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WO/2000/011371A1 |
An infinite variable transmission with input shaft (52), planetary carrier (28), planetary pulleys (36) and planetary gears (32) with planetary axles (30) equiangularly disposed on the carrier (28). Variable pitch pulley (41) adjust a se...
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WO/2000/008358A1 |
An apparatus for changing revolutions, consisting of a stator (1), the internal diameter of which decreases in the direction of a longitudinal axis (100), and in the stator (1) there is seated a rolling main satellite (2) which bears aga...
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WO/2000/001963A1 |
A differential device, comprising (a) a casing having an opening part in both side walls, (b) a pair of disk plates which are stored rotatably and opposedly to each other in the casing, of which connection part with a shaft is supported ...
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WO/1999/058883A1 |
The present invention provides an hydraulic control circuit for a continuously-variable-ratio transmission. An hydraulic control circuit for a CVT transmission includes a first hydraulic pressure control valve V¿1? for controlling the p...
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WO/1999/057460A1 |
The invention relates to a toroidal drive comprising an input shaft (3) and a torque transmission shaft (20) positioned coaxially in relation to same, as well as two input disks (5, 12) and two output disks (6, 11) assigned to the input ...
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WO/1999/056036A1 |
A roller control unit for a CVT includes a cylinder (54) having a piston (70) positioned therein and operably connected to a roller assembly of said CVT thereby to control its position. The unit includes a lubrication supply which compri...
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WO/1999/056037A1 |
The present invention describes a way of transmitting torque by friction: traction rollers (38), drivingly connected to the output shaft (29), are disposed between a fixed toroidal plate (19) and an input toroidal plate (25). The tractio...
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WO/1999/054645A1 |
A roller gear, especially a toroidal gear, with an infinitely variable speed increase ratio. A friction wheel (6) is arranged between a drive disc(2) and a driven disc (3). Said friction wheel is rotationally mounted on a support (7). Th...
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WO/1999/054646A1 |
A roller control unit (2) for a continuously-variable-ratio transmission includes a cylinder (6) having a cylinder wall and an end wall; and a piston (8), within the cylinder (6) and to which the roller assembly (4) is connected for move...
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WO/1999/040345A1 |
A continuously variable transmission for varying the speed ratio of an output shaft (47) relative to an input shaft (26) driven by a vehicle engine or other input power source. The power transmission includes a driven input member (21) c...
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WO/1999/039115A1 |
The invention relates to infinitely adjustable rolling-contact gears, preferably for use in vehicle manufacture, comprising at least one tapered disk (10, 11; 100, 110), a group of rotationally mounted planetary rollers (3; 30) which hav...
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WO/1999/035417A1 |
A continuously variable transmission device of the type having planetary members (25) in rolling contact with radially inner (23) and outer (26) races each comprising two axially spaced parts, with control means (30) for selectively vary...
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WO/1999/034133A1 |
A drive mechanism for an infinitely-variable-transmission in which a relatively flexible member (32) connects one or other of the discs (14) to the shaft (10), thereby to accommodate a degree of shaft flexing without distortion of the to...
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WO/1999/034134A1 |
The present invention provides an infinitely-variable-ratio transmission (30) in which the two input discs (38, 40) are mounted on an intermediate or auxiliary input shaft (36) which is splined to the main input shaft (32) for rotation t...
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WO/1999/030059A1 |
The friction gear has an input shaft (3) and a torque shaft (20) arranged in a coaxial position thereto, in addition to two input disks (5,12) and output disks (6,12) disposed in pairs and between which friction wheels are placed and fas...
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WO/1999/020918A1 |
A continuously variable transmission (100) having a plurality of rotatable power adjusters (122) for transmitting power from a driving member (120) to a driven member (170). Each power adjuster (122) is frictionally interposed between th...
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WO/1999/019202A1 |
An apparatus for linearly driving a vehicle or machine. The apparatus includes a frame (102), at least one drive wheel (104), and at least one rotatable driver (106), rotatably mounted with respect to the frame (102). Further, the system...
