Evaporative fuel control system

Details Evaporative fuel control system Evaporative fuel control system

2005-03-08

2005-03-08

Maust, Timothy L. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Gas and other material separating passage or chamber

C141S040000, C141S052000, C141S059000, C141S198000

Reexamination Certificate

active

06863095

ABSTRACT:
An evaporative fuel control system is provided which includes a canister, and a fill-up control valve disposed in a vent line that communicates a fuel tank with the canister for controlling fill-up of the fuel tank. The fill-up control valve includes a casing, a float disposed in a space formed in the casing such that the float is movable up or down in the space, and a valve body provided in an upper portion of the float. In the evaporative fuel control system, the fill-up control valve is located outside and above the fuel tank, and a head difference is provided between a full level of the fuel tank and the fill-up control valve.

REFERENCES:
patent: 4821908 (1989-04-01), Yost
patent: 20030213527 (2003-11-01), Yanase et al.
patent: A 7-151018 (1995-06-01), None

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