Piston for internal combustion engines with forged sections made

Details Piston for internal combustion engines with forged sections made Piston for internal combustion engines with forged sections made

1991-07-11

1992-08-11

Cross, E. Rollins

Internal-combustion engines

Particular piston and enclosing cylinder construction

Piston

148328, 92222, F02F 300, C22C 3800, C22C 3824

Patent

active

051369923

ABSTRACT:
In an internal combustion engine, a piston has forged sections made of steel, especially in the piston head area, as well as at the hubs, and areas made of light metal, especially in the area of the piston skirt. The previously used quenched and drawn steel 42CrMo4V is to be replaced with a steel that has comparable properties but is more cost effective to manufacture. This replacement steel is a precipitation hardened ferrite-perlite steel.

REFERENCES:
patent: 2914401 (1959-11-01), Payson
patent: 3558370 (1971-01-01), Bomi
patent: 4160066 (1979-07-01), Szumachowski et al.
patent: 4318733 (1982-03-01), Ray et al.
patent: 4838963 (1989-06-01), Huchtemann et al.
patent: 5013524 (1991-05-01), Leban
patent: 5023049 (1991-06-01), Norstrom et al.

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