1)536,010 13 tlia ,,t the lubricator stops A)Toi-lKii-ig. Other ricat6rs are ,ittticlied to the e-vlinder i:ou-- h the mediu,ni of a long o,il pipe @vli@eli of t-eii'i@@coi'nes, -stoppecl up or clo(,-ed - Lil? @tiid tl-iis is liard to take doavn aiid cleaii. Witli lily Itibi@iev@,tor, all passages ai@e short alid therefore, caniiot become clog(yed i@ip --,o easily aiid even if they sho-Lild clo(r t, the Itibricator can be easily t,,iken apai-t and 10 cleaned. T claim 1. The coii:ibinatioii Avitli an tir coiiapressiiig cyliiider h,,ivino- a piston operating tlierein, of ai-i oil resei.,@oii-, haviiig separate itilet 1,5 and outlet passages, tile oiitlet 1:),,issage exteiidi.no, fi,oiii the bottoll, of the oil reserioiiiiito the cylinder aiid the iiilet p,@tssage extending froia-i the cylinder to the top of the oil reservoir, a cliecl;@ ialve disposed iii tlae 20 last natnecl passage permitting tl-ie iiilet of air biii-, pi-eveiiting tlie, olitlet of air, an adj-Listable i,alae for coiitrollin(,y the olitlet of oil throiigli the otitl.et passage and disl)osed eiitirely -witliiii the oil reservoir, and a min25 iiall.il operable vali,-e disposed bet-weeii the lilbricaiit reservoir and the cylinder and ,td.apted to close off botli. of sai(t i)ass,,io:es or opeii botli of said 1:)assages. 2. The combii-iation -Nvitli aii iir coliipressiiig cylindei, li,.ivi.ng a piston of iiieans for I-Libricating the sai-iie con-iprisinir a Itibricant ,t diict, leacling from the bottoiii tliel,eof iiito t lie coi-itpressiiig c3rlinder at tl-ie iiiiddle tliei,eof and htvii-ig asecoiicl 35 (ILiet leading froii-i the con-ipi-essing c),Iiilder at appi-oximate,1)7 the inicldle thereof into the i.ipper eiid of the li-ibricaiit resel-voir, an adjiistable valve for controllin(y the passage 0-.f oil tlli-ougl-i the first, nan-iecl cluct to the cvl40 in(.Ier a, check valve preventiii(, the retui-D of air fron-i the iipper end of the oil reservoir iiito the cvlindei- btit@ perniittilig, the ])assao-e of air iiito said reservoir, aiicl a ia,ianlially operable vali,e adapted to close off 45 both of sqid dlicts or to ol)en both of said d,Licts. 3@ The conibin,,ition -wi.tli a coinpressiiig cylinder, of me,,ins for lubricating the sanie con-iprising a valare base exteiidii-ig o-Lit 50 through t.lie iiiiddle of the compi-essing cvlinder, a lubricant reservoir i-nouiited the Oliter eiid of said base aiid extendin<),%rer,Licall), upAA,ard theref_-om and liaving an olitlet 1;6rt iii its bottom, the base being 55 formed Nvith ,t longitlidinally exteiiding cliict ha-,,ing a. contracted eiicl opei-iing info the cylinder and at i.ts opposite end 'iegistering ivith tlie port in the bottom of tlie reseri,oir, the sicle AA-all of t-he reserioir 1:)eii-ig formed 60 Ai,ith a longitlidinally extending Cluct Opeiiing iiito the Lij,)pei, encl of the i eseri-oii-, the I)ase bein(l, fornied ",itli a secoiid dtict ol)eiiiiig at one, end iiito the interior of the conipressing ei,liilclei- an(i at the othei@ eiid 65 i,egisterin@-T -Niitli said last n,,imed (Iiiet, @L clieck valve@ ip- tl e List inentioned clilet per iiii.tting the floav of air intc, the tipper end of the resei,voii@ btit the 6titfloii, of til- therefroiii, -Lnd aii adju@table val,i, e supl@ortocl Avithili the reservoir anil conti@olliii;g 70 the flow'of oil tliro-,igi-i the 6rt iii the botp toni there6f@ 4. I'he coiiibiiiation wit.1-i a coiiipi-essing c3,,Iinder, of means for lubric,,ttin(y tl-ie same - ipi@isiiig a i-ali-e base , con exteiidin; otit froi-it 75 the iiii(IcIle of the coiiipressing C3TIinder, ,t, lubiicaiit resera-oir iiiotii-ited iipon the outer eiid 6f said base and extendiilg ierticallv itpwar d tlierefrom aiid.