Patent ID: 7500473
Filing Date: 2009-03-10
Classification: F02M,Y10T

Abstract:
1. A vehicle fuel supply device including a saddle-shaped fuel tank which is comprised of a main chamber and an auxiliary chamber for storing fuel to be fed to an engine, the vehicle fuel supply device comprising: a reservoir disposed within the main chamber; a main pump provided within the reservoir, for drawing up the fuel of the reservoir by driving in a period from a time of normal speed of the engine to a time of high engine speed; a sub-pump detachably provided within the reservoir, for drawing up the fuel in the reservoir by driving in the time of high engine speed; a strainer provided within the fuel tank and communicating with the main pump via a main pumping pipe, with the sub-pump via an auxiliary pumping pipe, and with the engine via a supply pipe; a pressure regulator communicating with the strainer, for adjusting an internal pressure of the strainer to a set value and returning excess fuel to the reservoir from among the fuel that is drawn up by the pumps; and transfer means for transferring the fuel from the auxiliary chamber into the reservoir within the main chamber.