Variable valve apparatus
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United States of America Patent
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Dec 5, 2000
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N/A
app pub date -
Jan 26, 1998
filing date -
Jan 26, 1998
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Abstract
A rotatable eccentric sleeve allows the position of a cam follower in an internal combustion engine to be altered such that the timing of opening and closing of valve events is altered controllably. Intake and exhaust valves may be phased differently within a compact mechanism.
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