-tiaving an outlet port in its bottoyll, the base beino- foi-i-ne(I Ai,itli a 80 loiioitiidiiially ext.endiiig cluct bal-ing ',I contr@'le @'ted end ol,,eniiig into the eylilider and at its opposite en(I registei@iiig Ai-,itli the port in the bottoii-i of tjie reservoir, the side wall of the resei-voir being formed @vitli a, loilgitli- 85 dinally extending diiet ol)eniiig into tl-ie iippei @ eiid of the i-eservoir, the base beill(r foriiie d ivitl-i a second dtict opeiiil'lg at one end into the interior of the coii-ipressii-ig cyl.- inclei @ aiid at the other end registering with 00 said last ii,,tn-ied duct, a clieck vllve in the u last meittioned cl et pei-iiiittin@-Y the flo-w, of @iir into the ul)pei, end of the i-eservoir btit prei,- eiitiiig the otitfloiv of air thei-efroin, an adjiist able -%,alve supported ivithin the reser- 95 voir aiid controlling the flo-W of oil thro-Ligli the I)ort ii-i the bottom thel.,eof, ineans foll etittin @-Y off oi- allo)-,vin(y the flo-w of air and oil tlii@otigh tlle, i)a-,s,,tg-es l'orn-ied in saicl base @ilicl con-ipi-isin(,@-a tip-ei-ed v(ilire intersectin(, 100 said )assao-es the - sfali,e elono; ated I recess es Lil[)oi-i ol,)posite faces adal)tecl to iecister ",itli said 1),,i..ssages Ai-heii the vali@e is ttii-iied into one position, Ilicl resilient means for urging s,,ticl v-,ilve to its seat. 105 5. As aii ai,-ticle of i-tianufictiire, a liibricator of the cliaracter describecl coiaip@-ising ,t I)ase screiv-tl-ireided at one (,nd for insertioii iii tl-le article to be liil-)ric,,ited, the opposite end of the bise liavii-ig an interiorly 11 screA i,-thre,,ided recess on one face, a passage exten clinu iongitiididally throLi_Oi the base and openilig tipon said recess, a second passage extending longittidinally tlirotigh the base and eiil,,tr ed at its oittei.- ciid ,ii@d theii 115 9 exten cliiio- -Lip-wardl to the face of the base y exteri or to saicl recess, I valve e@xtendin(y throu( Yh the base and intersecting said pts-@ s,,iges aiid aclal,)te(I to be shifted in one direetioii to close said I-)assag-es or in tl@te otlier 120 directi on. to open slid passages, a el-iecli@ iali,e moLinted in the eiilarged I)ortion of the second ii,,tmed passige and prei,-enting i-etlirn flo", tlirou,-Ii stid pass@ige. I Itibricant resei,- voir liavincr an exteriorlv s@rew-thretded h-Lib 125 engag ed in saicl recess, the Iiiib beiiig formed Avith a seat tnd a I)ort leading therefroiri and adLT)ted to register i@,ith the first naiiiecl pa,- sage iii the base, a ttib-Lilai- suppol,tiii(r memb er extencliiig iip-",ard froii-i the I)ase of I' .0

A 1,536,010 tl-ie reseri,oir ,Lnd interiorly screw-tlireaded and liai,ing opeiiings at its lo-wer end, a iieedle i7alve engagiiig the tlireading iii said iiieinber and conti,olling passage tl-irougli said ]3ort, one ivall of the reservoir 1-iaviiig 11, verti(@all3r extending poi-t openinointo the top of the i-eservoir and ivith -whicli the upivardly exteilcling poi,tion of the secoild named passa--e is Idal)ted to register, and a detael-iable c@'ver for the reservoir. 10 In testimony whereof I here-Linto Iffix my si(,Ynature. JOHN 0. JOII'-,\'SON.

