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WO/2002/055903A2 |
The invention relates to measures for controlling or reducing drag torque occurring in a multi-plate clutch device (202) due to temperature-related increased viscosity of an operating fluid which is supplied to the plates in operation. T...
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WO/2002/055910A1 |
A method for operating a drivetrain and a drivetrain (10) with a controller (36), carrying out said method are disclosed. According to one aspect of the invention, at least in one operating state, from a driving operating state, or an ov...
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WO/2002/055904A2 |
A method of mounting a mechatronics control module (14) includes an electronic control unit (16) having a flex foil circuit (34) with a multiple of mounted electronic components including sensors (24) which sense the hydraulic state of t...
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WO/2002/052163A1 |
The invention concerns a clutch release bearing comprising an axially mobile piston (14), and a ring (26l), integral with a raceway (C1), hooked on the piston (14) with axial-effect squeezing elastic means (38, 40). The ring (26l) is pro...
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WO/2002/046632A1 |
The invention relates to a double or multiple disk coupling device for arrangement in the power train of a vehicle disposed between a driver unit and a gear box. The coupling device (12a) comprises a plurality of radially staggered disk ...
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WO/2002/040891A2 |
A bi-directional overrunning clutch differential (10) is disclosed for controlling torque transmission between a pinion input shaft (32) and at least one output hub (78) in a vehicle. The differential includes a clutch housing (50) and a...
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WO/2002/040886A1 |
The invention relates to a clutch system, comprising at least one clutch device, especially for arrangement in a drive train, between a drive unit and a transmission. Said clutch device (202) can be actuated through the conveying of a pr...
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WO/2002/036979A1 |
A transmission employs a drum type gear selector having circumferential pads (45) employing driving pad geometry, which allows a pad to be in full contact with the drum. Each pad has its centre of gravity 'Cg' on the left side of pivot p...
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WO/2002/036978A1 |
In a transmission of the constant mesh type a number of gear selectors are driven by using a hydraulic coupling between input and output pistons. The hydraulic coupling functions as a hydraulic spring and force multiplier. A hydraulic ac...
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WO/2002/036977A1 |
A multi cone selector in a transmission employs sandwiched cone friction surfaces 19A, 20A and 21A and these are shown in free or unengaged state while the corresponding friction surfaces as numerals 19, 20 and 21 are shown as engaged. T...
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WO/2002/023059A1 |
The invention relates to a method and device for operating a clutch between an internal combustion engine and at least one driven wheel of a vehicle. A torque is transmitted between the internal combustion engine and the driven wheel on ...
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WO/2002/023066A1 |
The invention relates to a method and device for operating a clutch (3), between an internal combustion engine (1) and at least one driven wheel (8, 9) on a vehicle. A torque is transmitted between the engine and the driven wheel on pres...
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WO/2002/023030A1 |
The invention relates to a drive unit for a vehicle, with at least one drive wheel, comprising an internal combustion engine, a clutch, arranged between the internal combustion engine and the at least one drive wheel, for the transfer of...
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WO/2002/016807A1 |
The invention relates to a device for actuating a clutch, in particular, for motor vehicle transmissions. Said device comprises an electronically controllable clutch actuator (10, 42), which has an electric motor (12, 44) and a speed-red...
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WO/2002/014705A1 |
The invention concerns a device (1) comprising a rigid rod (50) mobile in a translational and/or rotational movement, whereof one end penetrates inside a recess (30b) of a piston (30) and is fixed (60) by a swivel to the recess (30b) of ...
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WO/2002/012745A1 |
The invention relates to a device for fixing a hydraulic clutch activating device, especially a clutch slave cylinder, to a gearbox housing (40) of an internal combustion engine. Said device comprises a hydraulically activated piston (16...
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WO/2002/004830A1 |
The invention relates to a master cylinder comprising a master piston (2), which is driven by an actuating lever (4), and comprising an energy accumulator (11), which is actively connected to said actuating lever. The pressure matching u...
