Variable air intake pipe length
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United States of America Patent
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-
May 1, 2007
Grant Date -
Dec 25, 2003
app pub date -
May 16, 2003
filing date -
May 17, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An air intake system for an internal combustion engine has at least one air box and a short duct for each cylinder. Each duct can be extended to provide higher torque at low speed. At high speed, the shorter duct length can be selectively provided for enhanced engine performance.
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