Torque fluctuation absorber

摘要

A torque fluctuation absorber includes a drive plate configured to rotate integrally with a crankshaft of an internal combustion engine, a center plate, a side plate, an elastic member for absorbing torque fluctuations, and a block member configured to be engaged with the drive plate and attached to the side plate, wherein the side plate includes plural accommodation portions accommodating the elastic member, and at least one of a recessed portion and a first window portion which are provided at a position corresponding to a position of the block member, and the block member is attached to a portion of the side plate between adjacent accommodation portions in a circumferential direction of the side plate.

主权项

1. A torque fluctuation absorber, comprising:
a drive plate configured to rotate integrally with a crankshaft of an internal combustion engine; a center plate arranged coaxially with and rotatably relative to the drive plate; a side plate arranged coaxially with and rotatably relative to the center plate; an elastic member for absorbing torque fluctuations generated between the side plate and the center plate; and a block member configured to be engaged with the drive plate by an engaging member and attached to the side plate, wherein the side plate includes a plurality of accommodation portions accommodating the elastic member, and at least one of a recessed portion and a first window portion which are provided at a position corresponding to a position of the block member; the block member is attached to a portion of the side plate between adjacent accommodation portions in a circumferential direction of the side plate; and the block member includes a portion overlapping with the elastic member in the circumferential direction of the side plate.