원래 이름 기록: B/E Aerospace Systems GmbH

An aircraft oxygen supply system includes at least one oxygen mask, an oxygen supply, and a pressure reducer, interposed between the oxygen supply and the at least one oxygen mask. The pressure reducer includes a housing, a piston, which is axially movable within the housing a high pressure inlet, which is provided on a high pressure side of the housing and which is coupled to the oxygen supply, a pressure reducing gas flow path, connecting the high pressure inlet and an axial gas flow channel within the piston, a reduced pressure outlet, which is provided on a reduced pressure side of the housing and to which the axial gas flow channel opens, and a pressure control chamber, which extends radially from the reduced pressure outlet and which is interposed between the housing and a reduced pressure end face of the piston.