The U.S. Patents of Nikola Tesla

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Referring Fig.coils through two independent conductors, while the opposite terminals the respective coils are both con­ nected one return-wire. 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'. Fig.nited tates ten Office. 45 This invention applicable. In previous applications for patents made by have shown and described electrical systems for the transmission power and the. 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 . 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. 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'.137. 70 to the third ring, a. The shaft carries three insulated con­ tact-rings, two which, one terminal each coil, ed, connected. SPECIFICATION forming part Letters Patent No. ELECTRIC COMPANY, SAME PLACE.rin 95 b, brush line-wire terminal E', wire 7, coils wire . The íe. (No model. SYSTEM ELECTRICAL DISTRIBUTION. Fig.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. 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 ,. 3 illustrates diagramraatically the manner of operating two more motors converters,or 55 both, series. diagram the system as nsed operating motors orconverters, or both, parallel multiple are. 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. Within the magnetic ring disk cy­ lindrical core wound with two coils, G', which may connected form two closed circuits. For sake of Illustration, the generator have two in-’ dependent coils and the.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< ., ASSIGNOR THE TESLA.!*) system in various ways, will seen fay. 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. Application filed April 10,1888, Serial Ho. TESLA, NEW YORK, Y.reference, to the drawings, which— Figure diagrammatic illustration a generator and single motor constructed and 50 electrically connected accordance with the invention. 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. NIKOLA.) To all whom . 390,7-18, dated October 1888. 270.naming terminals, are both connected. operate the motor, three line- wires are used connéct the terminals the 85 generator with those the motor. 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