Abstract: A generator for comprising a rotor, an inner shaft, an outer shaft, and an actuation means. The inner shaft is at least partially disposed inside the outer shaft. The inner shaft is coupled to the outer shaft by means of a translatable drive connection. The actuation means is configured to actuate the second shaft towards a retracted position. The translatable drive connection is configured to allow a transfer of torque between the first and second shafts, and enables movement of the second shaft, relative to the first shaft, along its axis of rotation from an extended position to a retracted position, such that an input portion of the second shaft can be at least partially retracted in a retraction direction towards the rotor upon activation of the actuation mechanism. A disconnect mechanism disposed on the second shaft can therefore be disconnected upon retraction of the second shaft.

Abstract: A synchronizing device for a transmission has a sliding sleeve comprising an internal toothing with a plurality of sliding sleeve teeth and a clutch body of a gear wheel, comprising n external toothing with a plurality of clutch body teeth formed without meshing bevel at their axial tooth end close to the sliding teeth, into which the internal toothing of the sliding sleeve can engage. A synchronizing unit is provided which can block axial movement of the sliding sleeve, until the speeds of the sliding sleeve and clutch body are adapted. During operation, an axial force of the sliding sleeve against the clutch body is built up and a speed difference between the sliding sleeve and the clutch body is produced, so that the end faces of the sliding sleeve teeth and the clutch body teeth slide along each other, and the sliding sleeve teeth finally are meshed between the clutch body teeth.

Abstract: A disconnecting differential assembly includes a first dog, a second dog, and an actuator. The first dog can include first engagement features fixedly coupled to a first side gear and disposed within the differential case. The second dog can include second engagement features and an annular body. The second engagement features can be radially outward of the annular body and fixedly coupled thereto. The annular body and second engagement features can be disposed within the differential case. The second dog can be rotatable relative to the differential case and the actuator can axially move the second dog between a first position wherein the first and second engagement features are disengaged, and a second position wherein the first and second engagement features are engaged to selectively non-rotatably couple the first and second dogs. The annular body can be adapted to be non-rotatably coupled to an output shaft.

Abstract: The invention relates to a synchroniser ring (1) for a synchronisation device (2) of a shiftable change speed gear transmission including a conical ring member (3) having an inner friction surface (4) and an outer installation surface (5) which each bound the ring member (3) in a radial peripheral direction and extend conically around an axial synchroniser ring axis (6) of the synchroniser ring at a predeterminable friction angle (?). The ring member (3) is bounded in the axial direction at a largest conical diameter (d1) by a gear surface (7) with a gear (71) extending substantially perpendicular to the synchroniser ring axis (6) and is bounded at a smallest conical diameter (d2) by a hub surface (8). To fix the synchroniser ring in a cylindrical hollow space (9) of a synchroniser ring hub (10), a security against rotation (11) is provided which is integrally connected to the ring member (3) and extends from the gear surface (7) of the ring body (3) in the direction toward the hub surface (8).

Abstract: A dog clutch, includes a first ring secured to an overrunning brake rotatable race, including first teeth, a first disc, the second ring angularly displaceable relative to the discs, a non-rotating, axially displaceable second ring including second teeth engageable with the first teeth and a second disc engageable with the first disc, a first spring urging the discs into mutual contact, and a second spring urging the first and second rings apart.

Abstract: A synchronizing device for a transmission may include a clutch hub splined on a rotation shaft, a sleeve engaged to an external circumferential portion of the clutch hub by interposing a blocking key therebetween, the sleeve being movable axially, a clutch gear having a cone surface and disposed at both sides of the sleeve without an interference with the rotation shaft, and a blocker ring disposed between the clutch hub and the clutch gear and frictionally engaged to the cone surface of the clutch gear, wherein the blocker ring includes a servo load exerted portion and a key load exerted portion disposed alternately in a circumferential direction of the blocker ring and respectively having a key contacting surface, and the key contacting surface of the servo load exerted portion may be disposed axially apart from the key contacting surface of the key load exerted portion by a predetermined distance.

