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WO/1998/014713A1 |
The actuator comprises an external body (5) provided with an attachment face (166) and a centering seat (167) and a concentric internal tube (6) with an end shield (61) in contact with the attachment face (16), the centering seat (167) i...
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WO/1998/014712A1 |
A device is provided for actuating force-receiving members (32, 34) of a torque transmission apparatus. The force-receiving members (32, 34) engage first and second rotatable members (12, 14). The device includes a body (16) with a worki...
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WO/1998/013613A1 |
The invention concerns a circuit connector (4) comprising a plate (41) covering an opening (40) of a cover (2) and a power supply conduit (5) for the hydraulic clutch control (9), the plate (41) bears a ductile clip (30) provided with a ...
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WO/1998/008001A1 |
A sheet metal inner torque transmitting member (38) in or for a multiple plate clutch or brake (28) comprises a corrugated cylinder having external tooth surfaces (58) for mating with one group (48) of the multiple plates (44), and inter...
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WO/1998/001685A1 |
The invention relates to a reverse gearing, which is switchable by means of couplings, whereby the input shaft (6) and the output shaft (9) lie in line with each other. A compact reverse gearing, which is easy to assemble can be obtained...
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WO/1997/048916A1 |
A master cylinder assembly including an elongated tubular shell (26) defining a bore (26b) sized to slidably receive a piston (28), an opening (26c) at one end of the shell for passage of a piston rod (30) for driving engagement with the...
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WO/1997/046810A1 |
An external slave cylinder (10) particularly suited for use in a hydraulic clutch release system for a motor vehicle. The cylinder includes a cylindrical body (30) defining a bore (30a), a piston (32) slidably mounted in the bore, a seal...
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WO/1997/045652A1 |
The invention concerns a hydraulic release mechanism (1) for a friction clutch located within a clutch housing (13). The clutch has a pressure connecting piece (11) that is guided through a recess (12) in the clutch housing. To seal the ...
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WO/1997/044594A1 |
The invention relates to a hydraulically actuated releasing device for a friction clutch comprising a pressure casing (2b) in the form of a casting which is secured on the gearbox (4) concentrically with an input shaft (3), in which the ...
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WO/1997/042428A1 |
The invention relates to a control system, in particular an emergency control system, of an automatic clutch. The clutch can operate with slip controlled by the driving speed when engaged, or can be disengaged or remain disengaged when t...
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WO/1997/042426A1 |
A slave cylinder (10) having a piston (11) axially displaceable relative to a cylinder wall (14, 15) to operate an associated device. The cylinder wall has an axially fixed portion (14) and a telescoping axially moveable portion (15), th...
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WO/1997/038246A1 |
During the operation of a construction machine, the abrasion of a gear clutch is measured to grasp the abrasion, whereby it is possible to predict the clutch disc replacement time, and detect an abnormally worn clutch disc. Accordingly, ...
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WO/1997/037148A1 |
An hydraulic actuator comprises a piston (13) slidable within a bore (14) to define a working chamber (12) on one side of the piston (13) which is pressurised via a chamber inlet (19) to axially displace the piston (13) along the bore (1...
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WO/1997/036114A1 |
A hydraulically actuated clutch includes (20) a pair of hydraulic cylinders (40) driving pistons (38) to selectively move a clutch bearing to bring the clutch into and out of engagement. In standard clutches, a feature known as a clutch ...
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WO/1997/036115A1 |
A hydraulically actuated clutch (20) includes a pair of hydraulic cylinder housings (24) formed as blocks bolted to the clutch housing. In a most preferred embodiment, the hydraulic cylinder housing (37) extends into an opening in the si...
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WO/1997/033108A1 |
A disconnecting device for a motor vehicle friction clutch has a pressure housing (2) concentrically arranged to a gear box input shaft (3) and secured on a gear box housing (4). A guiding sleeve (6) radially spaced apart from the gear b...
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WO/1997/033097A1 |
A hydraulically controlled disconnecting system for a motor vehicle friction clutch is designed as a slave cylinder with a pressure housing (2) concentrically arranged to a gear box input shaft (3). A guiding sleeve is arranged in the sl...
