Patent ID: 11885291
Assignee: WALBRO LLC
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 19:
20. A charge forming device, comprising:
a throttle bore;
an inlet chamber having a bottom in which liquid fuel is received and a top in which gaseous matter is received;
at least one vent passage communicating with the top of the inlet chamber;
at least one fuel passage communicating the inlet chamber with the throttle bore; and
a valve having an inlet in communication with the inlet chamber, an outlet in communication with at least one of said at least one vent passages, and a valve head that is movable and allows flow from the inlet chamber through the outlet when the pressure in the inlet chamber is greater than threshold pressure to permit flow the said at least one of said at least one vent passages.