United Technologies Corporation

Gerald R Rider

Thomas J Madden

Willard J Seibert

Morton K Pearson

In the mounting of an attachment to a base member, an insert which has a centrally located threaded hole and an outer cylindrical surface which has an interference fit with a cooperating hole in the base member and is adapted to receive a bolt extending through the attachment and into said insert, the insert having a head at the end remote from where the attachment is positioned with a flat surface on the head cooperating with a connector device by which turning of the insert in the base member is provided.

Threaded insert

The strut supporting the diffuser to the engine outer case wall which also supports the shaft bearing of a turbine engine is conically shaped having its base located downstream with respect to the flow of the engine working medium and is judiciously angled so that the line of action for the bearing load is aligned to coincide with this angle, pass through the strut and intersect the centerline of the engine and the midpoint of the bearing. This enhances the stiffness of the support, reducing the weight necessary to support the same load. The diffuser case and support from the diffuser to the bearing is offset from the strut to minimize direct radial thermal incompatibility and the diffuser is spaced from the outer engine case wall reducing thermal stresses.

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Glastonbury, CT, United States of America

Gerald R Rider