Joined connection on a two-part piston and joining method

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United States of America Patent

PATENT NO 11098800
APP PUB NO 20180051805A1
SERIAL NO

15802739

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Abstract

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A piston, in particular, a gallery-cooled piston for an internal combustion engine has a piston bottom part and a piston upper part which are connected in a joining process to produce the piston. The piston upper part has at least one ring zone and an inner wall. The piston bottom part has a radially circumferential oblique surface at the end which faces the piston upper part. The oblique surface, interacting with the inner wall of the piston upper part, brings about a centering action during the joining process of the piston parts. A joining method for manufacturing a piston is also disclosed.

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Patent Owner(s)

Patent OwnerAddress
KS KOLBENSCHMIDT GMBH74172 NECKARSULM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ottliczky, Emmerich Forchtenberg, DE 13 34
Weiss, Eberhard Langenbrettach, DE 18 87

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