VALVE AND CONSTRUCTION MACHINE WITH THE SAME
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United States of America Patent
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N/A
Issued Date -
Apr 30, 2015
app pub date -
Oct 28, 2014
filing date -
Oct 30, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A valve capable of restraining a valve element having a flow-path hole from unintentional rotation to close the valve is provided midway of a flow pipe, including the valve element and a holding member holding the valve element while permitting rotational movement thereof and having inlet and outlet ports. The valve element makes rotational movement between a first position for bringing the ports into communication with each other through the flow-path hole and a second position for blocking the communication. The flow-path hole has inlet and outlet openings facing respective inlet and outlet ports, in the first position. The inlet opening has a shape capable of embracing an outer edge of a valve-element-side opening of the inlet port facing the valve element and a size greater than that of the outer edge of the valve-element-side opening circumstantially of the rotational movement of the valve element.
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