Hydrometer

Details Hydrometer Hydrometer

1996-07-10

1997-05-20

Dougherty, Elizabeth L.

Measuring and testing

Specific gravity or density of liquid or solid

Float operated indicator

73451, G02N 900

Patent

active

056314205

ABSTRACT:
A hydrometer includes a liquid container defining a measuring chamber. A pointer is pivotally mounted inside the measuring chamber and adapted for indicating the specific gravity of a liquid sample contained in the measuring chamber. The liquid container is mounted with a concealed liquid sample intake pipe adapted for picking up the liquid sample to be measured and delivering the liquid sample to the measuring chamber. The concealed liquid sample intake pipe has a bottom open end extending out of the lowest side of the liquid container and a top open end suspending in the measuring chamber above the upper limit liquid level.

REFERENCES:
patent: 1432773 (1922-10-01), Midgley, Jr.
patent: 3340736 (1967-09-01), Suematsu
patent: 4037481 (1977-07-01), Callahan
patent: 4353253 (1982-10-01), Callahan
patent: 4697454 (1987-10-01), Lu

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