Solid state illuminator for bi-colour ported water level gauges

G - Physics – 01 – F

Patent

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Details

G01F 23/02 (2006.01) G01F 23/292 (2006.01)

Patent

CA 2465601

A solid state illuminator and display means are provided for bi-coloured ported water level gauges suitable for use in high pressure steam drums or similar water/steam devices to facilitate malting an accurate determination of water level in such a device. The illuminator comprises an array of bi-coloured solid state light emitting diodes (LEDs), as the light source, and a precision lens to focus the light provided from the LEDs through a gauge body and onto the view screen. Image

L'invention concerne un illuminateur à semi-conducteurs et un dispositif d'affichage pour des indicateurs de niveau d'eau à orifices bicolores convenant à une utilisation dans des collecteurs de vapeur haute pression ou des dispositifs à eau/vapeur similaires, pour faciliter la détermination précise du niveau d'eau dans un tel dispositif. L'illuminateur comprend un ensemble de diodes électroluminescentes à semi-conducteurs bicolores (DEL), en tant que source lumineuse, ainsi qu'une lentille de précision pour focaliser la lumière provenant des DEL à travers un corps d'indicateur et sur l'écran de visualisation.

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