Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent
1978-09-11
1981-03-03
Demeo, Palmer C.
Electric lamp and discharge devices
With temperature modifier
Double wall, jacket or casing for envelope
313184, H01J 548, H01J 6130
Patent
active
042543550
ABSTRACT:
An improved mounting of the ceramic arc tube on a support rod attached to one lead-in within an outer vitreous envelope allows for thermal expansion. The inlead at one end of the arc tube is fastened to the support rod which serves also as conductor, while that at the other end extends through an insulating bushing supported from the rod and is connected by a curved flexible conductor to the other lead-in of the outer envelope. Differential thermal expansion is accommodated by sliding of the inlead through the bushing and flexing of the curved conductor.
REFERENCES:
patent: 2240333 (1941-04-01), Hodge
patent: 3882346 (1973-05-01), McVey
patent: 4065691 (1977-12-01), McVey
DeMeo Palmer C.
General Electric Company
Kempton Lawrence R.
Legree Ernest W.
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