Encapsulated magnet position switch
Abstract:
An encapsulated magnet position switch includes a non-magnetic tubular body including a first end wall closing a first end of the tubular body and an oppositely positioned second end wall closing a second end of the tubular body. Multiple equally angularly spaced non-magnetic guide rails are connected to an inner wall of the tubular body between the first end wall and the second end wall. A spherical shaped magnetic ball is positioned within the tubular body and is retained between the first end wall and the second end wall. The magnetic ball is longitudinally guided by the multiple guide rails coaxial to a longitudinal axis of the tubular body. Multiple sensors are positioned along the tubular body and are connected to a Hall effect switch, the sensors sensing and signaling a longitudinal position of the magnetic ball within the tubular body.
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