Fuel-vapor discharge structure in a fuel tank for engine...

Details Fuel-vapor discharge structure in a fuel tank for engine... Fuel-vapor discharge structure in a fuel tank for engine...

2006-08-28

2009-06-02

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

Reexamination Certificate

active

07540276

ABSTRACT:
A fuel tank has a fuel-vapor discharge structure in which the piping connecting to external equipment is not obtrusive. The fuel-vapor discharge structure allows the passage of fuel vapor between an upper space in the fuel tank and an induction system. The communication passage can be formed by a communication tube arranged vertically within the interior of the fuel tank and a connecting tube located outside the fuel tank. A lower portion of the fuel tank includes a one-way valve which allows fuel vapor to flow from the fuel tank to the induction system.

REFERENCES:
patent: 2544820 (1951-03-01), Baker et al.
patent: 4312649 (1982-01-01), Fujii et al.
patent: 5245974 (1993-09-01), Watson et al.
patent: 5542706 (1996-08-01), Kubly
patent: 6946071 (2005-09-01), Ehara et al.
patent: 2008/0041348 (2008-02-01), Grant et al.
patent: 07-301353 (1995-11-01), None

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