Patent ID: 11878807
Assignee: RAYTHEON COMPANY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
1. An annular sealing system comprising:
an annular seal comprising a flat annular portion extending circumferentially around a longitudinal axis of the flat annular portion and a plurality of independently flexible segments arranged circumferentially around the longitudinal axis and extending obliquely from the flat annular portion toward the longitudinal axis; and
an L-shape or J-shape insulating member axially adjacent to and distinct from the annular seal, the insulating member extending circumferentially around the longitudinal axis and having an axially extending first leg and a radially extending second leg configured to accommodate at least a part of the annular seal in a space between the axially extending first leg and the radially extending second leg, the insulating member being configured to cool airflow passing therethrough; wherein the axially extending first leg is adjacent and contacting the flat annular portion of the annular seal, and the radially extending second leg is adjacent to the plurality of independently flexible segments of the annular seal.