US898230A - Gas-engine. - Google Patents

Description

PATBNTBD SEPT. 8, 1908.

U. 0. LAKE.

0A8 ENGINE.

APHJOAHQI "LID IA! 17. "01.

N. 30. PATBNTED snr'r. 190a.

o. 0. LAKE.

GAS ENGINE.

nruouxor nun IA! 11. m1.

when; Y f: M 0 Mia 0 Mb& l 5y No. 898,230. PATBNTBD SEPT. 8, 1908.

G. 0. LAKE.

GAS ENGINE.

Wmau u." I I Jig/6121;. I I. z "5% I WW ta l farming a ipadlaafion o! Latter Patent.

Patented Iapt. a, race.

To all whom it may concern:

lie it known that l, (51419100. LAKE, a citizen of the United tatoa, residing at Shrcve, in the countv 'of Wayne and Stato of Ohio, havc invent certain new and useful Im rovementa in Gaad'lnginea, of which the fol owing is a specification.

My invention relates to improvements in gaa engines and the paramount object is to produce a enorall -improved engine of this class whici will re exceedingly simple in cgmatru; ion, cheap of manufacture, and eltlment in use.

' The invention relates more particula to th governor mechanism, the combos iblc gaa-inlct-valvc, and the intermediate connections whereby the speed of the engine may be maintained conatalit under varying loads and conditions, and yet, at the same time, may be increased or decreased throu 'h said intermediate connections, as dcsimi by the operator.

Another object is to irovide a generallyim ivcd an-mixcr rhec aniamwhercbythc 'ric mcaa o the combnatible gas charge may be readily increaaed or decreaeod an desired undo? the conditiona and ciroumstanees of operihiori; A

Another object in to im rovc the construction' of the-water-jachete -cylindcr and combuation-chamber.

A still further object is to provide a simple and effective timer mechanism for varying the time of ignition of the charge relative to the position of the piaton in starting the engine, and the average rate of speed dea with these 'and other ends in-vie'w, the invention oonaiata in the novel construction, '40 arrangement and combination of parts, hereinafterdcscribed, illustrated in tho accompanyiu drawings, and particularly pointed out in the appended claims.

Referring to the accom anying drawings,

art of tltia'spbcilicatien, Figure i la a top P an view of an engine conatructe in acoon ance with my invention. Fig. 2, a longitudinal scctionulview'oi liw governor mechanism, the comblatiblo gns-inlot-vnlve, M and intermediate connectimu. Fig. 3, it

Q aectio view ofthe improved mixer muchanialn, Fig. 4 a plan view of the governor mechaniam. l ig. 5, a longitudinal-sectional vicar of the improved wateracketed-cylinder and comhuationdiamber. A

tail view ot tho inn-mechanism.

Fig. 6 a deis an enlarged detail of the governor mechflnlll'll.

Similar chariwtom of reference designate like parts thmughout all the ligure'a of the 60 drawings. The present embodiment of my invention is of the four-cycle type,1. e.the crankshaft rnakea two revolutions for each exploaion of gas. The engine can be readily at by means of the usual base-plate l, which 10 supports the front portion 0 the cylinder above and is secured thereto by means of the bolts and nuts '2.

The cylinder 3, il preferably calm and comprises the usual piston and combustionchamber at the rear, and a piston-guide.- hcad 4, at the front formed integral therewith. The walls of the cylinder are provided with the integral circumferential llangea the ends of the jacket or aleeveii e6, formed refcrably of wrought-iron am a runlr upon the said annular tlangea 5, and lornnng'the annular water-chamber 7, for the purpose of cooling the walla of the cylinder about the combustion-chamber. The jacket 6 ia provided with the uaualpi inlet and outlet ogenings 8, communicating with the water- 0 amber 7.

The base-plate end with the non blocks 9, ca

his provided near its front the crank-shaft 10, ro-

vided with the usual flfiwheela 11, and drivewheel'or pulley 12. e crank-ahatt 10, in rcmovably-mounted and aecured in. the bearing-hlocha 9 by mean of the uaual cagblocks 13. 'lhe crank l4,1a connected to t e guiding-trunk 15, of the piston 15, by m of the usual connecting-rod 16, soon the tive ends by means of the usual and bearings. A small gearwheel-l'l, is mounted and secured to the crank-shaft 10, adjacentto the outer side of 5, forming the supporting-ends for integral pillow bearingone of the bcaring-bloclm 9,-and meshes with a largo! or reducing geanwheel 18', adapted to make one revolution to two of the former."

