Variable valve timing apparatus
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United States of America Patent
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-
Oct 28, 2003
Grant Date -
May 30, 2002
app pub date -
Nov 21, 2001
filing date -
Nov 21, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
Just after the start of an engine at cold start, an overlap in the opening time of an intake valve (7a) and an exhaust valve (7b) is controlled to include an intake stroke range, such that liquid fuel in an intake port (11) flows into a cylinder with the downward movement of a piston (16) without being directly exhausted to an exhaust side, so that the fuel can be combusted without fail.
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