One-piece anti-drainback and relief valve
作者： Edward A. Covington
DOI:
关键词:
摘要: A spin-on fluid filter of the type having a hollow, cylindrical element enclosed within an outer container and end plate, is provided with one-piece, combination anti-drainback relief valve. The valve includes axially movable sleeve, one thereof being disposed element, other normally engaging plate radially inwardly inlet ports outwardly outlet port formed in plate. resilient annular seal extends from sleeve to engage ports. spring for urging downwardly into engagement diameters portions are preferably smaller than diameter central portion thereof.
lens.org 参考文章(8)
Kingsley E Humbert, Combined anti-drain back valve and by-pass valve ,(1969)
Jesse A Baldwin, Filter assembly having a two-way bypass valve therein ,(1968)
Scott Trierwiler, John Lowsky, Nicholas Torchia, Pressure relief valve assembly with plastic, one-piece valve ,(1988)
Jr Kingsley E Humbert, Jr Lewis M Hough, Ralph L Young, Screw neck type filter cartridge ,(1955)
Jr Kingsley E Humbert, Filter unit having dual purpose valve assembly ,(1962)
Scott Trierwiler, John Lowsky, Nicholas Torchia, Plastic pressure relief valve assembly ,(1988)
E Dudinec, J Wilhelm, Filter anti-drainback and relief valves ,(1971)
Jr. Kingsley E. Humbert, Filter with multiple attaching means ,(1976)