United Technologies Corporation

Raytheon Technologies Corporation

William G Askey

Steven M Hopkins

Steven Wayne Burd

John T Ols

Meggan Harris

A unitary one-piece hub has first and second rings and a midsection arranged between the first and second rings. The midsection includes a plurality of windows configured to receive a plurality of cross members. The windows include a lip configured to surround the cross members. A gas turbine engine and a method of providing a hub for a gas turbine engine are also disclosed.

Gas turbine hub

A process is described for producing forged ring articles from high strength, high temperature materials such as superalloys and titanium alloys. The material to be forged is conditioned and placed into a condition of low strength and high ductility. This starting material is then back extruded to produce a cup. The cup can be sliced into rings in which can thereafter be final forged to a particular contour.

Ring forging process

A process for forging hollow elongated articles from superalloys and titanium alloys. The process employs preconditioned material which has low strength and high ductility. The process is performed in a forging press and has an initial step which converts a preform into a intermediate shape by press motion which produces radial outward workpiece flow. Press punch geometry is then changed and the operation continues with radial inward flow about a mandrel.

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Jupiter, FL, United States of America

William G Askey