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WO/2001/065075A1 |
A control tensioner device for adjusting and maintaining the tension in a flexible linkage in an engine includes a retainer having a central passageway extending therethrough. At least a portion of the central passageway contains a first...
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WO/2001/065087A1 |
A four stroke internal combustion engine is disclosed having a power take off housing located at one end of the engine. A crankshaft is operatively connected to a drive shaft and the cam shaft within the power take off housing. Furthermo...
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WO/2001/065089A1 |
A supercharged four stroke internal combustion engine. The engine includes a power take off housing located on one end of the crankcase. A supercharger for boosting air intake to an air intake manifold is mounted to the power take off an...
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WO/2001/044687A1 |
A continuously variable reversible transmission including an input shaft (2), a housing (1), an input arm (4), first and second CVT shafts (5.6), a fixed input wheel (35), a ratio selector mechanism, an overall output wheel (36) and an o...
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WO2000015977A9 |
A continuously variable transmission has dual driving connections extending between a first shaft and a second shaft. The driving connections generally include a drive pulley, a driven pulley and a belt. The pulleys each comprise a fixed...
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WO/2001/044686A1 |
The invention relates to an infinitely variable automatic gearbox comprising at least one drive shaft (1) and one output shaft (2) on which a plurality of belt pulleys (3.1, 3.2) respectively consisting of two pulley elements (6.1 - 6.4)...
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WO/2001/044685A2 |
The invention relates to a differential for combining two torques (M¿1?, M¿2?), consisting of two simle planetary gears (P¿1?, P¿2?) with sun (16) and planetary elements (15, 18) and ring gears (17, 19).The simple planetary gears (PÂ...
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WO/2001/038755A1 |
The invention relates to a flat link articulated chain for variable cone pulley gears and to a method for producing such flat link articulated chains. The flat link articulated chain, whose links linking the individual chain members form...
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WO/2001/036846A1 |
The invention comprises a continuously variable transmission pulley. The pulley comprises at least one axially movable sheave section which is coaxial with a second sheave section. Each sheave section (31, 32, 33, 34) has a series of rad...
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WO/2001/032461A1 |
A controller for the driving system of a vehicle wherein the driving system extending from a power source to a driving wheel comprises a wheel control means for controlling the number of revolutions of the wheel, and a connecting mechani...
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WO/2001/031218A1 |
The invention relates to a dual clutch (2), comprising an electromagnet (13) and an armature disc (3), which is connected to a shaft (5) using at least one diaphragm spring (6), in a rotationally fixed manner so that it can be axially di...
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WO/2001/021430A1 |
The invention pertains to all-wheel drive vehicles, preferably to cars. The transmission includes two variators with V-shaped belts, installed in parallel and symmetrically with respect to the longitudinal axis of the vehicle. The power ...
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WO/2001/020198A1 |
The invention provides for a control system (15, 16, 17, 18, 19, 20, 21) for a continuously variable transmission and continuously variable transmission wherein such is utilised, the continuously variable transmission comprising a drive ...
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WO/2001/018430A1 |
A cluster sprocket assembly (10), comprising in combination at least two sprockets axially and concentrically positioned relative to one another, the sprockets comprising a non-circular configuration having at least one long dedendum rad...
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WO/2001/016507A1 |
A continuously variable transmission system (1) comprises a continuously variable transmission (2) having two pulley sets (3, 4) each with two discs defining a V-shaped groove, drive means (13) for varying the width of said groove and a ...
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WO/2001/004517A1 |
The invention relates to a system to produce a signal for hydraulic regulation of transmission of a continuously variable transmission in a motor vehicle. A valve that influences the hydraulic connection between a pressure reservoir havi...
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WO/2000/076799A1 |
The invention relates to a system for adjusting the tension of the wound part (1) (e.g. of a belt) of a belt drive transmission whose transmission ratio can be continuously varied and which is mounted behind a vehicle engine. First means...
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WO/2000/070240A1 |
A multi-speed mechanical transmission for higher efficiency vehicles comprising dual belts (8, F) and linkages which are intermediated by a series of pivoting gears (3-6). The gears (A-E) are parallel and are co-axial with one belt (F) o...
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WO/2000/065253A1 |
A continuously variable transmission for a motor vehicle has a variator (2, 2') with a primary disk set (3, 3') and a secondary disk set (4, 4'). A primary taper disk (5, 5') and a secondary taper disk (6, 6') that are hydraulically disp...
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WO/2000/060256A1 |
A pulley set for a continuously variable transmission unit, comprises a pair of discs (1, 2) accommodated on a shaft (3), and a screw mechanism (6) which is concentric with respect to said discs and for moving the discs towards and from ...
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WO/2000/037832A1 |
The invention relates to a system for adjusting the voltage of a wrapped component of an infinitely variable speed transmission, preferably a transmission with a step-up ratio which can be adjusted in a stepless manner and one that is ar...
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WO/2000/037834A1 |
The invention relates to a hydraulic control (10, 10a, 10b) provided for a continuously variable transmission (12). The piston chambers (24, 26) of a first and of a second displacement device (14, 16) are subjected to the action of a pum...
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WO/2000/037833A1 |
A control unit (1) of a continuously variable transmission (4) operates a speed ratio command variable from a reachable speed ratio, a time constant representing a predetermined dynamic characteristic, and a time constant representing an...
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WO/2000/028241A1 |
The invention relates to a method for adjusting the transmission ratio in a continuous variable transmission that is provided with a variator. According to the invention, a minimal pressure force p¿1,min? and/or p¿2,min? is continuousl...
