claim is: 1. A strearn iiiotor comprisinly a cylindri- 100 cal ttintiei a sliaft extending l@'ngitudiiiall y of its center, a second shaft located ibove said tunnel itnd pai@b.Ilel to the first inentioned shaft driviiig moans conne6tinz both of said sliafts whei-eby the same will @otate sirnulta- 105 iieotisly, Illean8 carriod by the first nientioned shaft and ad4l)ted to co-operate with I-,vater pa@ ssi tbrou said ttinne.1 for placing said sliaft operation. nieang foi- regtilatiing the assa of water tlirough said tunnel wnere- 110 t speed, of stiid moti)r can be controlled, y @ (I nd by7PasS located to 6ne side of sai @tunncil through which excess water can be diYerted past said ttinneli said by-pass being automat@ically opened And closed by the head of 115 Nvater at the in-take end of said tuiinel. 2. The streatn @inotor @of claiin I iii -,-,,Ilich automatically operated counter-balanced verticaliv niov able irittes arp provi @tlecl to control admission o@ w@t@or to the b.y-pass. 120 In: testimoiiy -whereof I have affixecl my signaturo. PASQtJALt TUDA.

Patented Sept. 18, 1928. I 6RA- A69 UNITED STATES PATENT OFFICE. PASQUALE BVDA, OF NEW YORK, N. Y., ASSIG.NO-R OF 01,@T-P.-FO-URTH TO FREDERICK HORO@VIT, OF ST. LOUIS, MISSOURI. STREAIYI IV-ROTOR. Application filed September 14,1925. Serial No. 56,294. A/ly invention relates to improvemeiits in stro,,tm motors, and h,-ts for i'us object a st-re,,im inot(,r -wlii.ch cai-i I)e installed iiitl-iout tlle iiecessitv of building a clam to impolind a 1,,trge quaiiti.ty of water and conseqtiently the floodO-L valuable lancl is elmin,,i,tecl. A further object is l'o coiistruct a strean-i iiiotor iiliieh can be iiistalled iii any navigable streain in sLich a position as not. to obstrucl@- 10 the ch,,,niiel, tnd cltie to the ftet thl'- n dtin u 0 Tor iiiipotindi.ng the -\-v,,itei-s is iiecess,.iry, exPe--.isive locks ancl tl-leir iiiaiiitenance are elliiiin,ited. III the clraiviiigs: 15 IAig. I is a side elei,ation of iny clevice, with parts brol@en aivay; Fig. 2 is a top pl,,tn view of the s,,ti-iie, with th(,, (yerorator hbuse in section: Fj(,Y. 3 is an enlar-ed loiigitudinal-vertic-@l t, 20 view throligh one of t-lie tuniiels, shoiviii(y the positioii of the turbi-nes and th-- n-i,,tpiier oT transiiiitting the power; Fi-u 4 is a cross-section taken oii 't-,Ile line 4-4 of Fig. 3; 25 Fi (,. 5 is a f roiit. view of one of the turbines; @71 Fig. 6 is aii eiiiir,yed view of the autoniatic .iii(,ai@is eiiiplo)7ed for coi-itrollin o, the ii,-@tei@ Fio-. 7 is a face view of one of ulie flood t, cyates eiiiployed; and 3o Fig. 8 is ,tii onl,,irge,-! loiigitudiiial sect,ion sl,,OAV,I-iig a iiiodifiecl form of tui@bine. Iii the constru(,,tioii of iiiy device I ei-nplov a tube 10, -",I-iieh is preferably forliiecl of iiietal tiid -",hich@is in-lbedded in a filler 35 ii. This filler m,,ty be e,,irth, concrete, cin(-Iers or the like. This filler, in turii, rests upon the base 12 -which is laid on the bed of the strean-i ancl which is provided with ,i front wall 13 and a rear wall 14. The froiit -,vall 40 1 3is provicled with flared openings 15 wliieh correspond in iiuli:iber to tb.e nuiiiber of tuniiels eiiiployed and which are conceiitric therewith. 