[1]Paterited Jan. 1 07 1928. UNITED STATES PATENT OFFICE. REGINALD G. STAHTDERWICI', OF MARBLEHE, AD, IJASSAC.-@1- 9,S:IITT,13, ASSIGNOR TO GENERAL ELECTRIC COIFIPANY@ A, CORPORATIO!@I OF NEVIT YOFK. R:R-,GTTLATINTG 1'rLFC'rlA-Wl@'Slq FOR. TTJF.B-@-NE-DRI:VEN "NT--RIFUGAL CON.PRESSORS. A-,)'I)Iication ftleci April 23,1926, Serial No. Tlio to tii--@,biiie sp(@(@(i go,10,1'il(lr iiicl, i,,; ii-io@,ed ,ilacl II',) '@'Lig"ll coil, @or t-)) s ill. - c@SSC)FS b. ii@(,-ight "Iriii 17 move oiit ancl I is i it -VTI-leyl rivell cell.ti@il L it,.,s ol)j-ct to ])i,@vide @ Speed govei,ilo,,- 11-@3 is locLteCi iii ,i tioi-i @iiid 111,1- 22 (iii 'clie iil:)pei-I (,nd of @-vb'(.], is 60 5 (.,hii-ie of tl);s t)T,)(" iii Avitli @iii Iio,,iiited @t I)Ilot -%-aliTe casing 23. Iiiside Ol,'Cl-,Itiilg (,()Iidi o'i the I)Ii]O" ("!Sillg 23 l@3 " rest-,oriii,l), bti,@li'iiio2-1 in whi.ch I)ilot 17alve 21 rot,.ites ,iii(I iiioi-cs@ exaiilple, in accor(--Iilice iNil,-Ii tllc' Sll(,L @)II Ill the iiilet coiidult of the coiill,)r(@ssoi,, IT-i i-eitical'i.y. 13o'uii-ecli th(, oi@tteii st@,i,face ,@-f i-ecordance iii(,Ii the pressure iu tllo (Ai storing bLishin,-), 24 @ii,@cl 'L-lie ol@ ( ; 5 ,;i) eoii(I-Llit Of tlie coriipre--,Sol. 01- ill icco,,@da,.i(,,e, I)ilot ca,,@iii!.x 23 is ii-i tnT-l Llla,,@ 2,-) iN,Iii(@l s c n@ tecl to - e iiil-c 'ior of litisli-,Vltll tIlC@ -NTOIJI!lle, o@f the @;tibstL)iic(-, I)assiii@., I il oil c ull L 1! tlll.ol,lgll tlle, coll-II)I@essol@ @1- 110i@eb@T in@): 24 bi, -L series of (@onclitioll 4s llintlli-nccl ',It 1)6rts26. Theiipp(ireiidof restol@@ill(rbltsllI m t))7 t link 2' 'o a ].(,NTer 28, i-,ilue. 70 -,PA G--L, I. coiisiclei-atioii o -\A,Iiat T - be-lieve i@ to @N hicli level, is fiilcruiiied oli a %,ertlc,,tl i-od be 11017 el a7-id i,-i @)9 ,,iipported 6ii P, bracket 30 inhicli p:,ojects iiiiTei)t;oi) IttelitiOl-I iS @t; rected tc, tlip- -t"'c)ln l@ilot @-,a!Nle.c,,tsiiio- 2'@l,. Tlic,, left, liaii(-l " Ic-@leil I -pi i.in,s ipl (@,oiii the cla' -)ende(i tli I.Cto. e iid Oi- - -)S is iected by a s _ndle 30 l,, the a C,) I)istoll 10. I'lie i.-iglit h,,tiad: end of -it] I L): I o 28 is coi,.iie ted ]Dy ,t i-od 3'1 to the head o@C -lirbine-driven c vieiv o-f @t t e-i -ifL c . ov'doCL witli a re(,@til-titiiio@ coi-i-ti @it(,@d b(,116-@is 32 --rr,,iii(-ed ii) a pre,s@ici@ l@l' I 9 "I ilis"ll ei@.bodvin@4 ill@T tiglit casi,iio', o@8. The c@isliig 33 is sutpport@@d i-neelianisyll illiistrai-e,(l b(,@ii- on a si@ oii(, ticable ri@@ict bracket or siipporb I'@4. 