US2145863A - Carburetor - Google Patents

Description

INVENTORS ANTHONY VELO ATTORNEY ALDO CURIONI 'fst extending a certain distance above top I8 and carrying a. 'rotatable valve member'2'I controlled through an arm 2B extending therefrom.

Said valve member is provided with openings 29 adapted to be set in register or out of register with ports 30 provided through the side of the upper end of pipe 24, said openings being provided for `the purpose of regulatingthe area of the air inlet; At some 'point vintermediate its length or preferably at .its lower end said pipe-- 24 is provided fwith a filtering wall made of iine mesh wire fabric. For instance, in the drawing,

the lower end of pipe 24 is shown luofmed`V-` withV a removable cap 3I,. thedisl:l portion of which is formed by alpiece ofwire lfabric '32,., The diameter of opening 33fpro'videdir1-thecenter of receptacle 3|l is greater than the diameter of pipe 24, so that an annular passage"34fwill be formed between the inner surface of opening l33 and the outer surface of pipe 24` The top of ansource of electriocurrent, for instancetthe,l battery` orjthe ignitions'ystemof .af motor car, and

being automatically vgoverned f. by any suitable thermostatic appliance :(notshown) :.whichmayv the; temperature of'f'. y

' Y )la singleagenagwhich 'is the bodyof warm water I 2', provides means for assisting the Vvaporization in its turn be` controlledby the water I 2 within chamber.; I;I f 1 -At some-pointjbelowffthe level ofthe body of water I2,'chamber `I,I` is preferably provided with filtering i and/or delaying elements, such pasy represented for instance by al filtering wall 4in consisting of fine mesh, wire fabric and,v battle plates 4 I, l,42.g Theyelementsfso farmentioned already constitute anV operativei organization embodying f thebasic inventive.ideay which-resides mainly. in e,

I usingthetemperature .of-the bodyjof `vvater I2 asv theagentfassisting the,.vaporl zation of the fuel,vat the-Sametime using said-water as the agent .for preheating the4 air going with said yfuel* e to form the explosive-mixture and Iorcharging said` air. withA Water vapor; incidentally also usf ing thewater as a means forfreeing'. theair,y of

:sopl

clust andotherimpurities. y Y

As Twill beL readily understood, assuming that there bean .openand continuous, connection bevtween outlet 20and` outlet Y2,3, lthe suctionpro-r duc'edl bytheengine .pistons through 'outlet 23 Twill ycause Vair to be `drawn within chamber III; "through, pipe 24,r said air being discharged within .i the body of'water I2 at the lower fend' of said pipeA and reachingthe upper part of chamber II by fbubbling through the body of waterand passing *through passages? I9-,f34. At the same time a sucltion-will lalso beproduced withinpipe 35` caus- 'e ing' ,fuel vapors"to :be'dischargedbyy said vpipe through! it will absorb and carry oi!V some of the y within the current of airst'reamingfthroughout- A' Iets 20, 23.

Since water :I2=is norri'ially maintained-rat a` relatively high Atemperature,the air` passing heat; (furthermore, the gasoline `.Within-chamber 1 I4 lwill also acquirethe `temperature 'of the water due-to the direct contact betweenf thebotton'i 1 I5 of lchamber I4 andsaid watenandwill thereyfore readily vaporize. [By virtue" ofthisarrangement, theair and fuel `strearr'is issuing tlfi'rough outlet 20 and pipeiwillbe in apreheated Qconditionv and 'will 'readily mix' to forman explosive mixture discharged through outlet '23." Furthery established.

jan' easyfregulaftionfoithe'fuel contents of the explosive mixture through the regulation of the temperature of the bodyv of water and through the control of .the amount of air admitted through valve 21. ture of the `water Vwill tend to produce a richer As a rule a higher temperamixturerduenotfonly to the fact that the evaporationjof thefuel vwill take place in a more energetic manner, but also to the fact that the air "f heated at` a higher temperature will have a higher 'viDQr saturation point.

