Bleed plenum for compressor section

M Shimo - US Patent 11,781,504, 2023 - Google Patents
A bleed plenum for a compressor section associated with a gas turbine engine includes a
plenum chamber having a first wall spaced apart from a second wall to define a plenum slot …

Acoustic attenuation panel for an aircraft propulsion unit and propulsion unit including such a panel

M Versaevel, D Ramage, B Cordier, G Riou… - US Patent …, 2022 - Google Patents
An acoustic attenuation panel for a propulsion unit including a nacelle and a turbojet engine
includes a cellular core disposed between an inner skin and an outer skin, called acoustic …