Abstract: In a method for controlling a clutch actuator for an automated manual transmission, when a driver's operation signal is input for operation of the clutch actuator, the hydraulic pressure of a hydraulic chamber of the clutch actuator forms pressure equilibrium with the atmospheric pressure through a pressure equilibrium control by standing by at a control-standby state before an actual stroke position of the clutch actuator enters a hydraulic pressure generation range from a hydraulic pressure release range. When the actual stroke position of the clutch actuator enters the hydraulic pressure generation range from the hydraulic pressure release range, the clutch actuator is moved to the predetermined stroke position by a predetermined operation speed, and then controlled to follow the driver's operation signal.

Abstract: A double clutch assembly includes: a center plate, first and second disks, first and second pressure plates, a connecting plate, a cover plate, a pulling cover, first and second diaphragm springs, and a guide plate. In particular, the pulling cover is formed with an engagement recess, an engagement slot is formed at the second diaphragm spring, and the guide plate includes a body, an exterior engagement end protruding toward the second diaphragm spring and inserted into the engagement slot and the engagement recess, an interior engagement end formed at an interior circumference of the body, and a fixing end inserted into an incision slit of the second diaphragm spring.

Abstract: A double clutch assembly includes: first and second pressure plates and first and second disks disposed at both sides of a center plate, a connecting plate to receive an engine torque, a cover plate disposed fixedly coupled with the center plate, a pulling cover transmitting a pressurizing force to the second pressure plate, a first diaphragm spring introducing an axial direction displacement to the first pressure plate, a second diaphragm spring introducing an axial direction displacement of the cover plate, a guide plate to guide the second diaphragm spring in an axial direction, and a pulling connector that is disposed between the connecting plate and the second pressure plate, connected to the pulling cover, moves integrally with the pulling cover along the axial direction, and forms a line-contact with the second pressure plate to transmit the pressurizing force.

Abstract: A double clutch assembly includes: a center plate, first and second disks, first and second pressure plates, a connecting plate, a cover plate, a pulling cover, first and second diaphragm springs, and a guide plate. In particular, the pulling cover is formed with an engagement recess, an engagement slot is formed at the second diaphragm spring, and the guide plate includes a body, an exterior engagement end protruding toward the second diaphragm spring and inserted into the engagement slot and the engagement recess, an interior engagement end formed at an interior circumference of the body, and a fixing end inserted into an incision slit of the second diaphragm spring.

Abstract: An apparatus for moving a shift rail of a transmission may include a control shaft provided to be moved in a direction perpendicular to a plurality of shift rails by an actuator, a plurality of rollers protruding from one selected among a corresponding one of the shift rails and the control shaft, the rollers being formed on one of facing sides of the shift rail and the control shaft, and a cam protruding in an S-shaped form from a remaining one selected among the corresponding shift rail and the control shaft, on which no roller is formed, the cam being provided to selectively move the shift rails in an axial direction by moving while coming into contact at opposite sides thereof with the rollers depending on a distance by which the control shaft is moved.

Abstract: An apparatus for moving a shift rail of a transmission may include a control shaft provided to be moved in a direction perpendicular to a plurality of shift rails by an actuator, a plurality of rollers protruding from one selected among a corresponding one of the shift rails and the control shaft, the rollers being formed on one of facing sides of the shift rail and the control shaft, and a cam protruding in an S-shaped form from a remaining one selected among the corresponding shift rail and the control shaft, on which no roller is formed, the cam being provided to selectively move the shift rails in an axial direction by moving while coming into contact at opposite sides thereof with the rollers depending on a distance by which the control shaft is moved.

Abstract: An apparatus for moving a shift rail of a transmission may include a control shaft provided to be moved in a direction perpendicular to a plurality of shift rails by an actuator, a plurality of rollers protruding from one selected among a corresponding one of the shift rails and the control shaft, the rollers being formed on one of facing sides of the shift rail and the control shaft, and a cam protruding in an S-shaped form from a remaining one selected among the corresponding shift rail and the control shaft, on which no roller is formed, the cam being provided to selectively move the shift rails in an axial direction by moving while coming into contact at opposite sides thereof with the rollers depending on a distance by which the control shaft is moved.

Abstract: A clutch actuator includes: a reduction gear to rotate in a housing by a motor; a connecting rod having a first end connected to the reduction gear; a pair of levers provided on a hinge shaft in the housing, and connected to a second end of the connecting rod to rotate according to a rotation of the reduction gear; a push rod contacting with a clutch actuator fork; and a wear compensating unit movably coupled between the levers in a vertical direction and provided with an inclined surface contacting a first cam. In particular, the push rod has one end extended outwardly of the housing and is coupled with the first cam of which one end is movably inserted into the first hole of the levers.

