Differential apparatus component, differential apparatus therewith and manufacturing method thereof

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United States of America Patent

PATENT NO 9856961
SERIAL NO

15031202

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Abstract

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In a differential apparatus component (ring gear-integrated with differential case 12), a differential case and a ring gear are formed integrally and seamlessly of cast steel. Cast Steel is preferably composed of 0.3 to 1.0% by mass of silicon (Si), 0.5 to 1.2% by mass of manganese (Mn), 0.1 to 0.5% by mass of vanadium (V), 0.01 to 0.05% by mass of tin (Sn), 0.1 to 1.5% by mass of chromium (Cr), 0.2 to 1.0% by mass of copper (Cu), and the rest composed of iron (Fe) and unavoidable impurities.

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Patent Owner(s)

Patent OwnerAddress
AISIN TAKAOKA CO LTD1 TENNOH TAKAOKA SHIN-MACHI TOYOTA-SHI AICHI 473-8501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dai, Huaisheng Toyota, JP 1 0
Yamaguchi, Tomohiro Toyota, JP 87 345
Zhang, Zhong-zhi Toyota, JP 9 33

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