US1170416A - Carbureter. - Google Patents

Description

C. H. CLAUDEL.

(MHESURETER.Y

APnlcATioN mso Fs.e,1912.

SHEETS-SHEET l.'

famed Feb 'fc H. CLAUDEL.

'CARBURETER.

' -APPLICATIN FILED FEB.6, 1912.4 ilfl@ Mmmm Feb. 1, 916.

C. Hl CLAUDEL.

CARBURETER.

APPLICATION HLED FEB. 6i 1912.

` Lil 79,416.

CARLES HENRI CLAUDEL, F LVALLDISPEBRET, FRANCE.

mancuerna.

To au whom it may conoca Be 1t known that l, CHARLES HENRI CLAUDEL, a citizen of the Republic of .A France, residing at 4 1 Rue des Art-5 Levallois-Perret, Seine, `France7 have inventedv curve, in such a manner as toobtain a mixture of air and carburetantwhich under all conditions conforms to the most suitable proportions (which are substantially constantin the case of explosion motors). i

in the accompanying drawing: Figure l.

...is a diagrammatic section of an embodiment of kthe invention which is given by way of example.

Fig. 2 shows. in combination iaith a regulating plug., the' same device provided with a baliie .c'up to prevent'thecarbui-etant being discharged to the exterior l during stoppage. Fig. 3 represents the jet surmounted by an alr suction cage likewise in combination with a plug regulating the admission and the Carburation. Fig. 4 is a graphic representation of the variation of vacuum inside the jacket which is indicated merely diagrammatically.- Fig. 5 shows,A

' also by Way of example and diagrammatikey combined with the jet.

, reversed, the nozzle supplying tho spirit becally, the variations of the deliveries from the multiple orifices furnishing a total supply varying in accordance with a predetermined la'w, Figs. 6 and 7 illustrate by way of example a form of the orifices of a rotary Fig. 8 shows diagrammatically a modification in which the annular chamber is supplied with spirit partly directly from the spirit inlet and ,partly by the ii'itermediaryv of the low speed nozzle. Fig. 9 illustrates a complete method of carrying another modification into practice. Fig. 10 represents diagrammatically a modification in whichl the arrangement 1s A. ing arranged at the periphery and the baille theeir reaching it at the center.

chamber furnishing the mixture of air and carburetantbeing arranged at the middle, Fig. 1.1 illustrates a partiallyreversed arrangement; the"'nozzle furnishing the spirit is located 'at the middle but the air traverses the annular chamber from the. center to the periphery at the saine timen supplying the Epecication of Letters Patent.

'cause the Patented Feb. i, 1916. v llipplioatirm led February 8,- 1912. Serml No. $75,738.

cage of the low Vspeed orifice. Fig. 12 shows ,l

a tube L l(an external tube in the construe.

tion illustrated) in such a manner as to form a Jacket provided with perforations such as z and z" arranged 1n regions of did'erent ole-v grees of vacuum in such a manner as to create an air current in this jacket, one or more orifices such as o 402 o3 conducting the carburetant into the jacket at points all or some of which are located below lthe supply level L, and inderivation in the gaseous current referred to above in accordance with the invention described in Evenos French Patent No. 336434 -of the 20th October 1903 of which the present applicant is the inventor'and proprietor. y Under the influence of the suction a vacuum H is established in proximity to i (difthis zone and the atmospheric pressure acting upon the supply reservoir) while f 1s arranged 'at any suitable polnt (1n the con duit or outside) where the vacuum H2 is' less; consequently la vacuum H interme- 4ference between the pressure prevailing vin diate between H and H2 is established in the annular chamber c and consequently a. branch gaseous current y proceednng form to z' 'and into which the orifices o 02 og de'- liverunder the iniiuence of the-difference of.

levelfandof the vacuum H prevailing in the annular chamber. As a result the jets-A are subjected to degrees of vacuum which than H.

Qn stoppage it is obvious that the carburetant liquid would be discharged through theorifices under chargev (71.6. below the feed level) such as o3 into the conduit. In order to prevent this a cup d is provided as shown in the following figures, the upper Aare essentially variable 'and diderent bepressure is thus always greater edge of this cup slightlyexceeding the level I L and the jacket b2 is provided with an in verted tube b entering the cup d and formeA ing a baiiie. On stoppage the liquid enters the annular chamber c o through the oriiices and fills this chamber to the feeddevel During running on the other ,hand the chamber c c is empty ol liquicl anni the ein drawn through i follows' lie petti indicated by the firm eri'ows, esceione along the nozzle a in passing over the orifices o 02 o3 through which the ceiloui'etent or mixture fluid is,

