Liquid purification or separation – Magnetic
Patent
1980-05-27
1981-09-08
Spitzer, Robert H.
Liquid purification or separation
Magnetic
210243, C02F 148
Patent
active
042883237
ABSTRACT:
A unitary package for water treatment for attachment to a home hot water heater, boiler and the like which is adapted to be easily serviced and installed by the home owner. The water treatment device is constructed to provide free and unobstructed flow of water with no restriction and provides a long-lasting life with very little maintenance. The water treatment device comprises an electromagnetic coil energized by D.C. which completely encircles a control conduit pipe. This pipe is provided at the inlet thereof with a T-shaped fitting having an inlet; the pipe is also provided at the outlet thereof with a similar T-shaped fitting having an outlet. Each of the T-shaped fittings is provided with a male plug at opposing ends for supporting a bearing bushing beyond the inlet and outlet openings of the T-shaped fittings. Each of the bearing bushings supports a solid helical impeller and shaft which rotates only when water flows through the central pipe. The impeller is made of stainless steel (ferromagnetic) and is fitted to a very close tolerance to the wall of the central pipe thereby sweeping in a broom fashion the inner wall free from particles which tend to deposit on the wall when the electromagnetic coil is energized. Since the bearing bushings are outside of the flow line of water, they do not obstruct the free flow of water and are so constructed to provide a long-lasting life.
REFERENCES:
patent: 1949660 (1934-03-01), Roberts
patent: 1988197 (1935-01-01), Foss
patent: 2067108 (1937-01-01), Upton
patent: 2235052 (1941-03-01), Trier
patent: 2652925 (1953-09-01), Vermeiren
patent: 2690842 (1954-10-01), Spluvak
patent: 2939830 (1960-06-01), Green et al.
patent: 3302934 (1967-02-01), Milligan
patent: 3463319 (1969-08-01), Moragne
Saffitz Abraham A.
Spitzer Robert H.
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