PROPULSION ASSEMBLY FOR AN AIRCRAFT

FR3162063A1Pending Publication Date: 2025-11-14SAFRAN AIRCRAFT ENGINES SAS
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Patent Information

Application Number
FR2024004876
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-11-14

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Abstract

The invention relates to a propulsion assembly (1') comprising a turbomachine (1) including: an outer casing (13), an inter-vein casing (12) defining with the outer casing (13) a flow channel (v2) for an airflow (F1), at least one arm (14) radially connecting the inter-vein casing (12) and the outer casing (13), the arm (14) extending radially in the flow channel (v2) and including an internal channel (17) opening respectively into the inter-vein casing (12) and the outer casing (13), and a lubricant reservoir (23) located inside the inter-vein casing (12), the reservoir (23) including an internal cavity (25) for storing lubricant, characterized in that the reservoir (23) includes a filling interface (28) connecting the internal cavity (25) to the channel (17) of the arm (14) and in that The propulsion assembly (1) further includes a sealing gasket (31) mounted between the inter-vein housing (12) and the interface (28). Abbreviated figure: Figure 4
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Claims

5.

6.

7.

8.

9.

10. the flow passage (30) communicating with both the channel (17) and the cavity (28) of the reservoir (23). Propulsive assembly according to the preceding claim, characterized in that the channel (17) has an external diameter less than an external diameter of the wall (29) of the interface (28). Propulsive assembly according to any one of the preceding claims, characterized in that the arm (14) comprises an intrados face (16i) and an extrados face (16e) connected to each other by a leading edge (16a) and a trailing edge (16b). Propulsion assembly according to any one of the preceding claims, characterized in that the reservoir (23) includes a non-return valve. Propulsion assembly according to any one of the preceding claims, characterized in that the tank (23) includes a lubricant recovery cup (32) located between the sealing joint (31) and the interface (28) of the tank (23). Propulsion assembly according to the preceding claim, characterized in that the cup (32) includes a lubricant drainage orifice. Propulsion assembly according to claim 8 or 9, characterized in that the cup (32) is annular and has an external diameter greater than the external diameter of the sealing gasket (31). [Fig. 3]

Citation Information

Patent Citations

  • Gas turbine engine oil tank

    EP2847448B1

  • Filling an aircraft turbine engine lubricant tank

    EP4107381B1

  • DUAL-FLOW TURBOMACHINE AND ITS LUBRICANT TANK

    FR3072425A1