Water softening

Details Water softening Water softening

2005-04-05

2005-04-05

Reifsnyder, David A. (Department: 1723)

Liquid purification or separation

Processes

Using magnetic force

C210S748080, C210S222000, C210S243000, C204S554000, C204S557000, C204S660000, C204S664000, C422S186010, C336S180000

Reexamination Certificate

active

06875360

ABSTRACT:
A method and apparatus for water softening utilising magnetic pulses is provided. The magnetic pulses are presented to a volume of water within a water conduit6or water container over a predetermined time period with a relaxation time period between successive predetermined time periods of action upon the volume of water. The magnetic pulses are in the range 1.6 to 6.8 KHz and generally presented in a manner whereby the frequency is ramped in discrete frequency shifts over fixed time periods through the predetermined time period in order to facilitate greater water softening action. Normally, each frequency harmonic is initiated by an initiation spike of enhanced magnetic strength.

REFERENCES:
patent: 5074998 (1991-12-01), De Baat Doelman
patent: 5171431 (1992-12-01), Schulte
patent: 5667677 (1997-09-01), Stefanini
patent: 6145542 (2000-11-01), Walker
patent: 6146526 (2000-11-01), Pandolfo
patent: 6743366 (2004-06-01), Telfer et al.

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