US1286050A - Rectifying system. - Google Patents

Description

F. W. MEYER.

RECTIFYING SYSTEM.

APPLICATION HLED MAR. 24, I9l5.

Patented Nov. 26, 1918.

. INVENTOR Fr/edr/ch W/l/eye/ ATTORNEY UnirrEn STATES PA FRIEDRICH W. MEYER, OF PITTSBURGH, PENNSYLVANIA, ASSIGNOR T WESTINGHOUSE NT OFFICE.

ELECTRIC AND MANUFACTURING COMPANY, A CORPORATION OF PENNSYLVANIA.

RECTIFYING SYSTEM.

Specification of Letters Patent.

Patented Nov. 26, 1918.

Application filed March 24, 1915. Serial No. 16,678.

To all whom it may concern:

Be it known that I, Fnmnnron W. MEYER, asubject of the Emperor of Germany, and a resident of Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Rectifyin Systems, of which the following is a speci' cation.

My invention relates to the art of current rectification by means of vapor arcs, and

tion of my invention.

In Patent No. 1,253,267, issued tothe Westinghouse Electric & Manufacturing Company onJan. 15, 1918, on an application filed by myself, I have described and claimed a system wherein current from a plurality of distinct circuits is r :tified si- "multaneously within a single rectifier. The

system therein disclosed operates satisfactorily in allv cases where the only connection between the different circuits is at the common cathode, but, when there is a diffrence of potential between two or more vapor arcs, as, for example, when two rectifying arcs are operating in series with each other to supply a single load, there is a tendency for coalescence between the two arcs, with consequent elimination of a portion of the circuit. In accordance with my present invention, I effectively prevent this harmful action by restricting communication between the different are spaces to only such an amount as is required for pressure equalization, and I rovlde means for producing a magnetic lowout flux in the restricted communicating space, whereby, if either are tends to trespass upon the space of the other, it is immediately forced back or extinguished by magnetic action.

Referring to the form of my invention shown in Figs. 1 and 2, a closed container 4: is provided with suitable anodes 5-5 and 6-6 and with cathodes 7 and 8 associated respectively therewith. The container 4 is preferably constructed of a non-magnetic mercury-resisting metal, such, for example, as nickel iron alloy, for a purpose to be hereinafter pointed out. 'The cathodes 7- and 8 are insulated from the container 4 by suitable insulating cups 9 and 10. Current derived from a supply system 11 is rectified through the joint action of the anodes 5-5 and the cathode 6 and is supplied to any suitable load 14. In like manner, current derived from a system 13 is rectified by the joint action of the anodes 66 and the cathode 8 and supplied to a con-' ductor 12 in series with the first named rectifying system. In order to effectively separate these two rectifying arcs, the interior of the container 4: is divided into two chambers 15 and 16 separated by a com osite perforated partition comprising refractory members 17 and 18 of non-magnetic material, such, for example, as porcelain, and members 19 and 20 of magnetic material. The various members of the above mentioned partition are fitted together to form a central opening 21 connecting the spaces 15 and 16, allowing pressure equalization therebetween and ready evacuation of the container by a single pump. An electromagnet 22, energized from a suitable source 23, embraces the container 4 and presents its pole faces opposite the outer edges of the magnetic members 19 and 20, thus maintaining astrong magnetic flux across the opening 21.

In the operation of my device, rectifying arcs may be started and maintained in'both chambers 15 and 16 by any suitable means and will operate to rectify current from the two systems 11 and 13. When either are attempts to strike over into the chamber occupied by the other are, because of the difference of potential therebetween, it will be diverted or'extinguished by the action of the magnetic flux in the space 21 and coalescence of the arcs, with consequent disturbance and undesired current interchange between the two systems, will be effectively prevented.

In the form of my invention shown in Fig. 3, two vapor rectifiers 24 and 25 of the usual type are connected by a tube 26 so that they will be maintained at like pressures and may be evacuated simultaneously. An electromagnet 27 embraces the and I desire, therefore, that no limitations shall be placed thereupon except such as are imposed by the prior art or are specifically set forth in the appended claims.

I claim as my invention:

.1.'In a vapor rectifier, the combination with a plurality of rectifying arcs, of dynamic means for preventing said arcs from coalescing, said means permitting the free passage of gases; from one arc space to the other. I p

2. In a vapor rectifier, the combination with a' plnrallty of rectifying arcs, of magnetic means for preventing said arcs from coalescing.

3. In a vapor rectifier, an anode and a cathode assoclatedtherewith, another anode and an additional cathode associatel therewith, and dynamic means for preventing arcs between each pair of electrodes from coalescing.

4. In a vapor rectifier, an anode and a cathode associated therewith, another anode and an additional cathode associated therewith, and magnetic means for preventing arcs between each pair ofelectrodes from coalescing. i 5. The combination with an evacuated container, of a perforated partition dividing the interior thereof into two chambers, and means for maintaining a distinct rectifying arc in each of said chambers.

6. The combination with an evacuated container, of a perforated partition dividing the interior thereof into two chambers, means for maintaining a distinct rectifying arc in each of said chambers, and means for preventing each of said arcs .from striking over into the other chamber.

7. The combination with an evacuated container, of a perforated partition dividing the interior thereof into two chambers, means for maintaining a distinct rectifying arc in each of said chambers, and means for extinguishing either of said arcs if it attempts to strike through the perforation in said partition.

p 8 he combination with an evacuated container, of a erforated partition dividing the interior t ereof into two chambers, means for maintaining a distinct rectifying arc in each of said chambers, and magnetic means for extinguishing either of said arcs 10. The combination with an evacuated container, of a erforated partition dividing the interior t 'ereof into two chambers,

means for maintaining a distinct rectifying arc in each of said containers, and means for providing a magnetic blowout adjacent the perforation in said artition.

' 11. The combiriatwn with an evacuated container, of a' erforated partition dividing theinterior t ereof into two chambers, means for maintaining a distinct rectifying arc in each of said chambers, and a magnet external to the container and embracing the perforated ortion of said partition between its poles, w ereby a magnetic blowout field is maintained in said perforation.

12. The combination with an evacuated container, of a plurality of anodes therein and insulatedtherefrom, a air of cathodes therein and also insulated t erefrom, means for maintaining a rectifying are between a portion of said anodes and one of said cathodes, means for maintaining an additainer and means for maintaining two distinct rectifying arcs therein, the respective cathodes being at different potentials.

15. In a rectifying system, a closed container, and means for maintaining two distinct rectifying arcs therein, the respective cathodes being at difi'erent potentials and included in a common circuit;

In testimony whereof, I have hereunto subscribed my name this 12th day of March,

1915. DR. FRIEDRICH W. MER.

Witnesses: D. G. DAVIS, B. B. Hume.

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