Liquid purification or separation – Magnetic
Patent
1981-01-23
1984-12-25
Adee, John
Liquid purification or separation
Magnetic
210354, 210695, B01D 3506
Patent
active
044902522
ABSTRACT:
A magnetic apparatus comprising an electromagnetic coil surrounding a feed water inlet tube, having an electrical D.C. winding about the tube and a ferromagnetic helix closely fitting within the inside of the tube rotating in response to water pressure. The magnetic helix which rotates in response to water flow in the casing fits quite closely to the inner wall of the tube, the helix being only slightly smaller than the inside diameter of the tube to thereby create a flow directed tangentially along the tube surface the helix further creates an induced electromagnetic field interaction with the winding to direct the magnetic lines of force within the casing. This combines electromagnetic forces and water flowing forces to prevent calcareous deposition along the walls of said casing and to assist in keeping the walls of deposits. The impeller is formed of a helical band rotating on a shaft which is journalled on a finned support which is fitted within the pipe at a wider diameter where it tapers to a narrower diameter so that the impeller unit can be withdrawn from the tube by pulling it back in the wider inner portion of the feed water inlet tube against the direction of the water flow. Thus the tapered feed water inlet tube serves to lock the impeller unit in place.
REFERENCES:
patent: 2125532 (1938-08-01), Wells
patent: 2596743 (1952-05-01), Vermeiren
patent: 2652925 (1953-09-01), Vermeiren
patent: 3228878 (1966-01-01), Moore
patent: 3950807 (1976-04-01), Sanderson
patent: 4226720 (1980-10-01), Brigante
Adee John
Saffitz A. A.
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