It' will be observed that the air discharged within the body, of,` watermust pass through iiltering vwallMirandinust followv a sinuous passage defined by.the .'baiileplatesfM, 42, before it can issue .intothe space above the water, sothat said rair, is broken .upf-inf bubbleswhich altogetherV will have a largesurfaceof contact .withthesur-` rounding water ,andwill therefore more readily rvabsorbboth heat and'waterrvapor. Furthermore,

the air passing .through filtering wall-,40 andalso through 'a ltering wallsuch as 32,will. thereby f'be-f'reedofall foreignfmatter, which will eventuallylcollectgfat the;v bottom 'of chamber ILand above*illteringfwa'll"32.- It lis'vtherefore seen that of the fuel; producing'a preheated explosive mixture,` supplyingwatergvapor ,to said mixtureand purifying the air supplied to said. mixture.

The carburetor shown in the drawing includes certain Vother elements that We Willnow describe;

As will be Y readily understood, d some suitable means Amust 4be. provided in order tomaintain the nular oat 45,: having an outwardly extending bracket 46 vpivot'allyA mounted onv a rod41 extend- Ving across;` aperipherali segmental portion of l saidbrackeus is providedswithia mg 4a.,.wnicn Hupwardly extends to engage valve44 and which forcessaid valve toits closed vposition when the `fuel` 'withinlchamber I4 reaches its normal level, asshjowm `Wheny-through vaporizationl of the fueltits level within' chamber I4,` decreases,"the ifloat'l45'fwill 'graduallytilt downwardly, `causing lug-=481toretract thef needle valve, allowing some, newv fuel being admitted to"thechamberfrup` to such point j'when norm'alrlevelfwill have been re- In' view of the'fact 'thats particulanyrichvmixture 'should "be 'fmovided` wheny lthe "engine is started, under-'certain conditions itmay be. desirable to se'the carburetor described for the normal running oftheengine and 'to make special provisionsv lforjstarting, Conduit '2 I"r extending fromk outlet v20- isv provided for this speciic purpose." its', lateral vextension 22fforming Aa passage' forthe air and a.' pipe `4i!l leading from annular chamber' I 4i1to the' inside of conduit. 2'I. l. Said pipe; terminates ma [nozzle so; consuming'v the spraynozzle lfoi` the fuel when,` uponstarting, the explosive mixture is formed by causing a suction To begin with, the arrangementV Y 'Y We; provides,A chamber for holding the` fuel l." whichfis entirely-i. independent of, l and separate frcinlthe watch containingohaxnber.' We do this ^ofthe greater ease withwhich the respec- `ti'i'rejlevelsv oiftlie two, liquinsfcan lie maintained. 5 'j but it iswithinthecope of our invention to have vtl'ieyiiiel' greeting directly 'on top of-tlije witter,` so

Nthat the airiayhubble throughvboth the *water fand fuel.; the vsellar,ation? between-,fthe` two liquids )be `itgmatie'eilyeneetedbyvirtue oitn'eim- 1 erence n their yspeciiic'g'i"aviti'esl. 'l i i Y ",Ihefonstljuctional "details of 'the device ca'n n yfi'ox'ni shown without departingfroni the inventive'idet; the aj'rtwingjenquid"tiiereierebe j 'understood as beingtintendedfor illustrative pur- 15 pse'sfjonly'and ,not in a limiting sense. We ac 'eniinglyresem,thejtiglittocarvvour invention .im forged@ in 911th@ we ,end mhneslwhich .mvntrtwrlvcinwthe @clove vfihemended partiallylled th' witten having its upperpart water," abdy of liquidiuel` in a heat exchangrelatilftdsid water, and' an aircondiiit having r*it`sffinlet communicating, with, the Y` open air havingA itsgoutlet submerge'd; within said' u l 12g, n*aj,carburetor@ioifinterriitlvv combustion `engiries having a suction conduit', a receptacle partially iilled withwater. having `its upper part to said suction fconduit, n'iearisfforfheating said imiter;r4 a etilquid r iiiei (mja heat i exchangn .ingglrelatiofnrto saidyaterg/anair conduit having 1j its. "inlet,2coliiirillnieatingl2 with i the open iiir` and iits outlet; submerged withiri of. 0

