Contact-type infrared temperature sensor for high temperature measurement, thermal apparatus, and exhaust system
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United States of America Patent
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Mar 1, 2016
Grant Date -
Aug 6, 2015
app pub date -
Jul 23, 2013
filing date -
Aug 3, 2012
priority date (Note) -
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Abstract
A contact-type infrared temperature sensor 1 for high temperature measurement is provided with: a heat-resistant cylindrical member 2, having a cylindrical shape with one end as a closed section 21 and the other end as an open section 22; an infrared temperature detecting member 4, disposed facing and spaced from the closed section 21, and including no infrared filter; and an optical function section 33, having an infrared light inlet 31 disposed facing and spaced from the closed section 21 by a predetermined dimension, restricting infrared light radiated from the region spaced between the temperature-sensitive section and the infrared light inlet by the predetermined dimension to a range of the region by the infrared light inlet 31 and guiding the infrared light to the infrared temperature detecting member 4.
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