An air cycle system for a gas turbine engine includes a heat exchanger (20) having an air cycle inlet. An air cycle machine (30) includes an air cycle machine outlet and an annular flexible interface coupling (40) connecting the air cycle inlet to the outlet. The flexible interface coupling (40) includes a receiving portion (210) having a flared region (212) across which a diameter of a heat exchanger portion increases and a landing portion (216) across which the diameter of the heat exchanger portion is maintained. An air cycle machine portion (220) is received in the receiving portion (210) and includes an outlet flange (224) and a diffuser (226) radially inward of the outlet flange (224). The outlet flange (224) includes a radially outward facing surface contacting a radially inward facing surface of the landing portion (216). The diffuser (226) is configured to move axially and radially relative to the outlet flange (224).
FLEXIBLE INTERFACE COUPLING
FLEXIBLE SCHNITTSTELLENKUPPLUNG
COUPLAGE D'INTERFACE FLEXIBLE
09.07.2025
Patent
Elektronische Ressource
Englisch
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