VARIABLE PITCH LINEAR DISPLACEMENT SENSOR

A linear contactless displacement sensor assembly is provided. The sensor assembly can include a shaft configured to translate linearly, and a sleeve rotatably coupled about the shaft and linearly fixed such that the shaft can linearly translate through the sleeve as the sleeve rotates. The sleeve i...

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Bibliographische Detailangaben
Hauptverfasser:	JACQUES, Timothy, TATE, Shaun, MASTORY, Constantine
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	A linear contactless displacement sensor assembly is provided. The sensor assembly can include a shaft configured to translate linearly, and a sleeve rotatably coupled about the shaft and linearly fixed such that the shaft can linearly translate through the sleeve as the sleeve rotates. The sleeve includes an outer surface having a threading that varies in pitch. A tooth is disposed in the threading and fixed on a linear track such that the tooth moves linearly as the sleeve rotates. A sensor is configured to sense a location of the tooth along the linear track. This allows the sensor assembly to measure an amount of linear movement and a corresponding amount of rotation of the sleeve.