Aircraft Tank System, Refueling Unit And Method For Refueling An Aircraft
1 Assignment
0 Petitions
Accused Products
Abstract
An aircraft tank system (10) comprises a tank cell for receiving fuel, a fuel line (12) that connects the tank cell to a fuel inlet connection (14), and an aeration- and/or deaeration device (16) that for aeration and/or deaeration of the tank cell connects the tank cell to the environment. A shut-off valve (18, 20) of the aeration- and/or deaeration device (16) is adapted in an open position to open a connection between the tank cell and the environment and in a closed position to interrupt the connection between the tank cell and the environment. The aircraft tank system (10) further comprises an exhaust air outlet connection (24), which is connected to the aeration- and/or deaeration device (16) and which is adapted during filling of the tank cell with fuel to be connected to an aeration- and/or deaeration connection (32) of a storage tank (28) of a refueling unit (26).
-
Citations
18 Claims
-
1-11. -11. (canceled)
-
12. Aircraft tank system comprising:
-
a tank cell for receiving fuel, a fuel line that connects the tank cell to a fuel inlet connection, and an aeration- and/or deaeration device that for aeration and/or deaeration of the tank cell connects the tank cell to the environment, wherein the aeration- and/or deaeration device comprises a shut-off valve that is adapted in an open position to open a connection between the tank cell and the environment and in a closed position to interrupt the connection between the tank cell and the environment, characterized in that the aircraft tank system further comprises a control device that is adapted during filling of the tank cell with fuel to control the shut-off valve of the aeration- and/or deaeration device into its closed position, and that there is connected to the aeration- and/or deaeration device an exhaust air outlet connection, which during filling of the tank cell with fuel is connectable to an aeration- and/or deaeration connection of a storage tank of a refueling unit in order during filling of the tank cell to convey exhaust air from the tank cell into the storage tank of the refueling unit. - View Dependent Claims (13, 14, 15, 16)
-
-
17. Method of refueling an aircraft comprising the steps:
-
connecting a fuel outlet connection of a storage tank of a refueling unit to a fuel inlet connection of an aircraft tank system, and conveying fuel from the storage tank into a tank cell of the aircraft tank system, characterized in that a shut-off valve of an aeration- and/or deaeration device of the aircraft tank system that is adapted in an open position to open a connection between the tank cell of the aircraft tank system and the environment and in a closed position to interrupt the connection between the tank cell of the aircraft tank system and the environment is controlled into its closed position and that an aeration- and/or deaeration connection of the storage tank of the refueling unit is connected to an exhaust air outlet connection connected to the aeration- and/or deaeration device of the aircraft tank system so that during filling of the tank cell of the aircraft tank system with fuel exhaust air is conveyed out of the tank cell of the aircraft tank system into the storage tank of the refueling unit. - View Dependent Claims (18)
-
Specification