192 clutches and power-stop control – Clutches – Axially engaging
Patent
1995-12-18
1997-08-12
Pitts, Andrea L.
192 clutches and power-stop control
Clutches
Axially engaging
1921134, 192107M, 188264A, F16D 1370
Patent
active
056556373
ABSTRACT:
There is disclosed an improved automotive clutch having a pressure ring, preferably formed of aluminum, with a heat shield that includes a thin outer metallic ring, preferably of steel, which is laminated to a layer of an adhesive resin that contains metallic elements which are in substantially direct heat exchange between the outer steel ring and the aluminum pressure ring. For this purpose, copper screen of suitable mesh, from 10 to about 20 U.S. Standard, is embedded in the adhesive resin layer, reinforcing the adhesive layer and providing a controlled degree of direct heat transmission from the steel ring to the aluminum ring. In preferred embodiments, the attachment of the steel ring to the pressure ring is enhanced by a plurality of countersunk, flush head fasteners which are spaced about the periphery of the ring in a regular geometric array. Optionally, a plurality of slots are provided in the steel ring to compensate for the differences in thermal expansion of the steel ring and the aluminum pressure ring.
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patent: 2190874 (1940-02-01), Jarrett
patent: 3732953 (1973-05-01), Huet
patent: 4858731 (1989-08-01), Bush
patent: 5083650 (1992-01-01), Seiz et al.
patent: 5161654 (1992-11-01), Valentin
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