A starting apparatus including an input member coupled to a motor; a damper mechanism having an input element, an elastic body and an output element; a lock-up clutch mechanism for performing lockup where the input member is coupled to an input shaft of a transmission via the damper mechanism and fo
A starting apparatus including an input member coupled to a motor; a damper mechanism having an input element, an elastic body and an output element; a lock-up clutch mechanism for performing lockup where the input member is coupled to an input shaft of a transmission via the damper mechanism and for canceling lockup, and a dynamic damper including an elastic body and a mass body engaged with the elastic body. The mass body of the dynamic damper is an elastic body support member that is supported rotatably around an axis of the starting apparatus and that supports the elastic body of the damper mechanism. With this arrangement, the dynamic damper is easily adjustable while reducing the overall size of the starting apparatus.
대표청구항▼
1. A starting apparatus that comprising: an input member that is coupled to a motor;a damper mechanism that has an input element, a first elastic body and an output element;a lock-up clutch mechanism that carries out lockup where the input member is coupled to an input shaft of a transmission via th
1. A starting apparatus that comprising: an input member that is coupled to a motor;a damper mechanism that has an input element, a first elastic body and an output element;a lock-up clutch mechanism that carries out lockup where the input member is coupled to an input shaft of a transmission via the damper mechanism and that is able to cancel the lockup; anda dynamic damper that includes a contact portion connected by a second elastic body to a mass body, the second elastic body not being a portion of the damper mechanism that forms a torque transmission pass from the input member to the input shaft when the lock-up clutch mechanism is engaged, and the contact portion is directly connected to the damper mechanism, whereinthe mass body of the dynamic damper is an elastic body support member that is supported rotatably around an axis of the starting apparatus and that supports the first elastic body of the damper mechanism, the mass body being coupled to the damper mechanism by the second elastic body. 2. The starting apparatus according to claim 1, wherein the elastic body support member is arranged in an outer peripheral side region inside a housing of the starting apparatus. 3. The starting apparatus according to claim 1, wherein the damper mechanism has elastic bodies, which are arranged so as to be spaced apart in a radial direction of the starting apparatus, as the first elastic body, andthe elastic body support member supports a portion of the elastic bodies arranged on a radially most outer side among the elastic bodies. 4. The starting apparatus according to claim 3, wherein the elastic body support member is an annular member that is formed so as to slidably hold the first elastic body of the damper mechanism, and is supported rotatably around the axis of the starting apparatus by the turbine runner. 5. The starting apparatus according to claim 1, wherein the damper mechanism includes a third elastic body arranged so as to be spaced apart from the first elastic body in a radial direction of the starting apparatus and engaged with the output element, and includes an intermediate element engaged with the first elastic body and the third elastic body, andthe second elastic body of the dynamic damper is supported by the intermediate element between the first elastic body and the third elastic body of the damper mechanism when viewed in an axial direction of the starting apparatus. 6. The starting apparatus according to claim 5, further comprising: a centrifugal pendulum vibration absorber that includes a support member connected to the intermediate element or output element of the damper mechanism and a plurality of mass bodies each oscillatable with respect to the support member, whereinthe second elastic body of the dynamic damper is engaged with the output element of the damper mechanism, andthe first and third elastic bodies of the damper mechanism and the second elastic body of the dynamic damper are arranged between the turbine runner and the centrifugal pendulum vibration absorber when viewed in the radial direction. 7. The starting apparatus according to claim 5, further comprising: a centrifugal pendulum vibration absorber that includes a support member connected to the intermediate element or output element of the damper mechanism and a plurality of mass bodies each oscillatable with respect to the support member, whereinthe second elastic body of the dynamic damper is engaged with the intermediate element of the damper mechanism, andthe first and third elastic bodies of the damper mechanism and the second elastic body of the dynamic damper are arranged between the turbine runner and the centrifugal pendulum vibration absorber when viewed in the radial direction. 