Abstract: A clutch actuator includes: a reduction gear to rotate in a housing by a motor; a connecting rod having a first end connected to the reduction gear; a pair of levers provided on a hinge shaft in the housing, and connected to a second end of the connecting rod to rotate according to a rotation of the reduction gear; a push rod contacting with a clutch actuator pork; and a wear compensating unit movably coupled between the levers in a vertical direction and provided with an inclined surface contacting a first cam. In particular, the push rod has one end extended outwardly of the housing and is coupled with the first cam of which one end is movably inserted into the first hole of the levers.

Abstract: An apparatus for moving a shift rail of a transmission may include a control shaft provided to be moved in a direction perpendicular to a plurality of shift rails by an actuator, a plurality of rollers protruding from one selected among a corresponding one of the shift rails and the control shaft, the rollers being formed on one of facing sides of the shift rail and the control shaft, and a cam protruding in an S-shaped form from a remaining one selected among the corresponding shift rail and the control shaft, on which no roller is formed, the cam being provided to selectively move the shift rails in an axial direction by moving while coming into contact at opposite sides thereof with the rollers depending on a distance by which the control shaft is moved.

Abstract: A double clutch system may include a connecting shaft that is continuously connected to a motor/generator and is selectively connected to an engine and may transmit torque transmitted to the connecting shaft selectively to two input shafts.

Abstract: Disclosed are methods and systems for preventing overheating of a clutch by means of forcible creeping. A method may include determining whether a vehicle is in a hill-hold mode, comparing an inclination of a slope where the vehicle is with a predetermined reference inclination, and leading a driver to depress a brake pedal by starting an uphill creeping mode, when the inclination of the slope is within a range where the vehicle is maintained in the hill-hold mode.

Abstract: A hybrid powertrain for a vehicle may include a first input shaft that may be connected with a first clutch and receives power from an engine, a second input shaft that may be connected with a second clutch and receives the power from the engine, an output shaft that may be aligned in parallel with the second input shaft and has a motor-driven gear of which a rotational force may be restricted, and a motor that has a motor-driving gear at an end of a motor shaft to be tooth-engaged with the motor-driven gear.

Abstract: A double clutch system may include a connecting shaft that is continuously connected to a motor/generator and is selectively connected to an engine and may transmit torque transmitted to the connecting shaft selectively to two input shafts.

Abstract: A clutch actuator for a vehicle includes a movable member connected to a power generating unit and configured to be linearly moved by power provided by the power generating unit, and a lever having a pivoting point at one end thereof and to which a release fork is connected at an opposite end thereof to provide a point of application, the lever being configured such that a location of the point of application is varied such that the lever is rotated about the pivoting point when a force point is pushed by the movable member and a length between the point of application and the force point is shortened when the lever is rotated about the pivoting point and a rotating force of the lever is improved as the release fork is moved toward the pivoting point.

Abstract: A hybrid power train for vehicles uses a double clutch transmission (DCT) to further improve the fuel efficiency of a vehicle, obtain a sporty transmission, and prevent the entire length thereof from being excessively lengthened, thereby sufficiently securing the ability of being mounted in a vehicle.

Abstract: A clutch actuator for a vehicle includes a movable member connected to a power generating unit and configured to be linearly moved by power provided by the power generating unit, and a lever having a pivoting point at one end thereof and to which a release fork is connected at an opposite end thereof to provide a point of application, the lever being configured such that a location of the point of application is varied such that the lever is rotated about the pivoting point when a force point is pushed by the movable member and a length between the point of application and the force point is shortened when the lever is rotated about the pivoting point and a rotating force of the lever is improved as the release fork is moved toward the pivoting point.

Abstract: A hybrid powertrain for a vehicle may include a first input shaft that may be connected with a first clutch and receives power from an engine, a second input shaft that may be connected with a second clutch and receives the power from the engine, an output shaft that may be aligned in parallel with the second input shaft and has a motor-driven gear of which a rotational force may be restricted, and a motor that has a motor-driving gear at an end of a motor shaft to be tooth-engaged with the motor-driven gear.

Abstract: A clutch actuator assembly may include a motor provided with a rotatable worm shaft, a screw thread being formed at an exterior circumference of the worm shaft; a worm wheel having a disk shape, and provided with a worm gear engaged to the screw thread and first and second guiding holes; an operation unit mounted in the first and second guiding holes in order to move toward a radial direction of the worm wheel; and an upper body provided with a fork, and engaging or releasing a clutch by upward and downward movements of the fork corresponding to a movement of the operation unit.

Abstract: A clutch actuator is configured to change operational force applied to a clutch in cases that a worm wheel is rotated by a motor. The clutch actuator may include a motor provided with a rotatable worm shaft, a screw thread formed along an exterior circumference of the worm shaft, a worm wheel provided with a worm gear engaging the screw thread, and a cam recess, an operation rod mounted to the worm wheel, the operation rod configured to engage or release a clutch, and a rotatable operation unit disposed within the cam recess, and configured to apply elastic force to the worm wheel. Methods of using the clutch actuator are also described.