METERING VALVE FOR DIAMOND DRILLING
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United States of America Patent
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Issued Date -
Oct 20, 2016
app pub date -
Dec 9, 2014
filing date -
Dec 13, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Shut-off device for at least partially blocking a fluid in a fluid line, including a blocking device which has a substantially cylindrical basic body and includes a first end and a second end, wherein the blocking device can be positioned in the fluid line and, by rotation in a direction of rotation (A) about an axis of rotation (R), can be reversibly adjusted from a blocking position, in which no fluid can flow through the blocking device, into a throughflow position, in which fluid can flow through the blocking device. The blocking device includes a first through-opening and a second-through opening, wherein the cross section of the first through-opening is smaller than the cross section of the second through-opening.
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