Infrared radiator that is designed as surface radiator
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United States of America Patent
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-
Jun 10, 2003
Grant Date -
N/A
app pub date -
Jul 12, 2001
filing date -
Jan 14, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An infrared irradiating heater having a radiating body with a housing comprised of a ceramic and having a planar radiating surface, a multiplicity of substantially flame-free passages extending perpendicular to the surface and opening at the surface, and a rear surface, the passages extending to the rear surface, the passages having lengths less than 300 mm, the total cross sectional area of the passages at the planar radiating surface being in a ratio to the area thereof in excess of 50%, and the passages having length to maximum diameter ratios of at least 5. A burner plate spaced from the rear surface defines a combustion chamber with it so that the combustion is effected substantially only in this combustion chamber and the passages are free from flame and serve as radiator surfaces.
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