Abstract of EP1296021 A flange (20) for connection between an axial compressor and high-pressure rotor disc unit in a gas turbine, wherein the flange (20) has a body (22) with a frusto-conical shape which is joined to a shaft of the axial compressor by means of a hub (24) which has a cylindrical shape and which, at the larger base of the frustum of the cone of the body (22) is connected to the rotor disc unit by means of an extension (26) of the hub in the form of a circular ring, a circumferential recess (28) provided in a surface (29) of the extension (26) which faces the rotor disc unit being connected by interference with a projection, which is complementary to the recess and is provided on the rotor disc unit; the body (22) has an outer generatrix which is inclined relative to the direction at right-angles to the axis (X) by an angle alpha 1 of between 25 DEG and 35 DEG and an inner generatrix which is inclined by an angle alpha 2 of between 12 DEG and 18 DEG .
https://app.acclaimip.com/pdf/ihgU4vDTF4JaGBSHFdMXjjGekEjuolhg89oY_4s/EP1296021B1
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