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WO/2001/096163A1 |
A vehicle clutch system in which a driven plate (13) is clamped between a pressure plate (15) and a flywheel (14) by a diaphragm spring (16). The clutch is released by depression of a clutch operating pedal (11) which is connected with t...
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WO/2001/096759A2 |
Provided herein is a torsional vibration damping system (20) for damping torsional vibrations in a vehicle driveline. The system comprises a driving member (22) adapted to be connected to an engine crankshaft, a damper assembly (30) and ...
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WO/2001/092765A1 |
A seal (10) comprising a center base portion (20), a radially inner upright section (22) extending substantially perpendicular from the center base portion (20), and a radially outer upright section (24) extending from the center base se...
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WO/2001/090605A1 |
The automatic transmission for vehicles has a housing in which a number of clutches and brakes are located, an input shaft and an output shaft and at least one torque-guiding shaft (1), which is provided with an axial central bore (3) an...
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WO/2001/079719A1 |
Mechanically driven clutch pneumatic cylinder consisting of a pneumatic cylinder series connected to the cinematic chain from the automotive vehicle mechanical clutch system, having casing (01) housing piston (07) and the connecting bar ...
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WO/2001/073310A1 |
Vehicle clutch auxiliary pneumatic cylinder with reducing response period characterized by a pneumatic cylinder having inside its casing (01) an admission valve (16) and a discharge valve (17) interconnected by guide shaft (09) which is ...
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WO/2001/071209A1 |
A concentric slave cylinder (11) for use in a clutch actuator in which the housing (30) of the slave cylinder is a two-part construction with inner and outer cylindrical members (32, 34) forming an annular chamber (60) therebetween for a...
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WO/2001/066407A1 |
The present invention relates to a locking system for a rotating joint. In the device, the locking system (L) comprises a rigid locking means (12) movable in the axial direction (X1), provided with a first cogging (13) which can be moved...
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WO/2001/061202A2 |
The invention relates to a torque transmission device (1) comprising a first (10) and at least one second (12) coupling device, of which each can be switched into different switching positions. The torque transmission device also compris...
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WO/2001/061214A2 |
The invention relates to a device for transmitting the torque. The inventive device comprises at least one first (10) and at least one second coupling device (12) which can be switched into different switching positions respectively. The...
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WO/2001/061150A1 |
A rotary hydraulic motor (10) drives an output shaft (16), and engages a load shaft (70) through a clutch (17). The output shaft of the rotary hydraulic motor is displaced in an axial direction by an actuator rod (28) which is connected ...
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WO/2001/057419A1 |
An automotive gearbox (2) comprising a centrally operating device (28) which is used to release the clutch (6) and is disposed between the clutch disc and the clutch bell of the gearbox (2). A clutch control mechanism (22) arranged on or...
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WO/2001/050033A1 |
A pressure booster comprising a housing (11) with a low-pressure fluid inlet (14), a high-pressure fluid outlet (15), and an inlet (16) and an outlet (17) for compressed air. In the housing (11) there is provided a main piston (22) with ...
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WO/2001/042675A1 |
The invention relates to a force-transmission unit, comprising a hydraulic clutch which is dependent on the difference in rotational speed. The unit has a housing (4) and is characterised in that a hydrostatic displacement machine (20) g...
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WO/2001/042674A1 |
Hydraulically operated double clutch with first and second piston-cylinder devices for engagement and disengagement of the respective clutch unit. The cylinder chamber (17) of the first piston-cylinder device is delimited between its pis...
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WO/2001/042673A1 |
Hydraulically operated double clutch with first and second piston-cylinder devices for engagement and disengagement of the respective clutch unit. The cylinder chamber (17) of the first piston-cylinder device is delimited between its pis...
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WO/2001/027487A1 |
The invention relates to a rotational speed differential dependent hydraulic clutch comprising a rotating drive housing (27) located in a non-movable housing (25) which forms a reservoir, a hydrostatic displacement machine (35), an outpu...
