Patent ID: 6123511
Filing Date: 2000-09-26
Classification: B60K,F02M,F04F

Abstract:
A fuel supply apparatus for drawing off fuel for a motor vehicle tank, the apparatus comprising:a secondary reserve (20) placed in a main tank (10);a main pumping means (30) for drawing fuel from the reserve (20); anda jet pump auxiliary pumping means (40) for drawing fuel from the main tank and for transferring the fuel to the secondary reserve (20), said jet pump having a body (41) with a venturi and the body (41) of the jet pump (40) being angularly positioned to be vertical, with its outlet facing upwards;said apparatus further having a deflector (60) placed facing an outlet (47) of the jet pump (40) to return the fuel coming from a nozzle of the jet pump (40) to an inside of the venturi to facilitate priming the jet pump, when the flow of fuel injected into the jet pump (40) is injected at a rate lower than a predetermined threshold, the deflector (60) being provided with a substantially hemispherical cavity (61) disposed coaxial with the outlet (47) of the jet pump, said hemispherical cavity being concave facing said outlet.