Tubular vortex in construction of tubes for cooling air guide in compressor of gas turbine, has secondary air tube with attachment shoulder which fits in radial inner side opposite to an attachment of compressor disc

摘要

Tubular vortex has secondary air tube with an attachment shoulder to a radially inner region. The attachment shoulder (3) fits into the radial inner side opposite to an attachment (4) of the compressor disc (2) provided with a recess for lead-in of the secondary air tube (1). The radial inner region of the secondary air tube is fixed by means of a safety ring (5).