FIELD: motors and pumps.
SUBSTANCE: extensible casing surrounds internal high pressure compressor housing and contains flange to be fixed to the upstream flange of combustion chamber housing. At least, one hollow is provided between flanges and around circle where gas flow bled from combustion chamber inlet circulates inside. Besides, natural circulation resulting from pressure drops is used. Owing to control device application in accordance with the invention, thermal flange expansion is passively adjusted and stresses resulting from different expansions of housing casing and attached flange are reduced.
EFFECT: reduction of stresses resulting from different expansions of housing casing and attached flange.
10 cl, 5 dwg
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