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WO/1991/000440A1 |
A clutch operating device for pushing the clutch release member (5) of a dry-disc type clutch (1) disposed between a fly wheel (2) fixed to the output shaft of the engine and a propelling shaft (3) rotatably supported by the support wall...
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WO/1990/009533A1 |
The invention concerns a pedal-operated clutch device (1) for motor vehicles, in particular for agricultural tractors. The clutch (2) is operated entirely by muscle power. Sensitive engagement and disengagement of the clutch (2) combined...
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WO/1990/004115A1 |
The adjusting device for hydraulically operating multi-disk brakes includes holding bolts (7) retained by means of a fastening element (71) inside the annular piston (5). The bolts (7) extend with radial play from the piston (5) into a s...
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WO/1990/004116A1 |
The actuator (10) includes a housing (20) adapted to be positioned within a clutch housing (14) around a drive shaft (16). The housing is formed of a plastics material and includes inner and outer axially extending annular wall portions ...
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WO/1990/002273A1 |
Drag torques and the resultant energy losses can be prevented by spreading the individual disks in friction disk sets in clutches and/or brakes and holding them apart. Spreading elements in the form of magnets (8) inserted in disk carrie...
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WO/1990/002274A1 |
A clutch release mechanism (10) that comprises an annular piston-cylinder (39, 36) arranged to move an anti-friction bearing (50) axially for operating a friction clutch (14) between an engaged position and a disengaged position. The out...
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WO/1990/001123A1 |
The control device for a disk-clutch consists of a cylinder (2) and a piston (1). An opening (3) allows to put under pressure, in a chamber (17) formed between the cylinder and the piston, liquid from the master cylinder actuated by the ...
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WO/1990/000994A1 |
Master and slave cylinders (10, 45) are provided interconnected by a conduit (46). The master cylinder (10) includes a piston (19) movable in a cylinder (11) which defines a pressure chamber (82) arranged to be placed under pressure by t...
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WO/1989/012762A1 |
A non-rotatable hydraulic actuator (10) for a clutch (11) has a housing (30) with an annular piston bore (30e) axially overlapping a cavity (30p) for the clutch release bearing (34). A piston (32) slidable in the bore (30e) abuts the tra...
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WO/1989/011599A1 |
In a multi-disk friction clutch, the teeth (7) on the outer disks have undercut flanks (10). Under the influence of a resultant centrifugal force acting on the centre of gravity, the outer disks, which are fitted with play in their outer...
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WO/1989/011600A1 |
A coupling-master unit made of plastic for a motor vehicle comprises a plastic cylinder housing (1) and a piston (2), and a plastic sleeve (3). The plastic sleeve (3) can be screwed into the housing by means of a screw thread (4) arrange...
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WO/1989/011040A1 |
The actuator comprises a clutch pedal lever (12) which is pivotally connected to a support (17). The pedal is integral with a cylinder (18) having a piston (20) therein which is connected to a hollow pushrod (28). The pushrod is also piv...
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WO/1989/010493A1 |
A release for clutches, having a tubular cylinder (12) disposed coaxially with a release bearing (10), a tubular piston (15) fitted in a tubular working chamber (13) in the cylinder (12), and an annular packing (40) provided in contact w...
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WO/1989/010494A1 |
The invention relates to an arrangement for automatic control of a hydraulically operated friction disc clutch (60) with diaphragm spring (64). The hydraulic operating unit comprises a hydraulic cylinder which, by acting on the diaphragm...
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WO/1989/004926A1 |
This invention relates to a pull type clutch composed of a flywheel (10), a clutch cover (20) fixed to the flywheel, a clutch disc (16) and a pressure plate (18) which are provided on the inner side of the clutch cover, a substantially a...
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WO/1989/002992A1 |
A clutch drive for a vehicle engine cooling fan includes a pulley portion (32) which is driven by the vehicle engine, a fan plate (22) which rotatably mounts the engine cooling fan, and a pressure plate (28) which is yieldably urged into...
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WO/1989/002547A1 |
An assembly has a pair of opposed, finned heat dissipating discs (11) between which a friction module (60) is disposed for forcing generally kidney-shaped friction pads (33) thereon against inner surfaces of the discs (11). The friction ...