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WO/1999/008024A1 |
Even in the case where a driver switches a select lever from D range to N range and returns it back to D range during the running of a vehicle, a speed change control device prevents the operation of sudden speed change caused by a diffe...
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WO/1999/008020A1 |
A toroidal-type continuously variable transmission in which a stable reduction ratio can be obtained regardless of the driving condition by restraining the inclination of a support axis supporting a power roller against a trunnion. A sup...
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WO/1999/005432A1 |
The invention relates to an infinitely variable toroidal drive, comprising a housing (1), an input shaft (3), a torque shaft (34), two input discs (5, 15) with toroidal inner surfaces and two output discs (6, 16) with toroidal inner surf...
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WO/1999/005434A1 |
The invention relates to an infinitely variable toroidal drive, comprising a housing (1), an input shaft (3), a torque shaft (34), two input discs (5, 15) with toroidal inner surfaces and two output discs (6, 16) with toroidal inner surf...
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WO/1999/005431A1 |
The invention relates to an infinitely variable toroidal drive, comprising a housing (1), an input shaft (3), a torque shaft (34), two input discs (5, 15) with toroidal inner surfaces and two output discs (6, 16) with toroidal inner surf...
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WO/1999/005433A1 |
The invention relates to an infinitely variable toroidal drive, comprising a housing (1), an input shaft (3), a torque shaft (34), two input discs (5, 15) with toroidal inner surfaces and two output discs (6, 16) with toroidal inner surf...
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WO/1998/046913A1 |
The invention relates to a rotary transmission mechanism which functions by means of variable-ratio friction. Said mechanism is comprised of a sphere (3) maintained in a cradle (7), two balls (2, 4) maintained in a cage (6), two coaxial ...
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WO/1998/043002A1 |
A toroidal continuously variable transmission for use in front engine front drive vehicles to which a geared neutral starting system is adopted. An input shaft (11) one of whose ends is connected to an engine (1), a primary shaft (12) wh...
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WO/1998/039582A1 |
A transmission (10) having a power input and output that run along the same axis without having to use parallel shafting. The transmission (10) includes a toroidal drive (12) and a co-axial drive (16), with the co-axial drive (16) having...
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WO/1998/036191A1 |
In a stepless transmission, a driving axis (1) receives a rotational force from an engine, a motor or a rotating apparatus. A first speed-changing portion (110) primarily changes a rotational velocity transferred from the driving axis (1...
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WO/1998/022729A1 |
The invention relates to a mechanical transmission (1), which transmission (1) comprises guide means for realising a rotational translating movement of a wheel (8) which is connected to an output shaft (7) and which makes contact with an...
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WO/1998/019080A1 |
Disclosed is a friction gear comprising at least one driving surface (70c, 70d) and at least one driven surface (71d, 71d') and, installed between both, at least one intermediate member featuring a set of bearing balls (17, 18, 19), and ...
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WO/1998/008007A1 |
Means for transforming rotary movement of a spindle (1) that has helical threads (2) to axial movement of a nut (3) embracing the spindle (1), and conversely for transforming axial movement of the nut to rotary movement of the spindle, c...
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WO/1998/003806A1 |
The invention concerns a toroidal drive which can be operated in two performance ranges. The input shaft (2) of the gear is connected to an intermediate shaft (5) via a first transformation stage (wheels (3) and (4)). From the intermedia...
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WO/1998/002676A1 |
A toroidal continuously variable transmission (T) comprises a main shaft (1) having a step section (1A). An input disc (2A, 2B) is drivably supported on the main shaft (1) and axially movable along the axis of the main shaft. An output d...
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WO/1997/045656A1 |
A continuously variable power transmission (10) is disclosed comprising spaced input and output cone-shaped driving members (40, 41) operatively associated with a disc member (56) therebetween. Input and output driving members (40, 41) a...
