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US 5,341,842 AGranted
Bottom mount fuel tank module for an automobile
AssigneeFord Motor Company
InventorsMing-Niu Chih, Michael H. Johnston
Life of this patent
Estimating the term…
Abstract
A module which fits into a cup attached to the bottom of an automotive fuel tank contains a fuel pump, a fuel filter, a jet pump and associated manifold components for maintaining a minimum level of fuel in a reservoir to provide a continuous source of fuel to the fuel pump when the tank fuel level is low or when vehicle operations, such as cornering, braking, acceleration, or slope parking cause the tank fuel level to fall below the fuel pump inlet.
Claims9
A fuel delivery module for supplying fuel to an automobile engine from a fuel tank comprising:
- a reservoir;
- a reservoir cap attachably enclosing said reservoir and having spaces to allow fuel overage to flow from the reservoir to the tank;
- a fuel pump within said reservoir having a fuel pump outlet passing through the cap;
- a manifold attached to said cap exteriorly of said reservoir for receiving high pressure fuel flow from the fuel pump outlet, said manifold having an engine fuel delivery conduit for routing a first portion of said high pressure fuel flow to said engine, and a connecting conduit which routes a second portion of said high pressure fuel to conduit means passing through said cap and in fluid communication with a jet pump fuel inlet conduit;
- and
- a jet pump having a fuel intake chamber in communication with said jet pump fuel inlet conduit for receiving the second portion of high pressure fuel and routing said second portion past a venturi opening to draw fuel from the fuel tank into a fuel outlet chamber, through a vertically positioned reservoir outlet conduit within said reservoir, and into said reservoir with said reservoir outlet conduit arranged such that said reservoir outlet conduit is above a fuel inlet to said fuel pump, said reservoir remaining filled to a minimum height of said conduit outlet when said fuel pump and said engine cease operating.
3 more elements
Dependencies are inferred from the claim text.