The r-wbeel 18, it mounted u n and aecu to a cam-ahaft 19, revolu'h -mounted in a horiaontally and tranlvenel -mounted main bearing-head or arm 20, 0 ab and supporting-bracket 21. having 7 ing-plate 22, secured to one aide of the DO.

-way a substantially constant and uniform speed is secured under varying loads and conditions of service. By increasing or decreasing the length of the connecting-rod 40,

by means of the nut 46, the size of the inlet port-o ienin I 7?, ma be correspondingly incresm or deem whereby to increase or decrease the speed oi the engine. 7

The inlet-valve is of the usual construcm tion, consisting of a valve-disk 8i, slightly held in contact with the seat 82, by means of a spring 83, taking over the end of the movable stem 84, extending rcarwardly through a guide 85, formed on the rear of ,the valvehe outlet or exhaust valvecom rises the usual spring-resisted stem 86, rovided with a valve-dis normally closing t e port-opening in the cylinderead. he stem 86, is pioved inwardly to open the port-opening or the exhaust'of the products of combustion, by means of a ever 87 pivoted to a standard 88, one end of said iever being secured to the end of the stem 86, and the as other being pivotally-seeured to aJiorisontally-arranged connecting-rod 89 extending,

forwardly under the cylinder an connects to the lower end of a second lever 90, pivoted, in the present instance, to the inner side of the base-plate l. The u iper end of lever 90, carries a roller 91, which rides over the cam 24, whereby the lever is recipat, the proper time to open the exhaust-valvs. as The inition at the ohsrgsis made by. an inder-head, and the timer mechanism, .or -;overning and regulating the time of sparkpg relative to the position of the iston in to the cylinder, consists of a movable, ar or levt'r 93, provided with a pivot-pin or trunnion 94, mounted in a bearihg-opening 95, of an upwardly-extending arm or standard 96, of the aring and supporting-bracket 21. to The lever 93, i8 provid opposite its trunnion 94, with a short pin-head or stud 96, carryinpl an insulatingrubber-block 97, secured t ereto by means of a cross-key 98.

The block 97, is provided on its outer face with a brass late 99, secured at one end to the block-97, meanaot a screw 100, which screw also ma cs electrical connection with the plate 99,-by engaging the and of the wire 101. The lower or free end of the late 99, is

66 yieldingly held against the face 0 the block 97, by means of a coiled spnng 102, taking over, and secured in position b a pin 103, secured to the block 97, by means of, a nut 104. The op ite or outer end of the pin is so provided wit s not 105,'which takes over the outer end of the coiled spring 102, so that the tension of the sprin u n the plate 99, ms bevsried as denim be lower or free or: of the plate depends tro'rn'the block 97,

u and is adapted to engaged by the end of a -and a connectin -arm, a lever-bar pivotallybrass arm 106, fixedly-secured to the end of the revoluble shaft 19, and making, through the attached gear-wheel 18, one revolution to two of the crank-shaft gear-wheel 17. The free end of the. arm 106 is provided with a laterally-extending beveled stud a, adapted to engage with the depending free end of the plate 99. The upper portion of the lever 93, is provided with a socket-housing or head 107, provided with a socket-opening or recess 108, containing a coiled sprin 109, and movable pin 110, extendin from t \e sockethousing, and having abeve ed or conical end adapted to take into and yieldingly engsfge with'th'e reamed openings 111, formed at t is ppper end of the standard 96. As the conies end of the' spring-resisted pin 110 does not enter the reamed o nings 111 farenou h to prevent the ion 'tu inal movement of t e upper portion of t e lever 93, by the handle, thereo the lever ms be moved to an of the positions indicates by the three 0 mngs 111, thereby moving the depending end of the plate 99, to be engaged sooner or later by the free end of the arm 106, whereby to correspondingly regulate the ignition of the charge by the igniter with respect to the position of t is piston in the cylinder, as desired in startin t e engine and the speed attained.

From 1 e foregoing description. taken in connection with the accompanying drawings, the operation and advantages of my invention will be readily understood.

Having thus described my invention withorms in which it may made, or all the modes of its use, I declare that what I claim and desire to secure by Letters Patent, is v ,1. In a gas-engine, a cam-shaft providedat one end with a cam and a bevelgear and 108 at the other with a ear-wheel and connect- 'ing-arm, a leverar ivotally-mounted above said cam-shaft am carrying an insulisting-block, a depending plate secured to said lock and sdapted'to be engaged by the free end of said connecting-arm and means for securing said lever-bar in adjusted position.

