The U.S. Patents of Nikola Tesla

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The disposition the generator coils is such that the currents developed the cir­ cuits including them will have certain dif­ ference phase, for example, that the maxi- 25 mum periods the currents generated one of its circuits coincide with the minimum pe­ riods the currents produced the other circuit, and the corresponding energizing cir­ cuits the motor are arranged that the 30 two currents co-operate effect progress­ ive shifting the magnetic poles the points of maximum magnetic effect the motor in consequence which rotation its mov­ able element maintained. 75 The last pair coils make finer wire than the main line and secondary coils and with greater number convolutions that they may have greater relative magnetizing and retarding effect than either the others.United States Patent Office. is probable that this action explained the following theory: current impulse the 85 line passing through the main coils estab­ lishes the magnetic poles the annular field magnets points midway between said coils. Dividedandthis applicationfiledD ecem ber 3,1888. 292,475. also wind on the annular field magnet midway between the first mentioned coils pair coils which I connect npin circuit with the secondary coils. This invention carried out the follow­ ing way: Instead generating directly the alternating currents each the circuits which include the energizing coils the mo- 45 tor, means the induced coils a magneto electric machine, generate pro­ duce alternating current but one of such circuits directly and means such current induce the proper current the other 50 energizing motor circuit. ELECTRICAL TRANSMISSION POWER. 273,993, and for the method oper­ ating motors contained such application. NIKOLA TESLA, NEW YORK, Y. 511,915,dated January . In former patents granted have shown and described system for the elec- 15 trical transmission power characterized by the followingparticulars: The motor contains independent energizing circuits and the gen­ erator has corresponding induced current generating circuits which are connected by 20 independent line circuits with those the motor. Over these coils 70 or close them iii any the well understood ways wind secondary coils. opposite sides of the annular field magnet wind two coils of insulated wire sizeadapted carry the current from the generator.) To all ivhom concern: Be known that Nikola Tesla, from Smiljan, . (N omodel. Bo By connecting the main coils circuit with generator alternating currents the armature the motor will rotated. 35 present invention involves this system of electrical power transmission; its distin­ guishing characteristic being the mode or method generating producing the alter­ nating currents which run operate the 40 motor. When the inde­ pendent currents are both produced the magneto machine will observed that the two line transmitting circuits will ne­ cessity extend the entire distance from the generator the motor,but that the method 55 herein provided, one line circuit maybe dis­ pensed with one circuit that from the generator may brought into the proper in­ ductive relation the other any desired point. 10c . Original application filedM ay 15,1888, SerialSo,273,993. SerialN o., ASSIGNOR THE TESLA ELECTRIC COMPANY, SAME PLACE. But this impulse produces the secondary coils current which, circulating through the 90 second pair energizing coils tends estab­ lish the poles points ninety degrees re­ moved from their first position with the result of producing movement shifting the poles obedience the combined magnetiz- 95 ing effect the two sets coils.Lika, border country Austria- ■ Hungary, subject the Emperor ofAustria- 5 Hungary, residingat New York, thecounty and State New York, have invented new and useful Method Electrical Transmis­ sion Power, which the following de­ scription, this application being division of to application filed May 15, 1888,Se­ rial No. 60 The following illustrative the manner in which carry out this invention: Iemploy as motor, for example, subdivided annu­ lar field magnet within which mounted a suitable armature, such cylinder disk 65 wound with two coils right angles, each of which closed upon itself. SPECIFICATION forming part Letters Patent No. This shift­ ing continued each successive current im­ pulse establishes what maybe termed rotary effort and operates maintain the armature in rotation