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Clutch mechanism and method for installing such mechanism on transmission drivetrain

  • US 10,458,486 B2
  • Filed: 03/13/2017
  • Issued: 10/29/2019
  • Est. Priority Date: 03/16/2016
  • Status: Active Grant
First Claim
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1. A clutch mechanism intended to be installed between an engine and a transmission of a motor vehicle, the clutch mechanism comprising:

  • a subassembly comprising;

    a clutch;

    a clutch support (500) configured to support the clutch radially by a rolling bearing (113); and

    an output hub;

    a clutch control system (300) comprising a housing (307) and an annular piston configured to move axially with respect to the housing (307) in order to engage or disengage the clutch, the clutch support (500) being arranged in an axially intermediate position between the control system (300) and the output hub;

    an axial locking system for axial locking of the clutch control system with respect to the clutch, the axial locking system comprising;

    a first axial locking element (304, 402) configured to implement at least an axial retention between the control system (300) and the transmission (400);

    a second axial locking element (600) configured to provide an axial retention between the clutch and a shaft (A1, A2) of the transmission, the second axial locking element (600) axially engaging both the shaft (A1, A2) of the transmission (400) and the output hub of the clutch; and

    a rotational coupling device (303, 503) for non-rotatably coupling of the clutch support (500) with respect to the control system (300), the rotational coupling device (303, 503) being different from the axial locking system;

    the rotational coupling device (303, 503) comprising first splines (303) arranged on the clutch control system (300) and second splines (503) arranged on the clutch support (500), the first splines non-rotatably engaging the second splines.

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