Patent ID: 7857585
Filing Date: 2010-12-28
Classification: F01D

Abstract:
1. A gas turbine engine comprising a casing surrounding a rotary assembly and a manifold secured to the casing via a securing arrangement, the manifold being configured to carry air, the securing arrangement comprising: a bracket that is separate from the casing and the manifold, wherein the bracket comprises two opposing wall members in a central part of the bracket, and attachment lugs at two end portions of the bracket, the bracket that includes the two opposing wall members and the attachment lugs is a one-piece member, and the two opposing wall members define a recess; a radially outwardly extending part of the casing located between the wall members of the bracket; a securing unit that extends through the wall members of the bracket and the radially outwardly extending part of the casing; and fasteners that fasten the attachment lugs of the bracket to the manifold; wherein: the bracket is located between the manifold and the casing, and the bracket is secured to the casing through the wall members at the central part of the bracket and is secured to the manifold through the attachment lugs at both end portions of the bracket, and the manifold comprises an inner wall that faces the bracket, the inner wall has a configuration corresponding to a configuration of the bracket including the two opposite wall members, and the inner wall has a plurality of apertures through which the air is configured to flow and impinge on the casing including the radially outwardly extending part.