spieyecl (arrows in broken lines)V the mitture is injected at z' into the columnof nii`clrz,iwn in; tlie liquid` is sprayed partly through the' oiiices, o 0z 03 lily `the :inten mediery of the branclicuiieut 1n the cham oer c end in part tlsougli the ciice o directly. lf H is the meen vacuum 1n tlnev annular chamber c; fb h2 bien the difu ference ci level with L; .s s 82 si. the sections of the oriiices, o 0 o2 03 .";\tlie ilelspec'tive partiel deliveries ,Q3 Q @f2 Q3 will be as follows: As regards o e function of (H-i) and es regards 0 02 o3 e sind consequently H ner' indicated cliagianmieticelly in Fig :toi

z, h 71.2 ha will have diferent signs according as L is above or below the respective oiilices. lf the suction ot tlie' `motor increases the vacuum H increases more, rapidly than H2 increases in the menexainple in which the ordinates i'epiesent the degrees ci? Vacuum enti tlie elocisszie the speeds et the motoi ci' the increasing; opertuies ci the ges throttle The deliveries tlniougli the ofiices o oo@ es then yeiy as indicated in 5 oiiexemple; will lie noted that these curves cen be veifiecl 'et will 2, 3 etc., :with the plug 'of e cock g, theod mission orifice 'e ancl discharge orifice c jot in selecting tile Vai-isoles i" h h il? in sncli e. nie/:meres to obtain the desire reieicleclliow (i'eleiively to what woulcl occur if ell .the oiices: opened (liiectly like o into the suction celumnlneces sei'y toi obteining' proper cerlumticn absolutely automatically L2 ecs ,to tlie motor enel provided. with e suitable or'm lof "tliiotle A yllt is particularly advantageous to combine it shown in lgs.

exactly tsj egeinsttlle euiece ofthe crice,

e of the plug trensinits to tlie spraying; crie tice o tue vacuum pieve-ling in the inteiioi of the plug; in the cosnt'iuctionillustrated e smallennulei'spece is leftbetween the tube T encleli'e nozzle endtlnvougli this soece the ein 'is drawn; in Fig. 3 the upper im'zto the jet with, orifice o enteis-tlie .post inthe plus; itself; in this seme ilgcieftlienppei part 'ci tliejet is elsoiepieeenteii as sureuncled ,This automatic get may be mounted4 on e conduit proceeding;

by e cage f exciting suction et ll et e above the plug enel opening at l. in the 1nterioi ci the plug. The enge f in Fig. 3 oi* the interval betiiieen the tube 'l and the jet c ci Fig. 2 serves to diminish the effect of en acceleration "ci" speedYV on the supply of cai'buretent delivered thiough the oriiice o this orifice 'ui'nishes va suitable supply at low speeds) and thus t prevent :in excess of ceilouretent et high speedsv since the flow of air enteiiu'iil;- by Way of l reduces the suction :it o. The cage in Fig. 3 might lne dispensed with without allecting the prin- .ciple of invention and the inter'vel loet'w'een 'l and win Fig. 2 might also loe dispensed with in which case T exactly tits the 'liet c or merely forms e continuation thereof.

The effect e'ltlie combination of the jet Witlitl'ie cock plug g is es follows: The

upper-part of the )et plays en exclusive oi" et ell events e preponcleietiugperl; on slov.1m ing eloefm thesis to sey when lthe plug closed oi" almost closed; in these conditions the vecuiim behind the plug is zero oi' Very Ysmal-ll while owing to the special ai'cencge- 'ment of the orifices of this lplug the vacuum in the interior lis still Very appreciable, Therefore the orifices o supply the `fuel chiefly when the motor is slowing-flown :incl cunning ,et lowspeecls, partiel tlii'otcling of the ges, While the' oriices/f 'which are feci tlii'ougli of, oZ .0. supply the fuel .more particularly when the motor is run-- ning at fullv speed, 'the fuel passing through the letter oiricee being yepoi'ize by the drew-n in et f7 vln Fig. 8, instead ci the supply oriiees ifoi the annuler cliemle c, such es tile oiitices o 02 f being perforetefi in the Wells ci the nozzle i end .supplied et the lewe? part oy-tliis nozzle, .they heie place tile -e'n'-l nulei' chamber vCliiectly in communication with the conduit which conducts oeioui'etent from the supply reservoira As ie gei'ds the cir inlet, which also supplies the ennuliim chembei', it may loe arranged' either et e point in the. interior of the suction cencluic for. the gases et, e zone 'Where the Vacuum is smaller than in proximity to the outlet z', or ezt-the enteric? et 21, or is shown inthe .ligure loctli et fend l. lt will ci course lee understood tliet this eii'egeinent (that is to say the oriices o"flii"ectly sup plying the annuler' clicmloer c 0) iiiey ce combinedwitli orifices such es o2 which 'scp ply it, :is lieciei by the intermediary oit' the nozzles. l

