Indirect liquid level measurement

Details Indirect liquid level measurement Indirect liquid level measurement

2008-06-24

2008-06-24

Larkin, Daniel S. (Department: 2856)

Measuring and testing

Liquid level or depth gauge

C073S299000, C073S301000, C073S29000R, C210S086000

Reexamination Certificate

active

07389688

ABSTRACT:
A tank level detection apparatus for indirect measurement of a liquid level in a tank is disclosed. The apparatus includes a second liquid at least partially stored in a reservoir and a one-way valve, which communicates between the reservoir and the tank. A sensor is used to determine a physical characteristic of second liquid from which the level of the liquid in the tank can be determined.

REFERENCES:
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patent: 6467343 (2002-10-01), Baird
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patent: 2005/0189275 (2005-09-01), Stewart
Sample p. 220 from 2003 RV Parts & Accessories Catalog provided by www.delcaminorv.com.

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