16 represent,s the floor of the po-vver hotise, 45 on ivhich are supported a. plurality of generators IT ancl 18. Extending across the tuiinels 10 are braces 19, which have beariligs 20 secui.,d thereto in any -well.knowil @manner. Extencli--no, througli these bearings is mount5o ed a, shtft- 21, and mounted on the shaft 21 at s-,)aced-,,iT,),,trt intervals, are turbines 22. These tlirbines consist preferably of a rim 1),3andahiib24. Thchub24isprovidedwith spol@es 25, which in turn support the rim 26. Se ciirecl to 'Ube riins 23 ancl 26, and at, an r) 5 Iiio' le to the shift 21-, ai-e 1:)addles or blades Tliosobltdesare,,ill'ncliiiedinthes,-,i-iie dire c'u-ion so thit the I)asstge of th 7 e ""g, t e r tliei @ethi-oti,)@ll iv-'Lll have a teiidency to rotate es. , This r6lu-,,ttion is coiiiiiiuiiieate,-l 60 to the sli,,ifl,@ 21 b-@ hilting tlle I-iubs 2i. fixed to s liaft iii ai-iy 'Well kno@wn, slich as teeiiig or li ke. oii 'LI-ie sh,,,,ft 21 are bevel geirs Tlie,@,o -e',Irs itiesli ivitl-l lil@:e gears 29 on 65 tl-ivei-tical shal'ts 30. The lower elids of thes e s'liifts have bearip-g iii t boss 31 forlned Int@ eo@r,,Il ivitli, th,l bearing 20. The SI-iafts exte n(I t'lirouo-h the floor 16 ,Ilid ai-e pr6 ided Z, v or, tlielr upper ends iiith bevel (years 32 N,7hich TO @n t-Lir-n mosli ivitli bevel o'ears 33 iii'ouiited n oiilslitr,t34. Ti-iissl-i@ftIDreferablycxtencls p@-,ral'Li-,l to the shaft 21 and has iiiounted tliei-eol a. pliiralit3, of pulleys '0'5. The pulloys @ire 16osc@ly iiiotinted oi'i tl-ie sl-iaft, biit lll,,Iy 75 be coiiiiecte,--[ thereto by ine,,,ns of clutclies l@ll.iieli ai@e operated by tlle levers 36@ TI-10 piiri)ose of these clutches will be explained i.n later. The @,c@ii-,i-ators 17 are driven by meali s of 8 (1, tnd tli(, (,ei-iera'uors 18 by rneans of I)elts bells 38. ' hese r belts are passed arouncl the I)IIIleys 35. Lo@ated Iii f j.,O.,lt o-f, tlle ivall 13 are f orwai-dly extencl'-.io@ walls 39, the forNi,ar@[ portions 85 of wia;,ch t re flarecl outivai-c'tly as ab 40. TI-ie plirpose ol' @ul-iis outi-vard flare is to direct the ii,atei- betiveel-I tlic walls 39 and colisequelitly to flie, ttiniiols. 41 i.@epi,esents pill--ways thro,,.igh @vhich stirplus -@vater is directed .' ,in 90 the eveiat tbi,,t. the qiiaiitity of ivater passin(, bet-",oen Lbe walls 39 is iiiereased for any i-<,,ason. ivhitevei@. This is necessary to PreNei-it the v,,atei- fli-oin pil.ing up v@nd floodii-ig the o-onerator house. The spill--",ays teriiiii) .5 nate at the i-ear of the generator house7 as il@ lustrateo, in Figs. I and 2. Lo@at.d between the tu@-inels are -walls 42, ivhi-ch are decl,-ed over as at 43. This deck is I)rovided with a n-iaiiliole and cover 44. l,o- 100 cated in-imediately to t'iie rear of the wtlls 42 II s in opare gates 45, ivliieh wl-i' e t-he device i ' eri'L.'Ioii qre raisecl to allow free pqssage of the )vater, but 'Which caii be el6sed so as to operate in conjtiiiction -with (Yates 46 located in io5 froiit of the 'Utiniiel in @fib event aiiything slioulcl o-o wrong with -tlie ttirbine. in this evei-it, 17oth gates are closed and the water

1,6841469 puiiil)e,(l out tl-ii,ou(yli the niaiihole 44, thus le,tv'lllg tll(@ tlln@qel @etweeli the two gates dry so tlitt the applirittis can be repaired. To 'L-lie retr of the tiinnels tho streail'i bed is etit aiva3r oi@ cli-e(lo,e'd out, as inclicated by ilie numei-,,tl 4'@. This cre:ites an tirtificitil fall at the rcar of the ttinl'iel aiid speecls Lip the strcain pass-; ng tlierethi-ougli, so that I,ai-n not ctel)ende,-it cp@tii,elv eci of the "Po" t"e SI)ch streaiii 1-0 etirrept of tlio stre,.ini btit @t sILi44is c@lln be, iii,,tde (o iiiij),,irt colisidei-ab',- poii-ei-. The a,,,,@ I)r")Aided Nvitli opetilliv@s 48 tlii-oti(i,li @@-Iiieli c,,iii eiiter the @I)illNv,,t3,s 0I)ellij@igs ii-e desi(-ned to b(, @n 15 el.os(@cl b)@ iiieiiis oil fli@ocl@frates 49. Tlicse floocl-,-atc-s ii@-e pi,(- ,fei-ably couii'LC'r-balanced by meais of li@eiglits -)O. Al"l-licll are secui@ed to ,t (@l-iaiii ,)!, this (-haii-i p@ , issing over a sprocl@et 52 c,,ti-rl'.ed I)y t.lie, sh@tT"I Secured to tli(, 20 NNal.is '0'9 is a brackc,,t 54, iii Nvhicli a lover 55 is seci@ii'od. C,-trilif-,Ct 1)3@ eiid o.1 the Icvoi- 5,5 'LS a fto,,It 56, NY'liicli.