General Electric Company

Gang Qian

Wendy Wen-Ling Lin

James Bradford Holmes

Sandra Beverly Kolvick

Robert Michael Zirin

Peggy Lynn Baehmann

Shu Ching Quek

Jason Matthew Clark

Bowden Kirkpatrick

Youdong Zhou

Govindarajan Rengarajan

Daryl Paul Capriotti

Christophe Lanaud

Peter Michael Finnigan

Grama Narasimhaprasad Praveen

Xianglei Chen

Kashif Akhtar

A system for repairing dovetail slots includes a slot adaptor having a body configured and disposed to nest between first and second side walls of a dovetail slot, and a tool holder configured to be coupled with the slot adaptor. The tool holder includes a tool guidance system configured and disposed to direct a tool into contact with one of the first and second side walls of the dovetail slot. A cutting tool is mounted in the tool holder. The cutting tool includes a tapered surface configured and disposed to form a tapered recess in the one of the first and second side walls of the dovetail slot.

Method and system for repairing turbomachine dovetail slots

A blade assembly including an outboard blade segment is provided. The outboard blade segment includes an outboard blade shell, first and second outboard bulkheads situated within the outboard blade shell, and an outer box supported by and aligned by the outboard bulkheads. The blade assembly also includes an inboard blade segment including an inboard blade shell, first and second inboard bulkheads situated within the inboard blade shell, and an inner box supported by and aligned by the inboard bulkheads. Further, the inner and the outer boxes are tapered to facilitate insertion of the inner box into the outer box and coupling of the inner and outer boxes.

System and method for joining turbine blades

A turbine blade includes at least two blade segments. Each blade segment includes first and second shells joined together, a base region, at least one joint region including a mating face. Each of the first and second shells includes an outer skin, a base spar cap attached to an inner surface of the outer skin in the base region, a joint spar cap attached to the inner surface of the outer skin in the joint region and adjacent to at least a portion of the base spar cap. The joint spar cap includes holes in the mating face of the joint region. The turbine blade further includes fasteners within the holes for securing the at least two blade segments together.

Turbine blade and method of fabricating the same

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Greenville, SC, United States of America

Gang Qian