General Electric Company

Moses William Warnow

Tod Kenneth Bosel

An annular turbine frame includes a first ring such as a radially outer casing disposed coaxially about an axial centerline axis and having a plurality of circumferentially spaced apart first ports. A plurality of circumferentially spaced apart hollow struts are joined radially to the first ring by a corresponding plurality of collars. Each strut has radially opposite first and second ends, and a through channel extending therebetween. Each of the collars is disposed between a respective one of the strut first ends and the first ring in alignment with a respective one of the first ports for removably joining the struts to the first ring. Each of the collars includes a base disposed against the first ring and has a plurality of mounting holes for receiving mounting bolts therethrough to removably join the base to the first ring. The base has a central aperture aligned with the first port. Each collar mounting hole has a hole counterbore through a radially outer portion of the collar mounting hole. A radially inner portion of the collar mounting hole is threaded to receive and hold a threaded insert which includes inner and outer threaded surfaces. A washer is disposed in the hole counterbore and the mounting bolts are disposed through first ring holes disposed through the first ring, the washer, and screwed into the threaded inner surface of the insert.

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Cincinnati, OH, United States of America

Moses William Warnow