1-ioll,@olici@ -is@ pi@oN,ided@,iAlt'li a eireiii-r ife'relitiftily @pet;foi,tAzt@d i btighing @ 57@ S-,,iid I)Ushillf,- 57, is @,q-lso pro-vicled @ilip ttio tiierc,of adj.,,i(@eiit @t-lic.-iie6dlo@valve.)Yitli a i)iijr t)f @dittiiiotricallv disj:)ibs@d,tivcuate-;slot8 lilhich are adapted t@6 be @co@@eted an(I iiiicoveved by a rotattble vllllve,-60 liaviiig (@ol-re8ponditi!,i@ diti.ilioti@iciiII3, 'dispo@sed slots 61--61 (see i@io-ure 6). @;'I@lie@ @pl@te vit,li,e 6@ 10 lias i httiidle 69, @@,idaaiii-w -i-t @ for iii,,iiiiial contr6l.. Tlle ,ti r i-fii xing pipl@@ 46 is entered throtigli t,lie ash do6v or other si-iitable openii-ig of the furnace beneath the gi@ate aiid then o,,x15 tciided Lipwardly t,hroiigh the latter into i cylindi-ical chaiiiber 63 froiii which ,ire extc,iided laterally @ a series of buriier pi es p 64-64, the 1,,ttter of course being locite-,l inlithin the fire pot 10. 20 lie o@eiierators C aiid D r T aiid the buriie pI.()pet- E are eiiclosed or covered over b@r a casing or shell F, the l@itter being suT)poi-tecl 6n the base plate 13 -,tnd removable tliorefi-oi-i,i. S@iid shell 6r casing r4 consigts 25 prefei-ably of aii inner 6ast iroii ivall 65 covered ivith a 1,,tyer of asbestos or miiier-,tl iyool 66 alid an 6-Liter layer of slieet iiiet,,il (1)7. @-S ivill be iiiiderstood by those skilled ill the art veiits 68-68 tre left oii the sides 30 so as to 'adiiiit the necessary aiilolint of air forcoiiibustioii. T6 utilize the heat froiii the buriiei- pi-oper, wliieli wotild otliellwise be dissipated froiii withiii the casii-ig F, the 131@oducts of combtistioii are leci t] -oiigli a li,tertil ipe 69 aiid cojiductecl 11- p to tli@@ iiitei-ior of tllo fui,nace tbi-ougli aiiy st,,it@able opeiiinc,@ in the fi-oiit thereof, g(@iieral'ly tli(, ustial flue door 70, so tl-i,,it sai.d 40 pi@oducts of conib-Listioii are ittilized pi-odi,ict@ivelv iii heiiiii r tl c@ g the air o Avater as i ca,@e iiiay be. Iro ti@ilitolliitically sliut off the sttpl)ly (-)'L fuel to illy iiilpl,oi,cd bui-ner, ii-i tl-ie eveiit tli geii(@,ratoi-s or bi-irner pi-oper @ti-e stoi)T)ecl C 45 I-oi- tiny i-o,asoli, I eiiiploy the folloNvin-g 'ai:1.11,11]i(,- ei@iel-it. Disposed beiieath thc, diseli,,irg(, iiozzle 45 oii the iiiaiii geiierator al'id belo-\v the pei-foi-ated bushilig is a drip paii 7'@ cai.i@ied on the end of ,t lever 78 ivhicli is 50 I)i-vo4ecl iliteri-iiediate its ends ,ts noted at 79 to an upriglit ariii 80 seeltred to the base 1,)I,itc, li-1). Tlic, opposite end 6f s,,iid IcVer 78 1,@ foi-iliecl witli a Ititcli oir ti-i-(-elblc@ witli ,t ii6telied or sliotilderec , t 55 c 0 Witil ,t llorlz()iittlly exteiiclSaid shaft 8,3, oii its eiid ilig SIVlft,@@if ill@sliut-off