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Electronic scale reduction technique
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Inventors: Cho, Young I.;
Assignee: Electronic Descaling 2000, Inc. (Boothwyn, PA)
Primary Examiner: Reifsnyder; David A.
Assistant Examiner:
Attorney, Agent or Firm: Lipton, Esq.; Robert S. Lipton, Weinberger & Husick
For producing controlled precipitation in fluid flowing through a pipe, a coil of electric wire, of flat, generally rectangular spiral shape, is sandwiched between flexible cover sheets. The resulting assembly is applied to the outer circumference of the pipe, with the lengthwise dimension of the coil extending perpendicularly to the flow inside the pipe. A time-varying electric current is applied to the coil to produce a corresponding magnetic field. This, in turn, causes induction which produces the controlled precipitation. |
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DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to FIG.
1, this shows a sandwich-like assembly 10 of support sheet 11, flat spiral wire coil 12 and cover sheet 13.
In this illustration, the cover sheet 13 has been shown partially peeled back in order to provide a clearer picture of the sandwich-like construction of assembly 10.
In a real finished assembly, this cover sheet 13 overlies coil 12, and also support sheet 11 where that support sheet is not itself overlaid by the coil 12.
Coil 12 is preferably attached to support sheet 11 by means of a tape 12a underlying the coil and coated with adhesive on both faces.
Likewise, coil 12 is attached to cover sheet 13 by having the latter's face 13a coated with adhesive.
Adhesive tape 12a should have surface dimensions slightly greater than those of the flat, spiral coil, but smaller than the surface dimensions of the respective support and cover sheets 11 and 13.
The two ends of coil 12 are brought out to terminals 14 and 15, for connection to the electric circuitry (not shown) which is used to energize the coil 12.
As can be seen from FIG.
1, the coil 12 has a generally rectangular configuration, with a long dimension (or length) 16 and a short dimension (or width) 17.
The corners of the rectangle are somewhat rounded, consistent with the bending characteristics of the electrical wire of which the coil 12 is formed.
Preferably, this wire is itself insulated, to prevent shorting between adjacent turns of the coil, and also to enable the innermost end of the spiral to be brought out to terminal 15 across the other turns of the coil 12.
The wire of which coil 12 is made is preferably of the stranded variety, rather than solid core.
This is so that the wire will be relatively flexible, both in order to form the desired bends at the four corners of the rectangular coil, and to facilitate flexing of the entire assembly 10 when being applied to a pipe in accordance with the invention.
It will be understood that the number of turns and the specific geometry of spiral coil 12, shown in FIG
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MEMS 
