Replaceable brush seal elements
AssigneeUnited Technologies Corporation
InventorMark E. Addis
Life of this patent
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Abstract
The present invention relates to replaceable brush seal assemblies for use with turbines such as industrial gas turbines. In accordance with the present invention, a brush seal assembly comprises a flange, a brush seal mounted to the flange, and retainers preventing rotation of the brush seal relative to the flange. A method of repairing a brush seal having a back plate, side plate, and bristles is also disclosed. The method comprises the steps of removing the side plate and the bristles from the back plate, and securing a second brush seal to the back plate.
Claims27
A brush seal assembly comprising a flange, a brush seal mounted to said flange, and means for preventing rotation of said brush seal relative to said flange.
A method for repairing a first brush seal having a back plate, a side plate, and bristles, the method comprising the steps of:
- removing said side plate and said bristles from said back plate;
- removing a portion of said back plate;
- and
- securing a replacement brush seal to said back plate.
A replaceable brush seal assembly for use with a structural member having a groove, said brush seal assembly comprising:
- a plate element and a plurality of seal elements secured to said plate element;
- said plate element having a tongue for engaging said groove in said structural member;
- and
- at least one retainer passing through said tongue and said structural member for securing said brush seal assembly in place,
- whereby said brush seal assembly does not move in a radial direction relative to the structural member during operation.
Dependencies are inferred from the claim text.