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US 9,272,615 B1Granted
Vapor transport fuel intake system
OwnerDavid D. Cadyinventor
Life of this patent
Estimating the term…
Abstract
A fuel intake system for supplying an internal combustion engine with a fuel vapor/air mixture without the use of a carburetor or fuel injectors. The fuel intake system includes a tank holding fuel and an evaporated fuel vapor. An air inlet tube and a vapor outlet tube are coupled to the tank. A vapor conditioner is coupled between the vapor outlet tube and the engine. The vapor conditioner has a vapor conditioner throttle body with a butterfly valve. The vapor conditioner regulates the fuel vapor/air mixture by selective positioning of the butterfly valve.
Claims6
A fuel intake system comprising:
- a fuel tank for holding a liquid fuel, the fuel tank and the liquid fuel defining a void space above the liquid fuel that contains an evaporated fuel vapor;
- an air inlet tube coupled to the tank and in fluid communication with the void space, the air inlet tube having a first end terminating outside of the tank for receiving air and a second end terminating in the void space;
- and
- a vapor conditioner coupled to the tank and in fluid communication with the void space, the vapor conditioner receiving the evaporated fuel vapor, the vapor conditioner having an outer tube and a sliding inner sleeve, the vapor conditioner regulating a fuel vapor/air mixture ratio by selective positioning of the sliding inner sleeve.
1 more element
Dependencies are inferred from the claim text.