Abstract: A sealed clutch and a clutch plate, the sealed clutch including a spline connector for connecting the sealed clutch by splined connection to a transmission shaft of an automotive transmission. The spline connector comprising a connector housing and a spline ring. The spline ring including an opening having a spline configuration for cooperating with a splined portion of a transmission shaft. The connector housing being secured within the sealed clutch and the spline ring being removably connectable to the connector housing to enable the spline ring to be removed and replaced with a different spline ring for cooperating with a splined portion of a different transmission shaft. The clutch plate has a pair of drive plates having a coaxially aligned openings and a spline connector mounted between them.

Abstract: In a clutch device in which a diaphragm spring presses a pressure plate to have a friction disc pressed against a rotating part, a clutch device with which a half clutch condition is easily retained is provided. The clutch device comprises: a diaphragm spring comprising a plurality of plate springs arranged along a circumference having a rotation axis as a center wherein end portions thereof projecting toward the rotation axis constitute free ends; a pressure plate to cause the friction disc to be pressed against the rotating part by being biased by the diaphragm spring; and a release device to disconnect power from the rotating part to the friction disc by reducing bias force applied by the diaphragm spring to the pressure plate as the diaphragm spring is deformed by displacing free end portion side of the plate spring in one direction along the rotation axis.

Abstract: A clutch assembly, including: a hub including a first radially disposed portion with a plurality of circumferentially aligned slots passing though the first radially disposed portion; and a ring gear carrier including a plurality of protrusions disposed in the plurality of circumferentially aligned slots and in compressive engagement with the hub to fixedly connect the hub to the carrier. Each slot in the plurality of circumferentially aligned slots extends further in a circumferential direction than in a radial direction. Each protrusion in the plurality of protrusions extends further in the circumferential direction than in the radial direction.

Abstract: A plate carrier for a multi-plate clutch comprises: an annular member with a first circumferential face and a second circumferential face; a toothing in the first circumferential face of the annular member, having circumferentially distributed teeth and gaps; at least one groove in the second circumferential face of the annular member, wherein the groove extends over a circumferential portion of the annular member, wherein the groove and the toothing intersect one another, so that radial apertures are formed in the regions of intersection between the groove and the tooth gaps. A multi-plate clutch can be provided with such a plate carrier.

Abstract: A system (10) for coupling a drive shaft (12) of a motor vehicle and a coaxial transmission shaft (14A, 14B) is disclosed. The coupling includes a front friction clutch device (22) which comprises a rotary drive assembly (40) comprising a reaction plate (24). The coupling further includes a rear flywheel (20) coaxial to the drive assembly (40), which flywheel is designed to be connected in rotation to the drive shaft (12). The coupling further includes an element (54, 56) for connection in rotation of the flywheel (20) and the drive assembly (40) of the clutch device (22), which includes a first, male element (54) and a second, female element (56) which are designed to be fitted axially in a sliding manner.

Abstract: A composite, i.e., two element, two material clutch hub includes an inner sleeve of a heavy, high strength material to and about which is cast an outer element of a lighter, lower strength material. The sleeve typically includes a splined opening that is received on one or two complementarily splined shafts and a plurality of radially oriented pins or lugs or a discontinuous flange about which the outer element is cast. The outer element is splined to the friction plate of a clutch or other component. The high strength material is preferably, though not necessarily, steel and the lighter material is preferably, though not necessarily, an aluminum alloy. Alternatively, the sleeve may be a high strength aluminum alloy such as a metal matrix composite (MMC) and the outer element may be a lower strength, different aluminum alloy.

Abstract: An apparatus for transferring torque from a crankshaft to a dual input transmission includes: a flywheel connected at one end to the crankshaft and at the opposite end to a torque transmitting device or dual clutch. The flywheel has a first coupling member that is configured to engage a second coupling member attached to a center plate of the dual clutch. The first coupling member is fixedly secured to the second coupling member by a fastening means. A dual clutch actuation device generates the axial compression force required to compress a first and second set of frictional elements of a dual clutch.