Fig. ll repi'esents another construction in' lilo.'

which, ee in. the preceding figure, the cliems enppliefl Witli ceiburetant 'ilirectly ev reservoir and Without .having pice-A viously to pese through the lower part of' wthe. nozzle a? which supplies the4 oi'iice o -emtei'nel to the' chamber c. `Oi'ices o protested by tile ltei' F enti arranged el; e

Asupply the ann y thischamber is traversed by an a1r current'v andere drawn in at e? and issuing at c'. Thenozzle .a2 isy thensu plied 'directly' through an orifice crin irectly through the annular chamber c',- c through one or more oriices j perforated in the wall ot' the nozzle a2 or both directly and indirectly through j andy" as shown. The vacuum H which prevails in thecbamber c', c" Aobviously depends uponvthe inlets i', outlets z', and upon the intermediate resistances' of the orifices il: in particular.- ln thev figure the orifice o external to the chamber c ,"o is surrounded by a cage through which suction is-'exerted at at the exterior,mil the relating plug g while the disehargetalres place at I in the interior ofthe plug. "Itis obvious that the arrangements/can be reversed Without departing from the principle of the invention. Figs. l0 and ll give examples of this,

In Fig-.'10 the arrangement is entirely the periphery in a double nozzle, that is"to say, 1u an annular )st .fwhile the cup portion through which the mixture of air andcarbure'tant passes is arranged lat the center of' this double nozzle. The direct nozzle isv sup# formed of two concentric tubes estat plied, for. example, directly through orificesl j and opening through orificesor through an annular slot 0 above the plane of charge L. The air is drawn in through a tube t either at the Iexterior at 'llor atfa point i inside the suction conduit;this tube is surrounded by a tube forming a bell or baille .b3 the upper part of which, together'with o4, formsfan annular slot or' orifice The .air enters through the tubeA t, circulates in the annularchamber c', c in the direction indicated by the arrows in carrying With it through the' orifices f the spirit 'of which are under charge,

,nozzle a, a? (orifices o2 f 7', is 4supplied. directly by l a through one or more orifices,

which place it in communication either directly with the vspirit inlet 0 or with the interior of the o3) the emulsioned mixture of air and carburetant then escapes Mechanical or automatic regulating members such' as a cock R canfbe provided on the tube t supplying the air.

In Fig. 1l vthe nozzle a, which directly supplies the'orice oprovided with aj .cage

reservoir: The passage of .the air in the y `annular chamber a', cfhere takes place from `the interior to the exterior,

inversely toftheiirst constructions repre# sented while the spirit enters at the center as in the first constructions; the arran ement is thereorepartially reversed. With thisobjt the vair drawn in either at z" orv the orifice or orifices j (as French Patent No. 418481 of reversed; the spirit is sprayed directly upon rwhich enters this chamber.

all or a part constant level.

that is to say at the exterior'at t', lpasses through the pas-.-

sa e u into the annular' space between the tube t-andthe nozzle a5. This air thus simultaneously supplies the top cage (the discharge orilices di which are marked l) .and the annular baille chamber c', c, (the discharge orifices of which are marked i); the spirit enters 'this chamber through the orifice 0.. i y

' In Fig.'12 the-orifice 0 of the' nozzle a is 'supplied from the constant level reservoir 'Y through a variable level receptacle o which is interposed vbetween them-and has its upper part subjected to the degree of vacuum existing at a predetermined point in the suc tion column, as for example at t', whence it will be readily Seen that the level of the l Y liquid fuel in this receptacle @will vary in accordancev vwith the vacuum at ln the example illustrated the liquid fuel enters the receptacle o through the orifice 0r orifices j and passesinto the nozzle e through specified in arrangement is rovided as in the construction shown in ig. The air entering at z" and, 'after is has become charged With spirit in the chamber c', cmirssuing through the orifices i. The spirit enters the annular chamber through one or more orifices such as o. Thismethod of supplying the nozzle a by the intermediary of a variaobledevel'receptacle, can of course be combined .with one or other of the various forms of jet described.

the 21st July 1910).l Around'the receptacle o the same' The orifices i may be regulated by means of a turning 4or sliding ring B" for example..

