Cooling liquid recirculation system for light source unit

Details Cooling liquid recirculation system for light source unit Cooling liquid recirculation system for light source unit

1989-11-02

1992-09-15

Cole, Richard R.

Illumination

Elongated source light unit or support

With ventilating or cooling means

362293, 362294, 362318, 362373, 16510432, 16510433, 313 22, 313 36, F21V 2900

Patent

active

051471302

ABSTRACT:
In a cooling liquid recirculation system, walls of transparent jacket tubes for cooling a mercury-vapor lamp, which jacket tubes are provided separately from the mercury-vapor in accordance with the prior art are formed in optical filters to thereby decrease the temperature of an object to be illuminated. A recirculation unit of cooling liquid for recirculation of the jacket tubes is connected through an elastic duct to a light source unit such as a mercury-vapor lamp. These components are movable for practical use.

REFERENCES:
patent: 3372740 (1968-03-01), Kastovich et al.
patent: 3624380 (1971-11-01), Davis
patent: 3739215 (1973-06-01), Murai
patent: 4047561 (1977-09-01), Jaster et al.
patent: 4509104 (1985-04-01), Suzuki et al.
patent: 4813477 (1989-03-01), Hansen et al.
patent: 4865123 (1989-09-01), Kawashima et al.
patent: 4937717 (1990-06-01), Betzvog, Jr.

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