claim: 1. in an apparatus for purifying lubricating oil, th@ combination of an oil-refini,no, chainber having an inletport, a discharge-port for gases and vapors, and tavo 2 0- oildelivery ports, means to heat said chaiiiber, a thermostat in said chamber, a valve coacting witli one of said oil-delivery ports and governecl by said. thermostat, a meclianicall@- operatecl v,,tlve coacti,-Li(y with said ,15 otlier oil-delivery poi,t, and means caiisin(,, the oil traversing said chamber to be slibjected to the action of said heating means when said thermostatically-co trolled valve is closed and to be substantially free from 40 such heating action when such valve is open. 2. In an apparat-Lis for piirifying lubricati-ng oil, the combin,,ttion of a structure han,lno- an tipper oil-refining chamber with an inlet-port, a, discharge port for gases and 4o- yapors, and two oil-clelivery ports connecting said chamber with a lower storage-coinpartment, the entran6es to saicl two oilports in said chan-iber beiny at different elevations, nieans to heat @aicl chamber, a 50 thei-mostatically-controlled valve coacting AA,iththa,t one of said oil-delivery ports,havin(y the lower entrance, and a mechanicallyZ, operated valve governing the other oil-delivery port. 55 3. In aii apparatus for purifying lubricating oil, the combination of a striieture having an upper oil-refining chaniber with aii inlet-port, a discharge port for gases ,iild vapors, and two oil-delivery ports connect60 iiig -NAith a loiver sto rage7com artment, the entrances for said oil-delivei-y ports beiiiat diiterent elevations in said chamber, naeaus to heat said@ chamber, a valve coacting with one, of said oil-delivery ports, a ther@5 mostat in the lower portion of said chamber c()litrolling said i,alve a. A,alve coacting -NA,ith the other oildelivery port, a float in said siorage-compartmeiit, means actuated by said float,t-o control said last-meiltio,,ied iralve at least in part, aiicl means causin(y the 70 o'l traversing said chamber to be subjected to the action of said heating ni-laiis ivhen said therinostatically-controll,-d valve is closed and to besiibstantially free froiii stich heatiiig action when slich valve is open. 75 @ 4. In an a paratus for p-Liri-.f ing ILibrip y cating oil, the combination of a strilettire havino- an upper oilrefinii-ig chamber with an inlet-p6rt, a, dischar,,Ye-port for uases and i,apors, and two 011-deli-very porls and an 80 aii--port c6nnecting said chainber -@-,,ith -,I lower storage-comparti-nent, the eiitrances for sdid two oil-ports being at different eleA,ations in said chamber, i-neails to heat saicl chamber, a valve coacting with that one of 85 said oil-delii,,ery ports ivith the loiver ciitrance a tliermostat in the loiver portion of said chtmber coiitrolling tl-ie ,tction 6f sI-Ld ATalve, a float in saicl stora(ye-compartment, a vallte actuated at least in part by said 90 flo,,it controlling said @other oil-port, ancl means catising the oil traversinff said chamber to be subjected to the a@-tion of said heating means when said thei-mostatic,,tllycontrolled