' (Fig. 3)I for varying the degrees of vacuum and consequently the suppliesv or liquid. The same applies tothe orifices c'f or or to both by `vmeans of a ring B.' In any casel. A carbureter comprisinganozzle discharging into the suction space, means for admitting liquid fuel `to said nozzle, a chamber associated with the nozzle and provided at a point of greater suction With an ori-l lice through Whichmixed air and uel arev dischargedI independently of said nozzle and at a` oint'ofless suction with an inlet orilice ortho' admission of air, and means for eans of a pin valve .n

plug approximately to the 'supplying fthe chamber with -liqu'id lfuelthrough an orifice distinct -from the air inlet orifice. v

2. Acarbureter comprising a nozzleqdisf charging into the suction l.space above the f constant supply level, means for admitting liquid fuel to said nozzle, and a'chamber associated with the nozzle and provided with a discharge orifice whichis independent of said nozzle and is located at a point of greater suction, with an air inlet orifice at a point of less suction,l and with a distinct orifice for admitting liquid fuel. to the chamber below the co-nstant supply level.

8. A carburetor comprising a nozzle discharging into the suction space abovethe constant supply level, means vfor supplymg said nozzlewith liquid fuel, and a concen-l tric tube associatedwith the nozzle to form a chamber, 'said chamber being provided' with anA orifice vthrough which mixed air and fuel are discharged independently said nozzle, with an air inlet .orifice located at a point of less suction, andwith an orifice dis-4 tinct from the air inlet orifice for/admitting liquid fuel below the constant supply level.

y Ll. A. carburetor comprising a-nozzle dis-,- charging into the suctionv space, means for supplying the nozzle with 'liquidffueh and a concentric tube associated with said nozv` zle to form aia-*annular chamber having an orifice through which mixedvair and fuel are discharged independently of said' nozzle and also having an air inlet orifice,` the nozzle being provided .with a-passage leading into said chambenindependently bit saidair inlet orifice and at a point below the con-v u 'stant supp-ly level.

,A ber.

5. .A carbureter comprising a nozzle discharging into the suction space, means for supplying lthe nozzle with liquid fuel, and a concentric tube associated with said n ozm` Hzlerto form an. annular chamber having a 'discharge orilice leadingtherefrom and disn tinct orifices .for 'the admission of 'airthereto, the lateral walls ofthe nozzle being`provided with a plurality of openings located at,

diierent heights below the constant supply level oradmitting liquid fuel vto. said chamcarbureter comprising a nozzle dis charging into the siiction Aspace and means for, supplying liquid fuel thereto, a chamber associated with the nozzle 'and provided with air inlet and vvdischarge orifices located `at points of diiertmt suction, means for ady mitting'liquid fuel to said chamber below the constant supply Ilevel and independently ci its air-inlet orifices, and a receptacle extending above the constant supply level for retaining the'fuel admitted to said chamber;

7. A; carbureter comprising adischarge nozzle andv means for supplying the sameA with liquid fuel, a concentric'tube associated with said nozzle toiiorm` a chamber.l having' van air inlet orifice and also having a discharge' orifice located in the suction lspace of the carbureter, distinct orifices for admitting liquid uel to 'said chamber below 'charging 'the constant supply level, and a tubular re` ceptacle concentric with said nozzle and said'receptacle having its top located above `tl1e`-constant supply level and its bottom loand extending into proximity to the'bottom.

of the cup lto 4form a bams, and means tor admitting "l'fqaixl fuel to said Anozzle and chamber.

. 9. A, carbureter comprising *a discharge nozzle and I'neans for-supplying the .same with liquid fuel, a concentric tube forming in connection'with Seid. nozzle a chamber having a discharge' orifice located in the suetion space andy also'havingan orifice forthe `chamber'xjto retain liquid. fuel inthe latter,

admissionl of `ain-means for. admitting' liquid.

fuel 4to'said chamber independently of its lair inlet oriiice'at a pointl below the constant supply level, as concentrio tube formi i receptacle to retain the liquid fuel, 'sai tube having its top locatedA above the constant supply level and its bottomA located below the air inlet /orificelengl to the chamber, and another concentric 'tube4 surrounding said receptacle and provided withl anI orilice for constant supply level, means-for supplying the nozzle withliquid fuel, concentric `tubes associated Awith'said nozzle to lprovide ar admitting -airfrom a region of diminished suction. v 10. `lipzrbureter comprising a nozzle dis nto the suction .space abovethd chamber containing baflles, said chamber air inlet orifice and-at its other extremity,

.being provided at one extremity with an with an orificeffordischarging the mixture .into the suction space, means for admittingyliquid -fuel 'to said chamber directly from the fuel supply at a pointv below the con stant supply level, and a passage providing communication betweenl the chamber Nand vthe nozzle below said air-inletorice.

