Variable air intake mechanism of engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 19, 2004
Grant Date -
Jul 29, 2004
app pub date -
Nov 13, 2003
filing date -
Nov 13, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An air intake structure of an engine has a first intake air passage and a second intake air passage provided independently and having downstream end portions branched into a plurality of intake ducts connected to a plurality of cylinders of the engine. The neighborhood of the downstream end portion of the first intake air passage and the neighborhood of the down stream end portion of the second intake air passage can be brought into communication by a first communication element. The first intake air passage and the second intake air passage are rendered communicable by a second communication element upstream from the first communication element in the flowing direction of intake air. The first communication element and the second communication element are controlled in accordance with the operating state of the engine.
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