Valve structure for internal combustion
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United States of America Patent
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Jul 7, 2009
Grant Date -
Dec 6, 2007
app pub date -
Jun 4, 2007
filing date -
Jun 6, 2006
priority date (Note) -
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Abstract
A sealing region where a valve seat and an outer peripheral surface of a enlarged diameter portion of a flare portion are contacted to each other is configured so that an end on a side opposite a combustion chamber is positioned at a position same as or on a side away from the combustion chamber than an end on a side close to the combustion chamber of a connecting region where a lid member and an inner peripheral surface of the enlarged diameter portion are connected with respect to the axis line direction.
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