Abstract: A rotationally fixed connection of first and second components (2, 4) of a transmission (1) for torque transfer. The fixed connection is produced by the combination of two different types of connection elements (6, 7, 8, 9), such that the connection elements (6, 8) of a first type ensures the mutual centering of the first and the second components (2, 4) to be connected and torque transfer, while the connection elements (7, 9) of a second type enable the first and the second components (2, 4) to be axially fixed and transfer axial operating forces.

Abstract: A clutch device comprises an engine-side input hub (6) including a driver disk (10) and a cutout (70), a transmission-side output hub (46) adapted to be indirectly coupled to the engine-side input hub (6), a fastener (68) for axially fixing the transmission-side output hub (46) to a transmission shaft (60) and adapted to be accessed for actuation through the cutout (70) after the engine-side input hub is indirectly coupled to the transmission-side output hub, and a cup-shaped stopper (72) for opening and closing the cutout (70) and, in an installed state, has a guide section (108) that projects in an axial direction out of the cutout (70) and can be supported in an end-side depression (110) of an engine output shaft (5).

Abstract: A clutch having a pressure plate (1) and a counter plate (16) is provided, with the pressure plate being displaceable by a clutch actuating mechanism such that a clutch disk can be clamped between the pressure plate and counter plate. The pressure plate is a multi-piece pressure plate having a central body (1) which includes a friction surface and on which at least one connecting element (5) is located, which protrudes beyond the friction surface and is connected to the clutch actuating mechanism for burst optimization and cost savings purposes.

Abstract: A device for transmitting torque between a flywheel rotatably connected to an engine and a dual clutch transmission. The device includes a first substantially u-shaped member fixed to a perimeter of a dual clutch of the dual clutch transmission. The first substantially u-shaped member defines a slot having an open end. The second substantially u-shaped member is attached to a perimeter of the flywheel. The second substantially u-shaped member includes a support member for supporting an engagement member. The first substantially u-shaped member fits at least partially within the second substantially u-shaped member. The pair of bushings disposed proximate the engagement member between the first and second coupling members.

Abstract: A system (10) for coupling a drive shaft (12) of a motor vehicle and a coaxial transmission shaft (14A, 14B) is disclosed. The coupling includes a front friction clutch device (22) which comprises a rotary drive assembly (40) comprising a reaction plate (24). The coupling further includes a rear flywheel (20) coaxial to the drive assembly (40), which flywheel is designed to be connected in rotation to the drive shaft (12). The coupling further includes an element (54, 56) for connection in rotation of the flywheel (20) and the drive assembly (40) of the clutch device (22), which includes a first, male element (54) and a second, female element (56) which are designed to be fitted axially in a sliding manner.

Abstract: A seeding machine having a plurality of seed meters receiving rotary input from a common input shaft. First and second gearboxes respectively connect the common rotary input to individual seed meters. A flexible drive extends from the gearbox adjacent the common rotary input to the seed meters. Spring clutches, normally connected, are electrically actuated to disengage the drive to the individual seed meters. The clutches may be integrated in the gearbox adjacent the rotary drive or the gear box for the individual seed meters.

Abstract: The invention relates to a power transmission unit, in particular a multiple disk clutch or friction brake, in which a disk carrier that has at least one disk, which has external teeth and is fastened to it in a non-rotating fashion, which disk carrier, in a cylinder section and oriented toward the disk, has axial grooves and axial ribs distributed over the circumference in alternating fashion and is connected to a hub on one side by means of a drive plate spaced axially apart from the disks; a non-rotatable connection between the drive plate and the disk carrier is produced by means of plug-in teeth in order to transmit a torque. The object of the invention is to propose a power transmission unit (1) in which the axial space is reduced.

