Piston for an internal combustion engine and method for its...

Details Piston for an internal combustion engine and method for its... Piston for an internal combustion engine and method for its...

2011-04-12

2011-04-12

Bryant, David P (Department: 3726)

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

C029S888042, C029S888070, C092S172000, C123S041350, C164S349000, C164S364000

Reexamination Certificate

active

07921555

ABSTRACT:
A piston for an internal combustion engine has annular cooling passage arranged in the vicinity of the piston crown and radially on the outside, which, in those regions of the pin bosses which lie close to the boss holes, has boss cooling passages which are connected to the cooling passage and are intended for improved cooling of the pin bosses.

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International Search Report, Apr. 13, 2007.

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