"l1, A carburetor comprising .a .nozzle discharging intov the suction spacel above the constant supply level, concentric tubes formtremity' with an air inlet orifice and at the other extremity with an orifice for discharg ing the mixture intolthe suction space, said chamber being alsoprovided withan" independent orifice for admitting liquid` fuel .ing inconnection with said nozzle a chamber contami'ng baffles a-nd vprovided at onel eX-' below the constant supplylevel andwith an additional ,orificej providingl communication Y 'between the chamber' andjthe. nozzle' .below ,lac

israele,

thefa'ir-inlet orifice, and. a passage providing direct communication between the nozzle and the 'fuel supply for admitting liquid' fuel tosaid nozzle. l 12; A carbureter comprising a nozzle discharging into the suction' space above the constant supply level and'communicating at its lower 'portion with a variable-level receptacle for liquid fuel, said receptacle being open at its upper end and having an orifice for-admitting the liquid fuel below the constant supply level, and a chamber associated with said nozzle vand provided 'with a discharge orifice located 'at a point of greater suction, an air-inlet orifice located at a point of less suction, and a distinct orifice for admitting the liquid fuel thereto.

13. A carbureter comprising a nozzle, means forsupplyingl liquid fuel thereto, a. chamber associated with said nozzle and terminating below the upper end thereof, said chamber being provided with an air inlet and with a discharge orifice subjected to the vacuum in thesuction space, means for ad# mitting-liquid fuel to the chamber, and a cage surrounding the discharge orifice of --the nozzle above said chamber and having an air suction inlet at one extremity and V.a d1scharge orifice at its other extremity.

14. A carbureter comprising a nozzle, means for supplying liquid fuelr thereto, a chamber associated with said nozzle and provided with an air inlet and with an inlet 4for liquid fuel located below the supply level, and a cage surrounding the upper endv of the supply nozzle and communicating at its lower end with the suction space, and a discharge orifice leading from said chamber adjacent to the Ilower end of the fcage.

vac'idm the suction space,.means for ad# mltting liquid fuel' to the chamber, a cage .surrounding the discharge end ofthe nozzle Bt above said chamber and havinginlet andy dischargeorifices, and means for regulating 16; A carburetor comprising a nozzle and means for supplying liquid f'uel thereto, a chamber associated with the nozzle and terminating below the upper end thereof, the

chamber being provided with an air inlet and with a discharge orifice subjected to the ythe inlet orifices offs'aid chamber and cage. l

17. A carbureter comprising a nozzle hav ingta 'discharge orifice located above the-65 constant supply level, means forwadmitting liquid fuel to said nozzle, anda chamber' associated with the nozzle land provided with an air inlet orifice and with a discharge orice located respectively at poilits' of less 7.0

and greater suction, and 'also with adistinct oric'elocated below the constant supply level for admitting liquid fuel to said chamber, in combination with. moods-plug arranged to subject the discharge orifice of the nozzle to the suction existing in the inn terior of the passage through said plug. 18. A carbureter comprising a nozzle having a 'discharge orifice located above the cnstant supply level, means for admittingo liquid fuel to said nfozzleyand a chamber associated with the nozzle and provided with an air inlet orifice and with a discharge orifice located respectively at points of less and'pgreater suction, and also with a disn 85- tinct orifice located below the constant sup ply level for admitting liquid 'fuel to said chamber, in combination with a cock-plug having a passage in which the dischar e' orifice of said nozzle is located, the dis-90r charge orifice o'f said chamber outside' of said plug..

19. A carbureter comprising a nozzle havbeing located ing a discharge orifice surrounded by a cage, means for admitting liquid fuel to said nozn 96 zle, and a chamber associated with the nozzleand provided with an air inlet orifice and with adischarge orifice located. respectively at points ofless and greater suction,

and also with a distinct orifice located lie- 10u low the constant supply level for admitting liquid fuel to said chamber, in combination with a cock-plug having a passage in which the discharge orifice of said cage is f located,v the p ,joint of admission of air to saidflO cage and the "discharge orifice from' said chamber being located outside of vsaid plug. ln testimon whereof I aliixmy signature in presence o two witnesses.

CHARLES HENRI CLAUDEL.'- Witnesses:

GEORGES Puo'r'rn, H. C. Come.

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