1 , 5 3 6 , 0 1 0 Patented Apr. 28, 1925. UNITED STATES PATENT OFFICE, JOHN 0. JOHNSON, OF NAKINA, ONTAF,10, CANADA. LUBRICATOR. Applicatioii filed Atigiist 6, 1923. Serial ZTo. 65ra@,118. Ylo (/II tvho97?1 it gitay eoiteern: Be it, l@iioiA7n that I JOHN 0 - Joi-ixSONI ,t stibject of the KiiiLgof SAA,ecl6n, resiclilig in Nakiiia, Proi,ince of Ontai-io, in the Domiiiion of Caliacla, liave iliveiitecl (@@rtItin new aiicl -Liseftil Impi-ove@i-i6nts iii Lu,bric,,ttors, of -",Ilicll the folloiiiljg is -L specific,,itioll i-efel-ence beiiig li,,tcl to the ,Lccompany .iiag (IraAi,iiigs. 10 This jiivel'itioii relites t-o I-Lil)ricators, aiiclparticularl)T t6 iiieaiis for Iiibricatiiig the ai@r inlet ciid of an ai.r coiiipressor slich ,ts is Lised oli loc6inotiv6s. The goi-ieral object of the iiivention is t6 15 provide ,I lubricator of this clitracter in -\vliieh the lubricant )vill be forced into 'ulie (!Olll )I,essillg cylinder upon eacli strol@o of the piston t,liereo-f ,ii-icl iii ivliieh sol'ile 6f the @oiiipressecl air witl,.iii-i the coll'lpi@essing 20 inder be forced ilito the IiibriCaDt COI'Itainino, el-iaiiiber and force lubriciiit out tlierefrbi-ii iiito the cyliiider. A flirtlier object i.s to provide t coi-istrtiction of this cliaracter -"-hiell is coiiiiected to 25 ttie con-ipressing cyliiidei- ii-iicli@,ay bet-weeii its eiids, tti,,it is ini@IIA"ly of tll.e sti-oke of the 1)istoii tliereof, so that - Lipon the iiiivard stroke of the piston tl-ie air coiiipressecl beIiind the piston -",ill be fot',ced into the lubri3o c,.ii-it contiiiier to tl-ioreby coilil:)ress the ,tir ill there ancl theii as the pist6n passes the oiitlc,t 4@voin tl-ie I-Libricit6r the coinpi-essed ,,tir ivitliin tlio chamber will force 'ulie lubriC,(Illt olit into the iiilet e@ad o' tl e c er L .1 ylincl w FigL ire 2 is L sectioii oi@ the line. 2-9- o@f Figtli-e 1; FA ig-ti@e 3 is a sectioii bii the line 3--3 of illio@ ure I.; 55 @ r,,eferrliio- to these cli-awiiigs, 10 desio-i-iates tl-io Lir coiiipresSil-Ig CA71indei- of a locoli'lotii7e eii(TineExteiidii-i'@, from the air coii-ipressing), cyliiidet- is L, base 11 wliieli is ekteri orlv screw,-threacled, as a,t 19-, to en- 00 ga e ,Ln otitivardly e,.xtenililio- nipple 13 oil 9 t7l tl-ie coiiipressor aiid at its outer eiid this b,.ise has a horiz6iital face upon which 'tlie oil reservoir or (,oiitainer 14 is mountecl. This coiitainer tt its 10-@ver eiid lias ,L screw- 45 tliread ed