Circuit breaker by-pass element

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Electric switch inside evacuated or gas filled envelope

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Details

315104, 315106, 337 24, 337 25, 337 27, 337110, 337159, H01J 744, H05B 4106

Patent

active

045284792

ABSTRACT:
A circuit breaker for a rapid-start fluorescent lamp includes a pair of electrical conductors sealed into a glass bottle, a bimetal switch within the bottle having one end affixed and the other end contacting the pair of electrical conductors and a meltable by-pass element shunting the pair of electrical conductors and formed of a material having a relatively high cold resistivity and a low temperature coefficient of resistance.

REFERENCES:
patent: 4013919 (1977-03-01), Corbley
patent: 4097779 (1978-06-01), Latassa
patent: 4171519 (1979-10-01), Cassidy et al.
patent: 4355261 (1982-10-01), Cohen et al.
patent: 4388557 (1983-06-01), Shaffer
patent: 4412152 (1983-10-01), Barakitis et al.
patent: 4415836 (1983-11-01), Decuester et al.
patent: 4419607 (1983-12-01), Barakitis et al.
patent: 4465954 (1984-08-01), Barakitis

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