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WO/2000/052362A1 |
The invention relates to a continuously variable automatic transmission comprising a plurality of clutches and brakes. At least a part of the clutches are configured as wet multi-disk clutches. The transmission also comprises an inner an...
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WO/2000/050280A1 |
The invention concerns a hydraulic control device for a motor vehicle clutch, comprising at least a control cylinder (10) wherein the cylinder (10) comprises a substantially tubular cylinder body (17) wherein a piston (20) slides axially...
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WO/2000/050282A1 |
The invention concerns a device (10) comprising a cylinder body (17) and a piston (21, 42) axially sliding in an inner bore (22) of the cylinder body (17) and at least a dynamic seal (59A, 59C) borne by the cylinder body (17, 17B). The i...
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WO/2000/050225A1 |
A clutch/brake device (1) of a machine press, comprising a stationary member (3) for rotatably supporting a flywheel (2), a rotating shaft (4) having a pivotally supporting shaft part (4c) supported rotatably on the stationary member (3)...
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WO/2000/050783A1 |
The invention relates to a release bearing for clutches comprising an external bearing ring (6) and an internal bearing ring (3) with guided rolling bodies (4) which are arranged preferably in a cage (5) between said bearing rings. The i...
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WO/2000/050281A1 |
The invention concerns a device wherein the cylinder (10) comprises a cylinder body (17) wherein a piston (20) slides, and comprising an intermediate element (91) housed in the cylinder body rear part (26), for axial positioning of at le...
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WO/2000/045061A1 |
The inventive device comprises an outer body (32), a mock cavity (36) that is radially defined on the outside by an outer tube (68) comprising a liquid feed inlet (42) for a chamber (36) that is joined to a feed pipe which communicates w...
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WO/2000/040868A1 |
The invention concerns a clutch master cylinder comprising at least a front piston (12) and a rear rod (14) actuating the piston (12) whereof a front head has a generally convex spherical shape and is received in a matching housing, form...
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WO/2000/034676A1 |
A frictional engaging device and frictional engagement control method, wherein with attention paid to the phenomenon of the frictional coefficient of the friction surfaces of a friction engagement device being changed when an electric fi...
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WO/2000/030933A1 |
The invention relates to a clutch for coupling two shaft sections (2a, 2b) of a drive shaft. Said shaft sections (2a, b) carry an internal clutch ring (8) and an external clutch ring (9) which is coplanar to said internal ring. Said clut...
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WO/2000/028230A1 |
The invention relates to vehicle comprising a device (50) for determining first data and to a memory (60) for storing data with a device for determining the distance (90) run by the vehicle. Said first data are respectively assigned to t...
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WO/2000/026556A1 |
The invention relates to a release bearing (8) used in a clutch release device (1) for actuating a friction clutch in automobiles. In order to seal an annular gap (14) that is regulated between the inner ring (9a) and the outer ring (10)...
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WO/2000/026557A1 |
An operating device for a clutch (40) of a vehicle (11), comprising a pneumatic working cylinder with a cylinder (1) and a piston (2) which together define a working chamber (6) and a prechamber (7) respectively. The piston's piston rod ...
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WO/2000/026555A1 |
A clutch for connecting a flywheel (1) on a drive shaft (2) of an engine with a driven shaft (15) of a gearbox. The flywheel (1) is connected to a clutch cover and between them there is disposed an axially movable pressure plate (8). A c...
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WO/2000/023720A1 |
A transmission which is simple in structure and reduced in gear change shock or gear change judder, wherein two clutch units (30, 50) are disposed axially in parallel with each other so that a plurality of transmission gear ratios are fo...
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WO/2000/022323A1 |
The invention relates to a reversing gear-box which can be shifted when under load and in which the reversing clutches (1, 2) are automatically evacuated by the flow of pressure medium through the clutch (1, 2) that is not subjected to t...
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WO/2000/006927A1 |
A gearbox adaptor (2) which can be combined with a standard vehicle gearbox to convert a standard gearbox to a sequential gearbox. Some or all of the gears (5, 6) of a standard gearbox have the synchro-hubs and cones removed and one or m...
