US848425A - Carbureter for gasolene-engines. - Google Patents

Description

No. 848,425. PATENTED MAR. 26, 1907.

L. ANDERSON. GARBURETER FOR GASOLBNE ENGINES APPLICATION FILED AUG. 13, 1906.

2 SHEETS-SHEET 1.

PATENTED MAR. 26, 1907.

L. ANDERSON. GARBURETER FOR GASOLENE ENGINES.

APPLICATION FILED AUG. 13, 1906.

2 SHEETS-SHEET 2.

LAURITZ ANDERSON, on QUINCY, ILLINOIS.

Specification of Letters Patent. Application filed August 13,;1906. Serial No. 330,426.

CARBURETER FOR GASOLENE-ENGINES'Q I Patented March 26,1907;

- To (all wlwm it may concern:

Be it known that I, LA'unrrz ANDERson, a

citizen of the United States, and a resident of Quincy, inlthe county of Adams and State of Illinois, have invented certain new and use ful Improvements in Carburetors foiGiisolenc-Engines, of which the following, when taken in connection with tl 1c drawings accompanying and forming; apart hereof, is a full and com lets-description, sufficient to enable those ski led in the art to which it pertains to understand, make, and use the same.

This invention relates to earburetersoi the valve t e in contradistinction to those rovided with afloat. v

The object of this invent ion-is to obtain a carburetor by means of whichthe relative andv actualquantity or I volume of air and gasolene vapor supplied to the engine ormo: tor to which it is attached may be mechanic.- ally controlled to produce an explosive compound wherein the combustion will be practically complete, whether such engine or motor be run at high or low speed and under a light or lie-av load. r

A further ob ect of the niventlon is to obtam a carbureter of the"character named. which when used on a marine engine will ob-. tam immediate sto )pmg of the same when such carbureter is c oscd. a

In the drawings referredto as illustrating a construction embodying this invention, Fig ure 1 is it top 'view of the earbureter. Fig. 2 is a vertical sectional view of the carburetor, and Fig. 3 is-a bottom view of the carburetor. Fig. 41s a bottom view of the vertical cylinder of casin A of the carburetor with the,

movable dis thereof removed therefrom to show the stationary perforated-air-disk of 4 j tionary (LIP-(113k of the apparatus. .F1g 6-1s the apparatus. Fig} 5 is a view of the staa-view of the movableair-disk of the ap aratus; Fi 7 is-a bottom plan view 0 a movab le-liever "and of the inclinedtable,

thereon; and"Fig.'8?i s a rear. elevation of the movable lever and inclined table on the un der side th ereof ,-fonning apart of the appa: ratus.

. A .refereneedetter {applied to desi 'nate a given is used to indicate sue part throng qutthe several figilres-of thedrawlngs wherever the same a )pears; H r

In Fig. 3 broken lines indicate the several parts opened to their fullest extent, and the B is the gasoleneeinlet of the carburcter.

tlon.

full lines ilh'istrate ,such part in a closed posi A is the shell or casing of the carbureter,

and a is the removable top of the casing. Casing Ais provided with screw-threads at the discharge end of the air-discharge assage from the carburetor, by means of w ichv the casing is attached to th'e'pipe commune eating with the-inlet porter ports of a gasolene-enginej C is the main chamber in easing A, andC-C is an auxiliary chamber forining'a-passa e-.:

chalnber'C and -1s hereinafter referred to as v u Y the alrpassage-way D is a nee'dle valveicoaeting its valve-- seat to control the admission of gasolene to ,inlet B. Needle-valve D is provided: with .wayfrom the-air-ihlet of the'earbureterto t e 7 screw-threads on the stem (1 thereof and-with,

the handle E, whicli is.attacl1ed to the-upper end of stem (1,. f Handle E is preferablvpm" videdwith asplit' c'inthe hub thereof andv with. tightening-screw e, by means of which such handle may be secured ina determined- .position-on'stcm d. Handle E. is also pro-" vided with aperture (1".

F is a handle to stem 11, by means of which such stem ma be turned independently of the turning o the handle E. .Handle F is provided for the purpose of-adju sting thevpo sition of the valve relative tb its seat to correspond with the re uirernents of the en gine-to which the car ureter is attaeh'ed,- such re uirement bemgcontrolled, so far as .this'car ureter is concerned, b the bore of a valve-seat which is heat on the inner end of the alsolene inlet B. Needle-valve G 00115 air passage-wav C.-

" the stem of valve G. 5':

the cylinder or cylinders oft 6 engine to- 'whichthe ap iaratus is attached.

