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0609251 tesla electric circuit controller

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0609251 tesla electric circuit controller

  1. 1. _2D '35 , l ‘ devised and develo I 50 which forms thcbubjoct of my present appli- . UNITEI)‘ STATES. my. PATENT . OEFICE. V _1H'1IIOI. A,‘_"l", ,'1?1’, 'S:1". §.. ','_ ‘o'_‘1rf um-widen, N. Y. ' E_LEc'rmc_-c1Rc_uIT CONTROLLER‘. srncmosmon of Letters resent no. 809,251, dated August 16, ices. - - - ipp1'. an. §ni: _1}. .i Ii: 'iQ"§. _18s7. Renewed Tune 1;, 1993. ' said: it es'a', s1zsf. "' on much To all whom it Bcitknown that LNIKOLA Tusm, of the United States, _ n citiuen residing ‘it New York, in the county and Stein at New-York, have in-, 5 vented certain new and useful Improvements in Electric-Circuit ’Co‘ntr"o11e'rs, of which the following is at specificatio1_1,~i-eference being had to the drawings accom pcnying and form- ing a. putter the game, j_' _. 5 ~ . In previous patents granted to me. I have shown and dose: -ib_ed__me_tho<_i_s and apparatus ' for-the conversion c_nr1_u1._ilim. _tion of electrical currents oi‘: very high frequency based upon the principieof charging a condenser or coir» '10 same generallythrongh the primary of a. tru. ns- former, the secondary of which constituted- the source of working. current a_nd. uudcr_such, conditions as to yield a vibrating or rapidly- intcrmittent current - ' - . ‘ In some of the forms of apparatus which I have heretoforsdeviscd -tor cm-ryin g ont_this- invention I have employed a. ’m'ec_ha. nie_m for making and breaking an 'c1ect. ric_e_ircp_it or branch thereof for the purpose of charging and discharging the condenser, and my pres- ent application is based upon it novel and improved form of device for this purpose, ‘which maybe generally styled a. _ ‘-‘ _circuit»cou"- troller. ” A __ _ , ‘ ‘ In order that the full advantages ofmy sys- tem may be 1-egiized and the best practical . . results scoured, the said . circuit-controller should be capable of £u1fll1ingce1-t, a.inpre_quire- ments, the _most important among which is the cepabfllty of effecting an extremely-rapid interruption and completion of the circuit. It is also of importance that such makes and . brea. ks, and more especiailythe former, shou1d 40 be positive and abrupt, and from considcra. -2 . tions of economy and practicability it is es- sential that the apparatus should be cheaply 30 eonsi-mated, not liable to derangement, and; capable of prolonged use without attention ' 45 or adjustment , With the object of -a. tta.1n- ing these resultspwhich have never heretofore been fully attained in any form of mechan- icni circuit-controller of which I am aware, I pad the circuit-controller cation and which may in general terms be de- scribed as follows: ‘ - . nails in such relations that the electrical con- cuit possessing capacity and discharging the’ l -_-'fl: ‘he'device in its typicol cu1bodimcutcoh1- ’prises as essential el_e_n'1_eutn___two ternzina. _1s— » §o_ne with peripherallcontocts alicmnting with 5 5 iinsulating-spaces, such as _i_s_exemp1ificd in a lstelliform disk and which is_ga_. pa. bie of rota. -. j. tion, and the otherarotetabiereoeptacle con- taininga 1.1uid_-in ‘which more or less of the 'firs. t-named t_e1'minalis_in11_1_1ersed. - In_. the preferred construction of the appa- .60 ' the i'oceptn. cle”co_n1'. sins both a conduct- ing and ii‘-‘n'9n_'-co_Ii. _cljIcting fluid, the former ' ‘ being the heavier, _and I maintain the tel'In1- 6 . 5 _ motion between them is made e‘nd_broken' by the successive immersion of the. oontact- points into and their withdrawal from the conducting through the non-cond uctingiinid-i These relations srehest maintained by such 10 ; cons‘truc; i'ou oi! t-he, ,rec_eptucle that the dis- . - tribntion o£; ,the two fluids necessary for the proper operation at the device mey be pre- served by _ceutri£uga. l action and the rotation . of the other terminal ‘effected by the mo1_re- 75 mentor the fluid or fluidsrelatively thereto. ‘ To secure the condi_; ion_s necessary for the accomplishment of thepolijects of the inveu- '- tion, -va. riqns'me'd_1snica1 expediouts may be resorted to; but the bostand most practicable de_vjcej~£or i. he. ;puI_'po§e_ of which I am aware is a. hollow wheel or drum mounted so as to _ be rotated at a. n_y. deaire_d speed sud contain-' ing_a_conductip fluid, such as mercury or an electrolyte, .w_ ich ‘by the rotation of "the 85 drum is thrown by centrifugal force outward - to the -inner. periphery of the same, and a. -suiiioienfi !1ua. n_tity_of a.1ightorn‘on'-conducting or_po_o, r1y'-conductive fluid, such acwater or oil, whichjby the centrifugal action is ma. in— go tained on the surface of the «heavier con- ducting fluid and tends to prevent the occur- 80. rencc of area between the confachpbiuts ‘and. ’ ‘ _ I the conducting fluid. _ - A central opening is formed in one side‘ of 9 5 the-drum. through which e_u, te1-s_an_, _arm car- rying a disk with -periphergdprojectious or vanes ywhichflwphen the‘ drum‘ is, rqt_a. tcd' pro- ject to a. suflioiont exteut, t,owa. rd or_ into the conducting fluid to effect; the makes and breaks of the circuit, . - The motionof the fluid within the drum ‘ causes the disk. to rotate and its projections or vanes to make and break the circuit with 10.0
  2. 2. :5 14°. 2 - 809,251 9, rapiditywhich may be very great. In fact, when the drum is rotated at a high rate of speed the iluid conductor may become in its effect similar to a solid body, upon which the 5 conducting-disk rolls, so that the conducting fluid might be dispensed with, although I find it preferable to use it. p In order to insure tho proper immersion of the projections into the fluid to compensate for wear and at the same time to secure a yielding pressure between the fluid and the disk, it is desirable to employ for the disk some form of spring connection or_ support which will exert a force tending to force it in contact with the fluid. I have also devised certain details of con- struction which add tothe efliciency and prac- ticabll lty of the apparatus which will be more conveniently described by reference to the ac- companying drawings. ‘ Figure 1 is a side elevation of a complete apparatus for producing currents of high fre- quency and to which my present invention is applied. Fig. 2 is a central vertical section 25 of the improved circuit-controller of Fig. 1; Fig. 3, an and view of the same; Fig. 4, a modified form of thc. circnit~controllcr, show— ing it in connection with the remaining parts of the apparatus illustrated diagra2nmatic~ ally; and Fig. 5, a. side view of the same with the receptacle in section. As the apparatus as a whole is now well known, a brief description of the same will suffice for an understanding of its character. The various parts or devices are preferably mounted on a base 13, which contains the con- denser, and comprise a transformer A with primary and secondary coils, one or more self- induction coils C, a small electromagnetic motor D, and the circuit-controller, which is dz-iven_bythc motor. The circuit connections will be described in connection with Fig. 5. In general plan ofconstruction and arrange- ment the apparatus is essentially the same as IO 20 30 35 ' 45 that described and shown in apatent granted to me September 22, 1896. No. 668,176. The shaft of the motor D extends through a stationary disk E, and to its end is keyed a ' hollow wheel or drum F, which rotates with so it. Two standards G are secured to the disk E and connected by a cross-bar H, from which extends an arm K into the interior of the drum B‘ through a con tml opening in its side. To the end of the arm K is secured an arm 55 L, carrying at its free end a disk M with pe- ripheral teeth or projections N, as shown in Fig. 3. The disk is mounted on any suitable bearings in the arm L, so as to be capable of free rotation. It is desirable that the disk should admit of adjustment with respect to the inner periph- eral surface of the drum, and for this purpose I secure the arm K to a rod 0, which passes through supports in the cross-bar H and is ad- 65 justahle therein by means of threaded nuts P. The interior of the drum F is formed by preference in substantially the manner shown 60 ieally adjusting the disks to comps in Fig. 2--that is to say, it is tapered or com tracted toward the periphery so as to form a narrow trough in which the fluid is confined 70 when the drum is rotated. . R designates the conducting fluid, and S the lighter non-conducting fluid, which are used in the drum. If the proper quantities and proportions of those fluids be introduced 75 into. the drum and the latter set in rapid rota. - tion, the two Iluidswill distribute themselves under the action of centrifugal force around the drum in the manner indicated in Fig. 2. 