Back to results
US 2002/0170538 A1Published application
Lube control valve
OwnerThomas B. Martin SR.inventor
Life of this patent
Estimating the term…
Abstract
A fuel injection system having a fuel flow regulating valve that directs a flow of pressurized fuel to a portion of pressurized fuel to an operable portion of a fuel pump. The flow regulating valve provides a predetermined flow responsive to a predetermined pressure or in another embodiment provides a variable flow rate responsive to variations in fuel pressure.
Claims1
An internal combustion fuel system comprising:
- a fuel tank;
- an engine fuel injection system;
- a fuel pump having an inlet in communication with the fuel tank, an outlet in communication with the engine fuel injection system, and a lubricated operable portion;
- a pressure regulator in communication with the fuel pump outlet;
- a flow regulating valve having an inlet in communication with the engine fuel injection system and the pressure regulator and having an outlet in communication with the fuel pump lubricated operable portion;
- and,
- the flow regulating valve operable to direct a flow of pressurized fuel from the fuel pump outlet to the fuel pump operable portion responsive to a predetermined pressure in the fuel outlet.
4 more elements
Dependencies are inferred from the claim text.