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WO/1989/002546A1 |
A hydraulic gearshift, in particular multi-plate clutch or brake (1) for gears of motor vehicles capable of being shifted under load has a working piston (9) capable of being hydraulically driven arranged in a working cylinder (8). To ev...
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WO/1988/010376A1 |
A clutch for a motor vehicle has a starting and separating clutch (3) arranged between a driving engine (1) and a gear box (2), which is opened and closed in a defined manner by an electronic control unit (4) and by a complex actuating u...
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WO/1988/010378A1 |
The arrangement to oppose difference in relative rotational speed between two rotatable shafts (1, 2) including a primary element, made to rotate with one of the shafts, and a secondary braking element, made to rotate with the other shaf...
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WO/1988/009734A1 |
The hydraulic actuator comprises a hydraulic master cylinder (12) having an outlet (12e) for connection to a slave cylinder (14) through a working fluid conduit (15) and an inlet port (12d) for connection to the outlet port (23) of a res...
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WO/1988/009889A1 |
The seal comprises a seal member (26) which is moulded by a flashless moulding process on to an insert formed in one embodiment by a flange (20c) and ribs (20d, 20e) on a piston (20). The provision of the insert reduces seal squish and i...
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WO/1988/008801A1 |
The assembly comprises a piston (18) made of plastics material and which is slidable axially in a cylinder (16). The piston has an axially extending socket (18f) in an end thereof made of metallic material which locates a piston rod (21).
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WO/1988/008800A1 |
A master cylinder (12) includes a piston (30) slidable within a pressure chamber (28b) and a valve assembly (36) for permitting an inhibiting communication between the pressure chamber (28b) and a reservoir. The valve assembly (36) inclu...
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WO/1988/007635A1 |
This invention applies to an air clutch for an automobile and the like. An output-side clutch disc (54) is provided between an input-side flywheel (50) and an annular plate (53) combined unitarily with the flywheel (50), and two friction...
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WO/1988/007146A1 |
An overload clutch (A) has an axially movable ring (52) with cavities (58) seating torque transmitting balls (100b) retained in seating cavities (100a) in a sheave mount (96), the cavities (100a) being larger than the cavities (58). The ...
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WO/1988/007144A1 |
Pressurized friction disc clutch or brake with a piston-cylinder operating device (1, 2) and a disc spring (3) arranged between the piston (1) and a pressure plate (4) of the friction disc clutch, the binding faces (11, 41) for the disc ...
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WO/1988/004374A1 |
A release bearing mechanism having a structure wherein a cylindrical extension (24) is provided on an inner race (23) of a release bearing (20), a wedge collar (21) is provided on the outer circumferential surface of the cylindrical exte...
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WO/1988/003235A1 |
A hydraulic fluid system inlcuding a master cylinder (30) moved by a clutch pedal (34) for pressurizing a remotely located slave cylinder (50). The slave cylinder and master cylinder each including a rolling diaphragm (104, 176). The sla...
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WO/1988/003234A1 |
A hydraulic actuator (10) for a clutch is adapted to be mounted co-axially with the drive shaft of an engine/transmission combination in a motor vehicle, and comprises a hydraulic cylinder body (26) slidably mounted on a plurality of axi...
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WO/1988/001951A1 |
A device controls an automatic motor vehicle clutch (1) arranged between the driving motor (2) and a gearbox (3) and acting mainly as a starting clutch. A controlling device (5) converts an electric signal generated by an electronic cont...
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WO/1988/000661A1 |
A gear shift coupling, specially for automatic gears of motor vehicles, for shifting infinitely variable change-speed gears or multi-step reduction gears has at least one axially movable coupling ring (2) with a coupling profile (6) whic...
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WO/1987/006662A1 |
A liquid cooled clutch (48) for a multi-layshaft constant mesh change speed gear train comprises multiple interleaved annular clutch elements (74, 78) axially slidably coupled by drive dogs at their inner and outer peripheries in the usu...
