Exhaust nozzle
AssigneeROLLS-ROYCE plc
InventorJack F. Colebrooke
Life of this patent
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Abstract
An exhaust nozzle for a gas turbine engine comprises an exhaust duct and a first flap. The exhaust duct is configured to receive an exhaust flow of gas from a combustor of the gas turbine engine. The first flap is rotatably coupled to the exhaust duct for rotation about a first axis of rotation. Further, the first flap at least in part defines an exhaust gas passageway configured to convey the exhaust flow of gas to an exterior of the gas turbine engine. Additionally, the first flap comprises a first pin. The exhaust nozzle comprises a first moveable cam having a first moveable slot configured to slidably receive the first pin. The exhaust nozzle is configured such that movement of the first moveable cam causes the first flap to be moved about the first axis of rotation between a first inner position and a first outer position.
Claims18
An exhaust nozzle for a gas turbine engine, the exhaust nozzle comprising:
- an exhaust duct configured to receive an exhaust flow of gas from a combustor of the gas turbine engine;
- and
- a first flap rotatably coupled to the exhaust duct for rotation about a first axis of rotation;
- wherein the first flap at least in part defines an exhaust gas passageway configured to convey the exhaust flow of gas to an exterior of the gas turbine engine,
- wherein the first flap comprises a first pin,
- wherein the exhaust nozzle comprises a first moveable cam having a first moveable slot configured to slidably receive the first pin,
- wherein the exhaust nozzle is configured such that movement of the first moveable cam causes the first flap to be moved about the first axis of rotation between a first inner position and a first outer position, and
- wherein the exhaust duct comprises a first static slot configured to slidably receive the first pin.
An exhaust nozzle for a gas turbine engine, the exhaust nozzle comprising:
- an exhaust duct configured to receive an exhaust flow of gas from a combustor of the gas turbine engine;
- a first flap rotatably coupled to the exhaust duct for rotation about a first axis of rotation;
- and
- a second flap rotatably coupled to the exhaust duct for rotation about a second axis of rotation,
- wherein the first flap at least in part defines an exhaust gas passageway configured to convey the exhaust flow of gas to an exterior of the gas turbine engine,
- wherein the first flap comprises a first pin,
- wherein the exhaust nozzle comprises a first moveable cam having a first moveable slot configured to slidably receive the first pin,
- wherein the exhaust nozzle is configured such that movement of the first moveable cam causes the first flap to be moved about the first axis of rotation between a first inner position and a first outer position,
- wherein a centreline of the first moveable slot extends along a first moveable arc having a centre that is offset from the first axis of rotation,
- wherein the exhaust duct comprises a first static slot configured to slidably receive the first pin,
- wherein the first and second flaps at least in part define the exhaust gas passageway,
- wherein the second flap comprises a second pin,
- wherein the exhaust nozzle comprises a second moveable cam having a second moveable slot configured to slidably receive the second pin,
- wherein the exhaust nozzle is configured such that movement of the second moveable cam causes the second flap to be moved about the second axis of rotation between a second inner position and a second outer position, and
- wherein a centreline of the second moveable slot extends along a second moveable arc having a centre that is offset from the first and second axes of rotation.
Dependencies are inferred from the claim text.