valve is closed and to be substan- 95 tially free from said heating act-ion ",hen such valve is open. 5. Iii an apparatlis foi- ptirilyii-ig lubricatina oil the combinatioil of an Lipper separatin(Y-cliamber having an inlet port and a 100 discharge port for gases and vapors, a lower storage-compartment havina an 6il-delivery means therefrom, a division-Nvall separatiiisaid chai-iiber and compartment, a receptacle above said division-wall with its sicle wall 105 spaced inwardly away from tl-ie corresl:)onding -wall of said separatiiig-cliamber, a heitiiig jacket encasing said separatina-chainber, said division--wall havin- @i first oil-port aiad an air-port therethrough connecting said re- 110 ceptacle and compartment, a second oil-port therethrouo;h connectino- said chamber and compartment, a thermostatically-coiatrolled valve governing said second oil-port, said compartmeiit haviiig -,in air-inlet port, vali,es 115 to control said air-port, air-inlet port, and first oil-port, a float in said compartiiient, and connecting means whereby saicl f-loat actuates said 1,,ist three-nientio@.-iedVtl@Tes at least iii part. 120 6. In an apparattis for ptirifying lubricatin oil, the combination of an upper separating-cliainber liavin- all inlet port ancl a discharae i,)ort for @ases and v,,Lpors, , 125 means to he,,it said separatinu chan-iber loaier storagecompartment havin,- ali oil-delivery means there'Lrom, said apparatus having an oil-poi@t connecting said ch,,Imber and compartment, a valve to open and close, sp@id oil-port, and thermostat-ic means having a 130

1,650)775 loose connection with said valve to operate the latter tt least in part, the valve being cal.)able of renlaining closed under certain pnei.iinat.ic pressure conditions, even though the thermost@itic ineaiiq would otherwise permit it to open. 7. Iii aii. appai-atus foi, purifyi,no, lubricating oil, the combinition of an upper,sepai-,itiiig-cha,l@iibei- liaving an inlet poi-t and a 10 cliscliarge poi,t for gases ancl vapors, a lower st6i.-,ttge-coml,)artinent liaving an oil-delivery iii.e,tD.s tticrefroin, a receptacle in said chambei- wi.th its side wall spaced inwai,dly away -rroin Lh(,, coi-i-espondin(, wall of said cham1 r) b(.,r , n(y jaelcet e in,,--chanibei@ s@id tank having- a first oilt-> I port ancl. an aii--.port connecting said receptacle andcompartment and a second oil) -t laeati " -@easing said separ,,ttport connectinu said chamber and compartment., a valve Co open and close said second oil-port, thermostatic means having a loose connection with said valve to operate tl-ie latter at least in part, the valve being capable of remaining closed under certain pneumatic, pressure conditions even though the 25 thermostatic nieans would otherwise permit it to open, said compartment having an airinlet port, a valve for said first oil-port, a ialve foi, said air-port, a valve for said airinlet port, a float in said compartment, and 30 connectiiig means -,A,bereby said float actuates said last-three-mentioned valves. In witness whereof I have hereunto set my hand. RALPH L. SKINNER.