'iitaiii a col'istilit e lo iyiai of f.ioA)T Thc" iii'-cpior of the coi,riio@at-ed bellolv"@ 1,@@ ti to atiiiosl)'iiere ivliile the extei-ioi, is Sill,)- 'Irollyll the coiipl,essol., (stic-li ',I ope(l beill@', tel-l-ne(I li@s, 111@7 eoii,t,@t e e p i-ess-Lii-e in c iit voliiiiie, j cted to th asiii,)@ 33 Bell,oAlls i il 32 aii abittmelit adi:l)@ed to be inove'd -,nd Fi(,. 2 is i detti.'Il view. lvliell is a]:)I)'-ie(t to it anct is to be to t' t,(,s iii tg,keii is Of a.-iy sil,itiblr,, clevice of ti-ifti- this tyl)e. ciastic f-luicl i,,,hich @.I.-L'ives "I coil . L @t ga (,oiiil)rc-ssor 2. The, fioi@, oil el'istic, fltl:lcl The loiver eilci 6f vei-,'Ical slial't ivos to 4ittri)ille I i,-, b:), aii o iii .iii o.1 tailk iiilet o@i',@ tll(@ iiisiy,, @)@ tli(i sai-yie, b(,Il-i(,- ,@lio ITII 38 lie ('oiid@i'll'. oi! exd.,l iiieinbei.@ 4., w!ii(@ 1-11 iiiovc"(@,[ (,oiicltiit 38 i,,@ coiiiie(ted. to @i 1)0'1't 39 ill P']()- 4. 't.o t@l)C \,alve s(,,i, Thc, c!:@l 23, tl,,c@ C,)i)nectl(,,n tlii-oiio-ii ttiri@)i,ne is in(!:Icate(I ,it C). 'I 4k) iii a I)Iitc@ 41@ I ) i l ) e 4 : 2 i v l i i ( @ l i 1 ( , : I ( l s c a f e s t h e i n l e t c o t i c l l i i t ' 6 i - t l i ( @ 3 8 i s I '11)(-[ 8 tlle, (@ () ],)a(!I@ to 31,@). Oil iii,@ e,,,)d oi: I)ip(@ 42 is 40 o f' @7alve iiiember 4 is coyln(,(,te(" i-o I I !s,!-@oii ,i p,,;(,,sstiic, @-alve 43, tlic,, fiinctioli of 10 ANhicli inoves iii a cylincle,,, li. which is to iri,,-Il'iitairi iii diseli,-titge pip(-, 38 :i the top o-l' the cyliiidei! 11 1);Stoii 1,0 is ])i,oclet(,i-iiiiii(@d clez;-Ired pi,c@,@,sure. Aiiiiiilar cll,,aii b li- 25 i coiiiiected by a passage 44 aiid ,t si?r Dg 1'-) whieh seives to J@)i@is @7 4 to I c s ,,,ed positioii. Oi-i aii 'j. CIO @-I t pil),(,, 45 to (t)Tli,.,,dci@ 11 at a poiiit beloiiloo @l 5 of tlle t-Lirbilic,, sliafl@-: 'Is a - 14 1)@ision lo. Coniiected to p'i)e 45 is a br@in(ili (Irives a slial't 15, tliei@e bein@,y i 1,)il)e.oi- b37-pa@',s 1)'Lpe 46 )vlli-cll at its c)tlicr ,i.ble w6ri-i-.i iilieel on eiid is conneel.-ed to ,, i,)ilot NTalve c@-tsin- 4't. n Collil(-,.,Ct(-,C-l to tlle ill)])(,r er@d ()f si,aft 15 is t Let@diiig froiii I)ilot italve casiii,(- 47 is t (lisc,entri.fugal speed (,ovei-nor .16 coini)jisi,,(r ch,,ii@g@e -pij)e 4@18 ivhi-cl@i exteiacl,, bael;@ to oil 105 ,ii,iils 17 ],)i,Toted oii t yoke -tS ,tiid tlill@ @'16. Ii-, I)Ilot vali-e casing,47 is a I)llot oj)- 171,11@le, 49 - the Iit,,ibl@T coiiiiec'Lecdl lb)yv tat 19 A@,liiel-i q@taptecl to c6voi- and i-iiicovei L "I - poses oLitNi@@ti-d iiioveii-i,-,iit Of tlle - ,Yel@_ylit, (@,.id of 46 thei,eb@, The NNeio'lit ai,ii,is ti'e c(i-ille,('ted t-j'v a of- o;ll th@oi.-,(-,h i)ll)e 46. 8telli@ r)o of pilot al)l(, -\,iel(lilig 20 'to t tiibi:iliiI)ilot. 49 ;s (,,oniicekled to a @')l it I I)oiiit @,,ilvc@ 2--i i-otat(,,,@ Avitl) tlie itg eii(is. TliG@ i-i,),Iit tl-ie 'floni,
