Liquid level indicator for humidifier

Details Liquid level indicator for humidifier Liquid level indicator for humidifier

1985-04-01

1987-02-24

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

With illumination

2611191, G01F 2302

Patent

active

046447903

ABSTRACT:
A liquid level indicator comprising a liquid storing tank for storing liquid therein containing a first transparent portion and a second transparent portion; a mounting member of the liquid storing tank therein containing a third transparent portion and a fourth transparent portion; a non-transparent cover of the liquid storing tank within the mounting member; and a lamp for emitting light into the liquid tank through the fourth transparent portion of the mounting member and the second transparent portion of the liquid storing tank, the light being reflected at the surface of the liquid level to pass through the first transparent portion of the liquid storing tank and the third transparent portion of the mounting member whereby the level of the liquid can be noted from outside the liquid storing tank.

REFERENCES:
patent: 2596897 (1952-05-01), Haatvedt
patent: 3242794 (1966-03-01), Crane
patent: 3511572 (1970-05-01), Peube et al.
patent: 3523175 (1970-08-01), Gygax
patent: 3713338 (1973-01-01), Kind
patent: 4031171 (1977-06-01), Asao et al.
patent: 4303601 (1981-12-01), Grimm et al.
patent: 4450722 (1984-05-01), Keyes, IV et al.

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