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WO/1997/040293A1 |
A continuously variable traction transmission uses a pair of rotatable, substantially cone-shaped members (132, 136), one cone (132) being connected to a power input shaft (130) and the other cone (136) being connected to the load output...
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WO/1997/040296A1 |
A hydraulic control system (70) for a multi-regime CVT (8) includes regime-change clutches (37, 38) which are controlled independently of the variator (10) so that a smooth change of regime may be effected.
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WO/1997/040292A1 |
A variator assembly comprises a variator of the toroidal-race rolling-traction type using double-acting pistons to control the rollers and differential end load pressure to load the variator, and control means operative to vary the diffe...
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WO/1997/037156A1 |
A roller assembly (10) for use in a toroidal-race rolling-traction variator or like device includes a roller mounted in a carriage (19) which is provided with passageways (33) so that cooling oil from the variator lubrication circuit can...
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WO/1997/018982A1 |
A position servo system exemplified by a power-assisted steering system in which a power-driven continously-variable-ratio transmission ("CVT") of the variable-ratio-epicyclic type, and particularly of the toroidal-race rolling-traction ...
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WO/1997/015766A2 |
The invention concerns a motor vehicle gearbox (10) with an infinitely variable reduction ratio, the gearbox comprising an input shaft (11), an output shaft (13), a first gear stage (20) with a continuously adjustable reduction ratio, an...
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WO/1997/001718A1 |
A roller control system for a continuously-variable-ratio transmission (CVT) of the toroidal-race rolling-traction type. The system includes an operating mechanism having a first part (5, 6) operable to control the position of the roller...
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WO/1996/028668A1 |
A variator for a continously-variable-ratio transmission (CVT) of the half-toroidal traction roller type in which a ratio change results when a roller (6) exercices a first freedom of movement by rotating about a first or precession axis...
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WO/1996/013025A1 |
A hand manipulable computer input device (10) including a displacement sensing element (160) operative to provide an output indication of displacement, and variable scaling apparatus (23, 24, 25, 27) receiving the output indication of di...
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WO/1996/000861A1 |
A coupling link (100) to be interconnected between a hoisting device and a shortenable hoisting chain (54, 55, 56). The coupling link is elongated and comprises a connecting portion (110) in the form of a loop for connection to the hoist...
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WO/1995/033147A1 |
A friction type non-stage transmission for changing the rotation of an input shaft for transmission to an output shaft by bringing double cones into contact with the input and output shafts characterized in that the revolving movement of...
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WO/1995/009996A1 |
A method of regulating a torque-controlled vehicular driveline including an engine, a continuously-variable-ratio transmission and a final drive, in which driver demand for a rise in engine speed is programmed to initiate a response in t...
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WO/1995/006209A1 |
A variable-speed drive (1) wherein a connecting assembly (15) for continuously varying the velocity ratio of two shafts (6, 7) presents a bell (37) with a respective axis (8); a ring of conical rollers (16) housed inside the bell (37) an...
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WO/1994/029617A1 |
Apparatus for converting rotary drive from a drive source (18) to a variable driven output (24). The apparatus consists of a motor (18) driving a first disk face cam (16) which interacts with reciprocating balls (14) in radial slots (29)...
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WO/1994/021940A1 |
The invention relates to a mechanical gearing (1). This comprises a frame, a first shaft (2) mounted rotatably on the frame and carrying a pair of friction wheels (3, 4) which are disposed at a distance from each other and which have mut...
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WO/1994/016242A1 |
A gear for transmitting a rotary movement has a driven toothed wheel (1) with inner teeth (2) which engage the outer teeth (12) of a driving toothed wheel (11). The inner teeth (2) and the outer teeth (12) consist of replaceable dogs (4,...
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WO/1994/016243A1 |
The invention relates to a gear for transmitting rotary movements, especially a multi-planetary gear, with a driven internally toothed (2) sun-wheel (1) meshing with at least one driving cog (20) and a slow-running crankshaft (6) fitted ...
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