Noise reducing structure of speed reduction device for electric CVVT

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United States of America Patent

PATENT NO 9599159
APP PUB NO 20150308499A1
SERIAL NO

14555281

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A noise reducing apparatus of a speed reduction device for electric continuous variable valve timing (CVVT), may include the speed reduction device having an inner tooth portion formed to be faced opposing an external wheel of a ball bearing in an interior diameter surface of a housing that may be integrally formed with a sprocket and rollers arranged through a cage between an inner tooth of the inner tooth portion and the external wheel of the ball bearing, wherein a coating layer may be formed to ease impact in exterior circumference portions of the rollers.

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Patent Owner(s)

  • HYUNDAI MOTOR COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baek, Hongkil Seoul, KR 6 6
Kim, Bokyung Yongin-si, KR 37 121
Lee, Seungwoo Seoul, KR 60 378
Lyo, Inwoong Suwon-si, KR 6 6
Seo, Jiyoun Suwon-si, KR 25 47

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