Liquid purification or separation – Flow – fluid pressure or material level – responsive – Maintaining stream pressure or flow
Patent
1989-02-21
1990-07-10
Jones, W. Gary
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Maintaining stream pressure or flow
210206, 210209, 204197, 137503, 138 45, 138DIG6, C02F 502
Patent
active
049405381
ABSTRACT:
An inlet nipple and a housing having a water passage extending therethrough that have first, second and third water bore portions of progressively larger diameters in a downstream direction. A variable throttle point is formed by a fixed member and a movable member acting in conjunction with the bore portions that produce a turbulent flow causing cavitation downstream of the throttle point independently of the quantity of flow. In one embodiment the movable member includes a closure portion seatable against a seat formed at the intersection of the bore portion and an annular portion that in conjunction with a bore portion forms an annular water flow space downstream of the closure portion. In the second embodiment the fixed member has a closure portion converging toward an aperture in the movable member which is in the shape of a cup. A filter insert is secured to the housing to collect precipitated material while a layer of galvanically soluble metal is provided on the movable member to have water flow thereover.
REFERENCES:
patent: 3686092 (1972-08-01), Stehlin
patent: 3835015 (1974-09-01), Gary
patent: 3919068 (1975-11-01), Gary
patent: 4172465 (1979-10-01), Dashnen
patent: 4606828 (1986-08-01), Wells
patent: 4781805 (1988-11-01), Dahlgrer
Jakobsen Niels-Henrik G.
Kyster Erik
Molbaek Jens J.
Stenderup Ole
Straede Bjarne
Danfoss A/S
Easton Wayne B.
Johnson Clayton R.
Jones W. Gary
Savage Matthew O.
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