Patent ID: 7278258
Filing Date: 2007-10-09
Classification: F02K

Abstract:
1. A seal assembly for sealing an interface between a shaft and a bore formed in a firewall, the shaft having an annular foot extending radially outward therefrom, and a flowpath extending therethrough in fluid communication with the bore, the assembly comprising: a flexible annular seal configured to be disposed concentric to the annular foot, the seal having an inner wall coupled to an outer wall to define a space therebetween, the inner wall having a first and a second flange extending radially inward therefrom, the first and second flanges spaced apart for receiving the annular foot therebetween; a ring disposed concentric to the annular seal, the ring having a sidewall and an annular engagement flange, the sidewall contacting the annular seal and supplying a force against the seal to provide a leak tight fit between the annular seal and the ring, the annular engagement flange extending radially outward from the sidewall; and a plurality of retainers disposed at predetermined locations around the ring, each retainer having a firewall contact section coupled to a ring contact section, the firewall contact section adapted to couple to the firewall and the ring contact section coupled to the annular engagement flange.