초록 ▼

An aircraft propulsive power unit (19) comprises a nacelle structure (20) housing an engine and having a forward nacelle portion (21) and a rearward nacelle portion (131). The rearward end of the forward nacelle portion (21) in an operational position adjoins the forward end of the rearward nacelle

An aircraft propulsive power unit (19) comprises a nacelle structure (20) housing an engine and having a forward nacelle portion (21) and a rearward nacelle portion (131). The rearward end of the forward nacelle portion (21) in an operational position adjoins the forward end of the rearward nacelle portion (131) and the forward end of the forward nacelle portion (21) includes an intake opening leading to an intake barrel (28) upstream of the engine for the supply of intake air to the engine. The forward nacelle portion (21) has an uninterrupted or substantially uninterrupted low drag exterior surface thereover and the power unit includes support structure to support the forward nacelle portion (21) while permitting it to be moved forwardly on the support structure from the operational position to a forward position in which it is supported by the support structure forwardly of the operational position to provide access to components of the power unit (19) which are inaccessible with the forward nacelle portion (21) in the operational position.

대표청구항 ▼

An aircraft propulsive power unit comprising an engine, a nacelle structure housing the engine and having a forward nacelle portion and a rearward nacelle portions the rearward end of the forward nacelle portion in an operational position of the forward nacelle portion adjoining the forward end of t

An aircraft propulsive power unit comprising an engine, a nacelle structure housing the engine and having a forward nacelle portion and a rearward nacelle portions the rearward end of the forward nacelle portion in an operational position of the forward nacelle portion adjoining the forward end of the rearward nacelle portion and the forward end of the forward nacelle portion including an intake opening leading to an intake barrel upstream of the engine for the supply of intake air to the engine, the unit including support means to support the forward nacelle portion while permitting it to be moved on the support means from the operational position to a forward position in which it is supported by the support means forwardly of the operational position to provide access to components of the power unit which are inaccessible with the forward nacelle portion in the operational position, the engine being a turbofan engine including a ducted fan installation enclosed by a fan case which is inaccessible with the forward nacelle portion in the operational position and to which access is gained by movement of the forward nacelle portion on the support means to the forward position.