Patent ID: 11879515
Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 6:
7. A centrifugal pendulum absorber, comprising:
a center plate arranged to receive a torque;
a first pendulum mass and a second pendulum mass axially bracketing the center plate; and
a resilient bumper including a core enclosed by a casing, the core being a metal, and the casing being a polymer;
wherein
the resilient bumper is connected to the first pendulum mass and to the second pendulum mass and extends past the first pendulum mass in a circumferential direction;
and
a fastener fixedly connecting the first pendulum mass to the second pendulum mass, wherein the resilient bumper is disposed around the fastener;
wherein the core includes:
an inner wall extending about the fastener;
an outer wall extending about the fastener and arranged radially outwardly of the inner wall with respect to the fastener; and
a cavity disposed between the inner wall and the outer wall, the cavity extending from one axial side of the core towards another axial side of the core.