valve 40, c,.ti-iies 1-1(,.,Il.est ti-le a slo'Lt(,d clutch iilelliber 84 wliicli ill tul.n 60 CO()pei-ates witli a secoiid clutell meinber on the end of the opel-atirg rod for tile valve 40. Said shaft 83 is rotatably inount,ed in SI-litable beariii[o-,s T)rovided by a spring liolisil-ig 86 aiid witl@in tl-ipjatter said shall 83 has one end of -,t coil plate spring @7 65 sectired thereto, tile OPPOSitf,' eiid of said spring being seclircd to the lio,,isiiig@ Tll(,@ sli,,ift 8,3 is e.@,Aeli(led be37oiid the ei-id of the 86 ,,id carri.(-@s ,t @liaiid x@lhocl]. 88. Tl-ie.,ti-i-aiio-eiTiol'it is stiel-i tlitit the - spri7i,), P,(Is -t @rot@,ite ith sliaft S' iii 70 8@ t(,, @ 6tiiiteu 0 0 clockwise directioii iii Fig. 5 for closil-ig t@110 v,,ilve 40. 11@l,@eii itlie i7al@@e is opeiiecl iiiaiiii.@t@l,ly@ ib@,l i-,Iie -Lise of I th(-, liai-id-,wlieel 88, tIAe flito-er 81 by en,,o;ager;ieiit -Nvitli t-,he liotelie,-l ii@h eel SI-) @liolds the iralve opoii the I V, r 78 75 Leiiio, slio-htly ov,.erbalinced for lioldiiig tllo Si by gi-ai-,ity iii posi.tio3l. IVh eii, liowev(-@i-, the I)aii 77 begiiis to fill iyith liquid fuel di-ippiiig froi-ii the iiiai-.1 gen era'Lor, the lever 78 iiill be overbalai-leed 30 ii-i the opposit-. directioii and tlitis i.-eleas,-- the sh,,tft 80o aiid .illoii, it to rot,,tte coui-iteccloc kwise Linder the iliflliel'ice of the spi ,iiig 87 and tli-Lis close the iii,,tiii ialve 40 ,tlid prev ent ftirther stip ly of ftiol t6 either of S5 p the gener,,Ltors. I claiiii: 1 . In i hydrocarboii burner, the coii-ibinatio i-i with t illain vaporiziiig geiierator of elono-ated f6i-iii al'id iiitla ,t su bstaiiiially 'o broa d flat side at the bottom, of It smaller auxil ial-y gelier,,ttor,l)ositioned centrally beiietit h the generator, nieaiis for slipplyiiig f-Liel to e@ieli of said gei-ierators a burnev pio,)er colisistilig oi two btirner -Linits lo1 cate d beneath saicl li'laiii 'Liid auxili@ti,y geiierat ors ai-id at either side of the aLixillai-3, oeiiei-atoi, ,iiid @idapted to i-olec,t flainl@s zn p tlier ef-roii:i i(- ,tiiist tl-ie flat side of the iii.,,in 100 g -o -i iiis f )i, stii)plyiiig vaporener,,it r i.nd ii e, izcd fiiel adii:iixc,(l witli air f@oji-i s--ict auxiliai,y ('eiiel,.ttor to said btiriicl- i)i-oper. 2. ii ,t li@,drocarl)oii biii-iie,16@ tli(, co,.ilbi@. i-iatioii ii,itli L iiiaiii @,apoi-tzing) geiier,,ttor 1,05 of elopgatcd f(rii aiid seiii i-cyliiidi-ic,,tl ) I ciloss sectioli ivitli the flt,ii,@ side tliei,eo-l. at the bottom; ,ii-i auxiliai-y geiierator ai@raiige(I pai-allel ivith ,tiid ceiitr,,illy beloiv sctid iii'llill geiiei-atoi@; iiieaii(,3 supi)l@,in,.