G is a use le-valve arranged to coact with 'trolst e discharge of gasolene from inlet B'to s a boss on removabletop-a, such'bossbeing provided with a'hole" thorethrough,

through which the stem 9 of valve G extends and in" which it is Ion itudinally movable. The operation of the cax b v I ed by ithe removable feature of the top, a, suehtop being made removable merely to provide means to obtain access to the interioi' of-the casing when desired. 1

-I is a disk rigidly secured on stem 0 in such ureter'is'not affect 1 toom be a 1 for til? dskl:

When the isk k is thus adjusted fora given v engine, its position remains unchanged, and at such time whenthe disk L is turned to the location as to be positionedin air passageway '0 and substantially close such air sage-way when valve G is seated.

J is a spring yieldinglyholding valve G on i'tsseat.

K K K are apertures in disk k, and Z Z are a ertures in disk L.. Disk L is mounted on t e belt, or screw 11 to turn thereon, and

mechanisms are provided, which are herein thereof (L) is turned on its pivot Z, thereby varyliig the o ning of the air-inlet. i 1 The air-i et must be partially opened Whenever the engine to whichth'e carburetor is attached is in motion, and the 'largerthe bore of the cylinders thereof the greater will be the area ofthe air-inlet when the engine is running at its lowest possible speed, and to 7provide for the variation 1 construct the disk so as to fit closely into the casing A at the lower end of the air passa e-way C and provideithe projection on disk It and recess 1 in casing A, so that a chisel or other suitable plied'to the projection 7c to around to a set position.

position most nearly closing the air-inlet the engine Wlll run at its lowest rate. of speed.

. M is a rod'rriounted in the shell or casing A, so that a rotating movement maybe given thereto. Rod M extends through the dish is 21.

rottling valve or fly secured on red M to turn therewith, and thereby to vary the area of such assage-way. A portion of the fly or valve 1, is cut away, as atn, Fig. 2, so that 4 placing the tightenipg screw p thri'iugh such' b. r A l when ghe rod M is turned to throttle-the eng ne o carbureter to the fullest'extent some air or some of the mixture of an and'gasolene bzapor may flow through the carbureter.

and into the engine.

0 is a spring one end whereof is attached to top a, as at O, and the other end whereof is attached to arm' or lever P, as at O. The arm or lever P is-rigidlysecured onrod M, so that the turning of such lever'will turn the rod. The manner'of securing this levcrl to the'rod M, which I prefer to employ, is by producing the out p in the-hub of such lever and The lever P is prlivide'd with a table Q on the under side thereof. Table Q is not i-nahorizontal planetl-iat is,-it is not in a plane at r ght angles to the axis of the vertical rod Mand hencewheri the disk on stem 9 is raised by the ls-w of air through the air-pase passage-way a" from chamber C, and N sage C" into chamber C, thereby raising the stem g,- the extent of the raising of such stem is determined by the position of lever P as the upper end of the stem 9 (or plu g in such stem) is rought into contact wi l1 such table Q,

The the rotation of the vertical rod M as such rod is turned by means of mechanism hereinafter described, it follows that both the quantity of gasolene discharged from passa e-way B by the unseating of the valve G and the volume' of air flowin through the passage-way play of the disk I being controlled by C are correspomingly varied-, so that the R is a stop on the under side of the lever at the end of the table'Q. 1 is a-set-screw which may be so arranged or set,that' the stop R is overthe upper end of the stem'g of a valve G when the valve N is in position nearly closing the dischargeepassage-of the,

carbureter, and such set-screw r is so set rine engine. upper end of stem 9 or to the plug g in such -when the apparatus is to be used on a ma- The stopR is so close to the stern when such stop is adjusted to be over I the stem that upward-movement thereof to any apgreciable extent cannot occur and the va ve cannot be-unseated; By this an rangement sudden stopping of the engine is obtained. v

When the apparatus is puton-an automobile-engine, the sct screw r isset so that when the discharge passage-way a is most nearly closed by valve N the stop R- is not-over: the

upper end of stem 9, and hence sufficient vertical movement is permitted in suehs'tei'n to allow the valve G to unseat, so that enough gasolene will be discharged from inlet B to cause the engine to be kept alive, as itis termed. i 1.

- T is a lever rigidly secured to the vertical rod M, as by split tand tightening-screw, I,

in hub t, and U U are teeth at one end ofthe lever 'l, arran ed to intermesh with teeth-u "on disk L.