htil-) li@) which eiio-ao-es in an interioi @ly screw-tlireaded recess in the base 11. TI-iis hub 15 lias a port 16 which tipw,,irdlv flii-es to forill a, v@ilve seat 17. The base 11 is formed witli a 16iigitudiiiall.)r extenctilig 70 p@ass age 18 whicli at its outer en(I I'S LipAvtrdlv extencled to aligii AA'itll the port 16 -wlieii the lubric,,int coiitaiiier is in place. The outer eii(I o-f this passao-e 18 is coiitracted , is at 19. 75 Exte -,idin(- up",ard fi-oiii the bottom of the coii.tai ner or reserioir 14: is -,t t-LibLilar iiiemI)er 20 wi-iieh is iliterioi-I)r screw-tlireaded an(-,I )vl-iieh it i@us loaver en(f is I)roAided -NATith two or more ertures 21 wliieli are coii-i- so cjdciit )Yith @tlie loiyer eiid of tl-ie oil coiitainer -or reservoir. Haviiig cligageiiient Avitli. the iiiterior screav-tlirea'cls of the lileiiiber 20 is t, iieedle vi,lve 22, the lower end of iil-iieli is tapered -,iiid adt pted to fit tightlv 85 -" I ii 1 35 i, d this lubricaitt ill be takeii up by tlle ao-aiiist tlic, ceit 17 TI e the iieedle V,,tlve is ii -icl iiill tl-ilis be distribiite w zn air ai cl itlii@ the scren@,ed d6-%vll. This iieedle valve controls (@y]@ilicier. tile f-to-w of oil or 6tlier ILibrie,,tiit frolia the -k still f Lirther object is to provide t conreservoir. strLicti6n of this ch,,tracter AT%,Iierein tl-ie IiibriOne.-wall of the contaiiier 14 is tliiekenecl 90 40 cltiit chaiiiber iiiiy be readily etit ofr froiii tlld foriiied ivith ,t vertictill exteiiding pasy e conipressing sage 23, tl-iis assage at its -Lipper eiid@ betli @,liiicler ii,i@c-never clesired p r c ,ind wlie ein there is ali adjustable ATtli,e ing iii)i-ardl)r tirved ,tlad opeiiing into the controlling the flow of lubrlc,,ilit to the cyliiiiipper encl of t,li,e contailler 14. The lower der. ciid of the 1)@iss,,igc@ 23, -Nvl-ion the coiitiiiier 95 45 Otliei- objects will ippear iii tl-ic colirse of is iiiolil-ited upon tlae base, i-egisters witli t 11. I)assa o-e 24 ivhicli- f orii-is , the folloaiing desci-iptio t. coi-itinuation of Aiv iiivontioii is illtistrated ill the ti-ie il@assa(-e 23 aiid intersects a loiigitudipaiii@ing dranvil@g.s Nvl-iei-ein:- "IIing passa 9@5 whicli exteiicls -x'e -e 1. is a sectional vie -ii3, b,,ise, ai,.id opeiis 100 Figtii Av throiigli 1 lill-L iroti t,,o itll( t api3lied to t lel iiiipr6,-%recl litbrica.tor. showing i at tlie eiici eof remotc, Lrolli the pist -ider of tii-i air compressor; ,,,e cylii sage 24.

