Patent ID: 9732872
Date: 2017-08-15
CPC Classifications: B64D,F16K,Y10T

Claim:
1. A fuel system comprising: a fuel tank having a wall with an opening; a fuel float valve including a float and a seal plate on opposing free ends of a beam, and a support carrying a connection of the beam, the beam is configured to translate along the support at the connection in response to a changing fuel level, and wherein the float and the seal plate are configured to translate linearly with the beam, the fuel float valve is movable between first and second positions in which the seal plate is respectively arranged in unsealed and sealed positions relative to the opening; wherein the seal plate is movable relative to the opening in the second position; wherein the wall separates first and second sides, the first tank including a cavity and the first side arranged in the cavity, the plate on the second side outside the cavity; a surge tank fluidly connected to the fuel tank by a vent line, the seal plate blocking flow between the fuel tank and the surge tank in the sealed position; and a nitrogen gas system fluidly connected to the fuel tank at a first side of the opening, the surge tank at a second side of the opening opposite the first side.