@is i(la,l.)tcd to be pti-ti.,,tlly iii-iiiiersed in the i,@ater betn@-een tlle in-@ills "D'9. Sectired 2,'j to the 6pl)osite elicl of.tlio 55 is a Iiiilz 57, ivhieli iii tiii-ii is secur(,,d to iii arifl 58 in0iinted on the shttft 53. The d(,)or 49 is a trifle lieaiie,- tljaii the ivei lit 50, so ti@iat tlle 9 tendene3r of' the dooll ,it ,ill tiiiies ivill 1)(, to travel clo-%vnNi-ard iii,,(),s 48, ,i,nd close the Gpen _, but slioiilcl the JeNel of the lvtter ris,- b(,tiveen the Nv,,.tlls 1)9, the float 56 ivill be tisli(@c I I p -Lip-,varcl, exei'ting a pull on ti-ie ariii 58, tli-Lis rotatingtilesliaft53andr,qisiDgtlieg,ite. It 35 i.s @not my ii-itention that all of tlle gates be e(juij)lded -,iith this autoniatic n-ieaiis as it ,Avlill bG, nee(@s-.,ai-y to btve a few of the floodg,it(-,S ifittiiuall ol)elate(l. In tllis event@ the y 50 -%Yill be the stme -%veiolit as the doottn 40 ajid insteacl of t,lie cliain 51, a cible ivill I)e 8@"I)st ItLite(I So tliit loy i@aisiii- or lo%vei-in(,, the )N7eiglit 50 i@iiai-itiall@-, the cloor cali be raised or lo-NA,(,,i:ed ,tiid retaine(I in that positioii@ it ivill be not(Id fi-om Fig. 2 tliat each one of the sba@fts 31 (Irive the sets of geiieratoi-s l@@ aiicl is, and the PLII'POSC of liavin,- the pulle:ys 35 coniie(@ted to the sl-iaft by means of the cltitcl)es is tll,-Lt I.Ilegenei-atoi-s, can be i@tin individiial@r oi- collectiv(-Iy. The3, caii be i@tiii for eel. D@ pei@iods of tiiiie and then discoiiiiected ei-iiii@L coolin- ofl2 witliout shutting n (I r i so I p own tti b'iie 't is pos@-,ible to o erate all.)' lit of the generat6rs ,ts desire(l, or as 1':oLiiid liecessary. .55 In the pi'oeect-Li-t-e followed woulcl be to i-tiii the t),eii(3r,,ttot's 17 I'oi- ,t certain ntliiibeiof hotii-s then to discoii ect these (yen n 6 - cr,,ttors ancl throw the geiiel:at6rs 18 into op eration, tlius periiiittiri(y tlle (yenei@at6rs 17 to ovei 60 cool and I)reveni, -teatilatg. Secured to the front of the foremost bearing of each of tl-ie sliafts 21 is a cone 59. The pui-pose of this is to divi(le the oncoming stream, so that the foremost beai-ine, will ill no way rettird it,s force@ Furthekliol-c,, by 6.5 this construction the stream is direct(,d into the 1.)addles or blacles of tl-ie tiirbines l.'ather tli'an agaiii t the beai@l'n&. it @Aill itls6 be iiotcd fpoin :P.ig. 5 that instead of usincy the solid hub f6r the ttiiibines, I have eiiiployed a 70 I)ulley striiettire. This per;mits iiie to use pllcldles relatiiely wide throtighout tlleir leiio-tli %i,hile t-lie I)ulley strilettire permits the free 1),,tssage of -@viter adja(,,eiit the shptft c(nd at a point I Wlier6@ the ftiterum would be so 75 lis to (,:I@ei-t pl;actic-,tll@, n6 prcssure@ 1 If desired I mtty erect anothe'r unit iniDiediatel3, to the rear of the unit described ancl anotliet one to the tear of tlitit, this depeiriding a greftt deal up'on the inclination of 80 tli(, stream bed, so that quite a large power unit e@iii be.btiilt up in a sti-eam without ocetip3@ing a grtat deal of its ividth. Ila l'ig. 8 1 have shown a modified, f orin of ttii-bine ii-i wl@iieli sl)ii-al sections 60 are used 8,5 ills',-e-,ld o-l' the tui-bilies illustrated in Fig. 5. Hoivever, in tliis construction of turbine, the i@(,,jaiainder of tli6,appiti-atus alid its operation will i.eiiiiin the sanie. If (lesired tho floot of the power house, I iri 90 siiiall pl,,,Ilts, nia-y be mitde in the form, of :a poiitoon so as to float i n a Q ;tream, and the turbiii(@s suspend@d from the lower side thereo,f and in this iv@ty expensive concrete work eliininated, this feature will also make my 1),5 (le-vice portable as it can be moved from place to place in a strearn. Havii-ig ftill des(!ribed my invention, Nvhat y I