2. In agas-engine, a bearing andsupporting-bracket provided with a standard, a camshaft carried by said bearing and so portbig-bracket and provided at one on with a cam and at the other with a gear-wheel mounted in slit standard and carryingv an insulatinfi-block, a. sprin -plste secured to said bloc and having its ree end adapted to be engaged by the freeend of said connecting-arm, and mearm for securing said lever-, bar in adjusted position. 1 3. A gas-engine, cumprisi a c linder, an outlet-valve mounted in the m thereof, a lever secured to said outlet-valve, a connecting-rod secured to said lever, a second lever secured to said connecting-rod and provided 100 out having attempted to set forth at the 100 t electnoigmtion-plug 92, mounted in the-e lf v or so iporting-plate l, of the engine by means of be ts 23. he shaft 19. is provided on its other or opposite end wit 1 a cam 24, and a bevel-gear 25, meshing with a small bevela gear or pinion 26, revolubly-mounted on a statiouarv gm'ernor-slmft 27, and rovided with a seevc or collar 28, rovi ed with oipositcly-disposedlugs 29. he ovemorsliaft 27,.is mounted in an opening ormed in an integral shoulder 30, of the bearing-arm 20, and is secured therein b means of a setacrew 31. The gear or pimon 26, is held in mesh with the bevel-gear 25, by means of a collar 32, secured upon the shaft 27,, by

means of asst-screw 33.

The governor comprises a sleeve 34, slidably and ruvoluhly-mounted on the end of the govcmor-shaft 27, and connected to the lugs 29, of the inion 26, by means of toggle- :0 arms 35, provi ed at their inner or connected ends and secured together by means of pivotpins 36, carrying disk-blocks 37. of the pivot-pins 36, preferably extend beyond the inner connected ends of the togglearms and are provided with annular grooves 38, adapted to receive and contain the loo ed ends of a pair of spiral springs 39, adap to yieldingly hold the disk-blocks 37, in connection with 'each other. The sleeve 34, is revolubly-ocnnected to a connecting-rod 40, by means of a hand nut 41 provided with a threaded annular shoulder talti' into a threaded opening ofthe end of the cage 34 and adapted to move the connecting -'rcd longitudinally toward the gear and of the governor by coming into engafement with anannularsho lder 42, referabyformedinwith sai connec mg rod 4'0. A second annular shoulder 43, is adapted to abut against the outside of the nut 41 so that the rod 40, will he moved lon 'tudinally from the gear end of the governor 4y a correspond- "-in movement of the sleeve 3 in order to guard against any possible 46 turning of the connecting-rod 40, a bracketarm 44, is secured to the side of the baseplate 1, and fcrked'at its upper end to take over flat sides fonned on the rod 40. In order to provide for the lengthening or shortening of the connecting-rod 40, for the purposes hereinafter described, said rod comprises two parts or members connected by means of an adjusting-link or nut 46, having its opposite ends provided with openings having right and lefl'. handed threads taking over corrcsiondinglysthreadcd ends of the conncctt members. A lock-nut and lever :17, is mounted on one of the threaded ends of said members, adjacent to one end of the nut so 46, for locking the same in any position to which it may be adjusted. v

The gas is conducted through a ipe 48, provided with an ordinary valve 49, see Fig. l) and the pipe 48, is connected to a second at pipe 50, by means of a union 61. The pipe The ends' sumac 50, is suitably secured to the mixer comprising a main body mrtion 5;, provided with a centrally-located depending tubular stem portion 53, threadednt its lower end, and n circular base portion 54, provided with n 70 threaded central opcniin in its bottom taking over said three ed portion of snid stem portion 53, with the upper ed es of the circular walls 56, abutting against t in base of the main body portion 52, whereby an annu- 75 lar gas-chamber 57, is provided communicating with the gas-inlet-pipc 50, secured in an opcnin at the side (see Fig. 3). v

