FIELD: aircrafts.
SUBSTANCE: propulsion system (100) for the aircraft includes a rotor (110) and a gondola cowl located around the rotor (110). The gondola cowl is divided into sectors and contains a fixed sector (130a, 130b) and sectors (141a, 141b) retractable in the circumferential (F1, F2) direction relative to the rotation axis (X) of the rotor (110). The retractable sectors comprise the first row of sectors (141a, 142a) telescopically retracting inward or onto said fixed sector (130a), the second row of sectors (141b, 142b) telescopically retracting inward or onto the fixed sector (130a, 130b). Said fixed sector (130a, 130b) has an angular dimension around said axis (X) less than or equal to 90°.
EFFECT: improvement of aerodynamic and acoustic characteristics of aircraft is achieved.
15 cl, 16 dwg
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RU2794134C2 |
| SEALING JOINT FOR AIRCRAFT TURBOJET ENGINE NACELLE | 2019 |
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RU2791986C2 |
| IMPROVED AIR-TIGHT SEALING DEVICE, MADE WITH THE POSSIBILITY OF INTRODUCTION BETWEEN THE ELEMENT OF THE HULL OF A DOUBLE-FLOW TURBINE ENGINE OF THE AIRCRAFT AND THE ELEMENT OF THE NACELLE | 2019 |
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RU2764489C2 |
