초록 ▼

A turbine suitable for a gas turbine engine is provided with a stage of rotary aerofoil blades which is surrounded by a shroud ring made of silicon nitride. In order to minimize load transfer between the shroud ring and the turbine casing the shroud ring is radially supported by and radially spaced

A turbine suitable for a gas turbine engine is provided with a stage of rotary aerofoil blades which is surrounded by a shroud ring made of silicon nitride. In order to minimize load transfer between the shroud ring and the turbine casing the shroud ring is radially supported by and radially spaced apart from the turbine casing by an annular brush seal.

대표청구항 ▼

A structure comprising; an annular support member; an annular component, said annular support membersurrounding said annular component, and said annular component being continuous and being capable of floating radially relative to said support member; and sealing means resiliently supporting said an

A structure comprising; an annular support member; an annular component, said annular support membersurrounding said annular component, and said annular component being continuous and being capable of floating radially relative to said support member; and sealing means resiliently supporting said annular component from said support member in spaced relationship therewith while permitting said annular component to have independent floating radial movement relative to said annular support member without any significant load transfer therebetween, said sealing means including an array of upstanding resilient filaments having fixed ends and free ends, said fixed ends of said array of upstanding resilient filaments being fixed to one of said annular support member and said annular component and the free ends of said annular array of filaments engaging the other of said annular support member and said annular component, said array of upstanding resilient filaments defining a brush seal between said annular support member and said annular component.