Glow discharge starter containing cylindrical capacitor

Details Glow discharge starter containing cylindrical capacitor Glow discharge starter containing cylindrical capacitor

1988-11-28

1990-03-27

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Electric switch inside evacuated or gas filled envelope

337 22, 337 24, H01H 6100

Patent

active

049123700

ABSTRACT:
A glow discharge starter having an integral thermal protector includes a glow bottle having an hermetically sealed discharge envelope containing an ionizable medium, a bimetallic electrode and a counter electrode. A pair of conductors extend from the main body of a radio frequency suppressing capacitor and electrically couple respective electrodes of the glow bottle. The cylindrically-shaped main body of the capacitor is coaxially positioned with respect to the discharge envelope so as to be responsive to heat generated within the envelope. When an abnormal temperature limit (e.g., 450 degrees Celsius) is reached by the discharge envelope, a short circuit is created within the main body of the capacitor and extinguishes the discharge.

REFERENCES:
patent: 3780327 (1973-12-01), Veruaart et al.
patent: 3887847 (1975-06-01), de Graaf et al.
patent: 4646050 (1987-02-01), Kling et al.

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