Method of manufacturing light rotor shaft for eco-friendly vehicles

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United States of America Patent

PATENT NO 9982706
SERIAL NO

14937956

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Abstract

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A method of manufacturing a light rotor shaft for eco-friendly vehicles is provided which includes cutting a pipe material in a specified length to provide a pipe blank and forming the pipe blank to provide a first form having the first segment on a first side. The method further includes, forming a second form having the second segment by inserting and rotating a first side of a mandrel into the first side of the first form and concurrently hammer-forging the second side of the first form to form the second segment. The rotor shaft includes a third segment formed by inserting and rotating the second side of the mandrel into the first side of the second form to form the third segment.

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Patent Owner(s)

Patent OwnerAddress
HYUNDAI MOTOR COMPANYJONGRO-KU SEOUL

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jo, Bong Lae Gyeonggi-Do, KR 9 9
Jo, Hye Min Seoul, KR 2 0

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