| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for setting an expansion stroke rather than an actual compression stroke to be longer as referred with relation to piston strokes. SOLUTION: A valve is provided to be opened simultaneously as or with a little delay behind an intake valve dedicated for mixed gas is in an intake stroke, and closed between a point a little after a lower dead point and a little before an upper dead point in the compression stroke. COPYRIGHT: (C)2004,JPO&NCIPI
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