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WO/1987/005084A1 |
The disclosed forced cooling device for friction brakes or clutches eliminates drag torques in friction disk sets (6, 10, 11, 12) which are oil-cooled by providing a reliable stopping of the cooling oil supply at the end of each braking ...
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WO/1987/003943A1 |
A roll support spindle comprising a tubular axle (1) having a number of circular threaded apertures (6). The interior of the tubular axle is sealed by end plugs (2) and (3) and threaded hollow plugs (8) containing elastomeric membrane (9...
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WO/1987/003348A1 |
A wet disc clutch which comprises, between each outer disc (1a to 1d) and each inner disc (4a to 4c) expanding elements (20) which in the engaged state of the clutch are tensioned when the discs are pressed together. When the clutch is d...
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WO/1987/001773A1 |
Arrangement in a friction clutch between an engine and a gearbox, where a clutch release bearing (2) is premounted in a clutch portion (1) connected to the engine and an axially displaceable sleeve (15) cooperating with the clutch releas...
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WO/1987/001420A1 |
A compressor drive (10) controls the driving connection between a vehicle engine (12) and an air compressor (14). The drive (10) includes a clutch disc pack (82) which is lubricated by lubricating fluid communicated through a passage (40...
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WO/1986/007623A1 |
Fan drive mechanism (10) includes a fan plate (15) rotatably mounted on a spindle (12) by bearings (18, 20) having an outer race (22) secured to the fan plate, an inner race (24) mounted on the spindle, and ball bearings (26) rotatably s...
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WO/1986/004968A1 |
Start-up and shifting clutch mechanism for vehicles with a multiple disc clutch (1), which is provided with lubricating and cooling oil in the sliding phase and which operates dry in closed and open condition. The multiple disc clutch (1...
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WO/1986/003811A1 |
A clutch actuator is provided between a release bearing (28) for a clutch (10) and a clutch operating means so that, even when a facing (20) of the clutch is worn, the stroke of a piston (60) in an air pressure responsive means (56) does...
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WO/1986/002704A1 |
A lamellar clutch (11, 17, 20) and a dog-type clutch (17, 21) are connected one after the other in the direction of the power delivery in a drive train, between a shaft (1) and an idling wheel (5). A piston (21) in the idling wheel (5), ...
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WO/1985/005660A1 |
The lamellar clutch is actuated by a fluid-operated linear motor (3). The piston (2) of the linear motor (3) is solidly attached to a drive shaft (1). The cylinder (7) of the linear motor (3) is linked with the piston (2) so that it can ...
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WO/1985/004696A1 |
A clutch arrangement (10) for co-axial shaft members including a drive or input shaft member (12 or 14) and a driven or output shaft member (14 or 12); the arrangement having a disc (20) concentrically mountable on one of the shaft membe...
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WO/1985/004223A1 |
A roll support spindle comprising a hollow tubular axle (1) having a number of apertures in the circumferential wall thereof filled by an annular elastomeric membrane. The interior of the axle is sealed by end plugs (2) and (3) and adapt...
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WO/1985/002662A1 |
The present cooling system (21) provides a limited flow rate to clutches (26, 28) (for example in industrial vehicles) during disengagement and provides additional cooling flow to the clutches (26, 28) during partial engagement and contr...
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WO/1985/001332A1 |
Hydraulically actuated, oil cooled lamella coupling (2, 102), for motor vehicles particularly agricultural tractors, working according to the principle of double coupling for loading shiftable gears comprising two parallel power branches...
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WO/1985/000206A1 |
An oil cooled and hydraulically operated clutch assembly in which a clutch (10) is contained within an incapsulating clutch housing (18). An output shaft (20) passes through an aperture in the rear of the housing (18), the forward end of...
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WO/1984/003337A1 |
Control device for a clutch (1) with torque converter arranged as a common construction with a synchronized gear transmission, the clutch being closed by means of a control of the gear shift unit by two pressure chambers (4, 6) arranged ...
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WO/1983/001284A1 |
The annular piston for a multidisk coupling, particularly for a motor vehicle, rotates about the coupling axis (7) and is axially displaceable against the force exerted by spiral springs. The piston has a cylindrical wall (2) and a base ...
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