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    • 15. 发明公开
    • Torque Transmission Device
    • US20230184298A1
    • 2023-06-15
    • US17924007
    • 2021-05-12
    • ZF FRIEDRICHSHAFEN AG
    • Daniel ECKHARDTLaura RÖDERTobias AMENTVit PROSEKTobias DIECKHOFFGuntram LOOKKathrin MAYERMartin PFEUFFER
    • F16D7/02F16D3/12
    • F16D7/025F16D3/12F16D2250/0084
    • The invention relates to a torque transmission device (1) for the drive train of a motor vehicle, comprising an input element (2) and a cover element (16) which is connected to the input element (2) for conjoint rotation, and comprising an output element (3), wherein: the output element (3) and the input element (2) are rotatable in relation to one another via an energy accumulator device (4) and about a common axis of rotation A; a torque-limiting device (10) is located between the input element (2) and the output element (3); the torque-limiting device (10) is designed to transmit a torque between the input element (2) and the output element (3) up to a limit torque value and, when the limit torque value is exceeded, to transmit a torque at least in part or to transmit no torque at all; the torque-limiting device (10) is connected to the energy accumulator device (4) via a frictional and/or form-fitting connection (8), is connected to the input element (2) via a first frictional connection (9), and is connected to the cover element (16) via a second frictional connection (14); the torque-limiting device (10) comprises a preload element (5) for providing the frictional connections (9; 14); the preload element (5) is preloaded between the input element (2) and the cover element (16); a radially inner region of the preload element (5) is provided with at least two contact elements (17a, 17b, 17c, 17d, 17e, 17f); the contact elements (17a, 17b, 17c, 17d, 17e, 17f) are provided on a radius (r) and protrude axially out of the preload element (5) in the direction of the input element (2); the contact elements (17a, 17b, 17c, 17d, 17e, 17f) are at an angular distance (α) from one another; and the contact elements (17a, 17b, 17c, 17d, 17e, 17f) form the first frictional connection with the input element (2).