Fuel pump module with improved vapor vent manifold

Details Fuel pump module with improved vapor vent manifold Fuel pump module with improved vapor vent manifold

2005-04-26

2005-04-26

Lo, Weilun (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

C123S516000

Reexamination Certificate

active

06883500

ABSTRACT:
A fuel pump module with integrated vapor vent manifold for minimizing fuel vapor emission in a fuel venting system, comprising a modular flange having a plurality of vapor inlets on the bottom side for receiving fuel vapor from sources both proximal and distal to the flange within the fuel tank. The vapors collected from distal sources within the tank are carried to the manifold by means of internal vent lines thereby minimizing permeation emissions common of external vapor lines. Once received in the manifold, the vapors conglomerate and exit the top side of the flange through a single outlet, connected by a single vapor line to a remote canister for storage.

REFERENCES:
patent: 5497800 (1996-03-01), Ohashi et al.
patent: 6343590 (2002-02-01), Nagai et al.
patent: 6698475 (2004-03-01), Schaefer et al.
patent: 20020157715 (2002-10-01), Viebahn
patent: 200 19 968 (2001-02-01), None
patent: 1 213 173 (2002-06-01), None
patent: 1 216 874 (2002-06-01), None
patent: WO 02087915 (2002-07-01), None

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