B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
137/14, 182/86
B01D 36/00 (2006.01) B01D 17/02 (2006.01) F02M 37/22 (2006.01) F16K 51/00 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1290644
ABSTRACT OF THE INVENTION A drain assembly for diesel engine fuel filters and the like consists of separate drain and vent valves mounted closely adjacent one another in the bottom wall of the collection bowl of the filter and intercoupled so that actuation of the drain valve also actuates the vent valve after the drain valve has been opened. The vent valve is a spring biased valve located higher than the drain valve and preferably is a tire core type valve. The drain valve may be a spring biased push type valve or a valve threadedly mounted in the bottom wall of the collection bowl for vertical movement to open a valve seat in the collection bowl and in either embodiment includes a shoulder interengageable with the vent valve for actuation of the latter. Both drain valves include a hose connector which rotates relative to the collection bowl or cartridge assembly to facilitate replacement of the latter, the threaded type drain valve including a snap-in type swivel for the hose connector.
564842
Church John F.
Neff Steve A.
Parker-Hannifin Corporation
Ridout & Maybee Llp
LandOfFree
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