(; fuel to bo-LI1 of stid geiiei-at-ors-. a bui-nei- pi-oper coisistii-ig of t-Nvo si-mil,,ti- bLirixer i-inits extendiii,l parallel Nvitli aiicl locited below said iiiaiii ali(.l @iuxiliar3, o-encrators., tii-id me',Llls fol, SUPP13Tilig val@oiizccl I'liel tdmixecl Nvitli air froiii sllid auxili,,Li-y generator to sqid bilii'nor pi-oper. 8. In a liydi-oca-t-boi-L buri-ior, tli(,@ coiiibiiiatioii with' a iiiaiii illtporiziiig geiiei-,ttor. of aii ai..ixiliar3T vapoiiizing gelicilator iii the 120 foi-iii of a pipe; t btiiiier propol. Coll,prib,- in(Y tnviii al@i-,tiio-e(I litel-ally se@)arit(,cl slotted pi-pes 'id -lisposed beloii, sa aiixili,,try getiel-.Itor aiid the iiiaiii geiiei-ator - aiicl iiie@,I)IS foi- stipplyiiig said btiriier proper Avith ATa- 1.25 porized fuel. 4. A hydrocirboii btiri-ior idaptc@d to be used in conjunction witli .i. hard fl-iel heatiiig apparattis locatecl exteriorly of s@tid ,tpparat-Lis, said hydroc,,irboii buriier iiicliiding a fuelv,,iporizing geiierato@, t burnei., 130

1,536,533 propei@, iiieaiis for coiicltictiii,,- i,,,ipol-izecl ftiel aclliiixecl \vltli ai.r to the iiiterior of stid appdr.attis; a casing over s,-tid geiierator aid biiriier proper; ,tiid a veiit pipe from said cas'iig leadiiig to the iiiterior of I said apparat-Lis. 5. A hydrocarbon burner coiiiprisin- L base, ejid iialls, tiaiii slotted burner pipes extencliii(y beta@,ecii said end Aialls, aii auxiliai-y locatecl above .iiici iiitermediate sal 'd taviii burner pipes anci arraiiged pai-allel to the latter, an air iiiixiiig locatect above said IL-he btirl-ier pipes. eliiiiiber betin,eeii the eLeli-\,-ory ciicl of s@ti(I geiieratoi- aiicl the adiiiissioii ciid of s:iict bui-iier pipes, alid a ii-lain vapoi-izin- --eiierator extencliiig betiveeii saicl ei-id iyalls .tiicl -- encrallor ',ID@'i \vitiiess that I claiiti the for---oinI liave liereuntostibscribed my iiame t'ii_ls Ist clay ofFebruary, 1922. 0. IIU.L@IPHPEY. Witiiess: U@NA C. GI'IGSBY.

e 5, 1925. @.JNITED: S",T'ATES PATENT OFF@ICE. RALEIGH 0. HUMPHFEY, OF M-IICAGO, ILI,INGIS, ASSIGNOPV TOi AXERICAN AUTOTGATIC IIEATING CONPANY, OF C-kilOACi,9, A ATIOI%T OF DELAV-7AR-E@ Be it kii6ivii that 1, 0. I-IUT@lo@- t the Uiiite,,l Stpte@s, i,esiO,- il,ig ,tt CI)icago in tlie. co,,Iii of Co,,)Ii:' -t,,id State of llliiio.-@, h@ive illveiit d a ceri-,,tiii ii-lw I'l.lid -Liseftil Iiyil-)roieiiient in HvdroearL-on Burne,rs, of iyliieli the clea.r coiicise 1.1 -id e.