Self-venting valve arrangement

Details Self-venting valve arrangement Self-venting valve arrangement

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 24/02 (2006.01) B01D 17/00 (2006.01) B01D 36/00 (2006.01) F02M 37/22 (2006.01)

Patent

CA 2177886

A self-venting valve having its principal parts molded of nylon reinforced with glass fibers is mounted in the bottom of a fuel filter assembly to drain water and other contaminants from the assembly. The self-venting valve includes a plunger portion with a bore therethrough for draining water from the fuel filter assembly and a valve body member which receives the plunger. The valve body member has a vent hole therein which communicates with the interior of the housing to let air into the housing so that as the water drains from the housing a partial vacuum is not created which might interrupt the flow of water. The plunger is biased to the valve closed position by a coil spring, however the valve may be held in the open position by misaligning lugs on the plunger with slots in the valve body member.

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