Abstract: A disk carrier assembly for a multi-disk clutch includes a drive plate having a plurality of radially extending load teeth and a plurality of radially extending bearing teeth alternately disposed about the circumference of the drive plate. A disk carrier is included that has an axially cylinder segment with a plurality of axial protrusions that extend radially inward and are alternately disposed about the segment with plurality of axial grooves that extend radially outward. The axial grooves are adapted to radially retain a plurality of clutch disks while allowing operative axial movement. The plurality of axial protrusions further include a plurality of axial load protrusions alternately disposed between a plurality of axial bearing protrusions, each of the axial load protrusion have a load tooth cutout formed on its axial end and each of the axial bearing protrusion have an elongated area with an annular retaining groove.

Abstract: A rotary driving insertion connection, particularly for transmitting torque in a drivetrain of a motor vehicle between components or units of the drivetrain which are connected or are to be brought into a connection for transmitting torque, comprises a primary-side coupling area at a first component and a secondary-side coupling area at a second component. One of the coupling areas has a cutout which is defined by an inner circumference or at least an inner circumferential portion, and the other coupling area has at least one projecting portion having an outer circumference or at least an outer circumferential portion which is inserted or can be inserted into the cutout axially with reference to an axis of rotation in order to provide a positive rotary driving engagement between the inner circumference and the outer circumference. A plurality of coupling elements producing the positive rotary driving engagement is provided between the inner circumference and the outer circumference.

Abstract: A dual clutch includes a first clutch area with a housing arrangement connected to an abutment plate; a first pressure plate arrangement; and a force-exerting arrangement, which is supported against the housing arrangement and the pressure plate arrangement, and which can press the pressure plate arrangement toward the abutment plate. A second clutch area includes second pressure plate arrangement and a force-transmitting arrangement, which extends axially across the abutment plate and can exert force on the second pressure plate arrangement. The housing arrangement and the abutment plate are connected to each other by the production of a press fit, and a first force-transmitting element and a second force-transmitting element of the force-transmitting arrangement are also connected to each other by the production of a press fit.

Abstract: A motor vehicle drive train with a clutch device installed between a drive unit and a transmission having at least one transmission input shaft to transmit torque between the drive unit and the transmission. The clutch device comprises at least one clutch arrangement assigned to a respective transmission input shaft, where an input side of the clutch device is connected directly or indirectly by way of a torque-transmitting arrangement to a connecting end of a power takeoff shaft of the drive unit.

Abstract: A dual clutch includes a first clutch area with a housing arrangement connected to an abutment plate; a first pressure plate arrangement; and a force-exerting arrangement, which is supported against the housing arrangement and the pressure plate arrangement, and which can press the pressure plate arrangement toward the abutment plate. A second clutch area includes second pressure plate arrangement and a force-transmitting arrangement, which extends axially across the abutment plate and can exert force on the second pressure plate arrangement. The housing arrangement and the abutment plate are connected to each other by the production of a press fit, and a first force-transmitting element and a second force-transmitting element of the force-transmitting arrangement are also connected to each other by the production of a press fit.

Abstract: A shaft-hub-connection has a shaft with an external face portion seating in a first bore portion (6) of the hub (3). A tensioning screw (19) is provided with a head which is supported on a support disk (11). The disk is non-movably held in an axial direction on the hub (3), in the tensioned condition where the threaded shank (22) sits in the threaded bore (18) of the shaft (14). A nut (23) is between the support disk (11) and the shaft (14). The nut (23) is on the threaded shaft (22). This nut (23) is non-movably retained on the shank. When actuating the tensioning screw (19) in a disconnecting direction the nut (23) abuts the support disk (11), so that the hub (3) and the shaft (14) move away from each other and become separated.

