Lightweight piston architecture

Details Lightweight piston architecture Lightweight piston architecture

1988-09-28

1990-03-20

Look, Edward K.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92213, 92222, 92248, 123193P, 29888046, F16J 104

Patent

active

049091336

ABSTRACT:
The invention is an improvement in a lightweight carbon-carbon composite piston, the improvement comprehending the use of near-net shape knitted or warp-interlock pre-forms to improve the structural qualitites of the piston. In its preferred embodiment, a one piece, tubular, closed-ended, knitted pre-form (a sock) of carbon fibers (11) embedded within the matrix of the piston structure forms the crown (12), side wall (15), skirt (16) and inner surface (18) of the piston, and wrap-interlock pre-forms strengthen the piston crown and wrist pin bosses.

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