Electricity: circuit makers and breakers – Float – Float and pressure
Patent
1983-01-10
1984-08-21
Scott, J. R.
Electricity: circuit makers and breakers
Float
Float and pressure
H01H 3518
Patent
active
044671563
ABSTRACT:
A liquid level sensor switch to indicate whether a sensed liquid is above or below a predetermined level utilizing a generally cylindrical float element that is slightly ballasted along its length so that it is self-orienting with respect to the vertical. Electrically connected contacts are placed at opposite ends of the ballasted float element and are maintained in a proper downward orientation so as to connect and disconnect an electrically conducting path when the liquid level changes about a predetermined level.
REFERENCES:
patent: 1280222 (1918-10-01), Hester
patent: 1768446 (1930-06-01), Gron
patent: 2479503 (1949-08-01), Moore
patent: 2520237 (1950-08-01), Cleary
patent: 3605086 (1971-09-01), Triska
patent: 3750124 (1973-07-01), Barnes et al.
patent: 3774187 (1973-11-01), Windham
patent: 3939470 (1976-02-01), Arai et al.
Dvorak Edwin A.
Nagy, Jr. George
Pniewski Gary A.
Puscasu Boris
Ford Motor Company
Godwin Jr. Paul K.
Sanborn Robert D.
Scott J. R.
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