements (233, 234) of a continuously variable transmission (230). To this end, the invention relates to a continuously variable transmis...
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WO/2005/059406A1 |
The invention relates to a variator for a toroidal drive, in particular for use in motor vehicles. An eccentric shaft is generally used to guarantee a contact force between toroidal discs and a roller (21a) of a variator (20a) in a toroi...
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WO/2005/052409A1 |
A continuously variable transmission device has planetary members (23) in rolling contact with radially inner and outer races (12, 14; 36, 37) each comprising axially spaced relatively axially movable parts, and control means (18) for de...
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WO/2005/047734A1 |
The present invention is concerned with the formation of rollers in a rollingtraction toroidal-race type of continuously variable ratio transmission device ('variator'). Specifically, it concerns variators of the 'full-toridal' type in...
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WO/2005/045284A2 |
The invention relates to a toroidal gearbox, comprising an annular central disc (31) with a toroidal friction surface (63) and an annular main cylinder (4) of a hydraulic pressure device, each fixed concentrically to a central shaft. The...
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WO/2005/033553A1 |
A transmission simplified in structure and mechanism and reduced in weight and size, wherein a first rotating shaft (13) to which a first speed change rotating ring (5) is fixed on a same axis and a second rotating shaft (14) to which a ...
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WO/2005/019686A2 |
A continuously variable planetary gear set (401) is described having a generally tubular idler (18), a plurality of balls (1) distributed radially about the idler (18), each ball (1) having a tiltable axis about which it rotates, a rotat...
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WO/2005/019701A1 |
The invention relates to a continuously variable gearing comprising at least two rotating gearing members (1, 2), which interact via a rotating adjustable gearing member (3). According to the invention, the position of a bearing (4) for ...
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WO/2005/017391A1 |
The invention relates to a variator (26) for a toroidal transmission (10), said variator comprising a drive disk (28) and an output disk (30) between which a toroidal chamber (32) is created, defining a toroidal reference circle (54), an...
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WO/2005/008102A1 |
A variator arrangement (10) for an infinitely-variable gearbox is disclosed, comprising a shaft (12), a variator disc (14), fixed such as to rotate with said shaft (12) and a support disc (16), concentric to the above, rigidly connected ...
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WO/2005/008101A1 |
A variator disc (50; 28,30) for a toroidal variator (26), in particular, for a motor vehicle toroidal gearbox (10), is disclosed, whereby the variator disc (50; 28, 30) has a curved running surface (80), arranged coaxial to a variator ax...
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WO/2004/113766A1 |
Disclosed is a pressing mechanism for conical friction ring-type transmissions, which comprises two partial pressing devices (9, 10, 11, 14). The second partial pressing device (14) partly compensates the force applied by the first parti...
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WO/2004/111495A1 |
A mechanical torque converter which receives power in an cylindrical impeller of increasing diameter, the impeller circumferentially incorporates a spiral rack and, afterwards, transmits the power in a controlled manner through a compose...
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WO/2004/104447A1 |
Disclosed is a continuously variable transmission comprising a toroidal variator. A transmission shaft (14) which bears the inner toroidal disks (10) is usually mounted axially outside a toroidal variator (7) or between the two inner tor...
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WO/2004/090382A1 |
A variator of the toroidal race rolling traction type has a rotatably mounted input disc (18, 20) an output disc (22) rotatably mounted coaxially with the input disc (18, 20), a plurality of rollers (30, 32) transmitting rotation between...
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WO/2004/079226A1 |
In prior art toroidal gearings, rollers (15) are mounted in a manner that enable them to pivot relative to a retaining brackets (16), whereby a coupling of the pivotal motion of adjacent retaining brackets (16) ensues via driver elements...
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WO/2004/079223A2 |
A variable speed transmission having a plurality of tilting balls (1) and opposing input (34) and output (101) discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. T...
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WO/2004/076890A1 |
The invention relates to a toroidal drive comprising a continuously adjustable transmission. In known toroidal drives, transmission adjustment occurs by displacing a roller arranged between torus disks along an X-X axis according to a co...
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