Internal-combustion engines – Particular piston and enclosing cylinder construction – Piston
Reexamination Certificate
2005-10-25
2005-10-25
Mohanty, Bibhu (Department: 3747)
Internal-combustion engines
Particular piston and enclosing cylinder construction
Piston
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
Collard & Roe P.C.
Mahle GmbH
Mohanty Bibhu
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