The U.S. Patents of Nikola Tesla

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The coils B are connected, also, series and two col­ lecting-rings &,secm’ed generally the shaft at the opposite end the armature. obvious 5 that the four reversals the same order could produced each half-revolution of the generator the motor would make two revolutions the generator’s one. diagram of a system containing generator and several motors adapted run various speeds. For instance, generator constructed 15 with two circuits, each which produces twelve reversals current revolution, and these currents directed through the independent energizing-coils motor, the coils which are applied produce 20 twelve magnetic poles all times, the rota­ tion the two will synchronous; but if the motor-coils produeebutsix poles the mov­ able element will rotated twice while the generator rotates once, the motor have 25 four poles its rotation will three times as fast that the generator. and generator and motor another well-known type are shown. Fig.,3. : Fig. This would readily accomplished adding two t intermediate poles the generator alter­ ing any the other equivalent ways above indicated. driy- 120 ing this disk cylinder alternating currents are produced the coils and P', which are carried off run the several motors. The same rule applies to generators and motors with multiple poles. 30 Figure diagrammatic illustration of a generator constructed accordance with my invention. Fig. 75 The application the principle this in­ vention not confined any particular form of machine. The con­ struction the motor identical with that of the generator, and coupled thereto will run synchronously therewith. the field-magnets, and the coils thereon. The magnets are ener­ gized alternately-opposite po­ larity throughout the series, that the 90 conductor rotated the current impulses combine are added one another, those produced the conductor any given posi­ tion being all the same direction. The motors are composed ring an­ nular field-magnet wound with two sets 125 energizing-coils T', and armatures hav­ ing projections wound with coils all connected series closed circuit each closed independently itself. In Fig. The coils are included in the circuit generator means of 50 which the field-magnet energized. The generator this case shown as consisting stationary ring wound 115 with twenty-four coils P', alternate coils ;■ being connected series two circuits. thus constructed, the machine well-known forni of alternating-current generator. is adiagramof ageneratorof modified construc- 35 tion.487,798 O & circuits, and have demonstrated that the ef­ fect upon motor such that mentioned is to shift the magnetic poles through three hundred and sixty degrees. Suppose the twelve generator-coils are 130 wound alternately opposite directions, so that any two adjacent coils the same set . diagram motor cor7 responding character. Within this ring disk drum with projections Q'wound with energizing-coils in­ cluded circuit with generator B,. let represent cylindrical arma- 4c ture-core wound longitudinally with insulated coils which are connected series, the terminals the series being connected to collecting-rings the shaft By means this shaft the armature mounted 45 rotate between the poles annular field-magnet formed with polar projec­ tions wound with coils that magnetize the said projections. The motor shown Fig. the usual construction these machines the armature- conductor carried suitable frame,so 85 as rotated face the magnets or between these magnets and another similar set face them. 70 From the foregoing evident that one revolution the armature the generator producing eight current impulses each cir­ cuit will produce two revolutions the mo­ tor-armature. Fig. Fig. In Fig. adapt it system, however, wind armature C second set coils intermediate to 55 the first, or, other words, such positions that while the coils one set are the rela­ tive positions the poles the field-magnet to produce the maximum current those the other set will the position which they 60 produce the minimum current. L'is 110 one the armature-conductors and the other. With such re­ lations evident that the current de- 100 creases conductor increases con­ ductor and conversely, and that any the forms motor invented for use this system may operated such generator. shows diagram other forms ma­ chine. has annular 63 field-magnet II, with four pole-pieces wound with coils The armature constructed similarly that the generator, but with two sets two coils closed circuits cor­ respond with the reduced number mag­ netic poles the field. similar view a correspondingly-constructed motor. These features, far necessary to an understanding the invention, are illus­ trated the accompanying drawings. adapt such machine system, add second 95 set induced conductors all respects similar the first, but placed with refer­ ence that the currents produced each will differ quarter-phase. Figs. Fig. 3,J are magnets disposed circle 80 and wound with coils which are circuit with generator which supplies the current that maintains the field force. intended show motor corre- 105 sponding the machine Fig