Multiple variable valve lift apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9869253
SERIAL NO

15157257

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Abstract

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A multiple variable valve lift apparatus may include a first moving cam provided to rotate together with a camshaft and move in an axial direction of the camshaft, and configured to form a first cam guide protrusion and a plurality of cams realizing different valve lifts from each other, a second moving cam provided to rotate together with a second camshaft and move in an axial direction of the second camshaft, and configured to form a second cam guide protrusion and a plurality of cams realizing different valve lifts from each other, a first operating device operated to move the first moving cam in a first direction, a second operating device operated to move the second moving cam in a second direction, a controller configured to control operations of the first operating device and the second operating device, and a valve opening/closing device.

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Patent Owner(s)

Patent OwnerAddress
HYUNDAI MOTOR COMPANY12 HEOLLEUNG-RO SEOCHO-GU SEOUL 06797

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Byong Young Bucheon-si, KR 43 146
Han, Seung Kook Seoul, KR 22 56
Kim, Wootae Anyang-si, KR 63 118
Woo, Soo Hyung Yongin-si, KR 85 228

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