Method and device for work-hardening a crankshaft

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United States of America Patent

PATENT NO 11344980
APP PUB NO 20200216924A1
SERIAL NO

16622597

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Abstract

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The invention relates to a method for work-hardening a crankshaft (4) comprising connecting rod journals (5), main bearing journals (6) and crank webs (7), the connecting rod journals (5) and the main bearing journals (6) being provided with oil holes (31). According to the invention, at least one end (30) of one of the oil holes (31) and/or at least one cylindrical portion (38) of the oil holes (31) is/are work-hardened.

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Patent Owner(s)

Patent OwnerAddress
MASCHINENFABRIK ALFING KESSLER GMBH73433 AALEN-WASSERALFINGEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grimm, Konrad Aalen, DE 5 1
Reeb, Alfons Aalen, DE 7 29
Schmidt, Jochen Boebingen a.d. Rems, DE 11 35

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