公开(公告)号：US20220161915A1

公开(公告)日：2022-05-26

申请号：US17350438

申请日：2021-06-17

申请人： AIRBUS HELICOPTERS DEUTSCHLAND GMBH ,  AIRBUS HELICOPTERS

发明人： Aurelien VAYSSIERE ,  Nicolas MONTIL ,  Mathieu GESTER ,  Hubert NEUKIRCH ,  Pascal JERVAISE ,  Markus KAMMERER ,  Pierre ARNOULD

IPC分类号： B64C1/06 ,  B64C27/04

摘要： A stiffener skeleton that is configured to be mounted to an upper deck of a rotary wing aircraft in a maintenance phase, comprising an upper stiffening structure with a plurality of supporting arms for providing upside stiffening support, and a lateral stiffening structure with a plurality of supporting legs for providing lateral stiffening support, wherein the plurality of supporting arms and the plurality of supporting legs form a self-supporting frame structure.

公开(公告)号：US20220332411A1

公开(公告)日：2022-10-20

申请号：US17666317

申请日：2022-02-07

申请人： AIRBUS HELICOPTERS DEUTSCHLAND GMBH

发明人： Aurelien VAYSSIERE ,  Hubert NEUKIRCH ,  Markus KAMMERER ,  Bernhard REIN

IPC分类号： B64C27/00 ,  B64D27/26 ,  B64D45/00 ,  B64C1/12

摘要： A rotary wing aircraft with a fuselage that forms an aircraft interior region, the fuselage comprising an upper primary skin that separates the aircraft interior region from an aircraft upper deck arranged above the fuselage, wherein the aircraft upper deck comprises an engine accommodating region with a firewall arrangement, the engine accommodating region accommodating at least one aircraft engine within the firewall arrangement, wherein the firewall arrangement comprises at least one gasket for tightening pass-through of a torque tube that connects the at least one aircraft engine to a main gear box of the rotary wing aircraft, and wherein the at least one gasket comprises at least two fire proof shells and a ring-shaped flexible fire proof bellows.