'l‘he arm K is adjusted so that the teeth or 8o projections on the disk M will just enter the conducting fluid, and by the action of either or both the disk will be rapidly rotated. Its teeth are so arranged that no two are simul- taneously in contact with the conducting 85 fluid, but come into the same successively. If, therefore, one part of the circuit be con- nected to the drum, as by a contact strip or brush T, and the other part to the disk M, or to any part, as the standards G, which are 90 insulated from the frame of the apparatus and in metallic connection with the disk M, the circuit will be made and broken with a rapidity which may obviously be made enor- mously high. The presence of ‘the non-com 95 ducting fluid on the surface at the other operates to prevent the occurrence of sparks as the teeth N leave the latter and also to prevent the current from leaping across the space between the teeth and the conductor as the two approach. In illustration of the modifications of which the improvement is susceptible I now refer to Figs. 4 and 5, in which also certain novel and useful details of construction applicable generally to the invention are shown. In the modification shown in Figs. 4 and 5 two rigid arms L and L’, each cur: -yinga disk M, are shown, and this number may be in- creased, if so desired. The rotating disks in this case are mounted on spindles at right angles to the axis of rotation of the drum 1?, and the contact points or projections are formed as vanes, with faces inclined to the plane of rotation, so as to be rotated by the movement of the fluid in the manner of tur- bine wheels. In order to ‘I00 I05 IIIO :15 provide a means for automat- nsate for any wear and keep the ends of tho vanes or 120 points properly immersed in the fluids, each disk-carrying arm is impelled by a. spring or weight in the direction of the periphery of the drum. A convenient way to accomplish this is to form racks on the arms L L‘ and to provide a pinion b in engagement therewith. From the shaft of the pinion extends an arm c, the end of which is connected to an adjust- able stop (1 bya spiral spring as, the tendency of which is to turn the pinion and force both arms L and L‘ toward the periphery of the drum. In some applications of the invention it is practicable to prevent the occurrence of area :25 I30
  3. 3. ‘to 609,251 still more effectively or even entirely. by using in addition to the non-con ducting fluid’ a somewhat heavier fluid W, which is 9. com- paratively poor conductor and which takes 11 a. ngn-conducting fluids. __ _ . . When two or more disks or equivalent de- vices are used, they maybe connected either in series or multiple. In the present illus- tration they are shown as in series, and -as the arms L and L’ are insulated from each . other and each connected with a terminal 01 Is .50 35 the source of current the circnitis completed only when a vane of each dish is immersed in the conducting fluid and interrupted at all other times. - _ The diagram ' of circuit connections will serve toiliustrste the purpose and mode of op- eration of the device. Let ff be the con- ductors Iron: a source oi current, each includ- ing a selt-induction coil 0 C’ and connected with the arms L and L’ and with two con- ductors. B’ B", respectively. . Then during the periods when the circuit is completed be- tween the two arms L L’ the coils 0 0' store energy, which on the interruption of said cir- cuit rushes into and charges the condensers. These latter during the periods when the circuit is closed between arms L and L’ dis-; charge through the-primary A. ’ and induce by such discharge currents in the seoondnry A", which are utilized for any purpose for which they may be suited, as in operating ‘vacuum-tubes X or suitable lamps Y. Itwill be understood that the rotating drum ‘ may be mounted in 9. horizontal orother plane and from the natnrennd objects of the re- sults which are attained by the particular . apparatus described the construction of this 40 -45 .5 0 apparatus may be very greatly varied with- out departure fmm mylnvention. ‘ . Without therefore limiting in details of construction and arrangement shown herein in illustration of the manner- in which my invention is or may he carried out, .wha. t I claim is-— - , ' L A circuit-controller comprising, in com- bination, _a receptacle containing a. fluid, means for 1-o1-m-, mg. the. reccptaclo, and atcrmi-~ nal supported independ on tly of thereceptacle and adapted to. make and break electric con- nection with the receptacle through the fluid, ’ as set forth. 