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US 2015/0308370 A1Published application
Piston for an internal combustion engine
AssigneeMahle International GmbH
InventorWolfgang Issler
Life of this patent
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Abstract
A piston for an internal combustion engine is proposed with a piston head and with two pin bosses which lie opposite one another, are molded integrally onto the piston head in the direction which faces away from the piston head, and have in each case one pin bore. In each case one turned groove is formed into the radially inner regions of the lower halves of the pin bores, which halves face away from the piston head.
Claims5
Piston (1) for an internal combustion engine,
- having a piston crown (4), followed radially on the outside, in the direction facing away from the piston crown, by a ring belt (6),
- having two pin bosses (7) formed onto the piston crown (4) in the direction facing away from the piston crown, which lie opposite one another and each have a pin bore (8), and
- having a piston skirt (12) that connects the pin bosses (7) with one another,
- wherein a turned groove (10, 10′) is formed in each of the radially inner regions of the lower halves of the pin bores (8), facing away from the piston crown.
1 more element
Dependencies are inferred from the claim text.