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WO/2000/006921A1 |
A hydraulically actuated release system, especially for a motor vehicle spring coupling, fitted with a piston cylinder unit (1) comprising a ring-shaped, cylindrical housing (2) and an inner guide tube (3) with a pressure chamber located...
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WO/2000/006920A1 |
The invention concerns a friction clutch for a motor vehicle comprising a skirt (21) integral with a reaction plate (20) and enclosing the friction linings of a first and second friction discs (6, 7) separated by an intermediate pressure...
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WO/2000/003151A1 |
The invention relates to a multi-disk clutch which is connected downstream of a power split transmission. Said multi-disk clutch consists of a double clutch whose individual clutch mechanisms rotate in opposite directions, the speed-depe...
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WO/2000/000753A2 |
The invention concerns a hydraulic, in particular clutching, actuator for receiving control data from a hydraulic circuit in the form of pressure variations. The concentric-type actuator (8) for hydraulic control comprises a fixed part (...
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WO/1999/067546A1 |
The invention concerns a friction clutch, in particular for motor vehicles, comprising a clutching device including engaging means and declutching means and a control linkage for countering the engaging means via the declutching means. T...
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WO/1999/066226A1 |
The invention concerns a device comprising an outer body (6) integral with a guide tube (4) defining on its own a blind ring-shaped cavity (40) axially oriented wherein a piston (3) moves guided by the guide tube (4). The guide tube (4) ...
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WO/1999/064759A1 |
A clutch assembly (10) comprises a clutch cover (11), a pressure plate (12) mounted to the cover, a diaphragm spring (13) biasing the pressure plate away from the cover to engage the clutch, lever means (14) for releasing the clutch and ...
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WO/1999/064756A1 |
A clutch assembly (10) comprises a clutch cover (11), a pressure plate (12) mounted on the cover, spring means (13) biasing the pressure plate away from the cover and lever means (14) for releasing the clutch. A rotary actuator (15) is m...
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WO/1999/064758A1 |
The invention concerns a device comprising a shift cylinder with a cylinder body (17) bearing a first sleeve (54) for guiding a second sleeve (42) enclosing an axially mobile piston (21) with an intervening piston seal between the second...
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WO/1999/064757A1 |
The invention relates to a hydraulic clutch system (1a) for a separating gear-shift clutch in motor vehicles. The inventive clutch system (1a) consists of a cylinder that is concentrically mounted around a drive shaft (5). A guide bushin...
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WO/1999/058868A1 |
The invention concerns a friction clutch, in particular for motor vehicles, comprising a clutch element including clutching means and declutching means, the clutching means being supported by a cover (15), integral with a flywheel (11) d...
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WO/1999/053210A1 |
The invention concerns a transmitter (1) for hydraulic control, designed to be controlled by a controlling member and comprising a hydraulic chamber (9) wherein a piston (8) is mounted sliding sealingly, by means of a joint (18) which it...
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WO/1999/049229A1 |
The present invention relates to a friction-type coupling arrangement comprising a fluid actuated pressure means (16) which when activated actuates a pressure plate (28) for pressing together the discs of a driving coupling part (10, 15)...
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WO/1999/047725A1 |
The invention relates to a plastic component (10). The inner lining of said component is at least partially provided with a metallic layer consisting of aluminium or an aluminium alloy and is characterised in that the surface is chemical...
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WO/1999/030057A1 |
The invention concerns a clutch control hydraulic actuator with a piston (6) mounted axially mobile inside a blind cavity (7) delimited by an outer element (4) and a guide-tube (5) wherein the piston (6) bears at its front end a bearing ...
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WO/1999/030072A1 |
The invention relates to a pressure line system between a master cylinder (18) and a slave cylinder (26) of a hydraulically controlled friction clutch of a vehicle. A fitting (1b) which allows an angle connection between the pressure lin...
