Patent ID: 11912428
Assignee: AIRBUS OPERATIONS LIMITED
Field: Transport (Mechanical engineering)
Classification: CPC B  A | IPC A  B

Claim 21:
22. A method according to claim 21, further comprising:
receiving a current external pressure value for the pressure of the external environment of the fuel tank;
comparing the determined minimum ullage pressure to the received current external pressure value;
if the determined minimum ullage pressure is greater than the received current external pressure value, determining a maximum fuel temperature using the predefined flammability information, wherein the maximum fuel temperature is the highest fuel temperature at which the fuel tank is not flammable when the ullage pressure is equal to the received current external pressure value;
controlling the temperature of the fuel in the fuel tank to be less than or equal to the maximum fuel temperature; and
controlling the ullage pressure to be greater than or equal to the minimum ullage pressure and less than or equal to the received current external pressure value.