Thermal and acoustic insulation assembly and method for an exhaust duct of a rotary machine
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United States of America Patent
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Sep 11, 2018
Grant Date -
Nov 26, 2015
app pub date -
Dec 12, 2014
filing date -
May 23, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A thermal acoustic insulation structure including: a metal internal sheet having an exposed surface configured to be exposed to a hot gas, an external sheet and an insulation sandwiched between the internal and external sheets; a bar secured to the metal internal sheet and extending through at least a portion of the insulation; a bracket connected to the external sheet or to a support plate extending from the external sheet, wherein the bracket includes an opening configured to receive an end of the bar; a fastener securing the end of the bar to the bracket, and an insulating washer separating the bracket from the bar and the fastener.
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