Patent@d Nov. 29, 1927. 1,650,775 UNITED STATES PATENT OFFICE. RALPH L. SKINNER, O'F DETROIT, MICHIGAN, ASSIGNOR TO SKINNER AUTONOTIVE DEVICE CO., INC., OF DETROIT, MICHIGAN, A CORPORATION OF MICHIGAN. APPARATUS FOR PURIFYING LUBRICATING OIL. Application Illed Angust 9, 1924@ Serial No. 731@236. M inv6ntion relates to certain featiires 6f improvement and novelty in the construetion aiad maniiei 6f fLinctionin- of @,eparator trap@@ oi@ i@ectifiers, siieh as @re iised, for F? eximple, in ags6ciation with I internal-colu bii.,;tioii engines or motors to re@l,,tim or pi,ii-ify mix@tui-es@ of @,6seo.us'and liquid fluids drawn off from th@m6tor, and rifiecl in p sile,h tank or rectifier, the i@@claimed ftiel and 1() othor ,.,,ses and vapors floiNIiiig into the in9 ttil;.ce,-man.i.fold of t,@e motor for coiisiimption tllerc,,i,n and the s6para,ted a,nd ptirified lubric,,int being i-etiirned iiitermitteiitly to the li.ibricating system of the inotor. 15 This invelition pei,t,,ii-.ns more 'o,,trtic-Lilarly to tlie, mellins for b.eati.Tig the tai-ilc or a portioii thei,eof to aid in the vaporization or SI" f n of sonie of th 1 icati.o e in@@i-edients 6f the mi.xtiire and to the aiitomatic leontrol of the 20 action of the beatin g means -,vhereby to pi-event aii iinciiic rise in teliaper-,tture of the .IitbricaDt. -Anotliei@- fettui-e of the invel'ition @ resides ill ihe combination and cooperation of the 25 aiitornatic, 6ontrolli.-n(y means @,Nqth the other inst-i,imeiit,ilit'es of the applianee. To en:ibl those skilled in this Lrt to hti,e a full qncl complete iinder,@tanding of the iii.ve,iti6n both from structural and ftInC,10 tional sta@nclpoint , 9, in the accomptiiiyino@ di-aivin@,ys, formiiig a part, of this speo,ifie,,It,ion, a clegii,able and preferred en-ibodiment of the inventi6n has been illusti-ated in detail, ind itl-iroughout tlle several views of 3f, these I.ike reference ch,,tracters htive beeii@ ei-npl()y@d to designate the saine parts. In these arawings: Figtire I is a -Vert.ic,,tl central goetioii thT'o@i-h tli6 imptoved oil purifyiiig ,ip ap Figiii-e 2 is ,t horizonta.-I cross-.Section on, Iiiie 2-2 of Figiiie 1, the parts being viewecl in the direction indicatw-l bv the ,iri-o-""S; Ficiii-c 3 ig a similar er6s@-section 6ii line 4!-) 3--3 of Fi.otire 1. the plirts be.iiig vieived in the direction indicated by the ari-o-ws Fi(Itire 4 is -,i fragmentai,.),, verti ,il sectioii on line 4--4. of Fig. 3 thro;@@h the appliance ,in(i at rigbt angles to the plane of section 50 of Figiii-e 1, the fatter section bein@z indiccited bv Iiine 1-1 of this Figiii,e 4- 0 Fig Lire 5 is a fragmentar on on line 5-5 of Fi,,Illre 3 @fluld inlet for the separiting t Figtire 6 is an enlar(,e vertical section on line 6-6 o Re:ferring to thee draw ng d clivision-,vvall @c:,istino- 9il of sti a a e @p has fastened I-,o it b@@meaiis of s 22 1 @ 22, a I.o@ver cylinclri@r@l stor@toeent 60 sliell or c,asing 23, and, by mea screws 24, 24, aD upper., cylincli@ic,,tl, vaporizingch,,tmber casing or sliell 25, t]-ie t-",o. membe-r's 23 ,),ncl 9-5 forinii-ig