tivaijieiff,l means for .regulating vthe areay oi the air'iniet;, l

`13 A."In ak carburetorfior linternal combustion engines having a" suctiong, conduit.. tty-receptacle watefff 'v provided ywith flan, inltlei; adapted ,for connection tof ysuction yi`:onii"uit. a co'n`tainel 4 having -.a i `nlled :with .liquid fvuel,4 v"fvithiii i said eceptacle'ifna positionlto absorb heat from ,-saidvten cntdner leavislair passanten u betxv'enllitfs slurfacefand the surfacer Aoffsaid ref ceptfacle and' the upper part of its lchainberilprovided with'aftubular outlet ymembery leadigngvtolsaid outlet, means for heating said water; and limair conduit having'itsinlet communicat u t ingwiththe open air and having its-outletsubmerged witninsaidvboayei witter.y d r y v 74..1Iri-jaV carburetor` for internals/combustion engines having a. suction i conduit, i a1 receptacle muy-.filled ,with :wmf yhvinirits, upper part eo fnrovidedfgwiihnoutlei adapted Pr connection iid md Alwtil" rwndlllt. a container having a l'elliaiiibeir :partially filled .with tliquid fuel, within .Y said vreceptacle infafpositionytoabsorb.heatf from Abetweenitil suriaoeand the surface of said rreceptacle andhaving theupper part ofits chamber provided Iwith, tubular outlet Y.iriembel' i keduiitQmdLwtktmw for hemos seid vtill;,"'foire 1 waterfanlllrondultfhvinsit inletwmmuni- 70 ouldbecollecte ,catinl with ,th'eopen `airandg having its outlet dfe iiingtl faulimeedwi'thin said body oi'waterffand means v, iqriiiteri'ngtlie air. tucked through esta ai; con'- K aviffingflur' dllitbfme WIM id Qltlit- Y' edthatfin the 'de,vice'jiilus-y` 15;; a carburetor for internal combustion u provided withfan outletad'apted .for connection Y imedfwiih water 'having its upper., mt

saiaf'watenzsaidicqntainer ieayingairipesmes 5v n .partially ymed with'avyaterghavingzits vunperpart.

" "provided with vanio'utlet'adaptedforconnection y f f to g said 1 suction `-;conduit, 'a' .container having Q a vmv zeer; provided with a tubular-tunen member fieading to" said". outlet,'. means 'Aforheatin'g .saidf- Water, 1 anfair conduit 'having' itsv inlet communicating' mmf thefoiien aan' :and fnavinguitsk outlet. sut-V .rne ed Within vsaid;b'ociyof Water, :and means for tingthea'rea.offtheairlinlet.l 16.131 a carburetor ffor"'internal v1combustion *engines having 'a1 suctionl conduit,v a receptacle 'fipartially'jlled v .With "water'havingfits upper ,part providedjwithjan outl'et adapted' fior vconnection chamber vps irtiallyfilled with liquidffuel,*within saidreceptac'le ina .position 'to iabsolrb heat *v fronij said VAWater, said lcontainer leaving fair pas- ',water, anair conduit'havingiitsr inlet communiregulating: the area' of* the air, inlet, 4and.' mean'sfor admitting air directlyto the space `withkinysaid;re-y ceptaclely above th'elevel of,the.Waterlthereinticon- ,zam-ed. f- A f partillylled with'wateljhavingeitsiupperfpart providedwith anjoutlet adapted'ffor:connection .i to said suction conduit; jelectrickmeans xforiheatf. ,Y

ing; said Water, a body Voflirquicl lfuel j inwa theat having .its 'inletfcommunicating with the V-open' air'. and having its outlet rsubmerged v.Witliin f-said `of` water, 'and means `foryregulating fthe 'ara'of the air inlet.'

