Patent ID: 8763494
Filing Date: 2014-07-01
Classification: F16F,F16H,Y10T

Abstract:
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.