Patent ID: 6712590
Filing Date: 2004-03-30
Classification: B01D,F02M

Abstract:
A device for drawing fuel for a motor vehicle tank, the device comprising a drawing pump (100) and a fine filter (210) placed upstream from the pump (100), and being characterized by the facts that: the housing (200) of the filter possesses a degassing orifice (222) in the top portion thereof;the drawing pump (100) also possesses a degassing orifice (130); and the filter housing (200) is fitted with a duct (224) which extends the degassing orifice (222) of the housing (200), opens out into a cavity (220) common to the degassing orifice of the pump (100), and possesses a mouth (227) situated at a height that is equal to or lower than that of the degassing orifice (130) of the pump (100), said duct (224) being shaped so as to constitute a siphon suitable for conveying fuel around the mouth (227) to the inside of the filter housing (200) while the drawing pump (100) is being stopped.