Abstract: An assembly unit for synchronizing a manual gearbox, includes first and second synchronizing rings connected to each other, wherein the two synchronizing rings are connected to each other by a positive-locking connection.

Abstract: A selectable mass flywheel assembly for a powertrain of a motor vehicle includes a first mass and a second mass. The first mass is connected to a crankshaft of an engine and the second mass engages with a clutch to transfer torque from the engine to a transmission. The two masses are rotationally coupled to each other with a spring and damper assembly. The flywheel assembly further includes a locking mechanism that engages both masses during the startup of the engine to lock the two masses together to minimize the vibrations and pulsations in the powertrain during startup of the engine.

Abstract: A synchronizer assembly includes a synchronizer sleeve that engages a first gearwheel of the transmission. The synchronizer sleeve and the first gearwheel are rotatable about a shaft, and the synchronizer sleeve is axially moveable along the shaft. The synchronizer assembly further includes a synchronizer ring that contacts a second gearwheel of the transmission to selectively engage the synchronizer sleeve. The synchronizer ring includes a synchronizer spring that selectively abuts the second gearwheel to push the synchronizer ring against the synchronizer sleeve, and a plurality of lugs that engage the second gearwheel. The synchronizer spring is retained on the plurality of lugs.

Abstract: The present invention provides a synchronizer sleeve and a manufacturing method thereof. The synchronizer sleeve is formed by powder metallurgy using a powder mixture having iron as a main ingredient, 0.2 to 0.3 wt % of carbon, 0.5 to 4.0 wt % of nickel, 0.2 to 2.0 wt % of molybdenum and other indispensable impurities.

Abstract: A synchronizing device for a transmission may include a clutch hub splined on a rotation shaft, a sleeve engaged to an external circumferential portion of the clutch hub by interposing a blocking key therebetween, the sleeve being movable axially, a clutch gear having a cone surface and disposed at both sides of the sleeve without an interference with the rotation shaft, and a blocker ring disposed between the clutch hub and the clutch gear and frictionally engaged to the cone surface of the clutch gear, wherein the blocker ring includes a servo load exerted portion and a key load exerted portion disposed alternately in a circumferential direction of the blocker ring and respectively having a key contacting surface, and the key contacting surface of the servo load exerted portion may be disposed axially apart from the key contacting surface of the key load exerted portion by a predetermined distance.

Abstract: A ring of a synchronizing device of a vehicle transmission includes a friction surface that interacts with a friction surface of another ring of the synchronizing device and at least one slide surface configured to slidably seat on an abutment surface of the synchronizing device. At least one curved groove is cut into the at least one slide surface by a whirling milling operation.

Abstract: A synchronizer sleeve for use in a transmission and method of making is disclosed herein. The synchronizer sleeve having: a plurality of gear teeth integrally formed on the inner diameter of the ring member, wherein the distal ends of the plurality of gear teeth extend from the inner diameter and comprise a portion of at least one of a pair of sides; wherein each of the distal ends of the plurality of gear teeth have a top portion, a bottom portion and a pair of opposing sides extending between the top portion and the bottom portion and each distal end is separated from each other by a recess located between each one of the pair of opposing sides; wherein no recess is formed adjacent to the top portion of the plurality of gear teeth; and wherein no secondary processing steps are required to reshape the synchronizer sleeve.

Abstract: A transmission synchronizer assembly is provided that alleviates noise associated with functional clearances and backlashes. A synchronizer ring is provided that has a periphery with at least one tab extending at least partially radially at the periphery. An annular hub has at least one recess configured to receive the at least one tab to axially align the synchronizer ring with the hub. The recess and the tab define a clearance when the tab is received in the recess. A damping material is provided in the clearance such that the damping material contacts the annular hub when the synchronizer is moved about the axis of rotation relative to the annular hub. Such movement may occur during engagement of an annular sleeve with a gear whose speed is synchronized with the sleeve by the synchronizer ring.

