Electric control valve
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United States of America Patent
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Jan 8, 2008
Grant Date -
Feb 22, 2007
app pub date -
Feb 13, 2004
filing date -
Feb 14, 2003
priority date (Note) -
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Abstract
The electric control valve, in which a throttled flow rate is quantitatively determined by the groove 16 by a rotating position of the valve body 20, the valve seat surface projects like a band from a border band 16C drawing an outline of the groove 16, and the end surface of the valve body 20 contacts slidingly on a top surface of the border band 16C.
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