Patent ID: 6158975
Filing Date: 2000-12-12
Classification: F02M

Abstract:
A fuel pump module comprising:a housing constructed to be mounted exteriorly of a vehicle fuel tank and defining a closed chamber for low pressure fuel having an inlet to receive fuel from a fuel tank remote from the housing;an electric motor fuel pump received in the closed chamber of the housing and having an inlet in communication with only the interior of the closed chamber of the housing and spaced from the inlet of the closed chamber and an outlet through which fuel is discharged for delivery to an engine remote from the housing; anda fuel control device carried by the housing and having an inlet in communication with the fuel pump outlet and an outlet through which excess fuel delivered from the fuel pump outlet is discharged to supply to the engine through the outlet a fuel supply corresponding to the fuel demand of the engine, and constructed and arranged so that fuel from a fuel tank is supplied to the housing through the housing inlet into the closed chamber and the fuel pump draws fuel from the interior of the closed chamber into its inlet and discharges fuel under pressure through its outlet for delivery to the engine and the fuel control device controls the pressure of fuel discharged from the outlet to the engine and routes excess fuel discharged from the fuel pump to a point upstream of the fuel pump inlet and to at least one of the closed chamber and the fuel tank remote from the housing.