Piston blank for a forged piston

Details Piston blank for a forged piston Piston blank for a forged piston

1989-03-30

1990-03-20

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Intermediate article

123193P, F02F 300, B21K 118

Patent

active

049100939

ABSTRACT:
A forged piston blank for a forged piston of an internal combustion engine is formed with undercuts between the eye portions and crown side or head portions of the ears so that a larger piston pin may be accommodated by virtue of the fact that the wall thickness at the upper portion of the eye is greater than the wall thickness of the head portion of the ear.

REFERENCES:
patent: 1283021 (1918-10-01), Anderson
patent: 1294833 (1919-02-01), Ricardo
patent: 1554157 (1925-09-01), Deans
patent: 1774106 (1930-08-01), Nelson
patent: 1795353 (1931-03-01), Taylor et al.
patent: 4334507 (1982-06-01), Kohnert et al.
patent: 4662047 (1987-05-01), Berchem

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