Compact germicidal lamp having multiple wavelengths

Details Compact germicidal lamp having multiple wavelengths Compact germicidal lamp having multiple wavelengths

2007-02-06

2007-02-06

Vanore, David A. (Department: 2881)

Radiant energy

Supported for nonsignalling objects of irradiation

With source support

C313S493000, C313S490000

Reexamination Certificate

active

10849375

ABSTRACT:
A compact germicidal lamp having a plurality of adjacent parallel glass cylinders capable of transmitting different wavelengths of ultraviolet radiation connected by a perpendicular glass tube. A first glass cylinder made of a doped quartz material and capable of transmitting ultraviolet radiation in the wavelength range of approximately 254 nanometers is positioned adjacent a second glass cylinder made of a quartz material capable of transmitting ultraviolet radiation in the wavelength range of approximately 185 nanometers. The first and second glass cylinders are connected by a perpendicular glass tube. The compact germicidal lamp, when used in a germicidal system, provides effective germicidal action in a small space. The germicidal lamp of the present invention is more easily manufactured than prior germicidal lamps and can be made having a high power.

REFERENCES:
patent: 4545774 (1985-10-01), Van Gils et al.
patent: 5003220 (1991-03-01), Fohl et al.
patent: 5294867 (1994-03-01), Grossman
patent: 6417615 (2002-07-01), Yasuda et al.
patent: 6657375 (2003-12-01), Goud
patent: 6664726 (2003-12-01), Magai
patent: 6719465 (2004-04-01), Earle et al.
patent: 6771024 (2004-08-01), Sudou et al.

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