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WO/1999/024731A1 |
A hydraulic coupling (10) for use in motor vehicle driveline applications to limit speed differentiation and transfer drive torque between two rotary members. The hydraulic coupling includes a multi-plate clutch assembly (22) operably co...
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WO/1999/023392A1 |
The invention relates to a method and device for determining slip in a clutch between an engine and the transmission of a drive train using clutch input speed and wheel speed, whereby variations in speed are calculated using a mathematic...
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WO/1999/022155A1 |
The invention concerns a clutch (10), comprising a clutch disk (22) connected with a first shaft (A) and a brake device (17) connected with a second shaft (B). By means of the brake cylinder (19) of the brake device (17), the brake pad (...
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WO/1999/017032A1 |
A hydraulic clutch release system (1) for a vehicle friction clutch comprises a cylinder (2) and a guide sleeve (6). The guide sleeve (6) is radially spaced apart from the wall (5) of the cylinder (2) and from a gearbox input shaft (3). ...
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WO/1999/000199A1 |
A method is provided for forming a clutch drum (16) having radially disposed teeth using a punch press. A blank drum is indexed on an mandrel (110) and a die (112) on the punch press forms teeth at each position. The method avoids the cr...
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WO/1998/058188A1 |
An apparatus for engaging and disengaging a clutch, which is applicable to a vehicle provided with a so-called semiautomatic clutch, and which is adapted to prevent the occurrence of an engagement shock and a jerky start of a vehicle whe...
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WO/1998/053188A1 |
A clutch mechanism (25) is provided for a cooling fan (23) of a size capable of fitting into the limited envelope available in an over-the-road diesel tractor. A compact housing (43) has a belt drive input and an output (26) connected to...
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WO/1998/048191A1 |
A clutch mechanism (25) is provided for a cooling fan (23) of a size capable of fitting into the limited envelope available in an over-the-road diesel tractor. A compact housing (43) has a belt drive input and an output connected to the ...
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WO/1998/048212A1 |
The invention concerns a vibration absorber (7) with a housing (8) wherein is mounted a block in elastic material (22) defining a cavity (9) and sealingly closing it. The invention is applicable to motor vehicles.
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WO/1998/048190A1 |
A clutch mechanism (25) is provided for a cooling fan (23) of a size capable of fitting into the limited envelope available in an over-the-road diesel tractor. A compact housing (43) has a belt drive input and an output connected to the ...
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WO/1998/039575A2 |
A versatile apparatus (2) for controlling the transmission of rotational forces between first and second rotatable members preferably takes the form of a clutch that can be activated by axially shifting an internal actuation member (140)...
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WO/1998/030810A1 |
A slave cylinder (10) particularly suited for use in a hydraulic cluth release system for a motor vehicle. The cylinder includes a spring boot (40) which serves as both a dust boot and a cluth release bearing preload spring device. An ex...
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WO/1998/028552A1 |
The invention concerns a receiver comprising an external body (4) with an internal flange (15) constituting the base of the cavity (7) of the receiver (1), also delimited by guide bushing (58) assembled to the external body. The inventio...
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WO/1998/027350A1 |
The invention relates to a friction clutch (1) for motor vehicles, comprising a clutch friction disk which can be locked between two components and is rotationally mounted on a gearbox shaft (3), a clutch spring used to lock the friction...
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WO/1998/027349A1 |
The invention relates to a friction clutch for motor vehicles, comprising a clutch friction disk which can be locked between two components and is rotationally mounted on a gearbox shaft (3), a clutch spring for locking the friction disk...
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WO/1998/027351A1 |
The invention relates to a friction clutch (1) for motor vehicles, comprising a clutch friction disk which can be locked between two components and is rotationally mounted on a gearbox shaft (3), a clutch spring used to lock the friction...
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WO/1998/015748A1 |
The invention relates to an oil-cooled disc clutch comprising a first group of discs (21) interleaved by another group of discs (20). The first mentioned discs (21) are non-rotatably attached by splines to a central axial hub (39). This ...
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