' partially .fined4 withv ywater;having-itaupper :pa-rt wattena body of liquifdivfuel in a heatf'exchanging relation to saidi water, anair conduith'avingits inlet communicating Withthe-'openfair:andghav-.

ving-`its outlet ksubmerged "within said v'tbody @of water, an additional -air conduit `extending Ito 'said kfirst mentionedy outlet, kmeans' fiorv supply-` ingv liquid fuel'to said additional Lairy conduit,.jand

Y means for selectively rconnectingjsaidifirstzmentioned loutlet to the chamber :Withinx'said .ref ceptacle or 'to said additional air `conduit."`

. .9. `In a carburetor for internal''combustionen-v gines having, asuctionf conduit, fa :receptacl partially lled with v*watery having.'itszupperpartprosaid suctionjconduit,means jfor heating' )said kwater, a body ofliquid'fuel :in yaheat exchanging relation lto said* water; an fair .conduithavingfitsv f `inletcomm'unieating-with the openfain'andhaving l "itsoutletr submerged withinsaidibody -of water,

` "an additionalf air conduit f extendingto :said ffirs't f mentioned outlet, irneans,l for i supplying liquidfuel I to said additional airv conduit,"{means forselecttively connecting said `first `mentioned ioutlet eto' l" fditional vair conduit', and thermostatiomeansfeoni engines having .a suction conduit, a .receptacle to said'suction conduit, "a container Ihavin'g 11a' receptacl'e Y and @having the'.v upper" part .zioff .itsuV :chamber: provided lWith atubu1ar outlet v member leading tofslaidi'outlet, :means 'f orrheating said gating .with I the. openl air ang gnaving #its f'fo'uuet submergedxwithinsaid :body of watenmeansfffor n v "1. vIn ra carburetor for internal combustion LVengines ,having a suction conduit, ya receptacle exchanging relation gto said f Water, :ani airj'conduit engines havinga suction conduit; afrecentade provided with an' outletadapted .icr .connection tofsaid suction conduit," mea-ns "for eheating said Y *vided with an voutlet adapted fforiconnection tok `iIn, a:carburetorfforiinternalgconibust-ionfenonduit 4acontdneril'iaving:aaclianb Y liquid ffuei, mithin :said

f,reettaeieiiniaipfostmnftotatsorbheattfromisaid 4.Water said containergleaving zairgpassages ibethe :surface fof .a--sai'd ire-` 'ling (to said outlet, means for heatingzsaid mater,

anA fair fonauit shavirigaits .miei .eqnnnunieatmg ".Withfthe openair andhaving-itsfoutlet r-,submeiged Water, .and Ltherm'ostatic vmeans ,acont lied by )said 'awater adapted `to Shift f' connecting ameans lfronfi; one'fgofj,,itsr

vsaiidf'selecitif .'.joperativeipositions;to='thefnther.

IIIna arburetoi;l ortintern' Y z-gineshavingfaisuctionrc ,i reo'eptaclegparupoerzpartmrorrconnection to avi aicham'- liquid fuLj ...within :said

Aberfprqvified with, atubuia :ing zsaidoutletgfmean gan; fairconduitffhaving ytits inlet communicating .,Witnv the AOpen vair.aridiliaviri'gI itsfoutlet :submerged .withine saidbody. of water, -ian'l'additional:fair,Lc'on duitrextend'ingetosa" fi pipiextending fromsfsa y 'of :said 'additional .fai

f y"ceitm'rl loratol` said additional ffairfconduit.v

i12. #nfvafcarbure ifor;internalconibustionenineshavingaassucti ntconduit,farreceptacleiparsaidv s suction conduit zafscoritainer havingeaf, cham- ;Lber fp artiall-y nllejd with liguidfuel, ,Withinssaid receptacle Viin va position to -iabsorbheatfrom ifsaid .fing Ato :said i outlet, meansfjfor -h'eating'r said 9water, an air :conduit having 1its inlet .communicating .air.zconduitextenum said.nrso'meritioned-out- Jet;v a pipe fextendingffromgsaidfaeontainerto Lthe valve adapted fto :selec .mentioned outlet o -1th amber twithinffsaid -zvre- 1, ceptacle torito .Said

:additional air enduit, tand :a

ithermostatic x"de-vice :controlled Eby ithe'irtempera'- @ture g of :the dilater :actuating sai `13. Inra/carburetor iio'rein'tern i gines ,'havingjasuction enduit. tially illedn'rithwat vided with fan #outlet :said suction conduit valve,

