FIELD: aviation.
SUBSTANCE: blades of air propeller comprise wingtips made in the form of wings, which are arranged on the ring surface, i.e. are parts of the ring. Wingtip can have profile of the blade, as in the direction of motion of the blade, and in the direction of motion of the air flow with a certain angle of attack.
EFFECT: reduction of power losses, improved aerodynamics of blade, reduction of noise during operation of air propeller.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FIXED OR CONTROLLED PROPELLER BLADE TIP (WINGLET) | 2014 |
|
RU2546337C1 |
| PROPELLER WITH CONTROLLABLE TIPS OF BLADES | 2021 |
|
RU2788116C1 |
| DUAL TURBO-NOZZLE | 2012 |
|
RU2488022C1 |
| TURBOACCELERATION DEVICE | 2011 |
|
RU2468234C1 |
| HEAVY-DUTY MULTIROTOR CONVERTIBLE ROTORCRAFT | 2013 |
|
RU2521121C1 |
| HYBRID TWIN GAS TURBINE ENGINE | 2012 |
|
RU2497004C2 |
| METHOD OF INSTALLING GROUP OF VORTEX GENERATORS AND CANTILEVER AIRFOIL | 2021 |
|
RU2766901C1 |
| AERODYNAMIC SURFACE TIP | 2019 |
|
RU2719522C1 |
| VESSEL ON COMPRESSED AIRFLOW | 2020 |
|
RU2737560C1 |
| PROPELLER WITH EXTERNAL ANNULAR FRAME AND TENSION BLADES | 2023 |
|
RU2792994C1 |
