Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – With bimetallic elements
Patent
1976-11-22
1978-07-11
Harris, George
Electricity: electrothermally or thermally actuated switches
Electrothermally actuated switches
With bimetallic elements
337 94, A01H 6108
Patent
active
041005228
ABSTRACT:
A circuit breaker which has an adjustable setting includes a first pair of bars for connecting the circuit breaker to a current supply, and a second pair of bars for connecting it to a load. The circuit-breaker current-supply connecting bars are normally in contact with the circuit-breaker load-connecting bars, and one of the pairs of bars is adapted to be released from contact with the other pair of bars at a predetermined release point upon the application of a predetermined amount of heat to the pairs of bars. An adjustment device is provided for varying the release point of the one pair of bars from the other pair of bars, so that upon a predetermined current passing through the pair of bars, the one pair of bars is heated to the predetermined amount of heat and released from contact with the other pair of bars.
REFERENCES:
patent: 3193647 (1965-07-01), Beaudoin et al.
patent: 3240906 (1966-03-01), Huffman
patent: 3386061 (1968-05-01), Delafrange
patent: 3422384 (1969-01-01), Filchak et al.
patent: 3710294 (1973-01-01), Dries
Harris George
Teltscher Erwin S.
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