8. The starting apparatus according to claim 6, wherein the intermediate element of the damper mechanism has an axially extended portion that extends in the axial direction and that supports the second elastic body of the dynamic damper, and that is contactable with the elastic body support member. 9. The starting apparatus according to claim 6, wherein the support member of the centrifugal pendulum vibration absorber is fixed to the intermediate element or output element of the damper mechanism on a radially inner side of one of the first and third elastic bodies of the damper mechanism, the one of the third and fourth elastic bodies being arranged on a radially inner side among the third and fourth elastic bodies. 10. The starting apparatus according to claim 1, further comprising: a pump impeller that is connected to the input member; anda turbine runner that is rotatable together with the pump impeller. 11. The starting apparatus according to claim 2, wherein the damper mechanism has elastic bodies, which are arranged so as to be spaced apart in a radial direction of the starting apparatus, as the first elastic body, andthe elastic body support member supports a portion of the elastic bodies arranged on a radially most outer side among the elastic bodies. 12. The starting apparatus according to claim 11, wherein the elastic body support member is an annular member that is formed so as to slidably hold the first elastic body of the damper mechanism, and is supported rotatably around the axis of the starting apparatus by the turbine runner. 13. The starting apparatus according to claim 12, wherein the damper mechanism includes a third elastic body arranged so as to be spaced apart from the first elastic body in a radial direction of the starting apparatus and engaged with the output element, and includes an intermediate element engaged with the third elastic body and the fourth elastic body, andthe second elastic body of the dynamic damper is supported by the intermediate element between the first elastic body and third elastic body of the damper mechanism when viewed in an axial direction of the starting apparatus. 14. The starting apparatus according to claim 13, further comprising: a centrifugal pendulum vibration absorber that includes a support member connected to the intermediate element or output element of the damper mechanism and a plurality of mass bodies each oscillatable with respect to the support member, whereinthe second elastic body of the dynamic damper is engaged with the output element of the damper mechanism, andthe first, second, and third elastic bodies are arranged between the turbine runner and the centrifugal pendulum vibration absorber when viewed in the radial direction. 15. The starting apparatus according to claim 13, further comprising: a centrifugal pendulum vibration absorber that includes a support member connected to the intermediate element or output element of the damper mechanism and a plurality of mass bodies each oscillatable with respect to the support member, whereinthe second elastic body of the dynamic damper is engaged with the intermediate element of the damper mechanism, andthe first and third elastic bodies of the damper mechanism and the second elastic body of the dynamic damper are arranged between the turbine runner and the centrifugal pendulum vibration absorber when viewed in the radial direction. 16. The starting apparatus according to claim 14, wherein the intermediate element of the damper mechanism has an axially extended portion that extends in the axial direction and that supports the second elastic body of the dynamic damper, and that is contactable with the elastic body support member. 17. The starting apparatus according to claim 16, wherein the support member of the centrifugal pendulum vibration absorber is fixed to the intermediate element or output element of the damper mechanism on a radially inner side of one of the first and third elastic bodies of the damper mechanism, the one of the third and fourth elastic bodies being arranged on a radially inner side among the third and fourth elastic bodies. 18. The starting apparatus according to claim 17, further comprising: a pump impeller that is connected to the input member; anda turbine runner that is rotatable together with the pump impeller. 19. The starting apparatus according to claim 1, wherein the contact portion is directly connected to the output element. 20. The starting apparatus according to claim 1, wherein the damper mechanism further comprises a third elastic body and an intermediate element, the first elastic body connecting the input element to the intermediate element and the third elastic body connecting the intermediate element to the output element, wherein the contact portion is connected to the intermediate element.
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이 특허에 인용된 특허 (6)
Degler, Mario; Krause, Thorsten; Schenck, Kai; Werner, Markus; Engelmann, Dominique, Force transmission device in particular for power transmission between a drive engine and an output.
Krause, Thorsten; Engelmann, Dominique, Force transmission device with a rotational speed adaptive damper and method for improving the damping properties.
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