US 11,925,888 B2
Component for a turbomachine centrifugal degasser with adapted longitudinal walls
Arnaud Georges Nifenecker, Moissy-Cramayel (FR); Benjamin Nicolas Fulleringer, Moissy-Cramayel (FR); and Nicolas Maurice Marcel Herran, Moissy-Cramayel (FR)
Assigned to SAFRAN HELICOPTER ENGINES, Bordes (FR)
Appl. No. 17/612,804
Filed by SAFRAN HELICOPTER ENGINES, Bordes (FR)
PCT Filed May 20, 2020, PCT No. PCT/FR2020/050836
§ 371(c)(1), (2) Date Nov. 19, 2021,
PCT Pub. No. WO2020/240116, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 1905487 (FR), filed on May 24, 2019.
Prior Publication US 2022/0249995 A1, Aug. 11, 2022
Int. Cl. B01D 45/14 (2006.01); B04B 7/18 (2006.01); B04B 11/00 (2006.01); F01D 25/18 (2006.01)
CPC B01D 45/14 (2013.01) [B04B 7/18 (2013.01); B04B 11/00 (2013.01); F01D 25/18 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A component for a centrifugal degasser for an air/oil mixture of a turbomachine, configured to rotate about an axis of symmetry, forming an annular enclosure for centrifugal separation of said mixture, the enclosure forming a fluid passage duct, one inlet of which is oriented axially to supply the enclosure with said mixture, and a first outlet of which is oriented radially inwards to discharge the de-oiled air separated from said mixture, the enclosure further comprising at least one second oil outlet oriented radially outwards and configured to discharge the oil separated from said mixture to the outside of the degasser, wherein said enclosure comprises longitudinal walls passing radially therethrough, at least one surface of said longitudinal walls having surface structures and/or corrugations arranged to form obstacles to a flux of said mixture along the surface of said longitudinal walls.