US 7,726,449 B2 · Damper assembly with torque limiter

Abstract

An airtight damper, an input axis, and a flywheel are mounted to the input axis with a bolt. A torque transmitter, a torque transmitter attachment unit of the flywheel, and a support plate are united with each other using a bolt. The torque transmitter includes a spline unit. A pressure plate engaged with the spline unit is pressed by a pressure spring so as to press a friction plate and a torque transmitter plate against the support plate. Since the torque transmitter plate is fixed to a drive plate by a rivet, the torque from the input axis can be transmitted to the drive plate. Although the torque from the engine is larger than an allowable value, a friction member can slip at a constant torque depending on the pressure of the pressure spring, thereby protecting the damper against an excess load.

Claims10

Dependent claims

A damper assembly with a torque limiter, said damper assembly having a single torque transmission path between an input axis and an output axis, and comprising:

a friction torque limiter between said input axis or said output axis and an airtight damper, said friction torque limiter being in series with said damper and limiting the torque which can be transmitted through said damper, wherein said friction torque limiter is disposed outside said airtight damper and includes a torque transmission plate fixed to a drive member of the damper, and a friction plate held in frictional engagement with said torque transmission plate by a press plate having a radially outermost peripheral portion spline engaged with a radially inner peripheral portion of a torque transmitting member and pressed toward said torque transmission plate by a press spring.

Dependencies are inferred from the claim text.

Damper assembly with torque limiter

Life of this patent

Damper assembly with torque limiter

Life of this patent

Abstract

Claims10