Patent ID: 6009859
Filing Date: 2000-01-04
Classification: F02M,Y02T

Abstract:
A fuel system comprising:a fuel pump housing;an electric motor fuel pump received within the housing;a fluid chamber defined in part by the housing and constructed to receive a coolant fluid in heat exchange relationship with the electric motor of the fuel pump;a first inlet in the housing through which fuel is drawn into the fuel pump;a first outlet in the housing through which fuel is discharged under pressure from the fuel pump;a second inlet in the housing in communication with the fluid chamber; anda second outlet in the housing through which coolant fluid received in the fluid chamber may be discharged from the housing whereby the coolant fluid within the fluid chamber is in heat exchange relationship with the fuel pump to cool the fuel pump; anda return fuel heat exchanger including a return fuel inlet and a return fuel outlet configured to respectively receive fuel into and discharge fuel from a return fuel chamber configured to pass the fuel in heat exchange relationship with the coolant fluid while isolating the fuel from the coolant fluid.