Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent
1984-04-13
1986-04-08
Ramsey, Kenneth J.
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
445 22, H01J 926
Patent
active
045809895
ABSTRACT:
A metal halide arc discharge lamp having a gaseous fill within the outer envelope and means for suppressing convection currents within such fill; and methods of operating and constructing such lamps. A light-transmissive sleeve or enclosure surrounding the arc tube laterally and about at least one end thereof is so shaped and mounted with respect to the arc tube as to insure that the Rayleigh Number, a quantitative measure of convective flow, in the atmosphere laterally surrounding the arc tube will be less than 5.times.10.sup.4 during operation of the lamp whereby excessive convective heat loss in such lamp will be effectively suppressed.
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patent: 4401913 (1983-08-01), Koza et al.
Fohl Timothy
Keeffe William M.
Rothwell Harold L.
GTE Products Corporation
McNeill William H.
Ramsey Kenneth J.
Romanow Joseph S.
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