'Fhe turning ofgrod :M is thus made to turn the disk L.

V is a connection between levers .E and l. \V is awirc coming under the disk I atthc inner end of such wire, by mcansof which-the valve may be raised ofl its seat when lover I is turned to open the carburetor for the flow thercthrough of aira'nd 'asolene vapor.

' W ire W maybe used to quickly obtain a suppassage way C '1 ply of gasolene in the air when desired to start the "engine.

Mei-.l'lanism to actuate the apparatus' nay I be attached to lever E, as by booking it into apertiire c", or to lover I by hooking it into either one of the aperturcsp".' a. I 1

I The operation of this carburetor is as follows: 'lhc necdle-valve l) is assmncd' to'havc been set at. the proper place for the engine to which the carbureter is attached bytur'ning 'the stein cl by means of handle F, and to have been secured after such adjustment firmlv 5 to lever E by means of the tightening-screii e. Thedisk 7c is also assumed to have been set at the proper place in the. casing A so that when the disk L is turned to close the air-inlet formed by apertures K and lto the 10 smallest possible point of closing the proper volume of air will flow through the air passage-way G into the'chamber 0. As herein-- beiore stated, this setting ofthe needle-valve- D- and disk It is varied for difi'erent'engines :5 with reference to the size of bore of the cylinders, and when once this setting or adjusting is accomplished for a given engine it remains unchanged.

The adjustment of the gasolene-inlet valve 201) and of the air-inlet having been made, the

throttle of the carburetor may be opened to its widest extent by-turning the vertical rod M so that the fly or valve N lies in a vertical plane which extends through the longitudi- 2 nal axis of the disehar e-passage of the car several movable parts ofjthe 'ap )aratus is si-L multaneously obtained, as such parts are tied together inthe manner hereinbefore de scribed, "and that thereby-aft er'the engine is started the movement of the rod' ivill cause 7%: i

a corresponding and measured movcmentjot,

such' movableparts'aridthat thereby thereli ative quantity of gasoleiie and volume of, ..air.

are directly and'properly eontrolled%thatis,i I the 'quantity'of ga'solene' is inereasedavhen'; 5

the volume of air is increased, and the quan-ytity of gasolene is decreased \yhenfthe *vo f ume of air.-'i's'decr'eased'so thatthe exp 05 sive mixture delivered to the ongiue'from'or i v by this 'carbureter is-atall'tim'es a mixture'of 8b which practically perfect combustion is; 'ob- =1 tained. Great econoinyiin 'the use of. gaso A lene, with no smoke and 'iio-earbo are btainedthereby', and iby ma great "adjustability of the se 'ver' ,the' mechanicaljinove bureten By turning, t e vertical rod M the handle E, which isattached .to lever P by connection V, and the disk L, which is con-- neoted'to such vertical rod M by means of 30 the'lever T and intermeshing teeth U and u,

are also turned, so that valve D and the airinlets through disks k and L are openedto their widest extent, and at the same time the table Q on' lever P is turned to nermit the 3 5 widestpossible unscatim of needle-valve G,

(the greatestpossibl longitudinal move ment to stem 17.) v v The four last above-describedoperations, having been performedto wit, valve jNjI f 40 opened to its widest extent, valve D opened to lts widest extent, the air-inlets formed b1};

the passage -ways through disk kiand disk being openedto their widest extent, and the table Q moved so that the stem 9 of valveG 5 may open to-its widest extent-the crank shaft of the en me to which the carburet'er is" attached may e turned to crank the'en-w gine in the usual way. The movement ofthe piston of the engine will produces. differ.

5o ence in pressure on the inlet and discharge ends of the carbureten and therebycausea flow of air through the airinlet s'and through assage-way O into.

the auxiliary chamber or the chamber C,- and such ow ofairwillraise 5 5 the disk I against the "resilience of spring J,

and thereby unseat valve G and induce a flow or permit a flow of gasolene from the inlet B f I p v i ai j disch g a mixture of air and gasolene va or will be so thus obtained in chamberC, an suchmix' ture will flow therefrom into the cylinders .of'

the engine. to be there com ressed, exploded,

and exhausted in the usua way.

It will be seen that by the turning. ofther 6 5' vertical rod M a corresponding turning of the into the auxiliary chamber or passage Cf, and

-. the of? ir fmentpftlie-remaimng 'ment; of the'va'lve ga olene-inlet; -as WWW-8 passage-wiay t su 'tantia when jth'e' 'valvefi seated-1 valv'e lichen moved 1 tiallyl'asjdescribed.

