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US 2014/0230315 A1Published application
System and Method for Cleaning Fuel on Egress From Fuel Tank
AssigneeCaterpillar Inc.
InventorsJeffrey R. Ries, Christopher L. Armstrong, John R. Jones
Life of this patent
Estimating the term…
Abstract
A filtered fuel system in a fuel system is disclosed. The filtered fuel system may include a strainer connected to a fuel tank opening of a fuel tank, the strainer removing a first type of contaminant. The filtered fuel system may additionally include a fuel filter positioned within a sump of the fuel tank, the fuel filter filtering a second type of contaminant and connected to a filter opening of the fuel tank through a filter shaft.
Claims20
A filtered fuel system, comprising:
- a strainer connected to a fuel tank opening of a fuel tank, the strainer removing a first type of contaminant;
- and
- a fuel filter positioned within a sump of the fuel tank, the fuel filter filtering a second type of contaminant and connected to a filter opening of the fuel tank through a filter shaft.
A method of filtering fuel, the method comprising:
- providing a fuel filter connected to a filter shaft;
- assembling the fuel filter within a sump of a fuel tank;
- passing fuel through a fuel tank opening of the fuel tank;
- and
- filtering the fuel through the fuel filter along an inside-out flow path.
2 more elements
A fuel system, comprising:
- a fuel tank having a fuel tank body, a fuel tank opening, a filter opening, and a sump formed in a recess on a bottom surface of the fuel tank body;
- a fuel filter positioned within the sump of the fuel tank and connected to one end of a filter shaft, a second end of the filter shaft connected to a cover covering the filter opening;
- and
- a strainer fitted to the fuel tank opening.
1 more element
Dependencies are inferred from the claim text.