C()iiiplementary par,ts or secti.ons of the separatin@@ tanlc. I 0. Upst"lnding from the downwqrdl),-dished 65 Its a@ whol oi- (.,oDcLved top siirfcice 9-C) of the'memb6l-l 21 -,tre i-,wo bog-,es '@)7 aticl 28 6f ti-le same WI-liel-l- SLI Ort beip,,b@t a cylindrical, @beetpp i-not,,,il eiip 29 with its iipright,l@ round ;wall 70 rriiisxed c6neentri@all)T wi.t a h and' spaced' inwlrdly away from ilie side -wall o, the upper shell 2@. the t6p ecl.ge of the part 29 torii-iinat,ing a distiiiee bel.o-w the top, slightII,-doined lop wall of siieh ghell, as is full 75 shfl-wn in Figtire 1. The fl,,it,@ro-Lind, bottom wall of the cup or t, ,C,(, apertii.recl in reo,@ist it recep , 29 i, er w h a tbreaded clivitN7 in the top of boss 27 and -,i se, Qti.rino, scre-@@ 31 fitted with ,i loclclwqsher 80 exterld@' throii,rh stich ape@t-Lire and coacts with, the threlicls of the rececs to hold the cup fixedly in position. Boss 9-8 li,,ts a partii"Y-threaded passage 32 exteiide(I throiigh it ,nd the mernber. 21, 85 forming aii air-digehgr@e port' from the lower storage compartment 317 into the iipper sepai,ating chamber .36 insicle,of the cupsha'p,ocl r@eeptacle 29 and a h6llow, sholilclered, tbi,eadecl sttnd-pipe e-,,.:h.%-tistmeinber 90 I 3,9) extends throup,,h a 1-ible in the bottom -wall o-@e the cup and coact-, with @tlie internal tbreads of port 32 to as-,ist in hol@lina the I zn parts i.n their correct as'senabled relation. B(,ss or Itig 28 @is @ ,Ils6 j-)rovided with an 95, oil.-port 34- in re,7ister ivitli a 'hole @3,5 in t@he bottom wal.1 of 'i;he cup, whereby the conte--qts of the 1,.itter ma. be dischaiged therey throtip,,h into the I.ower oil sfora(,e-comparti-nent 37 forined by the shell 23 as has been 100 tlready explained@ It is to be observed that the top of the

1,650,775 stand-i,)ipe 33 is some little clistai-tee above ti-ie botfoin wall of the cup or receptacle 29 Nvhei-eby the aii- aiid gases flowing - Lip-\,vardly tliei-eti-iroi,igh ivill iiot liater,fere Avitli the f i-ee .5 do-%viiiAai@d passage of tl-l liqllid Itibi!icaiit e through its ,tdji@ent oil-port 34. The shell 2@ of the lll)pei@, sep,,tratingch@imber 36 is eii,e@ised in a lieater-shell 38 hai,ing@aii,entr,iii@e 39 a,nd a clischarge 41 foi10 hot exh,,tust gases frona the motor ivith -\Yhich the appliance is used in orcler to gii,,e stich sep,iratiiig-chai-iiber adeqllate he,,t for distillation piii,poses. The iil)wirdly-arched tol) .-\,valls of the 15 t-kvo, nestecl, concentrically-,,qrrakged, cyliiidi,ical, sbell members 25 and 38@are @,.pei,tiii-ed. to receive a headed, holloiv bolt or conliection 4-2 ",hicli by its bottom fl.ange or sn-ir,,Il head sLipl@)orts a sheet-metal cup A-3 20 insicle of the companion ctip 29, ia,ith itg lo,"Ter @edge some distance above t-he bottom ivall Of the lar ge@, enclosiiig cup, the tii,o inter.fitti,ng cups eonstitllLing baii@iers aiid formincy a tort.uotis passage iliside of the 25 IloateCl s6l)ai-ating-chainber. A nut 44 on the externally-t-l-ireaded pat-t of the -fastener 42 holds the three element,-, 4-3, 25, ,Lnd 38, together iii the I relatioii described and ftill,@ @hown, ancl the mei-iibei- 42 30 cbnnects with a @ipe 45 conuiiunicatino, ivith n tb-e intal@e7maiiifold of the motor @ or -"Tith E-,liy other suitable means for prodtic'lncr .,, suction or gub-atmospheric pressiire in. the tatik. 