Nosecones for turbine engine
AssigneesROLLS-ROYCE plc, Rolls-Royce North American Technologies Inc.
InventorsMatthew J. Kappes, Robert W. Heeter, Daniel E. Molnar, JR., Matthew Hartzler
Life of this patent
Estimating the term…
Abstract
A nosecone for a gas turbine engine includes a nosecone body. The nosecone body is substantially symmetrical around a central axis. The nosecone body includes a side wall which defines a diameter of the nosecone body that increases from a forward side of the nosecone body to an aft side of the nosecone body. The nosecone includes an attachment assembly. The attachment assembly is configured to attach the nosecone body to the gas turbine engine. At least one of the nosecone body or the attachment assembly comprises a tear-resistant fiber.
Claims20
A nosecone for a gas turbine engine, the nosecone comprising:
- a nosecone body, the nosecone body substantially symmetrical around a central axis, the nosecone body including a side wall defining a diameter of the nosecone body that increases from a forward side of the nosecone body to an aft side of the nosecone body, and
- an attachment assembly, the attachment assembly configured to attach the nosecone body to the gas turbine engine, wherein:
- at least one of the nosecone body or the attachment assembly comprises a tear-resistant fiber,
- the tear-resistant fiber comprises a poly (p-phenylene-2,6-benzobisoxazole) (PBO) fiber, and
- the tear-resistant fiber is integrated as a middle layer of the side wall and is protected from an external environment of the nosecone by one or more external layers disposed over the middle layer and from an internal environment of the nosecone by one or more internal layers disposed under the middle layer.
3-6. (canceled)
A gas turbine engine, the gas turbine engine comprising:
- a nosecone, the nosecone comprising:
- a nosecone body, the nosecone body substantially symmetrical around a central axis, the nosecone body including a side wall defining a diameter of the nosecone body that increases from a forward side of the nosecone body to an aft side of the nosecone body, and
- an attachment assembly, the attachment assembly configured to attach the nosecone body to the gas turbine engine, wherein:
- at least one of the nosecone body or the attachment assembly comprises a tear-resistant fiber,
- the tear-resistant fiber comprises a poly (p-phenylene-2,6-benzobisoxazole) (PBO) fiber, and
- the tear-resistant fiber is integrated as a middle layer of the side wall and is protected from an external environment of the nosecone by one or more external layers disposed over the middle layer and from an internal environment of the nosecone by one or more internal layers disposed under the middle layer.
(canceled)
An airframe comprising:
- a first gas turbine engine of one or more gas turbine engines, the first gas turbine engine comprising:
- a nosecone for a gas turbine engine, the nosecone comprising:
- a nosecone body, the nosecone body substantially symmetrical around a central axis, the nosecone body including a side wall defining a diameter of the nosecone body that increases from a forward side of the nosecone body to an aft side of the nosecone body, and
- an attachment assembly, the attachment assembly configured to attach the nosecone body to the gas turbine engine, wherein:
- at least one of the nosecone body or the attachment assembly comprises a tear-resistant fiber,
- the tear-resistant fiber comprises a poly (p-phenylene-2,6-benzobisoxazole) (PBO) fiber, and
- the tear-resistant fiber is integrated as a middle layer of the side wall and is protected from an external environment of the nosecone by one or more external layers disposed over the middle layer and from an internal environment of the nosecone by one or more internal layers disposed under the middle layer.
(canceled)
Dependencies are inferred from the claim text.