US2591826A - Galvanic water correction device - Google Patents

Description

April 1952 'r. c. JONES GALVANIC WATER CORRECTION DEVICE Filed Jan. 5, 1946 Patented Apr. 8, 1952 -UNlTED STATES PATENT FFlCE 2,591,826 7 ,GALVANIC WATER CORRECTION DEVICE Theodore C. Jones, Louisville, Ky.; Anna C. Jones, executrix of said Theodore C. Jones, deceased, assignor, by mesne assignments, to Electromatic Engineering Company, Inc.

Application January 3, 1946, Serial No. 638,744 t 3 Claims. (Cl. 204-;248)

The invention relates to a new and improved galvanic water correction device for hot water systems in general and more particularly for use in high temperature boilers and the like, the device being similar to that disclosed in my prior U. S. application Serial No. 525,733, filed March 9, 1944 (now Patent Number 2,461,325). In that prior device, negative inserts were clamped tightly between positive elements with the ends of said inserts received in sockets of said positive elements, and during use, said inserts were found to become unitarily connected with said positive elements, so tightly that the connections were substantially the equivalent of fusing. This led to diificulty in' freeing the remnants of the inserts from the positive elements whenever new inserts were to be placed in the device.

It was the object of the present invention to overcome the above difiiculty, and actual practice has shown that the desired end has been attained, thereby saving time, trouble and expense in substituting new inserts for old when the latter become so eroded as to require replacement.

Figure l of the accompanying drawings is a side elevation, partly in longitudinal section, showing one form of the improved device.

Fig. 2 is a plan view partly in horizontal section, as indicated by lin 2--2 of Fig. 1. I

Fig. 3 is an enlarged transverse section showing the manner of removing a remnant of one of the inserts from the adjacent positive element.

Fig. 4 is a perspective view of one of the auxiliary positive elements hereinafter described. v i Fig. 5 is an enlarged detail section showingthe electroplating on the main and auxiliary positive elements, said electroplating being omitted from the preceding views due to the small scale ofsaid views.

The construction disclosed in the drawings may be considered as preferred and while it will be specifically described, attention is invited to the possibility of making variations within the scope of the invention as claimed. It may also be explained that while the drawings show the device with its inserts disposed vertically, it can well be used with said inserts horizontal. Therefore, such expressions as "upper" and lower, hereinafter used, are to be considered as relative, rather than limiting.

Upper and lower main positive elements 6 and l are shown in the form of cast or forged metal bars having shallow vertically alined cylindrical sockets 8 in their inner opposed sides.

Auxiliary positive members 8 are provided, in

the form of cupped disks received inthe sockets cylindrical and are smooth both externally and internally, and said side walls I2 are provided at their free edges with marginal outwardly pro-;

jecting flanges I3. The aforesaid flat, smooth, major portions of the cupped diskslie against the flat, smooth, inner end wallsof the sockets 8; the smooth,'cylindrical side walls I2 lie closely adjacent to the smooth. cylindrical, side walls of said sockets 8; and the flanges l3 lie against or closely adjacent to the inner opposed sides of the bars 6 and 'l.

Cylindrical negative inserts I4 have their ends seated in the cupped disks 9 and are preferably composed of a suitable zincous alloy. These inserts have, smooth flat end surfaces I5, and smooth peripheral surfaces I6. The end surfaces I5 lie against the fiat smooth "major portions of the cupped disks 9, and the end portions of the smooth peripheral surfaces I8 lie closely adjacent to the smooth side walls I2 of said cupped disks 9.

Tie bolts I! extend through the bars 6 and 1 between the inserts I4 and tightly clamp the parts together, with the major portions of the cupped disks 9 in water-tight contact with the end surfaces I5 of the inserts I 4 and with the end walls of the sockets 8. Also, when the device becomes heated by the boiler water, the inserts I4 expand more than the bars 8 and 1, and the side walls I2 of the cupped disks become water-tightly clamped between the smooth peripheral surfaces I6 of said inserts and the side walls of the sockets 8. Thus, the extremities of the inserts are sealed in the cupped disks 9 and protected against galvanic erosion and said in serts cannot, therefore, become shortened and freed. The rosion occurs inwardly from the periphelies of the inserts and gradually wears them away into spool form. When these inserts are to be replaced with new, ones, it will be found, during disassembly, that the cupped disks 9 have become unitarily connected with the ends of said inserts, as if fused thereto. The cupped disks 9, however, will not be found so tightly connected with the bars 6 and 1, due to the uniform patential of said disks and bars, and said disks may be readily pried out of the sockets 8 by inserting a screw driver or the like [8 under the flanges i3 (see Fig. 3). These removed disks may then be discarded with the old inserts. Then, new cupped disks and inserts may be substituted and the device reassembled. The installation of new inserts is thus greatly facilitated.

From the foregoing and the accompanying drawing, it will be seen that novel and advantageous provision has been made for attaining the desired end, and while preferences have been disclosed, attention isagain invited tov the possibility of making variations within the scope of the invention as claimed. For example, while the cupped disks 9 are shown separate from the inserts i4 and as having substantial thickness, said disks could be mere films electroplated on said inserts.

The parts I9 in the drawing, are simply well known insulators.

I claim:

1. A self-contained electrolytic self-energizing correction device comprising: a pair of spaced electropositive main metallic elements having corresponding sockets in opposed relationship; an electropositive auxiliary metallic member for each socket, each auxiliary member being indented: to provide a raised boss on one side and a; corresponding recess on its opposite side, the raised boss being snugly fitted into said socket; an electronegative metallic element extending from one electropositive main element to the other withone end snugly fitted into a recess of one auxiliary member and with its opposite end snugly fitted'into the recess of the auxiliary member in the opposed socket; and means for removably connecting the electropositive main elements to each other to clamp the parts into a single unitary assembly.

2. The device of claim 1 wherein: each auxiliary member has a marginal flange overlying the adjacent main element so that when the unitary assembly is unclamped, a prying tool may be forced between the flange of an auxiliary member and the adjacent main element to effect the separation of such parts.

3. .An electropositive. and negative. replacement assembly of the type adapted to be clamped between spaced main electropositive metallic elements with opposite ends of the replacement assembly snugly fitted into opposed sockets of the main elements so that said assembly and main elements form a self-contained electrolytic selfenergizing correction device comprising: an electronegative metallic element adapted to bridge the space between the electropositive main elements; and an electropositive auxiliary metallic member for each end of said electronegative element, said auxiliary member being indented to provide a recess on one side into which the end of said electronegative element extends with a snug fit and a correspondingly raised boss on its opposite side which is adapted to be snugly fitted into the socket of an electropositive main element.

THEODOREC. JONES.

REFERENCES CITED 9 The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Number Name Date 629,092 Ross July 18, 1899 999,108 Hickey July 25, 1911 2,337,151 Butler Dec. 21, 1943 FOREIGN PATENTS Number Country Date 2,662 Great Britain of 1885

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