Self evacuating water-separating fuel filter

Details Self evacuating water-separating fuel filter Self evacuating water-separating fuel filter

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 37/22 (2006.01) B01D 27/06 (2006.01) B01D 36/00 (2006.01)

Patent

CA 2204695

A spin-on water-separating fuel filter has a built-in central drain tube for providing a sump port at the connection end of the spin-on filter located near the fuel inlet and fuel outlet ports. Water removed from the fuel is collected in a sump at the base of the filter. The drain tube, supported in the bore of the filter element, has a sump end projecting into the sump, and an outlet end adjacent to and aligned with a central threaded opening at the connection end of the filter. The outlet end of the drain tube, self-centered near the threaded opening, has a captured gasket which forms the sump port. When the filter is installed on the mounting head, the outlet end of the drain tube is coupled to a short stub tube projecting from the center of the central threaded neck to form a sealed passage for evacuating water from the sump.

Le filtre amovible séparant l'eau du carburant comporte un tube de drainage central intégré afin de disposer d'un orifice de vidange à l'extrémité de raccordement du filtre amovible situé près des orifices d'entrée et de sortie du carburant. L'eau retirée du carburant est recueillie dans un bac de vidange à la base du filtre. Le tube de vidange, soutenu dans l'alésage de l'élément filtrant, a une extrémité de vidange qui fait saillie dans le bac de vidange, et une sortie qui est adjacente à une ouverture centrale filetée et en ligne avec celle-ci à l'extrémité de raccordement du filtre. L'extrémité de sortie du tube de drainage, à centrage automatique près de l'ouverture filetée, comporte un joint prisonnier qui forme l'orifice de vidange. Lorsque le filtre est installé sur la pièce de montage, l'extrémité de sortie du tube de vidange est raccordée à une courte tubulure qui est en saillie à partir du centre du col fileté pour former un passage scellé pour l'évacuation de l'eau du bac de vidange.

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