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WO/2001/014758A2 |
The invention relates to an advantageous embodiment of a hydraulic release system (1) with a slave/master cylinder (70) and an interposed pressure line (71).
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WO/2001/011272A1 |
A gearbox includes an input shaft (2), an output shaft (4) substantially coaxial therewith and a layshaft (8) parallel thereto. The input shaft (2) carries two or more gearwheels (A, B) in mesh with respective gearwheels (F, G) carried b...
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WO/2001/004518A1 |
The invention relates to a variable gear ratio transmission comprising a number of clutches and brakes which are at least partially configured as wet multi-plate clutches, whereby a hydraulic piston (1) is assigned to each clutch. A baff...
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WO/2001/003984A2 |
The invention relates to an axial drive for converting a rotational movement into an axial movement. The spring spindle (10) substantially comprises a component (13) with a helical spring (12) rotationally fixed thereto and a component w...
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WO/2001/001006A1 |
A pushrod assembly (36) for use in association with a vehicle clutch control system of the type including a slave cylinder (16) having an output member (19) adapted for control of the clutch mechanism of the vehicle, a master cylinder (1...
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WO/2000/077415A1 |
A hydraulic cylinder has a piston (13) with a seal (21) in sealed sliding contact within a bore (12) to define a working chamber (16) ahead of the piston for the discharge of pressurised fluid from the bore via an outlet (17) when the pi...
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WO/2000/074989A1 |
The invention relates to a device (10) comprising a cylinder body (17) in an inner bore hole (22) in which a piston (21, 42) is mounted in such a way that it can slide axially, whereby the cylinder body (17) comprises at least one part i...
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WO/2000/075525A1 |
The invention relates to a piston (21) for a hydraulic control device (10) for a clutch, especially the clutch of an automobile, comprising a tubular, especially aluminium based, metal sleeve (42), characterized in that said sleeve(42) c...
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WO/2000/073098A1 |
Disclosed is a car clutch. A clutch base (730) is formed with a seating part (732) and an input-side ring gear (736). An output shaft (740) is fitted through the seating part and has first and second sun gears. A first carrier member (75...
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WO/2000/073675A1 |
Disclosed is a clutch apparatus comprising a clutch base (120) having a supporting boss (122) which has first spline grooves (122a); a clutch cover (110); an output shaft (130) having a sun gear (132); rotating bearings (B4) fitted aroun...
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WO/2000/071909A1 |
A transmission includes a gear engaging apparatus to engage free rotating gears using a hydraulic actuator. Gear (17a) is formed to receive a needle bearing (43), which firmly fits on the shaft (2). Between gear (17a) and shaft (2) there...
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WO/2000/070236A2 |
A rotational control apparatus (10, 10a) for controlling the transmission of rotational forces between first and second relatively rotatable members (26, 120, 120a) includes a piston (76, 76a) interconnected for concurrent axial movement...
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WO/2000/055519A1 |
The invention relates to a starting unit (30) for using in drive systems, especially drive systems of motor vehicles, comprising a hydraulic coupling (2) and a lock-up coupling (3) which are connected in parallel. According to the invent...
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WO/2000/053946A1 |
The invention relates to a hydraulically actuated clutch release system (7) Said system comprises a pull mechanism (8) that pulls the pressure plate (1) from the engaged position into the disengaged position upon disengagement of the clu...
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WO/2000/053947A1 |
The invention relates to a clutch with a clutch controller (7) that can be linked with a gearbox via a gearbox-mounted contact surface (31), and a pressure plate (1) that pushes, in an engaged position, a driving disk (2) against a count...
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WO/2000/053948A1 |
The invention relates to a clutch with a pressure plate (1) which in an engaged position pushes a driving disk (2) against a counter surface (3). For releasing the clutch, said pressure plate displaces a clutch controller (7) into a dise...
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