Angular displacement detecting device utilizing a tubular casing

Details Angular displacement detecting device utilizing a tubular casing Angular displacement detecting device utilizing a tubular casing

1990-12-17

1992-05-26

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25023113, G01D 530

Patent

active

051171040

ABSTRACT:
An angular displacement detecting device is provided with a tubular casing having a chamber in which a liquid is sealed, a floating body disposed in the liquid sealed in the chamber and supported for rotation about a predetermined rotational axis, and a detector for detecting the relative angular displacement between the floating body and the tubular casing about the rotational axis. This device employs a fluoroliquid as the aforesaid liquid.

REFERENCES:
patent: 3796393 (1974-03-01), Beistle
patent: 4835384 (1989-05-01), Jones et al.

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