Abstract: A rotary driving insertion connection, particularly for transmitting torque in a drivetrain of a motor vehicle between components or units of the drivetrain which are connected or are to be brought into a connection for transmitting torque, comprises a primary-side coupling area at a first component and a secondary-side coupling area at a second component. One of the coupling areas has a cutout which is defined by an inner circumference or at least an inner circumferential portion, and the other coupling area has at least one projecting portion having an outer circumference or at least an outer circumferential portion which is inserted or can be inserted into the cutout axially with reference to an axis of rotation in order to provide a positive rotary driving engagement between the inner circumference and the outer circumference. A plurality of coupling elements producing the positive rotary driving engagement is provided between the inner circumference and the outer circumference.

Abstract: A clutch disk comprises a hub area designed for nonrotatable connection to a shaft and at least one friction lining element supported on a support area arranged radially outside the hub areas. A circumferential support surface for circumferential support of each friction lining element is provided on the support area at each circumferential end of each friction lining element.

Abstract: A clutch disk arrangement for a multi-disk clutch includes a hub element connectable to a shaft for rotation with the shaft about an axis of rotation. A carrier arrangement has a first carrier element and a second carrier element. The first carrier element is connected to the hub so that the first carrier element rotates with the hub. The second carrier element is connected to the first carrier element such that it is foxed with respect to rotation and axially movable relative to the first carrier element. The clutch disk arrangement further comprises at least two friction lining units. On of the friction lining units is firmly connected to the first carrier element and a second one of the friction elements is firmly connected to the second carrier element. Accordingly, the friction lining units are fixed with respect to rotation and axially movable relative to the hub element via the carrier arrangement.

Abstract: The invention relates to a shaft-hub-connection with a shaft having an external face portion seating in a first bore portion (6) of the hub (3). A tensioning screw (19) is provided with a head which is supported on a support disk (11). The disk is non-movably held in an axial direction on the hub (3), in the tensioned condition where the threaded shank (22) sits in the threaded bore (18) of the shaft (14). A nut (23) is between the support disk (11) and the shaft (14). The nut (23) is on the threaded shaft (22). This nut (23) is non-movably retained on the shank. When actuating the tensioning screw (19) in a disconnecting direction the nut (23) abuts the support diskk (11), so that the hub (3) and the shaft (14) move away from each other and become separated.

Abstract: A pressure plate housing for a clutch of a motor vehicle includes a housing cover and a housing wall integrally produced from sheet metal. Sleeves are arranged in the housing wall that have recesses designed for receiving connecting elements. The pressure plate housing has particularly small radial dimensions and can be produced very cost-effectively.

Abstract: A coupling device having a drive-side centrifugal mass, which is actively connected in rotation-proof fashion to a driving gear that acts on the drive train. On the centrifugal mass, there is an accommodating fixture that faces the driving gear and is equipped with a tooth system. The driving gear has an axial shoulder that, on its end facing the accommodating fixture, is also embodied with a tooth system. At least one tooth of the tooth system of the driving gear is pressed, under radial prestress, into the space between two teeth of the tooth system of the accommodating fixture.

Abstract: A flywheel assembly 1 includes a flywheel 2, a flexible plate 3 and a dynamic damper 4 to reduce the noise of an engine during acceleration of the speed of the engine. The flexible plate 3 connects the flywheel 2 with a crankshaft 5 so as to be able to oscillate in a bending direction. The dynamic damper 4 includes a mass body 13, and a plate 14 which connects the mass body 13 with the flywheel 2 so as to be able to oscillate in a bending direction.

Abstract: A rotating clutch assembly has an apply piston, a backing plate, drivingly connected with a rotatable shaft, and a plurality of friction plates spaced between the piston and the backing plate. The backing plate is limited in axial movement along the shaft by a pair of locating rings. One ring is secured in a groove on the shaft and the other is secured in a groove on the backing plate. The backing plate has a axially extending wall that overlaps the one ring to prevent centrifugal escape from the groove. During assembly, the backing plate and friction plates are urged in an axial direction against the piston to provide sufficient space to install the one locating ring; and then the backing plate is urged in the other axial direction to provide space to install the other locating ring.