35 Sueb siietion draws into the separatiiig or distilli.ng chamber 36 a fluid mixttire of gases, air aiid lubricating oil tbrougli a S-Liit@ able inlet port 46 in th@ division wall meiiiber.21 which, by means of appropri@ite pip40 ing@ is directly cODnected to some portion of tl-io lubricatin- system of the motor. ii-a r As is ind'. .@ed i@ Fio:ti e 1, member 21 has a clo w-nAvardly-openili@- air-inlet port 47 siipplied with a lateral extensioii 48 opeiling 45 through the side. o-L' pai-t 21 to the outer atmosphere, such port 47 beino- -norinally closed by a do-wnwardly-closino@ -.N,aive @49. The division wall also ]Aas anotiier port 51 tlieretliroligh controlled b), an upivardl3,- .50 clos,,ng valve 59- havi-,ig a'loose connection with o,, slidilig connection through a hole in the eiid portion of ,t two-metal or duplex thermostatic bar 53 Tastened,at its ot@l-ier encl by i-iie,,t-ns of a screw 54 on the top of a led,ye 55 55 constitutinly part of the division wall casu n, 21, th@'top end of the stem of i,@Llve 'i p 52 baiiii- ,i liead 56 larger in diameter ihar,the hoict@roLio-,h the thermostatic bai@ aiid hence limitidg thc@ descent of the valve, the 60 constriietioi-i being si-ich that, -vvheii the tliermostatic el,emenf--becomes heated by the oit after the latter is hot it flexes downwardly, thus j)ermittin(, the A7,tlve t deseen(-l and 0 open the DOrt, Yet if conditions are right, as 65 expla@@ned herein,,tfter, the valve may close by reasoii of upward suctiod action tlie-@7eon even though 1-inder heit the tl)e,-j-iiostatic bar is bent do-\,,,n A-,,hich Avould otlierwil@e ca-use tl-ie A,alve to be iii open positioi-i. T i@e-,tiltte the tompei@atti-,,o at vvhieli Clio 70 0 @n thern'lostatically-controlled valille: ivill opoil, @t screiv 57 is exteiided dowiiA-\,ai-cl.ly thi-oti(yli a liole@ in the bar 53 Liid@ thre,-,cle'd@ 1-ito q screiv-threacled cavity 58 in 2,1 -,itid b,,@- tween the top face of the latter ',Illd tlle 75 under face of the therilibstatic bar @l -3pring 59 is intei-posed encii-eling the sci-ell. The ttiri-iing o'l this ,tdjusti--a,ent screiv pii'L-s inol-e or less of ali oi-igi@.-ial oi- initj,.il beild oi, flexui-c in the b,,tr thus iii,6di-f3,iiio- tl).,e teiii- 80 perattires -,t iahich the va,IAe Aiill opeli -iiid close. A levei,.61 ftileruiiied at 62 on the iiiidellside of the divisioi-i -\Nall casting has t,,ii apei-- tu-re. accomm6dating the clepeiidillo' - sh,,,iik 85 or stem 63 of aii--%inlet valiTe 4-9 \-,,Iiicl-i iq equipped with com aratiATely widely spaced @,@,hotilclers 64 aiid 65 on ol)posite sl'cles of tli(, 1(,,ver, iihereby tlie movemeiits of the latter -Nvill transniit litmiuer blon@,s to the slio-Lilders 9 either to op(@i-i or close . the v,,Llve. Tiever 61 also has t. liole iccoi,.ii-iiod@iti-iiothe double-shoiildel-ed stem of al ,Ipwirdly-clos'ln'o-- air-escape val,,,e 67 co,-,cti-,i,,,r ii,itli i)ort 32 and in addil@-]'-on sliel-i levoi- h.