-Kaet dc, eiiee bein h,,i(:-[ to the @ACI-Oliipcinyitig dm. -v,- 9 10 iiags, T6rining a p,-irt of tllis spc@cificatioil. Tlils iiiventioll rel,-Ltes to iiiil)i.,o-\rej-iients iii hyclroe,@rboi,i biirners. Oiie object 6'1 the iii-veiition is to@ provide ,@t bliriieiad,,t-,,)ted to Lise li@eroserie or other 15 rc,,Iative@y, low" ('r-,ilde li3,drocarboii ftic@l aii.cl @v'ji(,reiii tli-, -T-uel is contill',IOUSIY vaporizecl b@,'i@Ore be'llig @Illi@xed ivitli a;r. ivnotl-tei, object @of tlie@ invei@i@uioii is to pr6A,icie a hyclroc,,trboll btiriler - wlierc,,iii @ire ciii20 plo.)7ed iiiaiii ,Liicl auxiliary v@iporiziiio, (-eiiz@ 4nii ei@"ti-ors providiiia tilp, V"11)or@izecl TLiel or - iii,iiiitaining tl-ie iie,cessary teinperOLt'Lll@e 01 bot-li generators ,tiid ,ill fuel iai)orizecl iii the -o-e-norator beiiig -Litilizect pr6d-L,, c25 t'Vely. A;@other object of ilic invoiitioii. is to pro,t li)rclrocirboji bliriier -",hicli is 6sP,-ci,il.1-y ta,,)pted for iis(, -\vitli ftii.-i-iqees, liot I Avlzt("V I.c,,aters aiicl tlie I-ike to repl,,t(,e the 30 iisti@il Itiel, s,,ticl bitriier li,,,..vin(- me@,,iis -for ,Iutoiiiati,c,ill-), i-oo-tilatiiio- tlio ,tiiioliiit of vi poi@i,@ed f Liel anl p@OIT.Icled also AiTitli meaiis for Yiito,.iiat,--c,,illy slii,,ttii-ig ofT the stippl3r of the liydro@,irb . on fliel to tl,,e bu@,,iier wben 3 the is extiiigliishe-,l froiii "L@@iy cius,,,. 0'61ici@ objoc'(Is of the iiiveiiti@(i-i Avill li'lore cle@ii@ly ,,,ppe,,tr frolii the desci-ip@uioii and el,lillis li(,,reiiiiiLer Iii th6 di,-a@A,@ijio-s foriiiiiio- t part of this 110 sl)ecificatioii, Itigui,e 1 is ,i con-i';jiiied si.de ,ii-id irei-tie,,tl sveti(iltil: vioav (1-' :i clitl)o(,Iyillg 111)7 il@IPI!oAT"@IIIG'Ilts 'til(l. it liot @ir ftirii@ice AvIlicli tll(, td-@)-I)tect to I)c, elljpl()T(@' i,e Ill 115 ell(I C oi@ tlie, iiiiI)roN,e(.1 slioNN,ji iii 0 is @i t(,)p pliln vie-\A, (T- [lie i@ylpl'(@T(ICl 1,)',@rlier Avit@li Clic, (,o"T(-,].@ 01, c@lsill(, 1'elllo\7c,(I. Figiii-c verti.c,.ii, loli@,itii(lin-,ti. :3(,Cs @),ii oillarg d Itioii@il view of tl)o btiriier 'co )e @ 4--4 O' i-(, 2. Fio--tti-e 5 tl seetioll J. Figu is a det,,t',l sec,ui6nal vie-w corresi)()iiclto the sc-f@,, J k - I'oi-i line 5-5 of Figii-re 2. Figi,@re 6 is vi@eiv,of an -,Lir is ,t i@till, -ioii referApplicatioll filect F0,Y)l@ 9@,@y Isi l@To, 537,u6. coiiti-ollc,,-l ialATe for tlle Illixer ,Illcl corre- 55 spoilds ,ippi-o2,cim,,ttely to the, sectioi-i Iiiie ,ind 6-6 6f Figuire 4. Figlires 7 ye-rso,-tioilil vienis t,,tken tr,,tiisversely of the biiriie-c ancl correspqndiiio@ iiitli the 19oct3oll lines '@--7 of Figtire 1 ,tiicl 8-8 of Fig60 Lil-e d:, @,esl)cctively. III saicl 0'rl)l-illgs, iliv iiitproved biiriier is desi&,@@-i,.ited b..@ the refereiiee cliarI @i(@ter A aiid the ho,t Ilir ftiriiace witli iv.1-iieh it is slioalln associ.ated is 'u-iclic,,ited by tlle 65 r(,,Eerciiee B. The furnace B is shoi-vii as proviclecl ",itl-i a fire. pot 10, (yrate 'LI, eciiibilstion clianiber,12 alid suital@le flues etistoii:i@ti,y in ,tir -A-s will be Lilidoi-stoo(i@by tl-iose sllilled in tl-ie art, iily ill,- 70 i)rove,,l biil--ner iiiay ],)e eiitployed -",ith hot i,%@atcr or stealn Iieaterg. 