Turbomachine blade with leading edge slots

FR3162061A1Active Publication Date: 2025-11-14SAFRAN AIRCRAFT ENGINES SAS
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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

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