Patent ID: 8127795
Filing Date: 2012-03-06
Classification: F01D,F02C,Y02E,Y10T

Abstract:
1. A diverter damper seal land for installation in a flue gas duct defined by a casing wall, the diverter damper seal land comprising: a front seal land having a length, an outer edge extending along its length and an inner edge extending along its length spaced from the outer edge and defining an elongate front sealing surface on its front side between the outer edge and the inner edge; and a rear seal land having a length, a base edge extending along its length and an opposite edge extending along its length spaced from the base edge and defining an elongate rear sealing surface on its front side between the base edge and the opposite edge, the front seal land mountable in the duct by a connection between the outer edge and the casing wall and the front seal land and the rear seal land being formed of a single sheet of material bent such that the rear seal land extends at its base edge from the inner edge of the front seal land and the rear seal land is spaced back and radially inwardly from the front seal land such that the rear seal land protrudes radially inwardly behind the front seal land.