The ottom or seat portion 58, is provided with a series of gas-inlet openings 59, com- 30 municatinfi with the mixer-c amber 60, above, an normally closed b "mcans of a valve-disk 01 reierably of rub ror leather or other ilexib e or resilient material, secured toa disk-plate 62, by means of a stem 63, 35 provided with an annular shoulder 64, and a nut 65, on the lower end thereof. The stem 63, is movably-mounted at its upper end in an opening of a threaded stem or spindletiti mounted in a centrally-harmed threadc 9 opening of a screw cap-plate 67, mounted 1 within a threaded operu at the to of the main body portion 52. he spind e 66, is revolved by means of the usual wheel 68, and a lock-nut 69, enables the spindle to be locked in any position to which it mafi be adjlusted. The stem 63, is surrounded y a cor ed spring 70, one end of which impin es against the disk-plate 62, and the ct ier against the lower end of the spindle 66, and by adjusting the latter the pressure of the spring 70, may be varied to re late the lift and susceptibility of the mov'a )lc valve-disk 61, to the suction impulses as the air enters through the depending stem portion 53, to mix with the gas in the mixi -chamber whereby to increase or decrease ilie richness of the charge drawn into the combustionchsmbcr of the cylinder.

A pipe-opcnin v 71, leads from the mixingchamher 00, an is connected to a pipe 72, the latter bein in the present instance, connected to an e bow pipe connection 73, containing a stationary valve-body 74, referably of tubular form as shown (see "ig. 2) and having a vertical slot or port-opening 75, in its side connnunicating with the opening of the valve-pipe 76, leading to the inletport-opcning 77, of the cylinder-head 78. A slide-valve 79, preferably of tubular form, is

slidably-inounted within the stationary valvebody 74, and is provided at its front with a crossmrm 8U, sm-urcd'to the connecting-rod 40, passing through an opening in the pi 73. The slide-valve 79, is adapted to ecrease or increase the size of the inlet portopening 77, as moved to and fro by the connecting-rod and 'overnor corresponding with the increase or decrease, respectively, in the speed of the running of the engine. In-tlm with e friction-roller, e cem-elieit provided et one eml with e oem ede iod to engege seid roller, e geen-wh'sel en aconnectingerln secured e sheit, e leverivotelly-moumed ebove seid cem-sheft en carrying en insulatingblock, e plets secured to seid blockend edepted to be e by seid connectingerm, end meens or securing seid lever-her u in edfisted position. I

4. e 'ne, e cylinder, en exheust velve, e lever secured to seid exheust-velve, e connecting-rod, e second lever secured et its lower on to seidconnectingwod end canrying et its upper end e roller, e eem-sheft provided et one end with e cem edeptod to engsge eeid roller end et the other with e connecting-enn, e beerin'g-brecket cerryirx; seid cem-sheit end provided with e sten erd, e lever-her pivotelly-mounted in said etenderd end provided with s block, end e lete secured to seidblock etyl edepted to senieged' by eeid connecting-null d gel-cngme,com nsinge in er, en exheuet-velvo moon in the had thereof, e lever secured to eeid exheust-velve, e connesting-rod secured to eeid lover, s second -lever secured 9.0 and connecting-rod end cerq ing e roller, u oenvsheft edepted to I. seid roller, e connecting-em secured to send eem-shelt, e lever-bet suitably mounted end urri e block, end e plots secured to seid bloc end edepted to be en; ed by said connectin'g-erm es seid cem-si t is revolved. 6. A ngine, comprising e weter-jecketed e3: der, inlet end exheust velvee .to the opposite end of seid cem-- sumo mounted in tho heed thereof, e lever secured to seid exheust-velve, e connecting-rod secured to seid lever and extending forwerdly beneeth eeid cylinder, e second lever secured 40 et .its lower end to the front end of seid connecting-rod end rovidedet its upper end I with e frictionler,- e eem-sheft suitebly mounted end providedetonednd withecem edepted to engege eeidrolle'r; e gear-wheel end it connectmg-enn'secured to the oppo- I site end-of seid cem'eheit .e' lever-her mounted ebove seid cem-shet end carrying en insuletinpblock, e depending spring-resisted plete I to seid block, end meens for securing d lever-her in edjusted position.

7. A gss-enginomomprismg e cylznder an exheust-velve, e iv-vor pivotelly-sccured to the cylinder-heed end connected to said mheustrvnive, e connecting-rod secured to said lever, e second lever secured to said connectirifi-rod, e cem-sheft provided with a cem epted to engage one end of said secondlever, e connecting-arm secured to said cem-eheit, e lever-her ivotell -mounted end provided with en insu ating-b oak, and e lete resiliently-scoured to said block and eving one end edepted to be engeged by seid coml acting-arm as said cem-shsft is revolved.

In testimony whereof I have signed my neme to this specification in the presence of two subscribing witneesce.

. CLINTON O. LAKE.

Witnesses:

O'r'ro Tnou'mex, Lonsmzo D. Connect.

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