Light-alloy piston with a combustion bowl

Details Light-alloy piston with a combustion bowl Light-alloy piston with a combustion bowl

1994-11-17

1996-04-30

Okonsky, David A.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Piston

F16J 101, B23P 1510

Patent

active

055115217

ABSTRACT:
A ring for protecting the edge of a combustion bowl disposed within a top surface of a light-alloy piston for a diesel engine. The ring is made of fine-grain carbon and serves as bowl edge armor. The ring is galvanically coated before being bonded to the remainder of the piston. The exterior surface of the bowl edge armor is coated with an antioxidation compound.

REFERENCES:
patent: 4140096 (1979-02-01), Dunn et al.
patent: 4334507 (1982-06-01), Kohnert et al.
patent: 4651631 (1987-03-01), Avezou
patent: 4658706 (1987-04-01), Sander et al.
patent: 4662326 (1987-05-01), Kohnert

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