US 11,815,027 B2
Fire wall and method for opening same
Romain Harold Patrice Pou, Moissy-Cramayel (FR); Frédéric Dautreppe, Moissy-Cramayel (FR); Bertrand Romain Adrien Dufour, Moissy-Cramayel (FR); and Frédéric Jacques Eugène Goupil, Moissy-Cramayel (FR)
Assigned to SAFRAN AIRCRAFT ENGINES, Paris (FR)
Appl. No. 17/595,809
Filed by SAFRAN AIRCRAFT ENGINES, Paris (FR)
PCT Filed May 12, 2020, PCT No. PCT/FR2020/050779
§ 371(c)(1), (2) Date Nov. 24, 2021,
PCT Pub. No. WO2020/240107, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 1905651 (FR), filed on May 28, 2019.
Prior Publication US 2022/0213839 A1, Jul. 7, 2022
Int. Cl. F02C 7/25 (2006.01)
CPC F02C 7/25 (2013.01) [F05D 2230/70 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A turbomachine auxiliary arm, comprising:
a tubular structure;
one or more ducts and/or electrical cables inside the tubular structure; and
a firewall comprising through openings in a thickness direction of the firewall, a fixed portion extending, in a width direction, orthogonal to said thickness direction, and a first removable portion extending in the width direction from at least one adjacent opening among the through openings, to a first outer edge of the firewall;
wherein the fixed portion and first removable portion of the firewall are arranged transversely inside the tubular structure, and the ducts and/or electrical cables pass through the firewall by the through openings.