Patent Number: 6,250,878

Title: Method and assembly for connecting air ducts in gas turbine engines

Abstract: A coupling assembly for connecting the aft end of an air duct to the compressor rear shaft in a gas turbine engine includes a retaining ring disposed in the central bore of the compressor rear shaft. The retaining ring has a first set of tabs extending axially therefrom, and the air duct has a second set of tabs extending axially from its aft end. The aft end of the air duct is disposed in the bore and positioned relative to the retaining ring so that the first set of tabs intermeshes with the second set of tabs.

Inventors: Wesling; Richard A. (Cincinnati, OH), Maloon; Roger E. (Fayetteville, OH), Geiger; Charles J. (West Chester, OH)

Assignee: General Electric Company

International Classification: F01D 5/02 (20060101); F01D 5/06 (20060101); F01D 005/14 ()

Expiration Date: 06/26/2018