-, , ,L hole rocei-%,ing tl-ie siiigle-sliotildei-ed 67a of an upivardly-clo incy v,.tlve 68 cooper.tting witli the oil-port 34, the cl oiistriietion beilig stich that ivlien tlie, leve,,,-- L-ocl@s iij)- wardly it positivel.17 closes the two poi-t-,, 3@), 10,0 -,nd 34 by their, valves aiid positiveiv opeis the air-inlet port 47, 48, by.its @,alve'49, biit wh6n the lever swings dowil it po .F,,i-tli-elv opens ti-ie air-discharge ort 32 and p closes air-inlet port 47, 4-8, biit t,lie 1),)rt, 14 may remaiii closed by i.ts IT,,tl@,e 68 so lonois the pneiimatie cond;tions i.n the tlqn@k reqLiii@e;,it. Al-iotl-ier oppos;.telv-ai-i-,tii@ed lever 'Ti is ,tlso fulei-uired ,it 612 and laterally I l@o irms oii the two levers al-e co,-inect-d togetlier by a pair,of coil, contractile sp,@-in,,4' 72 adtpted to pass by the@ f,,ilerum ,is tl@c levers are rocked -,ill @is is well u-ti,-Ierstood. to secure a quick snap action of th-, valv(, - opc,,,-- ating pai-ts. Lever 71 is limited as to, its rocl@in,,- iiiov,@.- ments by itieans of opposed shotildei-s ',73 -.ind 74 on the castiiig 21 and wliieli tl-ic extreme eiad of tl,.e lever overl,,Lps. 120 A linii: 75 onnectg lever 71 to rocl@-"117M c 11 76 hinaecl to the castin,- 21 -@t 77 si@,(,I-i being piATotally connected at '@8 @to ,i float 79 in the stora(yecoiiipartmeiit 37 ,in(I oneirelecl 125 by a coil guide-sprln,u 81. The bottom of shell 9-3 ancl its coiiip,.)i-IL-- ii-ieiit 37 is siipl)li.ed wit@h a pipe hing aii up i-,,ardly-elosing ball ebecic-i-alve 82 and such fittino, by a i)ipe,, not shown, is connected to the oil supply system or ot.@er pirt 130

1,650,775 o.f, the lublll&ltting sy@tem of the n-iotoi, in the space betweeii the, ivbereby when the@ ball-valve is open ti-le: oil tw shells, tl,,e exl-ialist ght iiot@ heat 0 gases ml in the con-i artment is delivered@ bacl@ to the up the I-)"tl,ts gufficieiitly i-apidly to he,,tt all ii'lotor, the ol)eninomovement 'of'the ball liquids pi-opei-ly befol@@ soiiie 'Would over1) beiiiglimite-I I)y th@ siipporting cross-piii 83. flo@i, -,niiTardl3, ii)to the cul) 29 tiid ,iccord- TO aiii- ii a substanti(.il sptice is provided I)elow IV]ien th(, inotor tnd the separating bei@ ,ir(@, cold, and t,be ilaotor is first 'llted, it:is i-iecessary tliit the liqtlidg of the mixtl,,ii-e of oil (.,I,@es i,apoi@s @qnd ai:r, dra)iti@ofv,, 10 fi-om tl)e i-notor aiid deliiered into the sep,,Ir,,ttina chamber should be retaine(I tliei-ei-@i a@ @,,Lifficient lengtli of time until adequ" Le lie,,it i.-, devel@oped aiid imparted thereto to vaporize or volatilize tlieii- gasifi,@ble or Is v,,tporizablo: constitiient5;, but i@@e structurg, shoiild be autoil'latically governed @@unC[ c6r,trolled so tb,,Lt excess heat will n.ot be imed on@ sucli liquids when @lle T)arts I-iive @,,Oillbeconie wcll heated unde'r The r-Linning ol-@ Accordii-igl@, the iiiotor i@,, fir,,,'L st,,trted the p,,ti@ts - Nilill I)e l@n tli(@ I)ogi tioiis shown iii tl-ie sever,,tl vieavs@ of the cl.r@i,ii,ings, vil-kes 51), and 49 being close(i aiid - valNTe,." 