General Electric Company

Mark Alan Newton

Michael Ericson Friedman

Thomas Robbins Tipton

Dale Robert Lombardo

Roberto Anthony Nunez

Stephen Robert Prince

Mahesh Gopalakrishnan

Yong Soon Phua

Premkumar Rajamohan

Various embodiments include a rotor having a dovetail slot with a bulbous fillet region, and in some cases, recessed inclined bearing surfaces. Various embodiments include methods of forming such a slot in a turbomachine rotor.

Turbomachine rotor having dovetail slot and method of machining

An axial retention system for restraining axial movement of a machine component having a dovetail within a complimentary-shaped dovetail slot includes: a first substantially T-shaped groove formed in a bottom surface of the dovetail slot; a second substantially T-shaped groove formed in a bottom surface of the dovetail, the first and second grooves in alignment when the dovetail is located within the dovetail slot to thereby form a closed periphery substantially T-shaped slot having a stem portion and a lateral cross portion at one end of the stem component, wherein the other end of the stem is open; and a compressible locking clip adapted for insertion within the substantially T-shaped slot, the locking clip having a pair of oppositely extending lugs receivable in opposite ends of the lateral cross portion.

Axial compressor blade retention

An axial retention system for restraining axial movement of a first machine component having a dovetail within a complimentary-shaped dovetail slot in a second machine component that includes a first curved groove formed in a bottom surface of the dovetail slot and a second curved groove formed in a bottom surface of the dovetail. The first and second grooves are in alignment when the dovetail is located within the dovetail slot to thereby form a closed periphery aperture. A curved locking clip is received within the closed periphery aperture. An optional cover plate may be placed over the ends of the locking clip, with ends of the locking clip deformed by, for example, swaging.

Machine component retention

Growing community of inventors

Greenville, SC, United States of America

Mark Alan Newton