Adjustment for signal transmitter
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United States of America Patent
Stats
-
Nov 13, 2001
Grant Date -
N/A
app pub date -
Jan 4, 2001
filing date -
Mar 16, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a position control system for monitoring the position of a valve, a signal transmitter for generating a signal indicative of a valve position includes a shaft coupled to the valve and rotatable to an azimuth angle indicative of the valve position. The signal transmitter includes a signal flag mounted on the shaft in either a calibration state or an operating state. In the calibrating state, a signal-flag adjuster sets the azimuth angle of the signal flag independently of the shaft or of any other signal flags. In the operating state, the signal flag rotates with the shaft.
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