Actuator assembly and clutch assembly
First Claim
1. An actuator assembly for operating a clutch in the driveline of a motor vehicle, comprising:
- a drive unit for generating an operating force; and
a ramp unit which is drivable by the drive unit and which comprises an abutment element, a first ring, and a second ring;
wherein the first ring is drivable by the drive unit so as to be rotatable around a rotational axis and comprises a plurality of circumferentially distributed axial through-openings,wherein in each of the axial through-openings two rollers are arranged and are axially supported against one another and are in rolling contact with one another, of which a first roller is axially supported against the abutment element and a second roller is supported against the second ring;
wherein the second ring is configured to be held rotationally fixed and axially movable in a stationary component and comprises a plurality of circumferentially distributed ramps which each cooperate with an associated second roller; and
wherein the ramps are configured such that rotatingly driving the rotatingly drivable first ring by the drive unit effects an axial movement of the second ring relative to the first ring.
1 Assignment
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Accused Products
Abstract
An actuator assembly for being operated in the driveline of a motor vehicle comprises a drive unit for generating an operating force and a ramp unit drivable by the drive unit. The ramp unit comprises an abutment element, a first ring and a second ring. The first ring is drivable by the drive unit so as to rotate around a rotational axis (A) and a plurality of circumferentially distributed axial through-openings. In each of the axial through-openings two rollers are arranged of which respectively a first roller is axially supported against the abutment element and a second roller is axially supported against the second ring The second ring is configured to be held in a stationary component in a rotationally fixed and axially movable way and comprises a plurality of circumferentially distributed ramps which each cooperate with an associated roller. The ramps are configured such that rotatingly driving the rotatingly drivable first ring by the drive unit generates an axial movement of the second ring relative to the first ring. A clutch assembly can have such an actuator assembly.
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Citations
16 Claims
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1. An actuator assembly for operating a clutch in the driveline of a motor vehicle, comprising:
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a drive unit for generating an operating force; and a ramp unit which is drivable by the drive unit and which comprises an abutment element, a first ring, and a second ring; wherein the first ring is drivable by the drive unit so as to be rotatable around a rotational axis and comprises a plurality of circumferentially distributed axial through-openings, wherein in each of the axial through-openings two rollers are arranged and are axially supported against one another and are in rolling contact with one another, of which a first roller is axially supported against the abutment element and a second roller is supported against the second ring; wherein the second ring is configured to be held rotationally fixed and axially movable in a stationary component and comprises a plurality of circumferentially distributed ramps which each cooperate with an associated second roller; and wherein the ramps are configured such that rotatingly driving the rotatingly drivable first ring by the drive unit effects an axial movement of the second ring relative to the first ring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A clutch assembly for a driveline of a motor vehicle comprising:
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a disconnect clutch for disconnecting the driveline; and an actuator assembly for operating the disconnect clutch; wherein the actuator assembly comprises a drive unit for generating an operating force and a ramp unit which is drivable by the drive unit and which comprises an abutment element, a first ring and a second ring; wherein the first ring is drivable by the drive unit so as to be rotatable around a rotational axis and comprises a plurality of circumferentially distributed axial through-openings; wherein in each of the axial through-openings two rollers are arranged which are axially supported against one another and are in rolling contact with one another, of which a first roller is axially supported against the abutment element and a second roller is supported against the second ring; wherein the second ring is configured to be held rotationally fixed and axially movable in a stationary component and comprises a plurality of circumferentially distributed ramps which each cooperate with an associated second roller; wherein the ramps are configured such that rotatingly driving the rotatingly drivable first ring by the drive unit effects an axial movement of the second ring relative to the first ring; wherein the disconnect clutch comprises at least a first clutch part and a second clutch part, wherein a spring element is provided which loads the disconnect clutch in a closed position in which torque is transmittable between the first clutch part and the second clutch part; wherein the ramp unit is arranged to load the disconnect clutch in an open position; and wherein the second ring cooperates with one of the first and the second clutch parts for disengaging the first and second clutch parts from each other when the drive unit is operated. - View Dependent Claims (14, 15, 16)
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Specification