Signals and indicators – Indicators – Fluid flow
Patent
1985-09-04
1987-11-10
Frankfort, Charles
Signals and indicators
Indicators
Fluid flow
73323, 73332, 137559, G01F 2302
Patent
active
047049839
ABSTRACT:
A metering sight glass is provided by a body of a transparent glass-like material having its ends polished to provide opposite viewing faces, the body being provided intermediate its length with dual axially aligned transverse passages, one of which provides a metering orifice, and the other of which provides a cavitation chamber positioned adjacent the metering orifice.
REFERENCES:
patent: 820922 (1906-05-01), Einsele
patent: 1176503 (1916-03-01), Walker
patent: 1854727 (1932-04-01), Alkire
patent: 1919172 (1933-07-01), Schmitt
patent: 2570322 (1951-10-01), Christopher
patent: 2585290 (1952-02-01), Walker
patent: 3386461 (1968-06-01), Fisher
patent: 4015816 (1977-04-01), Semon
patent: 4064826 (1977-12-01), Pauli
patent: 4171711 (1979-10-01), Bake et al.
patent: 4221470 (1980-09-01), Weeks
Cenco; Catalogue J-300; Stopcocks, Two-Way Straight Bore; p. 161; dated in Patent Office Nov. 1962.
Frankfort Charles
Scanlon Patrick R.
Victaulic Company of America
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