Abstract: A synchronizer device (100) for a manual transmission which comprises a synchronizer hub (1) and at least one synchronizer ring (2) which can be fixed relative to one another in the circumferential direction by indexing (3). The indexing (3) is formed by at least one projection (4) disposed on the synchronizer ring (2) and which extends substantially in the axial direction and engages in at least one recess (5) of the synchronizer hub (1). The recess (5) on the synchronizer hub (1) comprises at least one oblique surface section (6; 7) on which the projection (4) rests, in a sliding manner, when the synchronizer ring (2) rotates relative to the synchronizer hub (1).

Abstract: A clutch sleeve is provided for a shift clutch having a synchronizing device, which includes, but is not limited to a clutch body, which is connected in a rotationally-fixed manner to a gear wheel mounted so it is rotatable on a shaft and has coupling teeth and a friction cone as well as a synchronizing ring having a counter cone and blocking teeth, and which has shift teeth, the clutch sleeve having shift teeth, which are designed in such a manner that a first group of the shift teeth cooperates with the blocking teeth until a synchronized speed is reached and a second group of the shift teeth engages in the coupling teeth after the synchronized speed is reached.

Abstract: A sleeve has splines formed with a groove, a high-speed-stage slanting surface and a turn-off slanting surface. A synchronizer ring has splines and first projecting portions. Lever members are arranged among the sleeve, the hub and the synchronizer ring to transmit pushing force from the sleeve to the synchronizer ring. The synchronizer ring is pushed against a speed gear to generate frictional torque, being pushed by the lever members pressed by a high-speed-stage slanting surface. The lever members turn over and transmit pushing force applied from a turn-over slanting surface to the synchronizer ring as to press a frictional surface against a cone surface to synchronize them when the sleeve moves in a direction opposite to the speed gear. A diameter of the first inner diameter portion is set larger than that of the second inner diameter portion.

Abstract: A coupling device and a coupling mechanism is provided for selectively coupling of an electric drive to a wheel axle of a vehicle. The coupling device includes, but is not limited to an output gear connected to the wheel axle, an input gear connected to the electric motor. A synchronizer is adapted to contactlessly minimize a difference of the input gear's and the output gear's angular velocity below a predefined threshold, and a synchronizing member is adapted to frictionally engage with the input gear and/or with the output gear when the difference in angular velocity of input gear and output gear is below the predefined threshold.

Abstract: The synchronizer comprises: a hub, an actuating sleeve, two synchronizing rings each having a conical surface, two inner rings each having a conical surface, two intermediate rings each having a first radially outer conical surface arranged to be brought into contact with the conical surface of the associated synchronizing ring and a second radially inner conical surface arranged to be brought into contact with the conical surface of the associated inner ring, two engagement ring gears intended to be torsionally coupled each to a respective idle gearwheel. According to the invention, the synchronizer further comprises two spacer rings which are each interposed between the respective engagement ring gear and the respective inner ring and each free to rotate relative to these two components so as to prevent the respective opposite axial surfaces from coming into contact with each other.

Abstract: The invention relates to a gear shifting point (10) for producing a rotationally fixed connection between a toothed wheel (16, 18) and a shaft (12). Said gear shifting point (10) comprises a shaft (12), a sliding sleeve (24) and at least one toothed wheel (16, 18). The toothed wheel (16, 18) is mounted rotationally with respect to the shaft (12). The sliding sleeve (24) is mounted on the shaft (12) in such a way that it is not rotatable therewith. The toothed wheel (16, 18) and the sliding sleeve (24) are embodied in such a way that a rotationally fixed connection can be produced therebetween in the coupled state of the gear shifting point (10) and no connection can be produced between the toothed wheel (16, 18) and the sliding sleeve (24) in the neutral state of the gear shifting point (10).