2. A circuit-control1er. comp1-iaixgg in com- 55' hinationa, receptacle containinga conducting- :60 65 fluid and n non-conducting rotating the receptacle and a terminal adapt- ed to make and break electrical connection with the conducting fluid within or under the non-conducting fluid, as set forth. 3. A circuit-controller comprisingdn com- bination a terminal capahleof rotation and formerlor provided with peripheral contacts, a receptacle comprising the oppositetcrminal and containing a fluid into which the said contacts extend, and means for rotating the receptacle, as set forth. ‘ position between the conducting and- - into the fluid when dis yes]! to the. ilnid, means . for-- 3'. H 4. Alcireuit-c_on_tro_l1cr, comprising, in com- bination, s. jerminol-09Pt1b1°.9E 1'01‘-3-N011 {ma formed or provided with p9npbem1_pr0Jec— tions, a receptacle containing a fl| .1ld<00D- doctor into which_the points or projections of thesaid conductor e; n‘end, {a1nd means for ro-‘ tating the said ‘receptacle, as set forth. 5. A circuitrcon trailer comprising, in com- 'hina1;ion, a terminal capable of, rotation and formed or’ provided with -peripheral p1:o]. ec. - tions, it centrifugal drum or wheel containing a fluid conductor into which the _ projections of the 8_a_i. d ‘conductor extend, and means for rotating the said drum, as set forth. ‘ ' 6. A circnitcontroller-comprising, incom- bination, a terminal capable of rotation and formed or provided with peripheral p1'0.'l90' tions, a centrifugal drum or’ wheel containing. a. fluid conductor into which the points at the said terminal extend, and means for a. d3ust- ing the latter. with relation to the surface of. the fluid, as set forth. .. ‘T. Acircnlt-controller compri. sing, _in _com-- b_inati0n, .aterminalhavingperiphe1'a1pr0i0c- tions and capablcof rotation, a centrifugal drum or. receptacle. containing ‘a conducting- and a. lighter non-conducting fluid, the said- tcrminal being arranged so that its points or projections extend through the no"n-condu_ct-- ing into the conducting fluid, when the fluids are dist: -ibm-'ed. in the drum under the action of centrifugal force, ‘as set forth. - . 8. The combination with a hollow centrifu- gal _. drum or wheel containing a conducting fluid, a, motor for rotating the same, it sup- port extending through an opening into. the drum, and srrotstab1e. te1'm1ua_l_having per riphcral projections, mounted onsaid support in position in‘ which its . pro_1'_ections extend. . p need by centrifu- gal action, as set forth. ' , . , . .9. . T|1e. combination with a receptacle , .con-‘ taining 11. fluid and -means for rotating the- same, a terminal with peripheral projections» capable oi rotation, and a. spring connection- or support for said terminal tending to ioroe it toward the periphery of the receptacle, as- set forth. . i . ' _ 10., The combination _wi th s. holiow. cenl: rifI1- gal drum or wheel containing a ‘conducting: fluid andalighter non-conductingfluidgneune for rotating the said-drum, asnpport extend- ing through an opening-into the drum, and a. rotatable terminal’ having peripheral projec- tions, mounted on said s_uppo_rt. in positionin which the projections extend through the non. -conducting into the conducting fluid when the fluids are displaced by centrifugal» action, as set forth. ~ - - ‘ ' 11._The combination a- centrifugal-, audauon-con-»' drum_co_ni'. aining a. conducting _ ductlngfiuid, means for rot'. at_ing. the drurn, i a terminalcapsble of rotationfand having" peripheral pi-o; |cction, .rnouuted'. within the drum. on a. stationary support, and c_ spring or its equivalentactiug on the. said terminal. points or ~ 70 75 .80 85’ 9d if 100 no 115 I20 125 ‘ x3e
  4. 4. 4 A 609,251 and tending to force its projections toward theinner periphery of said drum, asset; forth. 12. The combination with a receptacle con- taining a conducting fluid, a. lighter flnid_ of 5 low conductivity and a non-conduoting fluid lighter than the others, and means for rotat- ing the receptacle, of a. terminal adapted to make and break the cimuitby movements be- tween the conducting and non-conducting fluid through the intcrtnedinto fluid of low [0 conductivity, as set; forth. HIKOLA TESLA. Witnesses: M. Lawson Dnm, PARKER W. PAGE.
  5. 5. 4 ‘gm 599,21 _ ' » ' : " ‘Patented Ann. I6, I898. W ' u. __1’EsLA. - nzctmc cIBl‘. llI'l"I_:0HTBDLl_. EIl. ' t-loniIaa. u9ua1d_Ium_3.1E97- M: m-N-WI 151ml 0,, mm_, ’ ': ._- shaa! s—shoai I. ll _. /,» ‘-. ~. — in . . "/ / h . -.r: ~.r. nr. -n. '~rui: — -luau-rnmrl-r, -at r-I I ~ 1'1, . .-. ~I 1 ~‘ ‘f'-' ’4" d '4, . '. '; r/ /// J/fix/ //A
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