.freceptacleparavingitsaupperpartgproontainerlhavinggachaml nel, hin said `greceptacle 1in: a'gpos'ition ito v"'alzisorbheatifrom said j iwater, l.said vcontainer ,fleaving air @passages ibexceptaclegparf ely connect .'-said "flrst,

f ndu'it'theaneekeridfnf' i V.saidjpipe aforrningtaffuel: sprayinozzlaciand;aivalve ,zaniadditional .7o adapted fior :connection vto vtween its surface-ganci i the suriace'gciy said re- ;oentacle `and having the ,upper ,Part votits chamf' berty providedfwith'a tubular outlet member lead-tl ng' to said outlet, means forjheating said water;V

' :5 @with the open air within said body offwaterr; and'means tor maine y' "ningthe'fuelwithin said containerat a pre-g determined any f. 1 f

f tially illled with waterhaviri'itsupperpart` pro-v" wberparnany mied Qreceptacle in a water,y said ,tween its surfacev the surface.. of i said `j recepf' container.

gines having a suction conduit, comprising a' re-n j jupper part lprovided with anV outlet adapted for' connection 'to said suction 4conduit;y means for- Vheating `"said Aivatei,k a body-,of @liquid fuel in a 7 heatexchanging Lrelationy to saidwaiter;v an "air c conduithavingg'its inlet communicating'I with the nectionv to vsaid. suction conduit,` and means for selectively connecting Fmi www# 1y L ceptacle partially n 'ingits upper part provided'with an outlet adaptfa'n] airconduit having its inlet'` communicating y and having "its outlet submerged "14. a carburetor ion internal combustion en- 'u gines having asuctionfconduit, a receptacle"par-Lv iftacle'and having 'thefipper'partfof its chamber provided withajtiibular" outlettmember leading l tosaid outlet, meansior'heating said water, an i ,""air .conduit having its inlet communicating with u 'weten-'therein contained; "and: means'for admitting airinthe.fuel` said 1L A15. A. carburetorl f for internal, combustion eri-v yoperi air and having its outlet submergedwithin saidbody of water; an additional ycarburetor ofj 1 the iuelspray nozzletype` alsojadaptedjior conf' said.` suctidu conduit 1 116.1Acarbu'reto'r ior internal combustion engines having a suction conduit, comprising a re'- filled with heated water, 4'havcd for'connection to said suction'conduit, fa body of liquid' fuel in a heat exchanging yrelation to saidwater. ianfair conduit having itsy inlet comv.municrating 'with the open air landl having its f outlet submerged within said body of water, an

additionalcarbureter of the fuel spray nozzle type also adapted forconnection to said suction conduit, andfthermostatically controlled means for l`vido'fiwitnim'ouuotaadapte@ for oonnkeotionto :i selotively'oonneonng .may suction conduit to i saidsuction'conduiha container having acham- L with liquid fuel, Within "said Y position to absorbheatfirom said 1 container leaving airLpassages; be-

either carburetor. y s y y U17.. In a carburetor ior internal combustion engines having'va suction conduitg'areceptacle partially filled with water, havingits upper-part provided with an outlet adapted `for connection toI said suction conduit.wa container having' a chamber partially nlled with liquid fuel and having a `vapor space above said fuel, also adapted v4for connection tosaid cor'xduit',V an air intake tube f having-its outlet submerged in said body of water,

Vandan air intake tube-having *its outlet suby,merged in saidbody of yliquid fuel.

` f 18. In a carburetor for internal combustion en tially' iilled with heated water having its upper part `providedwith an outlet adapted for connection to -said suction conduit. Va. container having 'ac chamber 'partially iilled with liquidiuel and `7v`ceptacle partially illed with water; having its having the upper' vpart of yits chamber provided with'an outlet also leading 1tosaid Asuction conduit,"said iuel'container being in a heat exchang- Qingrelationto the water contained in saidr re- 'gines having fa suctiony conduit, a receptacle par-

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