| 发明名称 | Propulsive unit for an aircraft | ||
| 摘要 | This invention relates to a propulsive unit for an aircraft, comprising: a nacelle which defines a duct for channeling an airflow when in use and which provides an outwardly facing surface of the propulsive unit, the outwardly facing surface having an aerodynamic shape; a fan unit for accelerating the airflow within the duct when in use; wherein the duct has an inlet and an outlet and the nacelle is operable to adjust the either or both of the area of the inlet and outlet while substantially retaining the aerodynamic shape of the outwardly facing surface. | ||
| 申请公布号 | US8857760(B2) | 申请公布日期 | 2014.10.14 |
| 申请号 | US201213644980 | 申请日期 | 2012.10.04 |
| 申请人 | Rolls-Royce PLC | 发明人 | Brown Stephen Geoffrey;Raffaelli Lorenzo |
| 分类号 | B64D33/02;B64D29/00;B64D29/06;B64D29/02;B64C11/00 | 主分类号 | B64D33/02 |
| 代理机构 | Oliff PLC | 代理人 | Oliff PLC |
| 主权项 | 1. A propulsive unit for an aircraft, comprising: a nacelle which defines a duct for channeling an airflow when in use and which provides an outwardly facing surface of the propulsive unit, the outwardly facing surface having an aerodynamic shape; and a fan unit for accelerating the airflow within the duct when in use; the duct having an inlet and an outlet which are defined by the nacelle, and the nacelle being movable to adjust the position of the outwardly facing surface and the areas of the inlet and the outlet whilst substantially retaining the aerodynamic shape of the outwardly facing surface. | ||
| 地址 | London GB | ||