Patent ID: 11964554
Assignee: FORD GLOBAL TECHNOLOGIES, LLC
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 5:
6. A system, comprising:
a fuel system comprising a fuel tank coupled to a first canister and a second canister;
a variable bleed valve (VBV) arranged in a load line extending from the fuel tank;
a first canister vent valve (CVV) arranged in a first vent line between the first canister and a common vent line;
a second (CVV) arranged in a second vent line between the second canister and the common vent line; and
a controller with computer-readable instructions stored on non-transitory memory thereof that when executed enable the controller to:
sequentially load the first canister and the second canister by adjusting the first CVV, the second CVV, and the VBV, wherein adjusting the first CVV, the second CVV, and the VBV is in response to a fuel level in the fuel tank during a refueling event; and
loading the first canister and the second canister by coupling the first and second canisters in parallel to the fuel tank.