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US 6,638,423 B2Granted
Multiple stage fuel strainer assembly
AssigneeDelphi Technologies, Inc.
InventorRandall Lee Dockery
Life of this patent
Estimating the term…
Abstract
A multiple stage fuel strainer assembly for a fuel tank in a vehicle includes a strainer adapted to be connected to an inlet of a fuel pump disposed in the fuel tank. The multiple stage fuel strainer assembly also includes a valve connected to the strainer to allow fuel to flow through the strainer to the inlet when an external surface of the strainer is restricted with contaminants in the fuel.
Claims18
A multiple stage fuel strainer assembly for a fuel tank in a vehicle comprising:
- a strainer adapted to be connected to an inlet of a fuel pump disposed in the fuel tank, said strainer comprising an external filtration member and an internal filtration member disposed within said external filtration member;
- and
- a valve connected to said external filtration member of said strainer to allow fuel to flow through said strainer to the inlet when an external surface of said external filtration member is restricted with contaminants in the fuel and a predetermined vacuum within said external filtration member is reached.
A multiple stage fuel strainer assembly for a fuel tank in a vehicle comprising:
- a strainer extending longitudinally between a first longitudinal end and a second longitudinal end, said first longitudinal end being adapted to be connected to an inlet of a fuel pump disposed in the fuel tank, said strainer comprising an external filtration member and an internal filtration member disposed within said external filtration member;
- and
- a valve connected to said external filtration member of said strainer to allow fuel to flow through said strainer to the inlet when an external surface of said external filtration member is restricted with contaminants in the fuel and a predetermined vacuum within said external filtration member is reached.
A fuel tank assembly for a vehicle comprising:
- a fuel tank;
- a fuel pump disposed in said fuel tank;
- a multiple stage fuel strainer operatively connected to an inlet of said fuel pump;
- and
- said multiple stage fuel strainer assembly comprising a strainer extending longitudinally between a first longitudinal end and a second longitudinal end, said first longitudinal end being connected to the inlet of said fuel pump, said strainer comprising an external filtration member and an internal filtration member disposed within said external filtration member;
- and
- a valve connected to said external filtration member of said strainer to allow fuel to flow through said strainer to the inlet when an external surface of said external filtration member is restricted with contaminants in the fuel and a predetermined vacuum within said external filtration member is reached.
4 more elements
Dependencies are inferred from the claim text.