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A bi-directional fluid flow transducer includes a hollow cylindrical housing which slidably receives a movable hollow cylindrical core which coaxially receives a fixed rod or valve member. A pair of springs are biased to urge the core to a neutral position. The core is displaced from its neutral pos...

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Bibliographische Detailangaben
1. Verfasser:	NELSON, ROGER JOHN
Format:	Patent
Sprache:	ger
Schlagworte:	INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A bi-directional fluid flow transducer includes a hollow cylindrical housing which slidably receives a movable hollow cylindrical core which coaxially receives a fixed rod or valve member. A pair of springs are biased to urge the core to a neutral position. The core is displaced from its neutral position in the direction of fluid flow by an amount linearly proportional to the rate of fluid flow. An LVDT coil and circuit generate an output signal which represents the amount and direction of core displacement.