18672309. BATHTUB SEAL FOR DAMPING CMC VANE PLATFORM (RTX Corporation)
Contents
BATHTUB SEAL FOR DAMPING CMC VANE PLATFORM
Organization Name
Inventor(s)
Thomas S. Heylmun of Palm City FL (US)
Cheng Gao of South Glastonbury CT (US)
David J. Wasserman of Hamden CT (US)
BATHTUB SEAL FOR DAMPING CMC VANE PLATFORM
This abstract first appeared for US patent application 18672309 titled 'BATHTUB SEAL FOR DAMPING CMC VANE PLATFORM
Original Abstract Submitted
A vane assembly includes a vane having an outer platform with mount structure and an airfoil extending inwardly from the outer platform and formed of ceramic matrix composites (“CMC”). The vane having an internal cooling chamber. A metal baffle is received within the internal cooling chamber and extends beyond the outer platform. A bathtub seal has a central portion receiving the metal baffle. The metal baffle has a central chamber and cooling air holes to deliver cooling air into the internal cooling chamber. The bathtub seal having an inner wall and an outer wall outward of the metal baffle. The inner wall, the outer wall and a base wall define a bathtub seal chamber. The base wall is in contact with the outer platform. The vane is connected to the outer wall. The static structure is received within the bathtub seal chamber. A connection is configured to deliver pressurized air to the bathtub seal chamber. A gas turbine engine is also disclosed.