'I'lie iml,)roved biirner as slioiv,ii eiiiPI03,s ,i ii-iaiii I)ase or bed pl'ai,, 1,9, to'tlie foLir 1 75 col.rers oT Which are vertically ,tdjtistably -ttiched pedestals or feet so tl-iat -, t tl-ie 1-ieigl-tt of ti-@e btirner fro-ni the floor or other s@il).I)ort @iy be aclj List d, ,is Nvill be li'l e u.,netersto d. @Tlie base pla'te 13 is,c-Lit a-way 0 ecntr@illy as inclic,,tted at 15 iii Figure 7 anci 80 clisposed wi[Iiiii s,,Lid ope-;iiii O' is a i,eiiioNTtble paii 16 filled witli abs6rbl-nt iiiater@ial 17 so tlilt a priiiiijio- p,,Ln is. tliereb3, Pl@OATided to zn bei LLqed the buriler is first started. -LI -icl 85 Sc-c red to the bise pllte 13 near e,,tch ei tliereof are vertie,,illy e@-ten6ling stand,,irds or end plites 18 ,tncl 19 i the lat@Ler beino, arriiiged parillel @as: sholvi.1 best in Figi-ire 3. encl plates IS aiid 19 ,ire I)i-efei@ably bolted or otlierwise detacb@ibly seciired to 90 the blise @pla,te 13. The eiid IS ',Il'ICI 19 .,ire iiotched at, the to.l)s tliereof as lildicated ',It 20 i@n 1,'iatires "i'. aiid :8 and Nyitl-iiii said lio'L-ebOs 20 are adapted to be receii@ed the extelidocl ciids 9-1 @iiid 22 of the ill@tiri 95 tor C. l@,)C.Iow t'lle tiiaiji geiiei-@ttor C is locit(,d tli(,, geiaerator 1), preferably ill tlig f(riii of @l I)ipc@,, AA-li.icli is extc@ncled thi-ougl-i t sleeae oi- b(,,ij-,iiig I)i-,oAided iii thc, eiid ioo IS ijid throlt(VII aii opeii iig '@)4@ ",II the ciid ",all 19. l@'Qloiv tlic, aiixili,,ti-)r (-eiiei-ator 1) (iiid ex't-(@ild@ii-ig :,iiid -ecLirecl to said eiicl -\valls 18 and 19 is the btirller pi@o,per desig- 105 ii,,itecl by the tref-erence, chir"tct(,@r E@ Siict btiriier :ploper E, ,is showii, :@,ons;sts C,]'[ two 1),orizoiital ,tiid 4r-

111111(.Ocl pipes 2,,)-25 lat(@nilly s,-pii-zttc,-l ,iiiC[ cacli p@,,o,,,i(.1c,.d oii the top 'Llie,.-cof A-N,itli ,t series of trans@-ei-selv extciidillobtii,iier slots -96-P.G. Tlie' pipes @)5 Sili)plied ivitli i-.iporized fitel iiiixecl AA,-itli ,,ir throti(,,Ii opepirigs 27-I-)@' iii the e-,,icl ivall 19 Ayliieh ai-c ii-i coiiiiiiiiiiic,,itioii lvi,tll @i Clill]Ylbei.- 28 proi-ide(i iii goose iieck pipe 29, the iipl)er 10 eii(I oO of A-vliicli is exteiidcd ovei- t@lle cleeiid of the J:). The geiierator C, as slioavii Lest iii Figtire 7, is of scriii-eyll.