Vapor fuel system and method for evaporative fuel vapor engine

Details Vapor fuel system and method for evaporative fuel vapor engine Vapor fuel system and method for evaporative fuel vapor engine

2005-05-24

2005-05-24

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

C123S516000

Reexamination Certificate

active

06895944

ABSTRACT:
A vapor fuel generation and management system for an evaporative fuel vapor engine includes a fuel tank that stores an evaporative liquid fuel, and a carbon canister connected to the headspace of the fuel tank to absorb and retain fuel vapor. A fuel vaporization unit has a liquid fuel inlet in communication with a liquid fuel outlet of the fuel tank, and a fuel vapor inlet in communication with the carbon canister. The fuel vaporization includes an agitator member at least partially submersed in a liquid fuel bath, and a motive force device that drives the agitator member. The fuel vaporization unit generates vapor fuel, i.e. a rich air/fuel mixture, and has a vapor fuel outlet in communication with an engine intake manifold. A purge valve controls vapor fuel flow to the engine intake manifold.

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