INFRARED HEATING APPARATUS AND DRYING FURNACE
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United States of America Patent
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app pub date -
Apr 21, 2015
filing date -
Nov 7, 2012
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Abstract
When electromagnetic radiation including infrared radiation is emitted from a filament 41, the infrared radiation passes through the inner pipe 42, reaches a reflection layer 46 that is disposed away from the inner pipe 42 so as to cover only a part of a periphery of the filament 41, and is reflected. At this time, the reflection layer 46 is disposed away from the inner pipe 42, and the reflection layer 46 can be cooled by a coolant flowing through a coolant channel 49. Thus, for example, as compared with a case where the reflection layer 46 is formed on the inner pipe 42, overheating of the reflection layer 46 can be further suppressed.
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