Turbomachine blade with leading edge slots
FR3162061A1Active Publication Date: 2025-11-14SAFRAN AIRCRAFT ENGINES SAS
Patent Information
- Application Number
- FR2024004770
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2044-05-07
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Abstract
Turbomachine blade with leading edge slots. Turbomachine blade (120), in particular of an unfaired propulsion fan, having a plurality of slots (200). A radial distance (Δri), along the span direction (Z), from the blade root (123) to at least one slot (200) among said plurality of slots (200) is less than a radial distance (Δre), along the span direction (Z), from the blade tip (124) to any slot (200) among said plurality of slots (200). Figure for the abstract: Fig. 3A.
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Claims
sawtooth pattern of at least one blade (110) of the first row of blades (110).
12. Unfaired propulsive blower (100) according to any one of the features 8 to 11, in which the second row of blades (120) is contra-rotating with respect to the first row of blades (110).
13. Unshod propulsive blower (100) according to any one of the features 8 to 11, in which the second row of blades (120) is stator.
14. Propeller (10) comprising the propulsion blower (100) according to any one of claims 8 to 13 and a gas turbine engine (11) for actuation of the propulsion blower.
15. Aircraft (1) comprising the propulsion unit (10) of claim 14. [Fig. 1] [Fig. 4A] C
Citation Information
Patent Citations
Profiled structure for an aircraft or turbomachine for an aircraft
US11560796B2
Aerofoil with leading edge slits
US10655472B2
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US20110058955A1
aerofoil
US20170241278A1
aerofoil
US20190376529A1