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WO/1997/030296A2 |
A control for a heavy vehicle clutch wherein control members are moved rearwardly away from an engine (21) to disengage a clutch (24) from an engine (21) and engage a clutch brake disc (44). A pair of co-acting multiple actuators (34) ar...
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WO/1997/015759A1 |
The invention relates to a transmission including a two-part clutch arrangement (13) having one clutch part (8, 16) connected to a driven input shaft (7) of a working machine, for instance a screw compressor, which input shaft is rotatab...
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WO/1997/013080A1 |
A transmission gear train (10) has a clutch (28) designed to minimize shift shock upon engagement while still exhibiting relatively rapid initial engagement. To this end, a face cavity (144) is formed in the clutch actuating piston (106)...
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WO/1997/012159A1 |
A clutch transmitting rotating motion installed about a rotatory shaft (1), or a shaft (1b) rotatable by means of the clutch and having as power transmitting faces ring flanges (20), or similar means, among which at least the other count...
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WO/1997/004245A1 |
A devive for transmitting torque between two rotatable, coaxial shaft members (1, 2) in a stationary housing (3, 4) contains a number of alternate clutch discs (12, 14), connected to the shaft members and engageable to counteract differe...
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WO/1997/001715A1 |
The invention concerns a hydraulically operated disengagement device (1) for a vehicle friction clutch for selectively separating and connecting two shafts. The device comprises a pressure housing (3) mounted on a gearbox case (9) and fi...
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WO/1997/001716A1 |
The invention concerns a hydraulic disengaging device (16) for a vehicle friction clutch. The proposed unit comprises a housing (2b) in whose central recess (4) a guide tube (6b) is inserted so as to leave a radial gap between it and an ...
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WO/1997/001469A1 |
The invention concerns a master cylinder for a vehicle hydraulic clutch- or brake-operating system. The cylinder is linked to a foot-operated pedal via a piston rod and comprises a housing in which a piston can slide longitudinally so as...
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WO/1996/037713A1 |
The invention concerns a motor vehicle clutch release unit (1) comprising a housing (2) which is disposed about a drive shaft or the like and in which is guided an annular piston (6) at one end of which is disposed a release bearing (7) ...
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WO/1996/030667A1 |
A rotational control apparatus (A) having a rotatable input (26 or 180) and output (26 or 180) with respective interface discs (106, 180). Three sets of two diametrically opposed pistons (64 and 66, 68 and 70, 72 and 74) are controllable...
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WO/1996/028667A1 |
A hydraulic clutch control device comprises a clutch fork (25), an operating member (8) for applying a traction onto the clutch fork (25), a hydraulic receiving unit (1) having a fixed cylinder (2) mounted on a support plate (5) and a pi...
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WO/1996/027081A1 |
In a power transmission or generation apparatus having a source of heated pressurized air, the problem of achieving rapid controlled engagement of a hydraulically actuated clutch at low ambient temperatures is solved by utilizing a porti...
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WO/1996/024782A1 |
A clutch release bearing comprising a fixed portion (5, 6) including an outer body (5) and an inner support tube (6) concentric therewith and separate therefrom, and defining an axially extending blind ring-shaped cavity (50) capable of ...
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WO/1996/024781A1 |
A clutch release bearing comprising a fixed portion (5, 6) including an inner support tube (6) and an outer body (5) concentric therewith which define an axially extending blind ring-shaped cavity (50) capable of being supplied with a fl...
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WO/1996/023144A1 |
A coupling device such as a clutch including first hardened steel discs (22) with teeth (25) for rotationally engaging a first clutch member, said first discs being alternated with second discs (19) with teeth (15) for rotationally engag...
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WO/1996/021117A1 |
An actuator, particularly for the operation of a vehicle clutch in which an annular piston (10) slides between cylinder walls (11, 12) to define an annular working chamber (20). A sealing means (15) seals the piston to the cylinder walls...
