Patent ID: 6497105
Filing Date: 2002-12-24
Classification: F23R,Y10T

Abstract:
A head part of an annular combustor for a gas turbine engine, comprising:an annular upstream end wall with a plurality of passage openings circumferentially spaced apart from one another, each passage opening accommodating a fuel burner, a heat shield detachably secured to a downstream side of the upstream end wall and covering an inner surface thereof; a burner collar positioned within each of the passage openings and accommodating a corresponding one of the fuel burner, the burner collar having a radial flange with opposed first and second annular radial surfaces; and the burner collar being axially restrained directly by the upstream end wall and the heat shield in a manner wherein a radial surface of the downstream side of the upstream end wall abuts the first annular radial surface of the flange, and a radial surface of an upstream side of the heat shield abuts the second annular radial surface of the flange such that the burner collar is radially displaceable with respect to the upstream end wall.