US Patent 11391162 Spar with embedded plenum passage
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Patent Inventor Names
Howard J. Liles0
Jon E. Sobanski0
Edits on 29 Apr, 2023
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Patent Number
113911620
Date of Patent
July 19, 2022
0Patent Application Number
171220170
Date Filed
December 15, 2020
0Patent Citations
Patent Primary Examiner
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Edits on 20 Jul, 2022
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US Patent 11391162 Spar with embedded plenum passage
Article
A spar for a vane arc segment of a gas turbine engine includes an elongated spar leg that has a spar wall that circumscribes a core passage. There is a plenum passage embedded in the spar wall between inner and outer portions of the spar wall. The inner portion of the spar wall is fully solid such that the plenum passage is fluidly isolated from the core passage. The outer portion of the spar wall has a plurality of cooling through-holes for emitting cooling air from the plenum passage.
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Patent jurisdiction
Patent number
11391162
Date of patent
July 19, 2022
Patent application number
17122017
Date Filed
December 15, 2020
Patent citations
Patent primary examiner
CPC Code
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