High gain servo valve
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United States of America Patent
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Apr 5, 2016
Grant Date -
Aug 7, 2014
app pub date -
Feb 6, 2013
filing date -
Feb 6, 2013
priority date (Note) -
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Abstract
A servo valve includes a movable throttling member positioned between a first opening and an opposing second opening, and a first inlet port and a second inlet port to convey a fluid flow toward the first and opening, respectively. A first inlet orifice, defined between the first inlet port and a first pressure reaction member, is located between and in fluid communication with the first inlet port and the first opening. A second inlet orifice, is located between and in fluid communication with the second inlet port and the second opening. The second pressure reaction member is secured to the first pressure reaction member at a substantially fixed distance. Each of the first inlet orifice and the second inlet orifice is variable via a change a pressure of the fluid flow downstream of the first inlet orifice and the second inlet orifice.
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