-,idiical foi-ii),.itioii liaviiig a flat bottoiii aiicl i euiv(,,d 15 tipper Tlie, ii-idtli of tli(, flat bottoji:i wa 11 31 is sliglitly tli@iii tl)o (list,iiiec I']-oiil the Olitsi@Le Poi@'it Oil one p;pe 125 to the otitside point on the otlier pipe @)5 so t'tiat the Piiiiie arisii-i,y -"roiii the p'pes 20 25 AA,ill stril@c a(yaii-ist tlio 1q",Il- bottojii i-vill i3i of the ip.,tlii (yeiierator --n([ lieat tlio 1,,it4L-er ijiteiisel,),, at the sqiiie tliiie lioatiiig 'Ulie aiixill.ir3@ goijerttor D iiliieli is lo,@ate,-t betivoci-i the i-.iaiii geiiera[or qiid the litii-iier proper 25 aiid iiitermediate tlio pipes 25 ()f the btil-iicr proper. The ftiel is applied to tli(,@ btiriier from ,t not sliowii, iihicli iiiay be arraii-ed to feed the fiiel el'tlier iiiider grai,ity or -Liliclei30 @ilr pi-essiire, the ftiel beiii(- siipplied tlii-oii5,,Ii a i,@iaiii feecl pipo 33 (see Fl(,,iires I an(I Ai-Iiicli let(ls ijito :t T-coiipl-'tiil-,- 34 frojii Aylilelt ai-o ex(-cii(l(,d iipl)ei- aiid ]oA@,ei, -f(@,e(I 1)1.pos 1),) @iiid @')6 leidiii(ly to the exicii,'ted (,jid 'b 5 @.1! 21 ( @ lic@ iiiairi geiiei-@itoi.- C, @@,iid the exteii(le(I ell(i ol' the ,tLixiliai-y .1) ti@A-elv. III tile pipes 111(1 @O'S ajic[ I'eSpeet'NTely. il@ @JIS( I , 40 ct)-..It,,.Ol t-0 fou the iiial'ii p:ll)e, id i@ali sa, -e 40 bOiD,(' ol)e,':ited ititoiyiatic,,i 1 13, @is lioi.@ei.iiaftei e2@1)1.iiiiecl. 'riie fiiel siipl)lied to the ,.tixillirv (y iiei-- @ le @i'to,.- D, tliroii--ii the braiieh feed pll)e 45 @ROAIS Ilfll(y tjle I)ipe-lili:e Yeiier,,it6r D aiicl i@-ill be i,@iporized a-pcl ejected as t A,-apor the diseliarge iiozzle 41 ii-ito the il'OOSGI"l-leck iiiixin(y chamber, liereto-@loi-e i-eferi,o(l to. The amottiit of v,,il)oi,ized ftiel 50 delivered from tlae ,Liixilliry ,eneri,tor is coiiti-olled by a needle valve 42 liai,ii-ic, a i-od 43 Ai,llicli e-xtends out of the left haiid eiict. as iTi(,ii,,ecl iii Fi(Ttire 4, and has t@ire,.tdecl C(lill(@(itioii ia,itli a iiiit 44. 5 ],,e fti(-] siipplied to tli(,, iiiain @yei)ei,@itoz C, the bi-@iiici'i I)il-)e '05, is iT-,tpoi-17(@(-[ @@-I i-i tlle ill',Iill ]),I].'t OT tllc ll("r,-,tor incl is (1(@lliTerecl t]-ii.,ouL@ii the exteiision '),P@ aiicl liiially tlirotigh a nozzle 45 iiato the ai,i- iiiix(O ;ii@-Y I)ipe @4-6. The amotint of i-ai)orized ftiel delivered tlirough the iiozzle 45 is coiitrolle(,l bv aiiot'ller iieedle vali,e 47 eprriecl ,it the ei@d of iii oderitiiig rod 48, the ol)l)osite en(I of saicl i,o&48 Iiai,ii-ip, a steep piteli tlii-e@t(I _qleei,e 4-@9 secured tl -iereon aiicl with AA7]ticll c(,ol)erates t-c piii 50 so as to pi-o(I.Lice, 1'el:i1110ITeiiient tiae,l ,,,i-eat l oii(piti-iclin,,ill,), (;i, ax,,,Ily of 'Llie needle A,alve 4-7 4@'or - coiiipii-;ttii-ely siiiall arcs tlirou(,h iiliieli the ol),@i-- atiii- rod 48 is ttirned, for tlio ptiri)ose 70 inafter deser;bed. The outer ciid of the oper-,itii-,,y i,ocl 4;1)', as s'l)owii iii Figtii-es 2 ajict 4, liis seciired thereto a lever 51. The otlICItr I'@ll@,7 0 opel-ating rod 43, at its oiiter on(l, li as 75 seelired tliei-eto a' tiA@,o-armed btisllil-i(, 52 tii(i -,I loosely jaiotiiited JOITer 53, the iiiiieie@@- t@@i-ided elid 54 of i,,71ilel-i ivoi-l@s ]-)etiA,-een tlic@ trjiis of tlic, Iiiishiiig I.,9- to ])j.