The U.S. Patents of Nikola Tesla

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coils through two independent conductors, while the opposite terminals the respective coils are both con­ nected one return-wire. Fig.nited tates ten Office.or terminal B', line*wire D, brush a', ring aud wire/, fixes the polar line the motor midway between, the two coils 11; but the coil moves from the po- io< .!*) system in various ways, will seen fay. designate tfae poles of the field-magnets alternating-current generator, the' armature which, being in this case cylindrical form and mounted 65 shaft, wound longitudinally with coils B B'.137. For sake of Illustration, the generator have two in-’ dependent coils and the. illus­ tration, with the order connection shown, coil the generator producing its maxi­ mum current and coil its minimum; hence the eurrébfc which passes through ire ,. In previous applications for patents made by have shown and described electrical systems for the transmission power and the. 45 This invention applicable. So far the apparent action mode oi operation this arrangement concerned, the single wire D,which js, 3peak,a com­ mon return-wire for both circuits, maybe re- 90 garded two independent wires. conversion and distribution electrical en- 15 ergy, which the motors'and the transformers contain two morecoilsor setsof coils,which •were connected independent circuits with corresponding coils ofan alternating-cur­ rent generator, the operation the system be- 20 ing brought about the co-operation the alternating currents the independent cir­ cuits progressively moving shifting the poles points maximum magnetic effect of the motors converters. 70 to the third ring, a.reference, to the drawings, which— Figure diagrammatic illustration a generator and single motor constructed and 50 electrically connected accordance with the invention. NIKOLA. ELECTRIC COMPANY, SAME PLACE. SPECIFICATION forming part Letters Patent No. motor two coils or two sets coils corresponding relations to its operative elements one terminal each 40 generator-coil connected the correspond­ ing terminals the motor . these systems, 25 have described them, two independent conductors were emjiloyed for each the independent circuits connecting the gener­ ator with the devices for converting the trans­ mitted currents into mechanical energy or 30 into electric currents another character; but have found that this not always neces­ sary, and that the two more circuits may have single return path wire common, with loss, any,which extremely slight 35 that may disregarded entirely. (No model. A motor this ease shown copipostu of ring, wound with four coils, J, electrically connected, co-operate in pairs; with tendency fix the poles the 75 ring four points ninety degrees apart. The terminals7 the two sets 80 pairs coils are connected, respectively, to the binding-posts'' F', and the other termi­ nals, are connected single binding- post, D'. It obvious that for purposes this inven­ tion motors transformers, which may all designated converters,” are the same,and that either both may operated the 60 same system arrangement circuits., ASSIGNOR THE TESLA. 3 illustrates diagramraatically the manner of operating two more motors converters,or 55 both, series. 270. Within the magnetic ring disk cy­ lindrical core wound with two coils, G', which may connected form two closed circuits. The íe. Referring Fig.naming terminals, are both connected. TESLA, NEW YORK, Y. diagram the system as nsed operating motors orconverters, or both, parallel multiple are. operate the motor, three line- wires are used connéct the terminals the 85 generator with those the motor.it concern; Be known that Nikola Tesla, sub­ ject the Emperor Austria, from Smiljan, Lika, border country Austria-Hungary, re* 5 siding the city, county, and State New York, have invented certain new and useful Improvements Systems Electrical Dis­ tribution, which the following specifi­ cation, reference being had the drawings ac- io company}ng and forming part the same. Application filed April 10,1888, Serial Ho. 390,7-18, dated October 1888. The shaft carries three insulated con­ tact-rings, two which, one terminal each coil, ed, connected.rin 95 b, brush line-wire terminal E', wire 7, coils wire . Fig.) To all whom . SYSTEM ELECTRICAL DISTRIBUTION