Patent ID: 6098600
Filing Date: 2000-08-08
Classification: F02M

Abstract:
A fuel supply apparatus for a fuel tank, comprising:a sub-tank disposed within the fuel tank, and having a fuel inlet passage through which fuel in the fuel tank is introduced into said sub-tank;a fuel pump disposed within said sub-tank for sucking fuel in said sub-tank and for discharging said fuel; anda jet pump for injecting fuel into the sub-tank and for delivering fuel from the fuel tank into said sub-tank through said fuel inlet passage using a negative pressure generated by said fuel injection; wherein,said jet pump includes a fuel supply passage and a fuel injection passage disposed downstream in a fuel flow direction from said fuel supply passage, an injection passage axis of said fuel injection passage being disposed at a predetermined angle to a supply passage axis of said fuel supply passage for injecting fuel received from said fuel supply passage into said sub-tank, said fuel injection passage axis deviated from said supply passage axis so that said passage axes do not intersect, said fuel injection passage having a passage diameter larger than a passage diameter of said fuel supply passage at a point where said fuel supply passage and said fuel injection passage are in communication with each other.