SUPPORT OF GAS TURBINE ENGINE Russian patent published in 2000 - IPC

FIELD: mechanical engineering; engines. SUBSTANCE: support of gas turbine engine has housing with cover bolted to housing and limiting oil space of support. Cover has inner and outer walls with ring air space in between communicating with cooling air inlet holes. Outer wall of cover has flange with ring zigzag rib successively enclosing heads of bolts and air inlet holes in cover inner wall and separating holes for bolts and cooling air inlet holes. Flange is designed for fastening cover to support. Bolt pitch t is equal to t=4-10h where h is height of zigzag rib equal to distance between outer walls of flanges of inner and outer covers. EFFECT: improved reliability of engine owing to provision of adequate sealing and blowing of oil space with cooling air. 2 cl, 3 dwg