[2]hand ei-id of lover 51 is coii,-iectecl by a rod 51a to a cori-ugated bello)ys 52 locatecl in ,t fluid-tight casiii- 53. The iiiterior oj' belloivs 52 is open 'Lo atmosphol,e ivhll-l the exr,@ terior is stibjected to the press-Lire in casiiig 53. C,,isino, 53 is co-Lliaected to casing '@1,3 by a pipe 54. The left haiid end of -@lever 51 is 1,)ii,otally coiinected to are end o'L a lever 55 fulerumed on a br,,tcket 56. Lever ','-5 'Is conpected by a rod 57 to a corriio-ated belloii,s strlicture 58 located ii-i ,L fluid-ti(yllt casing 59. Cori,uo-ated bello-v@s 58 compi-ises an inner bc-lioi-vs 60 and an out(,u belloii,s 61 il,liicli ,tt tlie-ir loiie,: s. Pre connected to a heq-cl 62 iiici at the iI' _. eiids Pre coniiected to tl,.e u,.ider side of ,t platfo,2m 63, iihich platform @erves -,Iso as a support'n(p ineai-is for I)ilo'u va.',ve casli-.(r 47, belloia,s 52 @ind casin,- @)3 ai-i(I b,,@aci@,ot 56. '@O Col-i-tio-ated belloin@s sti@iiet-Lire 58 pi-o-@,-ides a-ii elaslic device of -Lhe r-atui,e of L coi--I@ed spriii-, as is unders'uoocl, the szili-ie 'i,a@,i@-iol,i, lieu,, al positioii and req-Lil,,-Iiig a cert,,i-'Iii Lr is cre,-@t--cl b- .@T tli(@ device effect co--Litr-qctioii aiid e@. the clev'ce assists iii tlle iiioveilielit 0-'L2 t'ile bello-Nvs structui!e 58. By tlle use of elevice, ti-ie chai'actel-.'-tst'le o-'L tiie belloivs struettii,e itiay be iiiooifieci so that it ii,,ty b,move,@l t,, iii-i"@t o' (list,,ince b@ll iiiy d(@s'treci L pi-esstire v,-,!Lle. I'@5 ii-iCLic-,-,@les a-@, @@cliust@-.ble slop '--o linii-L cloiiii-,Y, ai,,,,, i-tioveiiie@-iL' of t'lle le'L@t 1-ianci eiid o ',,ever At 76 i-s ii,,CL;IcateCi P, solenoicl, tile, core 'i@ oj' @vLi-'-Icli is coiiiaee'Ued bi, a ,P-ilidi,!.l 78 to 'Lever j@ Coi-i@iectecl -w;illh @oleiaoicl 76 -is ai-@ cli-eiiit 'T9 i-i,. -@s a-@ - PLiiiued a sti'l-',ab'le sw-iteli 'O. siv'@lte"i SO is c-Losed 'L-lie so',,,-iioid 4,o clrl-v@, t'le lef' 11@,--,Cl e]l(l le@T'll @-)5 'OIVII i LI' @, t (L stop 75. C"ts;lll(y 33, o'i bel@t-oivs 8@', p@ipe 5@lX@ aiid cas;lng 53, bellows Lire @Altli a stiltible li(iii.@ci Ny,,ei,eby tliei-e is p@'0- v.@ded iii lavctratilic ft@l! trarsi-.iitLl,ng 14 "i iiioti-on fi-om ope bel@loavs -'lo tiae otl,,er. 