Manometer type apparatus with improvement

Details Manometer type apparatus with improvement Manometer type apparatus with improvement

1981-02-25

1983-06-07

Woodiel, Donald O.

Measuring and testing

Liquid level or depth gauge

Hydrostatic pressure type

73747, G01F 2314

Patent

active

043865240

ABSTRACT:
A manometer type instrument with an open leg above an indicator fluid. It is subject to immersion in a body of liquid, the change in level of which is to be measured. It includes an improvement which eliminates the formation of a capillary seal at the top of the open leg. The improvement uses a relatively thin wire that is supported so as to extend down into the open leg far enough to reach through the capillary seal.

REFERENCES:
patent: 1999272 (1935-04-01), Austin
patent: 3173298 (1965-03-01), Gilmont
patent: 3374324 (1968-03-01), McGrann
patent: 4182178 (1980-01-01), Nolte

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