1,536,010 i@-t the intersection of the pass',Iges 24 alid 25, the passa(ye 25 is enlarge(I to foriii ,t, valve cliainbe@26 liavilig t seat 2'@, ai-id disposed witliin @his valve el-iaiiiber and beariiig agaiiist this seat is ,t ball 28 -wl-iieh is Lirged to@ its closed positioli by ,L spi-iii29, and a plug 10)0 is screwed iiato tl-ie eiid ol' the base 11 to liold tl-ie spriiig aiid ball 28 iii plae(, and permi@ the i.nsertion of the spril-i-- 10 and ball. A cover 31 is adapted to @Te scren\,ed upoli the upper end of the coiitaiiier 141 this cover beiiio- lield froiii loss I)y iiieaiis of a cliaiii. By removing tl-iis cover, the cli(imber 14 may be filled -with oil. 15 Intei-see,tiii(y tl-ie base 11 i.s a rotatat)le v,tlve or cock 31-) wli@ieli is tftpered aiid fl.ts, of colirqe, ivithiii the tapered boi-e. Oi-ie en(-l of tiiis v,,tlvo, 32 is pro-vicled -\ititli a li,,tndle 33 ancl the opposite elid is reducecl to 20 forii-i a spiiidle 34 wliieh exteiids thi@o-,,iyli the eiicl wall of the valve Tlio spindle 34 extends tliroiio@li tli(?@ eiid -\iall, is before remarl@ed, ai-icl siii-rotiiidiii,- the s])lndle and bearin(, a(,aii-ist this eiicl ivall is i '5 coiled sprii-i(,- 3@-) aiicl eii(- Yiyiii(, the sl)incll(,. is ,t niit 36 a,(,--ainst @vhieli the outei@ eii(I of the coile(I spriiig bears. This coiled spriii(y, of coul-sa, )vi.11 ,),et to -Lir(To the i,ali-e 32 iii ,t (lirectioii to l@eep it upoii its seat ea-eii P,O if the niit 36 sliotild becoii-ie loosciaccl. The approxiii-iately c,171iiidi-ical N7,IlVe 3 ") is formecl Avitli t",o oppositelv disposecl. taii(rei-itiallIT exteiicling cut a-\@ai7 poi@t,io,-is 3t' constittitiii(y ducts, aiid the @alve 32 is of 35 stiell diameter that -",Iieii. the valve is t-ui@iied to the positioii slio-wn in Figure 1, tlies(, di-icts 3@ iiill ali-ii -witli and form I)art of the passa"es IS and 25 so tliat the ilo-\v of ,iir ancl oil ",Ill iiot be impecl(,,d. 117heii the 40 vtlve is tiirnecl at riglit aiigles to the I)osition slioivn in Fi-l-iii-e 1, lioivei7er, it n-ill eiit off botli tlio flo)v of -,)ii- ai-id cf oil. This is ttirlied to this positioii ii) orclei@ to periiiit the cover 31 to L-e remoi-e(I aii(I the 45 14 filled Aiith oil or other Itibricaiit. The operatioii of this ineeliaiiisiii is as follo-ws: The Iiibricitor is to be scre,)vecl ]"to the eiliiider wall of the compi-ession 50 cylind@r 1-0 about lialf ivi,y betiveeii its u]-)])er and lower lieads. Uil@ler tliese ciicumst,iiiees ivheii the coi-iipressiiio; pistoii ii-iali:(,,s its iipii-ar(--l strol@@e, coiiil)resse(I air N,@-ill p,,tss tlirou,-Ii passa(,,e 25, open v,,ilve 28 a(,@aiiist 55 tlle I etion of sprii-icr 9-9. ,tiid pass oTi into the tol) of tli(,, oil i-eservoir to tlius create a presstire oi-i tl-te oil.. Air Niill ,ilso, o'@ coiir,se, I)ass throiigli. the poi@t ',9 an(i i-tito tl-ie passa(re 18 aiicl so iip iiito the port 16 blit 60 ther6 ",ill be a relatively small qtiaiitit)' of air tliiis dc,,Ii,17C@i-ed cliie to tli(, res'Lli-icte(I o,,)oniiig 19. This air. inasmliel-i as it i-ill ]3e heated bv coii-i,,)ression, will t(,ncl to l@eep tl-ie oil ",ariii. tl-ie I)istoii lias coi-til)lc@t(,d 55 tll(, fil,-st-, II-,tlf of its iiplytl.d sti-ol@e aiicl lias passecl the port 