Method for producing an aluminum cylindrical hollow body for a vehicle transmission and a cylindrical hollow body

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United States of America Patent

PATENT NO 11772212
APP PUB NO 20220241908A1
SERIAL NO

17612447

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Abstract

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The relates to a method for producing and machining a cylindrical hollow body constructed of aluminium or an aluminium alloy and for arranging said hollow body in a motor vehicle transmission. The hollow body is produced by a casting process such that the hollow body has an inner and an outer lateral surface and has teeth in at least one sub-region of the inner lateral surface. For machining, the hollow body is centrally clamped. The hollow body is arranged in the vehicle transmission by tooth flanks of the internal teeth. In the disclosed method according to the disclosure, the hollow body is centrally clamped at a tip diameter of the internal teeth. The disclosure further relates to a corresponding cylindrical hollow body and to a corresponding vehicle transmission.

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Patent Owner(s)

Patent OwnerAddress
ZF FRIEDRICHSHAFEN AGPHILIP DELIE LUDWIGSHAFEN GERMANY FRIEDRICHSHAFEN BADEN-WURTTEMBERG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boehm, Helmut St. Ingbert, DE 3 0
Brehmer, Martin Tettnang, DE 140 2004
Ruhl, Christian Friedrichshafen, DE 6 49

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