Liquid depth measuring device

Details Liquid depth measuring device Liquid depth measuring device

1983-04-04

1984-09-04

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

G01F 2304

Patent

active

044688598

ABSTRACT:
A liquid depth measuring device for measuring the depth of a liquid in a tank or other receptacle is disclosed. The device includes a vertically arranged outer housing member having a tubular central body portion, a tapered valve seat at the lower end of the body portion, and an annular sliding bearing member at the upper end of the body portion. The device further includes a tubular inner housing member mounted for longitudinal sliding movement through the bearing and extending in concentrically spaced relation within the outer housing member to form an annular space therebetween. A tapered valve member adapted for sealing engagement with the valve seat is carried at the lower end of the inner housing member, and a graduated measuring tape is arranged longitudinally within the inner housing member.

REFERENCES:
patent: 846669 (1907-03-01), Howell
patent: 980320 (1911-01-01), Millea et al.
patent: 1039923 (1912-10-01), Ganey
patent: 1644415 (1927-10-01), Cosgro
patent: 2701919 (1955-02-01), Anderson

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