19, there is only atliiosphoric pressure bei-ieath the pistoil. The ball 28 ivill tliell be, urged to its seat aild cut off the escape of air tlrouo@li passao;e 23 aiid the pressure that lias aceiiiiiiilated oji top 1-0 of tiae oil in t'iie i-eservoir -",ill foi-ce the oil past the regulatlil(r -%rall-e 22 into poi-t IC) aiicl tlieiiee to the cylilider aiid the inrusli of iir throiigli tlio receivin- i,ali,es of tl pressor will teiid to distriblite the oillnevictohlinl-l 75 the cvliiider. Slioiild there be a sli,,(,Ylit leali, past tlic, pistoii of the coiiipressoi- iiito the loin-er end.s of the cylinder, tie press-Lil-e aeciiii-iulate(I above the oil iii tlie. lubric,,ttoi.- el-iaiiibei, 14 -will oi-ercoiiie the pressure iii 80 the cylii-ider -,iiid tlio, lul)ricator NNill coiltintie to operate. 'rlie effect )-vill be the saiiie on the retun-i stroIT-c of tl-ie con-ipressol@ i)istoii. M-iile I liave illiistrated a coiistructioii 85 iiliie-li I believe to be partictilarly effectii,e, ivhic@l-i is relativel3T coiiip,,tct, clicip to iiitke -tiid 1-ias I)een founcl to operate properllv, I do i-iot )-visli to be Iii-Y)ited to the exact det-,tils of tl)is consti.-uction -is it is obi,i(,iis 90 tli,,tt niaiiy cliaiig(,s n-iiglit be inade tlierein ivitlioiit depai.tiiig fi-om the sl)irit of tlle ini-eiitioi-i as cleriied in the appeiidecl claiii-is. -.\I)T Iiibricitoi- -will ivorl@: satisfactorily if applie(I to tny c.1,1!nder I)orfoi@min(r diities 9-5 siii-ii.lar to the c- @Iiii(ler of a locoii-totii,e air conipressor, the air cylincler is exposed to I)ressLire fli-st oi-i one side of tl-ie 1)istoii ,trcl tliei-i oi-i the other, so that ii-lien the piston is ,Tp the pre,-,stire is (,,n 100 tol) o'L the piston -,incl inei-eases iiiitil tl-ic pistoii ],,is re-.clied the eld of its stroke, aiid iviier), the p-Lston is moving do",n tle pressui-e is iindel- the pistoli ,,,.-icl iiiereases as the piston is iiiovin, doivn tijitil it reiel-ies tl-ie 10.5 en(-'[ of its stroke,, oi- ii-l-iei,e tl-ie I-Lil)rieator is tl)pli(@cl '(-Io tlio, steain cliest of steaii-i engiiie iiliere tlie pi-essill.@e is consta-nt, the presslir(, -ki,ill be i-icarl- ,), eqiializecl at botli top aiid I)ottom o:,@ the oil tl-ic -weiglit of the oil 110 )Yill alloi,,, it to fe(@cl properly. T-lo-Nvever, the p,,iiicipal idea o-F m),- ii-i-%,eiition is to p,.!oi-i('Le a Iiibricator that ivill properly distribiite the Iiibricant to all parts of the aiicyliiidc-rs of locomotive aiicompre,ssors ai-i(I I by adiiiittino- ,Iir to tlle CiTlinder at- botli tll,iip in(-l do,,-iln stroli@(,, this ltil)ricator will ftilfill its particulai-1)7 illasiiiiieli as a I-Libricator for locomotive air comI-)i-essors slioiild be of silial s z in orcler 20 t-liat it iiia), I)c prop(,,rly applied. I am a\var(,. tl-iat tliert,, ,tre several Itibricators ii-i iis(, for aii.- cojii.pressoi,,--, of this t-%Tp(@, sol]- lo foi.- b,,ii-id oilin(-y aiid also for ,i'iito'mitic o;li@,i(r, biit as all the oilers kiiown to ii-te ar-@ attaelie(I to tlie top hetcl of thc, (,ylinder. the cvlii-ider receives oil in one clirectioi-i, tl-iat is on the do-",n stroke onlv, aiid if the I)istoii are 1(,,aky. 'I pressiii@e is I)iiilt -Lil) oii tol.) tl-ie pi-,ton S( (,Treat 130