Mercury arc lamp having communicating mercury reservoir

Details Mercury arc lamp having communicating mercury reservoir Mercury arc lamp having communicating mercury reservoir

1979-03-21

1981-10-13

Segal, Robert

Electric lamp and discharge devices

Liquid electrode discharge devices

Auxiliary starting or holding electrode

313180, 313227, H01J 6128, H01J 6130

Patent

active

042950740

ABSTRACT:
A mercury arc lamp envelope has a first internal bore including a pair of spaced apart regions with lead-in conductors terminating in electrodes, said conductors being sealed in said envelope and extending through said regions. Pools of mercury are retained within the regions and around the electrodes. At least one chamber, having a reservoir of mercury, communicates through a second internal bore with one of the regions. The chamber is remote from the regions.

REFERENCES:
patent: 1971939 (1934-08-01), Pirani
patent: 2307502 (1943-01-01), Gordon et al.
patent: 2961564 (1960-11-01), Kenty
patent: 4156826 (1979-05-01), Hernqvist

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