Light beam heater with light source and reflector having two ell

Details Light beam heater with light source and reflector having two ell Light beam heater with light source and reflector having two ell

1995-01-11

1997-10-14

Hoang, Tu B.

Electric resistance heating devices

Heating devices

Radiant heater

392419, 219 8512, F21V 700

Patent

active

056779836

ABSTRACT:
An apparatus for light-beam treatment comprises a radiation concentrator having a reflecting surface which is formed by a first surface of revolution, which is a truncated surface of revolution of a first ellipsoid of revolution, by a second surface which is a truncated surface of revolution of a second ellipsoid of revolution, the concentrator further having an additional reflecting truncated spherical surface located between said first and said second surfaces of revolution. A first and a second focus of the first ellipsoid of revolution are coincident with a first and a second focuses of the second ellipsoid of revolution. The first focus is an emitting one and a gas-discharge light source is positioned therein, and the second focus is a working focus in which a workpiece being treated is placed.

REFERENCES:
patent: 3383540 (1968-05-01), Walters
patent: 3774995 (1973-11-01), Perret
patent: 3798441 (1974-03-01), Wilson
patent: 3801773 (1974-04-01), Matsumi
patent: 4241382 (1980-12-01), Daniel
patent: 4754381 (1988-06-01), Downs
patent: 4858090 (1989-08-01), Downs
patent: 5418420 (1995-05-01), Roberts

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