Electronic controlled fuel enrichment system
AssigneeWalbro Engine Management, L.L.C.
InventorMatthew A. Braun
Life of this patent
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Abstract
An apparatus for delivering a fuel-air mixture to an engine is provided. The apparatus includes: a carburetor having one or more passages and one or more chambers, wherein at least some of the passages and chambers are in communication with one another, and a fluid pump communicated with the carburetor and pumping fluid into or out of the carburetor to influence an fuel-to-air ratio of a fuel and air mixture delivered from the carburetor.
Claims15
An apparatus for delivering a fuel-air mixture to an engine, comprising:
- a carburetor having one or more passages and one or more chambers, wherein at least some of the passages and chambers are in communication with one another;
- and
- a fluid pump communicated with the carburetor and pumping fluid into the carburetor from outside of the carburetor or out of the carburetor from within the carburetor to influence a fuel-to-air ratio of a fuel and air mixture delivered from the carburetor.
A system for delivering a fuel-air mixture to an engine, comprising:
- a carburetor having one or more passages and one or more chambers, wherein at least some of the passages and chambers are in communication with one another;
- a fluid pump having an orifice for communicating with the carburetor to influence a fuel-to-air ratio of a fuel and air mixture delivered from the carburetor, and
- a controller for regulating the fluid pump.
A method of controlling the air-fuel mixture in a carburetor, comprising the steps of:
- receiving at least one fluid into one of a passage or a chamber of a carburetor;
- and
- influencing the pressure of the at least one fluid in the passage or chamber using a fluid pump in communication with the passage or chamber, whereby by influencing the pressure, the fuel-to-air ratio of a fuel and air mixture delivered by the carburetor is altered.
Dependencies are inferred from the claim text.