Piston for an internal combustion engine

Internal-combustion engines – Particular piston and enclosing cylinder construction – Piston

Reexamination Certificate

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C123S193100, C123S041350

Reexamination Certificate

active

06957638

ABSTRACT:
A one-piece piston for an internal combustion engine, having a ring-shaped cooling channel arranged in the outer region of the piston head, is proposed, which is closed off by a ring-shaped cooling channel cover structured towards the side of the pin bosses as a support element. This cooling channel cover comprises at least two arc-shaped cover elements the outer edge of which supports the pin-boss-side face of the ring wall.

REFERENCES:
patent: 5261363 (1993-11-01), Kemnitz
patent: 6701875 (2004-03-01), Weng et al.
patent: 33 38 419 (1983-10-01), None

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