2. lnfacarburtorf a ea sing iig'th daisies-113% l a chamber therein and with an air passagethechamber', and a movablemember tothe air-inlet, scombinatien with a movable valve-coact'ing- 'witl1 a valve-seat to control the admls'sion of a'solene-to the; ga'soleneinlet means to ad ust the valve relative to its seat and .means to move such adjusted ,valvefro'm and back to its adjusted position,

a valve coacting with a valve-seat to control the discharge *end of the gasolene-inlet, adjustablemeans to limit the movement of. the

' valve at the dischar .e end oft-he gasolene inlet, a disk secure to the stain of such valve, suchodisk positioned in the air passagewayto the chamber to substantially close,

the same when they valve issated and to unseat such-valve 'wl 'ehmove'd by the ilowbf 8,1? through-"such air passage-way into the chamber, means to throttle the discharge passage-way from the-chamber in the'casi I and means to; move the movable member 0 the; air-inlet, and connection between the means to move the'valve Controlling the admission of gasolen'e to thegasolene-inletfrorn' and-hack toits adjusted .osition, the means.

to-l imit the movement 0 the valve control 1 lingthe discharge-of gasolene iron? the gaso lene'inlet the; 'means to throttle the dis charge passage-.wayjandthe movable meme beraof: the air-inlet so that movement of-ione thereof will produce c'orresponding'move- .mentof theremaining ones thereof; suhstan- V disk positioned in the air'passage-way to the tially1aS,,described-.

- -3;' Int; carbureter, acasing provided with a' chamber therein, and with an air passagewaytothechamber and a passage-way from the chamber; vand provided with anvair-inlet 1 communicating with the chamber through such air passage-tvay, a movable member to theair-inlet-andprovided with a gasoleneinletfthe-diseharge end whereof communicates with the :air passage-wavfln combination -with a. movable valve coasting with a valve-,seattocohtrol the admission of ga'sg's lane to the gasolene-inlot, means to adjust tho-valve i'olativeto its seat andmeans to move such adjusted valve from and'b'ack to its-adjusted position, a valve enacting witha valve seat toeontrol the discl-ia'rge of gasolene from tho discharge end of the gasoleneinlot,3a disk socured'to the stein of such valve, such disk positioned in the air passage-way vway to the chamber,- and provided with a. gasolene-inlet the .'discharge end whereof 8o to substantially close the same whenthevalve is seated and to unseat such valvewhen moved by the-flow of air through such air passa 'e-way into the chamber, means to restrict It 'e air-discharge pas'sa e-way from the chamber and connections ietween'the mechanism by means of which the valvewhich controls-toe admission oflgasoleneto the gasolene-inlet is moved from and back to its adjusted position, the valve restricting the air-discharge passageway and the'mov-' able 'memberflo'f the air-inlct'so that movement of one thereof will' 'p roduce corresponding movement of the remainder thereof;sub-

stantially as described. 4. In -a carburetor, acasing provided with a chamber therein andwith an-air passage 7 5 wayto the chamber and a discharge assagewayfrom such chamber, and provi ed with an inlet communicating with the-air passage communicates with-the air passageway to' the/chamber, a-mov-able-vmember to the-.airinlet, a movable valv e enact-mg with a. valve:

seat-to control the admission oi gasoleneto the gasolene-inlet, and means-to adjust the valve relative to its seat and means to move such 'adjusted va'lve from and b'ackto'its-ad justedpos'ition ,1 in combination with a valve coacting'wi'th-a vufw e eatto control the discharge end.- of the *gasolene-inlet, a movable o rod, aleve'r-on the'rod, a. table on the under.- sideofithe 'leverfsnch table-in aplane at'an angle to a plane at right angles to the axis 'of the, rod, to limit the movement of the valve at the discharge end of'the' gasolene-inlet, a 5 disk secured to thestem of such valve, such chamber to substantially close the same y when the valve is seated .and to unseat such valve when moved by the flow ofair through ice such air passage-way into the chamber; a -valve on the verticalrod to throttle the discharge passage way from the chamber in the-- easing,;a-connection between the vertical rod and the movable member hi the air -inlet, and

a connection between the means to moveithe valve controlling the admission of gasolene to thegasolcne-inlet from and'hack tolits ad'- justed position and the movable rod so that movement of one thereof will produce'coI-re- 1'm spending movement to the remainder sub stantially as described; v 'LAURITZANDERSON. In presencei'of" .-j CoaA.A. AnAMs, CnAnLEs- TURNER BROWN,

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