Siemens Westinghouse Power Corporation

Siemens Power Generation, Inc.

Siemens Energy, Inc.

Roy Kyle Holbert

Peter Jon Ditzel

William E Kepes

Stanley S Sattinger

Douglas Dean Darling

A weld preparation process that translates a consumable or nonconsumable tool over an area that is subsequently to be welded to impart friction heating to the surface. Rotary or linearly oscillated motion between the tool and the workpiece is used to generate heat and produce deformation in the surface, resulting in recrystallization of the area being processed and a compressive residual stress.

Friction processing weld preparation

A resonator module for a combustion turbine power plant, where the combustion turbine power plant defines a flow path. The resonator module includes a first member, an a second member. The first member has a size substantially smaller than the diameter of said flow path and a plurality of openings therethrough. The openings are in fluid communication with the flow path. The second member has a size generally equal to said first member. The second member is in a generally spaced relation to the first member and encloses a volume of gas between the first and second members.

Modular resonators for suppressing combustion instabilities in gas turbine power plants

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Oviedo, FL, United States of America

Roy Kyle Holbert