Composite piston

Details Composite piston Composite piston

1979-11-01

1981-12-22

Cohen, Irwin C.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92224, 123193P, F16J 100

Patent

active

043064892

ABSTRACT:
A composite piston for internal combustion engines is provided. The base structure of the piston is formed from a fiber-reinforced resin material. Covering the head portion of the base structure and integral therewith is a cap portion formed of a nonflammable material such as metal, metal alloys and ceramics. The cap and head portion of the piston have an outer diameter which is less than the outer diameter of the piston body by an amount sufficient to accommodate for the difference in the thermal coefficient of expansion of the material of the cap and the material of the base structure.

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patent: 3890950 (1975-06-01), Haldeman
patent: 3906923 (1975-09-01), Harker
patent: 4170926 (1979-10-01), Emmett

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