US 11,920,544 B2
Fuel supply device with injector and vapor management
William E. Galka, Caro, MI (US); Bryan K. Gangler, Unionville, MI (US); Jeffrey C. Hoppe, Cass City, MI (US); Adam M. McGilton, Caro, MI (US); Bradley J. Roche, Millington, MI (US); Albert L. Sayers, Caro, MI (US); and David L. Speirs, Cass City, MI (US)
Assigned to Walbro LLC, Cass City, MI (US)
Filed by Walbro LLC, Cass City, MI (US)
Filed on Oct. 10, 2022, as Appl. No. 17/963,025.
Claims priority of provisional application 63/256,838, filed on Oct. 18, 2021.
Prior Publication US 2023/0123915 A1, Apr. 20, 2023
Int. Cl. F02M 21/02 (2006.01)
CPC F02M 21/0239 (2013.01) [F02M 21/0257 (2013.01); F02M 21/0281 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A fuel supply device, comprising:
a main body having a main bore with an inlet through which air flows and an outlet through which a fuel and air mixture flows;
a fuel chamber in which a supply of fuel is received;
a fuel supply pipe having a passage communicating with the main bore between the inlet and the outlet, and through which fuel from the fuel chamber flows to the main bore; and
a fuel valve having a valve seat, a valve element movable relative to the valve seat between an open position and a closed position, and the fuel valve has an inlet that is upstream of the valve seat and is in communication with the fuel chamber, and the fuel valve has an outlet that is downstream of the valve seat, wherein the outlet is coaxially aligned with the passage of the fuel supply pipe and the fuel valve is electrically operated to move the valve element.