'Elio (- ,Pei,al,- io,-i is as f'olloivs:- Assu iTie, that i,.tlve @l Is oj)eii to @, pi-,@,- to eitlier collppse oi, distci-id it. cl,,,@te@,@ miiied e-,,telit -.-ii(i stippli7iii,,,- Arraiiged in inie@u- co,,-id@,iit '( is i pressui,eieiit, ells'L- Lc f-Iiiid to tui,bi--Ie 1 to di-ive com- 1,;,) cliiTereiiee-c,ieatiii- OLei,ice 6,--' o-"L-' any si-iit- ,)i-essoi- 2 a-Ila s-l-,eeci siieh thELt ic i-s de"!i-N7erable tnpe ivlii-h functions to creat@- t i)i,es- ing t,ie (lesirec! volui-iie of Uil(ler th(,se sui-e @litterence ivhich bears rela- cLi@@Liliis'L-ajices, 'Lbe speed bei-.io, beloin, ,i Pr tioii to th-e rate o'l -(iow 'Lhrouo,,Ii the e(,7idui'u-. deleriiiin(,cl li@lgli v,,ilue, c)@ovei-nor 1-6 liolcls -f- pi-cs- i),'Iol@ valve 21 iii ,t poslic-n sucli tl,.at The leadinol, o,.- Iiio-li i),,@essure side o it su-,--e-diflerence-ei, I C-4 is con- covel-l,,@ co,-rplete.'I) the po--""S 1- 6. -'L'h ', S 'IS ,era' -,)OS'- nee'Led by @i@ pi-pe 65 to cas'ti(- 59 a-.@id t-lie T,@lla@. iiiav be tei-med the traili,:'-(y or io-w pres-@ure sicl@@ of I)ressu,@-e- tloii o@-, il)e--d (-overno,,- I-C) so (,IlfFerence-creatii-ig OLevice @6@J, @s co,,inected by th,-@t it cloes iot coi-i-ie )I-I'L-o -LIDtil ',Ile a pip(,, 66 to the annulaj! chaiaibc,,,,, betiieen speed exceeds -,t prodetelmii-icd desireci v@liue. belloa@:s 60 and 61. The intei:@,Or o'l bel!oAAs Ptimp 35 opei@otes to (lei;-ver oil 'Lo pipe 33 60 is open to atmosphere. Witi-i the foi-e- t,@nd J)-v reasoii of the r,-Ilcf valve 43 ci: 58 is 38 ,(Yoing arr.-,, I@ the bel'iovts s'r-Liet , e I stibjectecl t,,) the dirterer.@,ial presszire press,,ire. !A'roial pi.)e 31,' o@ll appl'ecl to cl i I i,-, serves 'co pi-essure pll)e 39 o ifice 40, ap.' is@o-ii of the L-el.- s'iie(@ "8 lo-w,s Fti-tictui!e 5S in accord@-tiiee -v)Ti'k-lli ciiiii(-es o"! in the rate of flow 'cllii-ou(,h condi.iit T. l@i tliro@,iuli is coiinecl,-,ioii -wi'Lh the be!-loyvs st,4uctl,@le, 'ii,- 'Is ThcA oil 'i@orii I)Lis@cigo 19 v,- s ii-,- ti L .15 pointecl out'tli@tt ii pi,ac,,ice the bel@ l@.i, cliai3 4 -f:@oill I -ipare(- 't lo-@i,s 60 is so sliial'i. ",n d'ameter as coia -t I is clis(.-Iiii,ge@t ',o 4,@). F"(I", to bellows 61 tha' - tl-ie arf,,,a o'L tii(, the oli to iistoll I L of lieftcl 6-9 which lies Nyi@Liiiii bellows 60 iii@Lv 4116 to ,)Ilo@@ ca-)- be disre,yarded so tli,,tt it i-nay be 47@ I)il)e 4@', 1.)a(@l@ 41- o 1 -aiik 36. tli"Lt 'che @tifterenclal ,)ress-Lires createOL by t@te o'l 1, pressure-d---g.epence-creati-,i(y dclvice act oii Th-, i-iie,- Iiaiiisiii coiiil)i.