The U.S. Patents of Nikola Tesla

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65 Figure diagram illustrative the mode applying the invention the well- known type closed continuous circuit machines.a, sub­ ject oftbeEmpcroiTof Austria, from Stniljan, Lika, border. The object is to pass through coils currents such relative strength and direction produce a progressive shifting movement the 90 points ofmaximům magnetic effect aronnd the ring, and thereby maintain rotary move­ ment the armature, therefore secure to the abaft the generator four insulated . Fig.BM .vm concern: Be itikwAwn tlvat Nikota Tesi. m ■; To jvTmhj, it:.KI. let Arepresent oneof my improved motors transformers, which,'for convenience, shall designate ^converter,” which consists annular core, wound with four independent coils, and those 80 diametrically opposite being connected to­ gether co-operate pairs estab­ lishing free poles the ring, the tendency of each pair being fix the poles ninety de­ grees from the other.the following specifi- cationvsreferénee iieing had the drawings io accóinpanýing andTorming part the same., ASSIGNOR THE TESTA- ELECTRIC.414.States Patent Office. 'There may aruia- 85 ture, within the ring, which wound with coils closed upon themselves. terminals coils and i>. (K om odel. Now, it will understemd-that the operation of 40 any dynamo cieclriogencrator the currents is the coils their movement through the field of force undergo different phases—that to say, ab." ■ COMPANY, SAME PLACE.BEST AVAILABLE COP 'LÍnipíed . Iucertainpatentsgranted toCharles Peck and royself—notably Patents No. contact-rings, upon which cause 95 bear the collecting-brushes a'b'c'd\ connected by wires respectively, with (lie. the said applications the descrip- tions and-iUiistrations the generators were confined ;to those types alternating current machine which the current generating coils a5 are independent separate; bfit 1have found that the ordinary forms continuous current dynamos nowin usemaybereadily andcheaply adapted system, utilized both con­ tinuous and alternating current generators 30 with but slight changes ;iu their construction.-381,968 and No. The mode of.country Austria-Hungary, 5 now residing aťNcw York, the county and State ofNew. Fig. ; DYNAMO-ELECTRIC MACHINE. 390.) which the currents arc taken off—will he determined solely what order varia­ tions strength and direction the currents is desired for producing given result the 55 electrical translating device. ", AniiHt»il«n Mod April S3,IS??. 75 Referring Fig.effecting tilts forms the substance of inypresent application.York, have invented ceriain new and useful Improvements Dynamo-Electric Machinefi^ wbjeh. SPECIFICATION forming part Letters Patent No. complished various ways; but lit, the draw­ ings have given typical instancesonly ofthe bestand mostpracticable waysof applying the invention three the best-known types 60 machines, order illustrate the principle and 60enable any one skilled the art ap­ ply the invention any other case under any modified conditions which the circum­ stances parti.cnlar cases may require. dated October 3888. Generallystat^disthe plan pursued mein carryjjig'iOuft'itiiisiiiiiYentioa follows: On 35 the shaft jvípycu-generator, either place of addition the regular commutator, I securo;as manypairs insulated collect!ng- rings astherearecireuits formed. This may beac- . is a diagram showing the application the in­ vention machine the armature-coils of which have common joint. Assume, for sake illustration, that the coils are receive-the maximum and too coils the same instant the minimum current, that the polar line may midway . NIKOLA TĚStApGF NEW YORK, Y.different positions the coils the cur­ rents have certain, directions and certain 45 strengths—and thatin improved motors or transformers necessary that the currents in the energizing-coils should undergo cer­ tain order variations strength and direc­ tion- Hence, the further step—viz, the con- 50 nection between the induced generating coilsof the machineand the contact-rings from Serlftl K o. iS82;280/ May 1888—I have shown anddescribed plan constructing and oper- 15 ntirig motors, transformers, and the like, al­ ternating currents conveyed through two or more independent circuits from generator having such relation the motors trans­ formers as-to produce therein progressive 20 movehientiOf the magnetic poles lines of force. similar diagram con­ taining armature with separate coils con- 70 nected diametrically,, what generally called open-circuit” machiue