Internal-combustion engines – Particular piston and enclosing cylinder construction – Piston
Reexamination Certificate
2004-10-04
2009-12-08
McMahon, M. (Department: 3741)
Internal-combustion engines
Particular piston and enclosing cylinder construction
Piston
Reexamination Certificate
active
07628134
ABSTRACT:
The invention relates to a piston for an internal combustion engine comprising an annular cooling channel embodied in the edge area of the piston head and closed on a rod side with a cover consisting of two semicircular half-shells which are oriented with the internal sides thereof towards the piston and provided with a circular groove for arranging the half-shells on a projection embodied on the external side of the piston. The half-shells are provided on the abutting surfaces thereof with rest connections for easily connecting the half-shells to each other.
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International Search Report.
Collard & Roe P.C.
Mahle GmbH
McMahon M.
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