25 @Ind (18 bei!lg opcn. Ag tbe liqiiicls (Telli,ei@-ed iiii:o tl)e sepiratiiig (,h,,tiiiber throu,,@li the inlet 4@') t@tiey -t(Tii,iiiil,,i:te thoi-eiii aiid tlieii! toi-) lei-el ,ill)7 ascends in the aiiiitilatiietitiii,(, spac(@ 30 I)eiween the sl),@iced c)71indi-ictl iv,,tlls 61-' 'Lli(, p@ii,ts 29 tnd. 25@ Of coiirse tlte gases, Val)Oi,s @iii(I :ii.ioff tliroii(,,Ii tl@e pi.pe @4r5@ tliei,@! entraiii.-d liqi.ticls being expelle,.l tlieref,,-cil'i as tlicy ],)@iss 11-011nd ilie bencls of the eircuitoiis I.,,assao-c tl)i-oi@igli tlae sepallatiji(,- chadibei-, tl-t(-, -@l-alls of the pti!t,,, 29 aiid 43 coiistitutin 9 bay@ I i,iei.,s. Tlii,is we ai,e.@asstii.@ed that ,ill oil Nvli;ch 40 on,el@flows iiito tbc, C'iij) 29 ;ind tlieii pisses @loavi'l tili,otl(,h tlic,@ o,,-@eii I)oj-t 34 iiito the loi,,rei, st,oi-age-coiliparcil)(@Tit 3i li,,i,; beei-i I'@ill)je(@ted to ilde(ii.iate distiIlina lie,,i,t becati,,e it h,,i-, I)een coiiii)el@led to flow'@IOA@-1.)' til),-vaidly 45@ i.ii cont@ict wi.tll tlae ,v,-tll of- the sttri,oiin(ting liot (- xbaiigt-glis jl."cli:et. Tll,ls insiii@,es @tlia'u- ,ill oil h,,.t,,@ 1.)eeii fi-ced fi-om it.9 i,,tl)oii./al)le ?,iid gasifial@).Ie iii,Ollledients (iiie to its simtiltalleoti,, siit)jectioi-i 150 to lie,,.it aiid -,til)-atinosl-)hei-ic pi-essure. The oil aceiimulates iiA the iii,,tni-ici- specified iii tlie sl)ace iiidicated be(,,aiise th(,. ci-oss-8ection 6f the latter is i-niieli lai-aer tli,iti the cilibei, oi, arezi o-LI the ii-ilet-port 1(3 55, and the pi , ,issociated there'",ith; oi- statecl soinewlil.it peiffeieiitly, the stictioll 6i- subC, P,tiiiosl)liej.-ie I)ressiii-e i)-ceselit, is si:iffic,.ici-it t-o the cont-,tili'iiated ltit)i-icatin(- oil -",itli t@lie L),."ses tbi,oiioh the pil)e leadiiia to C)o t, t7 t, he separitiiig cliaiiil)er, biit in the I.atte-t-. 0117i]'10' to its o,i@eatei- ci,-oss s el-i.on, it is in) - - e stifficient t( @7 along the oil and,this thei-efore @ice-Lii-yitilates iii 4- ,lie -@vay stated. If, utpon startin,)- the cold motor, the oil 65 tn @vere perinitted to accumulate imiiiediately 20@ th(@, iiiotor. i (I ".Y the recei)t@icle 29 ind the lie,,tti-tig shell i)8 'tloli,ceomm(,dtte the lqi-iid-, di,aA-vi-i:'ofl' fr6:--i the iiioto,@ iin'L I' 'L the e-,h,,iiis"L (ra-,e- liaie lie,,,ted the jacii:et adequttely, ivhereiipoi-i the liquids 7.1 ac(,umulete and fill iip the heating space@ Thiis ive@ ai,e re,,isonably stire tlat no iii:iI)i,opei@l.y or in,@,,deqiiately beated oil can find its -%vav iiit6 the Cul) and f,@6m thell@e in'Lo the loii,,er- storl-Ige-coripartiyiel'l'u@ so As sooii as correct he,,)t conclitions liave 1.)eei-i ,tttained, and the n-iot6r Piid the sep,,iratint@ cliaribe,,@ lire p i,operly 1-ie,,tted, it ,iill I-to I ger L,e (lesirible to lieat the oi.1 in tlae clia. er as it Nvill be at adequate tem er- r) 5: p c) til I Ps witlidi-awn froli'l@ the w-otol.