Liquid purification or separation – Flow – fluid pressure or material level – responsive – Maintaining stream pressure or flow
Patent
1981-09-11
1983-05-03
Adee, John
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Maintaining stream pressure or flow
137541, 210432, 210446, B01D 3502
Patent
active
043819958
ABSTRACT:
An in-line filter element is disposed within a tubular valve spool which shifts to either meter or shut-off fluid flow through the valve in response to a preselected pressure differential across the valve and element which is some value below a value which could result in damage to the filter element.
REFERENCES:
patent: 2184761 (1939-12-01), Wier
patent: 3516540 (1970-06-01), Landree et al.
patent: 4129144 (1978-12-01), Andersson et al.
Adee John
Deere & Company
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