Packaged arc lamp and cooling assembly in a plug-in module

Details Packaged arc lamp and cooling assembly in a plug-in module Packaged arc lamp and cooling assembly in a plug-in module

1995-04-13

1996-10-01

O'Shea, Sandra L.

Electric lamp and discharge devices

With temperature modifier

Having heat conducting path

313 24, 313 35, 361688, 361694, 361704, 361707, 165185, 165 803, H01J 102, F28F 700, H05K 720

Patent

active

055613381

ABSTRACT:
A drop-in arc lamp assembly comprising an arc lamp with fitted cathode and anode heat sinks each including a thin-wall copper strip that is brazed in pleated folds between inner and outer cylindrical rings to create cooling fins. The drop-in lamp assembly also includes an insulative sleeve in which the arc lamp and heat sinks are disposed and a pair of connection bushings piercing the wall of the sleeve and providing an electrical connection to the arc lamp outside the sleeve. A flush-mount receptacle for the drop-in lamp assembly includes a housing with a fan axially positioned behind the arc lamp and heat sinks when they are in place in the sleeve and dropped-into the housing. A glass epoxy board attached to the housing supports and insulates electrical terminals that contact the bushings to power the arc lamp. The arc lamp includes a copper heat conduction flange that surrounds a front window reduced in diameter from the diameter of the arc lamp. The flange conducts heat generated in the window during operation directly to the cathode heat sink. Both heat sinks are forced-air cooled by the fan.

REFERENCES:
patent: 4546420 (1985-10-01), Wheeler
patent: 4633128 (1986-12-01), Roberts

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