FIBER-OPTIC PRESSURE INDICATOR Russian patent published in 2006 - IPC G01L11/02 

FIELD: engineering of fiber-optic pressure indicators.

SUBSTANCE: indicator has sensitive element, light source, light guides, registration equipment. Indicator is equipped with directing lens, analyzer, receiving lens. Sensitive element is equipped with a plate made of optically active material with an aperture. Aperture is positioned in the center if plate symmetry. Plate is connected to membrane through rigid insert and ball. Ball is positioned on the symmetry axis of plate., movement limiter for sensitive element in vertical plane is mounted in parallel to membrane in groove of body. As light source, source of polarized light is utilized.

EFFECT: simplified construction of device, improved precision of measurements.

3 cl