Patent ID: 9254923
Filing Date: 2016-02-09
CPC Classification: B64D

Claim Text:
1. An aircraft fuel system, comprising: multiple fuel tanks for storing fuel; a nitrogen-enriched air supply system which supplies nitrogen-enriched air into at least one of the multiple fuel tanks; a left ventilation channel extending from a ventilation duct, which is provided in a left main wing and leads to the outside air, to a fuselage and leads into the fuel tanks located in the left ventilation channel; and a right ventilation channel extending from a ventilation duct, which is provided in a right main wing and leads to the outside air, to the fuselage and leads into the fuel tanks located in the right ventilation channel, wherein the fuel tank which is at least partially located in the fuselage and leads to the left ventilation channel and the fuel tank which is at least partially located in the fuselage and leads to the right ventilation channel are separated by a shutoff wall for shutting off gas, and the fuel tanks separated by the shutoff wall communicate with each other through a fuel passage part which allows, of the fuel and the gas, only the fuel to pass through.