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WO/1996/020353A1 |
A clutch unit capable of automatically disconnecting an input source from an output source by a mechanical structure when the input source is stopped. The clutch unit is provided with an inner rotary member (1), an outer rotary member (2...
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WO/1996/018517A1 |
Pressure medium actuated control cylinder with wear compensation, for example a clutch control cylinder, in the cylinder chamber of which two pistons (6, 11) are displaceable. One piston (6) has a first piston rod (7) which extends outsi...
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WO/1996/006293A1 |
The planet gear (9) connected to the input shaft (2a) and a planet carrier (13) connected to the output shaft (18) can be coupled by a clutch (18) operated in clamping by fly-weights (29) and a spring (34) to bring about direct engagemen...
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WO/1996/003593A1 |
A fluid actuated clutch assembly (10) includes a coil spring (28) which is manufactured from a substantially rectangular cross section wire. Both ends of the spring (28) are manufactured with open and ground ends (70) to ensure that the ...
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WO/1995/035452A1 |
The invention relates to a control device comprising an electric motor (11) which, through a transmission (10) acts on the piston (13) of a cylinder (14), spring means (15) which act on a member (16) of the transmission (12), and compens...
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WO/1995/034767A1 |
A clutch has two disks (3, 4) rotationally mounted on a shaft (1) with an intermediate wedge-shaped annular groove therebetween. At least one of the disks may be axially moved by means of a preferably hydraulic switching drive (15). Wedg...
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WO/1995/030840A1 |
The proposal is for a clutch arrangement consisting of at least one first clutch (4) and at least a second clutch (5). The first clutch (4) is arranged radially around the second clutch (5). Both clutches have balancing chambers (19, 20).
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WO/1995/026472A1 |
An actuation system particularly for a vehicle clutch, in which a source of pressurised fluid is interconnected with a slave cylinder (11) via a displacement means (12). The displacement means (12) includes a component which is displaced...
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WO/1995/025230A1 |
In a multi-disk clutch or brake, the disks are separated by a spacer (3). The spacer (3) is elastic and made of a single piece.
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WO/1995/025028A2 |
An hydraulic actuating system in which a master cylinder (10) is interconnected with a slave cylinder (11) via conduit means (12) and each cylinder has a piston (16, 53) which is axially displaceable in sealed sliding contact with an ass...
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WO/1995/023931A1 |
A hydraulic coupling (32) includes a control valve (80) that controls pumping from a casing inlet port (58) by a hydraulic pump (48) through a casing outlet port (78) to control operation of a clutch (68) for coupling between two rotary ...
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WO/1995/023281A2 |
Rotational control apparatus in the preferred forms of fan clutches (A, A') are shown including an eddy current drive (224). Specifically, the eddy current drive (224) includes a plurality of permanent magnets (226) mounted circumferenti...
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WO/1995/022705A1 |
The invention relates to a power shiftable two-speed gear in the form of a planet gear (3). The two ratios can be hydraulically shifted via two friction clutches (9 and 10). At least one of the friction clutches (9 or 10) is fitted with ...
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WO/1995/022014A1 |
A clutch control system for the automatic control of a motor vehicle clutch which connects an engine with a gearbox under the control of a driver operated gear ratio selector lever. The control system controls both initial clutch take-up...
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WO/1995/020730A1 |
A two-speed planetary transmission is shown with ring gear (19) and clutching brake (16) actuated by a piston (20) slidable on an intermediate member (35) with return spring (28). A clutch (47) connects the sun gear (51) to the carrier (...
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WO/1995/018314A1 |
On a slave cylinder operated clutch the slave cylinder (10) is provided with an arrangement for warning when clutch linings are worn. The arrangement incorporates a valve (21) on the inlet line (9) to the slave cylinder. The valve has a ...
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WO/1995/018313A1 |
On a slave cylinder operated clutch the slave cylinder (10) is provided with an arrangement for warning when clutch linings are worn. The arrangement incorporates a valve (21) on the inlet line (9) to the slave cylinder. The valve has a ...
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