Variable valve system, control apparatus and variable valve apparatus for internal combustion engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9151192
APP PUB NO 20140251243A1
SERIAL NO

14199236

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A variable valve system for an internal combustion engine includes a plurality of engine valves provided per one cylinder; a swing arm configured to perform an opening-and-closing operation of at least one of the plurality of engine valves by swinging about a fulcrum given by a support member; a variable lift mechanism configured to cause the swing arm to swing, and to vary a lift amount of the at least one of the plurality of engine valves; a valve stop mechanism provided for the at least one of the plurality of engine valves and configured to stop the opening-and-closing operation of the at least one of the plurality of engine valves by producing a lost motion of the support member; and an engine-speed limiting section configured to variably limit a maximum rotational speed of the internal combustion engine in accordance with a displacement amount of the lost motion.

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Patent Owner(s)

Patent OwnerAddress
HITACHI AUTOMOTIVE SYSTEMS LTDIBARAKI

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakamura, Makoto Zushi, JP 369 5498

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