Valve opening and closing mechanism
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United States of America Patent
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Nov 18, 2014
Issued Date -
N/A
app pub date -
Apr 2, 2010
filing date -
Aug 24, 2009
priority date (Note) -
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Abstract
A valve opening and closing mechanism includes: an input shaft 2 driven by a power source; two or more output shafts 5, 6 respectively including valves 3, 4; power transmission members that transmit power from the input shaft 2 to the respective output shafts 5, 6 with varying a phase of the power; and preload application members that apply preloads respectively to the output shafts 5, 6 and the power transmission member in opposite directions. The output shafts 5, 6 may be separated from the power transmission member.
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