Measuring and testing – Liquid level or depth gauge – With illumination
Patent
1987-07-09
1989-06-06
Cuchlinski, Jr., William A.
Measuring and testing
Liquid level or depth gauge
With illumination
73328, G01F 2302
Patent
active
048360228
ABSTRACT:
This invention relates to a bi-color fluviograph of transmission and reflection type, which increases the intensity of the red and green lights. Colored light sources are used and the principles of transmission and reflection of prism are adopted to transmit or reflect red and green light respectively. When there is some water in it, red color can be seen clearly. When there is no water, green color can be seen clearly. This new fluviograph improves the utilizing condition of the former bi-color fluviograph of transmission and reflection type. It can reduce the frequency of cleaning the steam boiler fluviograph which has no water treatment equipment and it can also used for pressure containers with poisonous and combustible.
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Cuchlinski Jr. William A.
Will Thomas B.
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