Abstract: A strut-type synchronizer for coupling a gear to a rotating shaft includes a hub rotating with the shaft, a clutch ring rotatable with the gear, and a friction ring disposed between the hub and the clutch ring. The hub supports several struts for relative axial movement, as urged by an encircling splined sleeve through a detent, into engagement with the friction ring. The friction ring, which does not itself directly engage the sleeve, has a friction surface that is thus urged by the struts into engagement with a complementary friction surface of the clutch ring, whereupon relative rotation between the friction ring and the clutch ring ceases, the detent is overcome, and the sleeve's spline teeth engage complementary spline teeth on the clutch ring to fully engage the synchronizer. The friction surfaces include two axially-spaced frustoconical portions, by which an increased cone torque is achieved during synchronization.

Abstract: A transmission is provided having an input member, an output member, a dual clutch assembly, two countershaft gearing arrangements, one planetary gear set, a plurality of interconnecting members, and a plurality of torque transmitting devices. Each of the countershaft gearing arrangements includes a plurality of co-planar gear sets. The torque transmitting devices include a combination of clutches, brakes, and synchronizers.

Abstract: [Object] To provide a clutch apparatus that can smoothly switch from a clutch engaged state to a clutch non-engaged state, while tooth jump does not occur even with a small-sized clutch apparatus. [Solving Means] A recessed portion 153 is provided in a cam face of a cam 45. A cam shaft 13 is configured to pivot by a predetermined amount as a cam follower 51 is fitted in the recessed portion, and, when the cam initiates to engage the cam follower, it enters a clutch engaged state. A driven side gear 99 is pivoted by a predetermined amount as the cam follower is fitted in the recessed portion and, thereby, a clutch member 93 is rotated by a predetermined amount in a direction in which a toothed portion 94 is spaced apart from a drive side gear 92.

Abstract: [Object] To provide a clutch apparatus that is able to prevent a trigger lever from returning before a toothed portion of a clutch member engages a ratchet wheel and may be reduced in size. [Solving Means] A clutch member 93, a lever member 115 that switches from a clutch engaged state to a non-engaged state and a lever pivot gear 111 are provided. An engaging projecting portion 100 is partially formed on the lever pivot gear in a circumferential direction. An engaged projecting portion 129 that is engageable with the engaging projecting portion is partially formed around the lever shaft in a circumferential direction.

Abstract: A transmission control system for maintaining good positioning performance even if a dynamic characteristic of a transmission is out of a predicted range. A sliding mode controller provided in a shift controller has two degrees of freedom and can independently specify a follow-up characteristic of an actual shift arm position to follow a target position in a shifting direction and a disturbance suppressing characteristic respectively. The sliding mode controller determines a control input to be supplied to a shift motor of a shifting device. A sliding mode controller provided in a selection controller has two degrees of freedom and can independently specify a follow-up characteristic of an actual shift arm position to follow a target position in a selecting direction and a disturbance suppressing characteristic, respectively. This sliding mode controller determines a control input to be supplied to a selection motor of a selecting device.

Abstract: A strut-type synchronizer for coupling a gear to a rotating shaft includes a hub rotating with the shaft, a clutch ring rotatable with the gear, and a friction ring disposed between the hub and the clutch ring. The hub supports several struts for relative axial movement, as urged by an encircling splined sleeve through a detent, into engagement with the friction ring. The friction ring, which does not itself directly engage the sleeve, has a friction surface that is thus urged by the struts into engagement with a complementary friction surface of the clutch ring, whereupon relative rotation between the friction ring and the clutch ring ceases, the detent is overcome, and the sleeve's spline teeth engage complementary spline teeth on the clutch ring to fully engage the synchronizer. The friction surfaces include two axially-spaced frustoconical portions, by which an increased cone torque is achieved during synchronization.

Abstract: The object of the present invention is to provide a synchro-spring to be used in a synchronizing mechanism having insert-shifting keys. Said synchro-spring is characterized by shaping convex forms in the portions which come into contact with said insert-shifting keys, and when this synchronizing mechanism is used for an automobile transmission, an enough capacity of the synchronizer ring can be ensured without increasing the size of the synchronizing mechanism, and smooth gear shifting is attained, and then excellent operability can be acquired.