Flexible shaft driven rotary control valve
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United States of America Patent
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-
Nov 16, 1999
Grant Date -
N/A
app pub date -
Sep 25, 1996
filing date -
Sep 25, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus and method for remote rotational control of various equipment control members and surfaces by means of a coaxially disposed flexible shaft, such as a torsion-cable, and housing or tube combination. One particular application of the invention is the remote, servo-activated rotational control of throttles for radio-controlled aircraft. In radio-controlled aircraft applications, rotational activation of the servo output shaft causes the relatively smaller twist or torsion cable, and therefore the throttle plate, to rotate and thereby to adjust the flow of fuel and air mixture through the carburetor and into the engine.
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