-oi,ide foi,, a pj,c(Iotej.,jiiiiied Pii:iotilit of aii(ytilai, lost illo'Uioli. 80 TI)e levet-s @-I aiid ")'o ai-e extended iii tli(@ saiiie Yeiler@il direction arl-d are adil)tc(l to Lc, colii-iceted to aiid to be simult,,tnootisly iii(L siii-iilai-ly operated by a el-i,-Lin or cable 51' ivhicli pisses ai-oi-iiid ,t suitable pull 5(;, 85 ey said cliain or cable being operated 1.)v a sii,.tible iiiotor, iiot sliowii, the motor iii ttil,ii I)eliig coitro'lled by ,Li-iy of the -",ell l@:noy,,ii types of therinostats so 'uhat wlieii the tei-,iI)eratiire of a room I)e,,tted fronl the ftii-iiace t, 0 II,, reiclies ,t predeteriiiined maxiii-iiiii-i, tli,-, motor ivill be operated so as to ii-iove the cliaiii or c,,tble iii tli-I directioii indicated I)v tlio arroiv T. aiid wlien the room i@etclies a predeteriiiiiied ii-liniiiiiiji-i, tiie eb-,Ilil oi, cable is ol)(@i-a'Led ii-i the ol)l)osite tii-e(-i@ioii. Iii tlils ii:jariiier, aiit'ojiiatic CODti-Ol 01' ]III, I)iiriiei- is ro,,idily ol)tiiiie(l, @is i@-ill I)c, iiii(lei-siiood. It IS 01' COLLI-SO tll@lt t,110 ItlXili(11-Y (Y(@iiej-aloi@- 1)(' !IC@7C!" eDtil-C@].@T Sllllt (il' tilt(111(t it i'3 I)c I fill-ly collsiitiltl Itifl-O N-"Itllollt 1,,,,iste of fliel. Foi- tl)]S I)os,@, tllc lost illoti-ol is - pi.@oi,ided for be tayocii the leaer 53 ai-i(I the needle i-od 4' so tliat, tltlloiig,-Ii t' e i@,o(I 48 13 foi- the coiitrol valve of the maiii geiiei.-,itoj, C ivill respoiid qtiickl.)7 aiad ftilly to ill, 110 iiioa,eiiients of the chain 55, oii accollilt of ilie steep pitch thread ,ind pin 49-50, atixili,,Ii-y -enerator D ",ill iiot be afl'eete,,l I)y si-iiall or iiiiiior ii-ioveii-iciits o'L the cli,,tlil 55 ai-id iiill only be ,tffected Avlien a re'iativel.), (,I@eat chaii-e is required ii-i tl-ie aillojl)t of! fllel ITaporized for the biiriier pi-op(,,i- li'@. In this iiiaiiiier, iAIlile only a sli(,Iit aj)iolll)i. of i,ai-)oi-@ize(I ftiol iii-,t I b(, i-e(Iii're(i ii tiie, or otlier apl)@i,,-ati!,@, tlieless tlio t-eiiiperatiire o-f the ator as A,,-ell as the aiixili,,ii-y (,e]@ej @,,tol be ii-iaii)f-aiiied witlioti' 111-1,IeCeq 7 1, u AN Si 0 ftiol ,tlid iii coiiditioii to iii-iiiie(liqtely ),,.iporiziii(y ai-iy qiiaiitity of Ttiel ii-L tlic@ iii;till geiierator NNIien lieat is reqiiire(I iii ti)(@- ftiriiace. Ti-io vaporizecl ftiol froiii the iiiaiii @itor C is szipplied to the inixin- I)ii)c is -liereinbefore oxphiined. The lattej-.",Lt its