@, ind the 'clie-,,inostatic bir, lvllicll is i'L-self iiiimersed iji the oil ii-i the tanli:, beiid-, dos-,,ji-v,-ai'dly di-i(, to the lic@'t of tl-ie oil ajid i)eriilits val),e 52 t-o c)l)en iiiidei@ its oivii i@-ei'o-lit ,tnd th@,it of 90 'Lhe oil tb6v(, it, bitt @ it- is to"be rei-nembere(I @it this t-iine ai) eqiial stib-@itiii6splierle is pi-esolit i botl-i chaiiiber 36 @,ind n coiiip ai-tiaient 37, The be-,ited oil, I)uilific(.1 i@,iidor pai-tial v@letiliili biT distilliiig off the objectioi-iable cliliients, ,,radtially coilects or becomes stored iii coii,ipai!@Linent, 3'7, discharge v,,,I-ve 89, being (,Io@-,ecl tli(,, condition o--f the appai-attis, I)ecause of - the atmo,,@pl-ieric pi,es100 belo-,-,, it @iii(I tlio sub-atiiio hei-ic ])resstire @ab6-ve it. and wlieii the fl()at tliei-ein re@"ches a pi,edeteriiiined- point ii-i it-, asecil@t, it- causes the quiel@ closin@,T@of vlllves 67 and 68 @,nd the ol)eini.iig of vilne 49. 105 This oreites atinosplieric pi-esstit,e in conii@)artiii(,iit. 1)7, ivi(I-ioti,t int(-,,ri@-Liptila(' or t[p@-,ettiii(,,, the -,tib-atntogphei,ic pi,esstii,e iii ch,,iiuII)er 36 i-esi,ltin@(- in iralve P,2 cli-oppiii@,), to ol)ei-.i posi.tioii cli-ie t6 't-lie IN-ei-YI-it of th6 oil It( at)ove@ it and @to the baltinced @,itiiiosphei-,',C pre,,,stires 6i.i its tivo .3ides. it should be OI)Sel-ATed that vili,-e 52 inati.call closes under these concl.-.Iti(ils iT i.t y ivepe, pi-evioti.9ly I open@ diie to gi-ei,tei- 115 I)iieii.m@itic i)resstire beloii, it, olereoll-lino, the b.eacl of oil Ibove it even tliou,@,@li the th(,i,iiloI @)tati I c bir 53 is flexed to permit its openl'll(Y becalise of the looso oi- sliding coiiiiection between the val-ve anc, tlie bl'ill. 11,10 A,,@ tb.e oil level in coi--nptrtinei-it 3( de@c(,nds dtirlia@,T the oil discliai,@@e, the floit finally i-ea,clies a loiv liosil-,loii Avliet-c@ it actitates the sprin(y snip ineeliallisiii qtiiel@ly tgimii,ltaneotislv closino- i-al-@,(, 49 ol,)(,nin@- 125 ITalve 67 botli bv ha@i;iyier bloi-vs ol' the lover or ai-m 61. Oil-valves 68 and@ 52 rem,,tili closed, how-. ever o-,-,,iiio- to tliei.i--. 1,)ose colinectioins with the n-lembers 6@l ahd,53, respectivel -Lilitil 130 y@

1 650,775 reduced oi- subnormal ati-ii6spheric pressure is a,ain established in co-iiipai-tiiaei-it 37 due to t I lie stict;lon exerted tliereon tliroligh the iionv open air-delivei@y poi-t 32 @vhereiipon b6th i7alNes open bectuse of balaiieed piieii1- iiatic pi@essures on the".r olipos"t 'cles, asSul-iiiiig, of cotirse, that the thei-mostatic bar 53 is down-%vardly bent to porm@,lt s,,,,cb opeiiin(y of valve 5-9. All of the pai-ts al-e now iii the positions which theyoi@iginally occupied and tlle ,ppliance -\vill function in the i-uiaiiiier -\A,-ell unders'L-00d. Of cotirse, -Lipon the subseqLLeiit collection 15 of a stibsthntial bocll, of oi.1 iii the compai@tment 37, the pai-ts of the meeliin.isiii ivill I)e again operatecl ts described t6 6bLain its delivery bpL -k to the iiiotoi,. Man.@, miiior iiiechaiiical chaliges nial, be incorpoi-ated iii the apl)liance presentecl ivithor,t depai-ture froi-ii the iiii7eiition as defined@ by the appended claiiiis iiiOL Aiithoiit the s@,Lcrifice of any of its materi,,il acIA7antages. I