Measuring and testing – Liquid level or depth gauge – Float
Patent
1982-03-24
1984-11-20
Swisher, S. Clement
Measuring and testing
Liquid level or depth gauge
Float
340624, 340625, 73319, 73313, 73309, 376245, G01F 2310
Patent
active
044831927
ABSTRACT:
A water level indicator for a pressure vessel is provided which employs a plurality of vertically spaced cantilevered mounted spring members. The free end of each spring member is connected to a depending float member. The float member has sufficient mass and density to depress its spring member when the float member is in a gaseous medium. The float member has sufficient buoyancy to elevate its spring member when the float member is in a water medium. One or more strain gauges is secured to each spring member to indicate the instantaneous position of the spring member and thereby provide an indication of the instantaneous water level.
REFERENCES:
patent: 2460503 (1949-02-01), Howe
patent: 2516452 (1950-07-01), De Giers et al.
patent: 3119268 (1964-01-01), Stanley
patent: 3443437 (1969-05-01), Skalka
patent: 3545272 (1970-12-01), McGill
patent: 3572110 (1971-03-01), James et al.
Murray Thomas H.
Noland Tom
Poff Clifford A.
Swisher S. Clement
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