Ultraviolet irradiation apparatus
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United States of America Patent
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Nov 22, 2016
Grant Date -
Feb 18, 2016
app pub date -
Aug 14, 2014
filing date -
Aug 14, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An ultraviolet irradiation device that is used for a fluid to be irradiated having a low ultraviolet ray transmissivity, a spirally wound tube in which the fluid to be irradiated flows is supported and fixed, and an irradiation amount of ultraviolet rays with which the fluid is irradiated is increased. A tube 3 having ultraviolet ray transmitting property is spirally wound on an outer circumferential surface of a support pipe 5, a plurality of ultraviolet lamps 7 are disposed around an axis of the support pipe apart from the tube, an inner case 9 that supports the support pipe and that encloses the plurality of ultraviolet lamps is provided, and a fluid flows in the tube and is irradiated with ultraviolet rays. The tube which is a fluid channel is thereby fixed to the support pipe, so that breakage of the tube and the ultraviolet lamps 7 can be prevented.
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