-isii)-g I-ver 51, posieqtial ,treas of heacl 62. tioiis pilot valve -i9 1-11 Cel.@tl:ill I)OS:L,U-1'011 0-n the left h,,in(i e.-Li OL O-,- ever 55 aie rela'c,lA,ely to the eiid of ,)il)e z.1(3 aii able adjut:able iveights G@ for b-,IanciTi(y tiic, ai-iiouiit of o.'Ll. rloiis t'i-@i--ou(,Ia ,sucli 5 @-j lever. Also coni-iectc-c! to the le-."-u ha,,.id e,i('L th,,it 11-iiei-e i's ma@litiinc-cl I-li tile ql(,L e 'Lio',l 0'; uiider pisto-,q 10 ,t of lever 55 is ,t devie(, 68, tli Tuiie- I I wliieh is to iiiodify the cliiracteristi.c o--@" tll,@ I)i.stoii 10 in a i-)os'tio,@i 't( 11(1"(l V,-l -,T el I i 0, op, I differential belloivs 58. clevice, G@S i,@ t,) siipply tli(,, i@eclui@.@,@(i ii@ioliiit i@-idle,-,ted only cli,,iuraiiiiiiatic@-,Ily I'ji 'c I i c,, o'L el,-,s'uic ilu;lfl to ie t,,@t,--bli)e. "L'Iie bellov@s (3 dr,,twin-. It is fiill), il'i-us',i,ate@l i,,Incl @!esti-ticture 58 is -,ubjectc,-',, to the (liffereiit;- .Il j2r, scribed in iiiy applicati-on Scri-al No. - i.04,- i)resstire by 235, -'Liled of even cl,-,to 1-iere-witli. Br'eiqN,,. it ii-ig device 64 oiid b@,7 i-e@i@@on o-,@ 'Lhi.,@ I)i,(-,scomprises Nvh,-,t I tei'm an :nverte(I el@is'-;c stii-G, il)r)lie(@t to i', it :t conliect',.oii, spr:ng 68z, of the dpvice cei-t,,tti b,-,iipeecl pos'lt-ioll iviiei-eii-i tiie belon pivoted lovers 681, in i siicli 1-h,-,L loii,,,-,, ('011@ips"@(]. to it
[3]teiit, the lea@tiiio- oi, Iiigliei, pi-es,,@Live beino@ zn e@ appliecl to the 6uter suii@ace of liead 6@). If iiow t -linvoli-iiiie of f-IoNv of fitii.d I condiiit 7 decreases, wliich me,@ti-is th,,it the 6 speed oT tlae set iii-,ist bo illei-e@-,sed ii oi-d(,i, to btitig it back to noi-i-iitI, thpdil'yer(,nti-al @eated by pi,essure-Ciiff i-eii,@e-creatpresslir(, ci, (11 iiio- device 6,"z deci,ease@,, tl"(, I.L@stilL t@it:tt the bellows stut,.ct:tii-e 58 distencissorfie-",Iip@t. [(I This ser@,cs tliroug,,h rod ,)T. to lovtei- ti'it@ ri(,ht hand (,.nd of 55 i,ais(, the lei't li,ind end. Wheii it enl o ieve-- 1,1 @f I 5,5 IoNNers, it 1,,)ii,ei-s tt,,e 1(,,ft, liilri(i e@-i'll of levei, 51, iyliieli liti-jis, (,,ii I-tpll)ei@ Of- i@od 51@, @i -f@i-ilertiiii. Tli-I.,; loviei.,s pi ot i,alve 4@i ii-i%casliig 47, 't-iiei-eby e(ver,,i-ig iitli,it iilor(-, i'lic e:ri(l oT i)il)e tleei-e@ises tl,e flow o'-c' tl,ej-e-e b 'T I @ ,)T 1-icreas;D(- the in the I)ipe @ti lieiic(, the ii-,ider pist;on 10. As t result, pisf,6ii, 10 is -,-,Llsed soiiienyllcit igliiist tlio acti.o,@i o,.'@ sprn(,,y 1.2 to )I)e-ii Tiii-t,liei4, thereby eidiritti@,o@ ,,d4itionii elqqtic fltiid to the ti-ii.