US 12,312,961 B2
Guide vane assembly for a turbomachine
Joao Antonio Amorim, Moissy-Cramayel (FR)
Assigned to SAFRAN AIRCRAFT ENGINES, Paris (FR)
Appl. No. 18/681,355
Filed by SAFRAN AIRCRAFT ENGINES, Paris (FR)
PCT Filed Jul. 5, 2022, PCT No. PCT/FR2022/051335
§ 371(c)(1), (2) Date Feb. 5, 2024,
PCT Pub. No. WO2023/012414, PCT Pub. Date Feb. 9, 2023.
Claims priority of application No. 2108500 (FR), filed on Aug. 5, 2021.
Prior Publication US 2024/0337197 A1, Oct. 10, 2024
Int. Cl. F01D 11/00 (2006.01); F01D 9/04 (2006.01); F01D 11/02 (2006.01); F01D 11/08 (2006.01)
CPC F01D 11/08 (2013.01) [F01D 9/041 (2013.01); F01D 11/001 (2013.01); F01D 11/02 (2013.01); F05D 2240/55 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A turbomachine comprising a low-pressure turbine, the low-pressure turbine comprising a guide vane assembly, the guide vane assembly extending about an axis and comprising:
at least one stator vane which extends from a platform;
a first flange extending radially inward from the platform;
a sealing element being mounted on the first flange by way of a sliding means that allows the sealing element to move radially with respect to the first flange, the sliding means having at least one pin mounted on the sealing element and/or on the first flange and engaged in at least one oblong orifice extending radially and formed in the first flange and/or in the sealing element,
wherein the pin and/or the orifice are covered, at least partially, by a cover plate situated axially opposite of at least a part of the pin, the pin being formed by a bolt comprising a screw and a nut, the screw comprising a screw head and a shaft extending in the corresponding orifice(s), the cover plate covering the nut so as to form a cage delimiting an internal volume between the cover plate, on the one hand, and the sealing element or the first flange on the other hand, the nut being housed and held inside the internal volume.