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WO/2000/019130A2 |
The invention relates to an automatic transmission of a motor vehicle which is controlled by an electronic transmission control system which continuously exchanges signals with a digital engine electronics system of an internal combustio...
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WO/2000/019125A1 |
A variable speed drive comprising two drives A and B, an output drive wheel (62) and an endless, extendible member (66) that is driven by the drive A and B and extends round and rotates the output drive wheel (62). The drives A and B are...
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WO/2000/012918A1 |
Control system for a continuously variable transmission with two pairs of conical disks (6, 8-11, 13), mutually coupled by an endless transmission means (14), in which of each pair at least one disk (21, 22) is coupled to a hydraulical a...
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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/2000/008380A1 |
A continuously variable transmission (20) comprising an adjustable gearing mechanism (34) which includes a hub (36) operatively connected to an input shaft, resilient arms (38), and an engaging portion (44). The resilient arms are attach...
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WO/2000/008323A2 |
The present invention relates to a continuous-variation transmission (10) for vehicles that comprises three pairs of conical discs (14, 18, 22). Two pairs of conical discs (14, 18) are used for controlling the operation speed of the vehi...
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WO/2000/008347A1 |
A sliding key which engages a slide tube slidably in the axial direction of the rotating shaft and rotatably together with the rotating shaft and which is formed integrally of a metal-formed compact and resin body, whereby any erroneous ...
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WO/2000/006412A1 |
The invention relates to a method for setting a multiplication of a continuously variable automatic transmission equipped with a variator (CVT) comprising the following method steps: a) it is determined in a test module (M1, M1') whether...
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WO/1999/058882A1 |
A metal belt type non-stage transmission, wherein a change gear ratio (i) is changed by applying a first large axial thrust to a drive pulley and a second small axial thrust to a driven pulley at a shift-up time, and thereby increasing a...
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WO/1999/036710A1 |
A continuously variable transmission and a method of changing speed which is capable of changing rotational speed in a continuous manner are disclosed. The continuously variable transmission comprises a driving portion (100) and a driven...
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WO/1999/032806A1 |
The invention relates to an automatic transmission for a motor vehicle, especially a continuously variable transmission. The transmission has a variator, a primary disk set (12) and a secondary disk set (10) having a pushing linked band,...
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WO/1999/025994A1 |
A belt type nonstage transmission system, wherein, when a hydraulic cylinder (110) is operated, the hydraulic cylinder (110) and a resilient member (134) of a tensioner (104) draws in a belt (102) against the force of a resilient member ...
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WO/1999/024879A1 |
The invention relates to a control method with a characteristic curve which is defined by interpolation points (3, 4, 5, 6, 7), said characteristic curve being stored in an electronic processing unit. The aim of the invention is to provi...
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WO/1999/024740A2 |
The invention relates to a continuously variable conical disc belt contact gear (1) which is located in a motor vehicle between a drive unit and at least one wheel in the power flow. The gear has an input shaft (2) and an output shaft (3...
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WO/1999/017950A1 |
The invention relates to a transmission line controller (1) for a vehicle (8) or a self-propelled work machine comprising a drive motor (5), a regulator (2) and a continuously adjustable gearbox (7) with a gear ratio regulator (3). The t...
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WO/1999/016635A1 |
The invention relates to the adjustment of the gear ratio of a continuously variable transmission with a primary and a secondary side, which is arranged between the motor of the vehicle and the driving wheels. According to the invention,...
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WO/1999/013242A1 |
A continuously variable transmission system (14) for coupling between a rotating drive shaft and an output shaft employs a first drum (16) rotated by the drive shaft and a second drum (18) connected to the output shaft. At least one, and...
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WO/1999/007572A1 |
The invention is based on a device or method for adjusting the ratio of transmission in a continuously variable transmission, i.e. a transmission in which the ratio of transmission can be continuously adjusted, comprising an input and an...
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WO/1999/006739A1 |
A belt drive differential (16) with an output shaft (12), two planet sprockets (16, 18) rotatably mounted to a carrier (14) to orbit in a circular path about a carrier axis coaxial with the output shaft (12), a first output sprocket (60)...
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WO/1999/004184A1 |
The invention relates to a return planetary gear system having a fixed housing (1) with an internal gear (2). The housing lodges a planet wheel carrier (3) which is set rotating by a driving gear. The inventive gear system also has a pla...
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WO/1999/002896A1 |
The present invention relates to an actuating device for the varying ratio of a continuously variable transmission in a vehicle equipped with an internal combustion engine, the actuating device comprising two sleeves (11, 12), respective...
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WO/1998/054022A1 |
The invention relates to a drive system, especially for an automobile, comprising a drive unit, especially an internal combustion engine (1), a gear mechanism (2) with variable transmission between said drive unit (1) and the drive mecha...
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WO/1998/053226A1 |
The present invention pertains to an emergency hydraulic control for a continuously variable transmission, characterized in that a throttling valve is mounted on an open hydraulic circuit to feed the piston chambers (17, 13) correspondin...
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WO/1998/042531A1 |
The invention relates to a device for controlling a continuously variable transmission (4) in a motor vehicle. Said transmission (4) is located in the drive train of the motor vehicle together with a drive unit (1) which has an adjustabl...
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WO/1998/043003A1 |
The invention relates to a system for controlling a continuously variable transmission in a motor vehicle. Said transmission is arranged in the drive train of a motor vehicle together with a drive unit (1) which has an adjustable drive t...
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WO/1998/041785A1 |
A rotary device comprising two elements (12, 20/22) supported for rotation about an axis (11) and movable relative to one another along said axis, and diaphragm spring means (33) urging said elements axially relative to one another, said...
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