@biiie to incii,e,,ise thc,, s,,-,eed )f ttic, tiirbiiie. AVIIO,TL pisto@,i 10 iiio@,es LipN@@-ard it turiis Ic,voi@ 28 oil th(, iii)p'@lend of r,)d 29 as i 1.)i\Tot the i-!,(,,,ht lia i-id (@nd of the.lei,ej.- I)ei iig lovve-L-ed. 'rhe, ic)iveiiino@ of Lh(, i-i,,)-ht h,,ijid en L of le@,er 28 diste-n(-,I@ liell.oins 32, tl,.ei@eby forein,), IiqtLid fi,oiii @3 tllrouerli pipe "-)4 to c,,isirig 53. Tlii.,3 causes the bello-N@,s .9@2 in c,,@siii(r 53 to collcll)sc" soilie)-,-L,,-tt-I @vhich at thiq- ti-rie tiiriis oil -tlie r,.t4lit ii,,ind ei-id o@tL! lever 55 as t ftileruni. This -,- Ij@A,c@-@ 'uo 1;.-ft I)ilo-'L-1 vtl-ve 4i, tlt(@rebv mo@,ii),g it bick tos NA'arcl its ()ri(-iiial posi-;on. Tli-ts mo nt .)ilot. 49 to qgain uilcol,er siDmeAvliat @o tile el-icl of pipe 46 sei,ites to qi-i@(@st T-tirLher o-L i@lvc, 4 c,.-icl ftirtlier incilcl,li@llc@s ill the si-)eed of the tlirbii-te. Iii -Is, tl.iis L fol("t,tlei- yvol,(. lo',N'-IIP coiii-ieell'on fol@ tlic, I)i',Ot i,,,ilve t6 of tti(, h,,,, - Pi,@,,ve@,)t o N, c;vernLiify iiiec -h ii !eA@ej, 1),S move,-,, 't i- ise 1-1, n @7 e a s q,'l so isi biishiiig 24, but owing to the -iaclu- tliat, goi7ei-noii 16 @.s inactive L t h e spoeds ' i.ii qi-iestion, p'llo', valve @),j Si,-,eve '),I Ovel@.,@aps poi-ts 26 to ar, extent stiel@i @L@li,i@t tlie, ii-io-@,eTi-iept o-'f biishing 24 dol@s iiot i[iacover 26. The of blish 24, li i)o c-ffcct 6n 1, as lic, gove@.,n n i?@@ ol)(,i-atioi-i. lITilel, the NOtLili-ic,, of floA-N,- tlirou@,,h concluit i iiicreas-,s above the A,oltinie for@,v@Tliieh the co@- ist,@,int voliiiaie (yoveriior is set, tlle presstii-e t@ (I.Ifrei@c@rice cre,,,ttLd cleviec, 64 increases Nvitl) tile Iosiilt th@,t belloiv,@ ,triietui@cA 58 @is Co]19psc-.(l soiiic,,Nvl-i,,lt theileby raising the li,,Irl@t eiid of levei@ 55. This rai.ses I)ilot valve 49 aiid after the iii,,ti-iner ali,eacly (I.escj--ibecl effects ,t closii-ig iiioveiiient of vali7c 4, thereby IoNvei@inf,- the turbine spee(I t;,! to I)rin(- the voltime back to normal valtie. St)eed 16 i'oriiis a pre-eniercyeiicy tn (,,oN,ei,noi, beiiio- set so thtt it is - iiorin,,Lll.@T 171 ' 7 t, p i ITe 'act . It cornes ilito acti.on to tqke con trol ol' the IL-urbine in ccise the sl)ee(l of the Se'u'Iiici-c,,tscs bc@y,,)nd a pi-edeteriiiined higli i i e. By adjiisting the -@-alt@te of ive;(,Iit 67 or its j)@,)Siti-Oii oil ul)e N,01-Lillie for ivhicli thc-, g)6Aei,l@ior i,,@ s,,,t bc, i@-aried. ProTera[fie adjtisti-iic--nt -is effected by varying the 11)6sition oil tlle @yleiglit al6n(-, the lei,-e-,,- tlic, bein(,- provid.e T . I (,I 11 ttli i @-,tiitab.e i,n,,@@y be c@qllibi@,tte(i iii teri-ns of i-()Iiur..Ic". i@,j'.so tlif-, p6siti6n of de,,,-ice 68 'Lo 55 cletei,iyi]Des tti-- exteiit to @i,t@ the eltii@,,.ete@l-istic of bellows st@iietiire 0-8. Iii tlils coliiiecticit. it -@vill be 'Linders'roo(l tli@it 'relloi@rs piliis f6rii, -LA s i, siibstance presstir@, l@(' devic,@ actuated by clian(-es in the clifl-erc@nce set iil) b@, the pressiire(lovice 64, a.Lid 'L-11@,it ,vliiie -C 110,@-v pj:ef,,,,ii to iise this p,,ti,ticult,,r arl-an(reYrienu@ II-iy ina-eiition is iaot Iiiiilted thercto. ',I., "till-T tvpe of presstire responsive cle- !):z ],)e tise@l. Cl,i,ci,,@ it CIOE@el. 80 niay be ,It, Illy -!)Oilnt fi-oni it is desir6d to e6ntrol tll(, ,,el, so is to (.,I)(,Ck its ex.,,iiipie@ in the cas(@ oT 1)1_ast bi.o-.,v i ri 't r -L @v. I ii@ty be @iesired to s'o\v (lo, i ,I)eed o@.@' the set cii,-t closei, 80 is el6se!@L, tli(-, lef@ 13,,iiid eiio, o-t@ donvi-i -t,( iiiisi-, stop @tltliei@eb3, i-aisil-i,@, Pilo'L, i7,tlve 49 and effect.i-Lioi closii-i@)- liioveiyieyit o-@L' -@-a,',ic, iiic@ans 4 to a-@i (,xient stich @Ls to brin(- -Lli tilirl)ii-iesp,@(@(t @- i T e aliie@ Stop i,) -iiai be to flie d @ired N -t the totil iiio,,,enieiit of icljtisted to Ic,\-er @),) to tllalc@ whicli -@i7ill efeect the desired @-,-@)eecl With tl-.ie abov,- (lesci@ibe,@ tii,raii,-eli-ieilt, tli, 63 t,)@)-etlei: p Lol",I-l 01@ S-LIPI)I (,i c, lll,,t)T b@, I o;, @il II-iy CT(-Sil-ect I)oitit to 6 i-- (@li(, t ,iyid is co of t] e ti rect(,,d t6 it 011!)T by tll(@ pipin(, sbonvii. As a L -L -'L t, the co@itilo'- ificellillisil-I to 1,)e, iii,,ted dit,ectly@oii '- e tlirbine set be iilo Lh coines Colil)ai@atiiel)7 -,,inpl(-, @iii sti-iiet-Li,,-e iiid coinI)i@ises btit This re(Ittecs the 0 e 11 I ill f I i o tli(, ti i@b' e -,ind s,,,ri7es to siillpllfy the meelittriisli-i to 1,)e i-ii6uiitecl c;ia the ttii@bine. Plitforiyi 63 and the i-ilecha iiisii-i n-ioti--'Ited L@lereon ii-iav be built aiid 120 @,isseinbled -ts ,t -Liiiit apd I-,ncls itself to bcipg inount(,d on a siiital)le pedestal at th(- desir(,@L p6ijit. Also, @lie il)pai@,itus is siiiiple iii structu@e, i-,-,Ilable in 6pei-atioij, an(I catblc,, O-i' bein(p built at IoN@, cost. 125 p @-I In a,ccordance ii,itl-i the I)ro-Nisioiis oT- t-,he patc@iit statutes, I ha) 7 e cle@eribed the pi-iiicil)le of- opel@ation of n-iy iiii,ention, to(yether Nvith the appai-atlis wllieh I noiv c6iisi(Ter t6 repi@esent 't-he best enibocliment of my ill- 130
