US1118753A

US1118753A - Fuel-injector for oil-engines.

Info

Publication number: US1118753A
Application number: US86093214A
Authority: US
Inventors: Kurt Evers
Original assignee: General Electric Co
Current assignee: General Electric Co
Priority date: 1914-09-09
Filing date: 1914-09-09
Publication date: 1914-11-24
Anticipated expiration: 1931-11-24

Description

K. EVERS.

FUEL INJECTOR FOR OIL ENGINES.

APPLICATION FILED SEPT. 9, 1914.

l, 1 1 8,753. Patented Nov. 24, 1914.

Witnesses; K lnzertor'.

ur ers I by Whorneg.

n or.

d rn?" Specification of Trotters; Patent.

,ilppllcailon fllcd Scpiemhcr 9, 19141.

To all Wilma it may am/vow llc it known that l. lirzrr Evans, a subject of tho llingr ol. lrussia, rcsiding at l.'harlottcnlmr55, (lei-anally. have invontcd cortain now and uso'lul l iuprovcmcuts in ile-l".Illlhifh ll'fii l'or ()il-l'lugincs, of which tho 'iiilhnvingr is a specification.

Qlhis in vcntioi'i rclatrs to drviccs for s )rayinn fuel oil into the cylindcr of an internalcombustion engine. and cspccially one of the high comprcssion typo. in many of tho so-callcd llljllllulfi or pulverizors hcrctofore employed for this purposo, tho compressed air llHPlHQfLS ou the oil and drives it tl'irouggl'i the valve openingin direct lines. The oil parliclrs tend to remain intact, encop't as thcy may be aplit up by tho oxpaaaion ol the comprcaacd air. lint inasnuui-h as the most cllirieu't oporulion rciplircs an extreme subdivision of the Furl and its intimate interuunp liiur with tho air in order to form a perfect and quick buruiup; Hilfiture, the iujectm'i-i or pulveriarrs abovo incutioncd a re not wholly satisl u(story.

The ohjuct of my invcnliion is to provido an injcchor or pulverizcr which will givc av grooil nurture oF oil and air, a lltl l accom' forth and. partirailarly pointed out in the clain'is.

lfn the accompanying; drawings, l ia'urc 1 is a sectional view of an inject/m" or pul-- voriacr ombod ing my invention, and Fig. 2 is a cross-s ion of tho sumo on tho lino 2 2.

In tho wall at tho Murine cylinder l, which is providcd with tho usual water jacket 52, arranged a receptacle 3 in lvhich is ii'isertcd a plug having; a. longitudinal born to receive a needlc valve 'llholinncr cud of the receptacle is conical, to form a seat for the conical tip ll of the valve, which controls tho port 7 opening from the rcceptzwlevinto tho cylinder 1. 'lho intcrior of tho plug: cored out to form a. central chamher 3 surrouiwlingej tho valvc. A duct 9 communicatrs with this chain; and enables a s-iupply ot ii'uol oil to he dolivercd thereto by a pump or oihor charg'c measuring device. Tho outcr portion ol the plug lits tightly in The rorcpl amr, but its inner portion is rc duced in diamoh-r, so as to lravo an :uuiuilar space around. it. "in said space is an anon lar incmoer l0 lilting the receptaclo lightly A .hilt l'fl @li FICE,

rau'inino, onnivmnv, ASSIGINOB. 'ro GENERAL ELECTRIC a conronarrion NEW YORK.

-IIild'IEC'i'0IR FUR OIL-ENGINES.

Patonted Nov. 24, 1914-.

Serial No. 860,932.

bctivccn itsclf and the reduced portion of ihe plug. Tho annular member is preferably clampcd brtwccn a sl'ioulder 12 on the plug and a seat 13 in the receptacle. Inthe ouior surfacc ol the member 10 is a Wide eireum'l eroutial groove 14 which communi-.

-ber ll. The two sets of holes deliver jets of oil and air respectively to the mixing cluuubor ll. and are preferably so arranged that the jets of oil and air collide, so that the oil is broken up into spray and is thoroughly mixed with the air. In order to still further oonnningle the oil and air, hallling (levh'rcs are introduced into the chambor l; prri'erably in the form of circlun't'crential ribs 18 on the plug, between the rows of holrs 16. Similar ribs 19 may b0 provided on the inner face of the annular uicmbcr ll): prl-lcrahly alternating in position with lho =c on the plug, in, which case the holes I? will be located in the ribs, as shown, in ordor to oppose the holes in the plug. The two sets of ribs lcave an annular. labvrint-hiuc passagc through which the oil and air will be forced by the pressure of the latter when the nrcdle valve is opened. The impact upon the ribs, and the frequent cluinges in dircctiom cause the oil to be still lurthcr subdivided and thoroughly mixed with the air, so that when the charge enters the cylinder it is in a condition to burn promptly and steadily.

Tn accordance with the provisions of the patent statutes, I have described the prim oiple oi ope ation of my invention, together with the apparatus which I now consider to reprcscnt the/best embodiment thereof; but I dcsire to have it understood that the apparatus shown is only illustrative, and that tho invention can be carried out by other moans.

What ll claim as new and desire to secure by lu-ttcrs Patent of the United States, is,---

1. An injoctor for oil engines comprising a receptacle, a plug therein having a central chamber and holes through the, wall th and a cirournhircntially grooved anti -be r having holes connecting with ducts for supplying a receptacle, a plug were chamber and air to ake groove,

member in said receptacle concentric. with an annular mixing said mules memthe groove with being provided the centre}.

said lugend. leaving chem er between them,

and said plug oil to chamber and air to i; groove 2. An injector for 01 en the chamber,

chamber and holes through and a clrcumferentmlly member in seid'iteceptecle ccncempric Wish said glug anti leaving an 111mm. It mixing chamber becween them, we annular member having hofes connecting the groove with the chamber, end said. plug beizzg PYOViGBd with ducts fol; supplying oil to (she centre b the holes in said Flog smhding oppositeve'h ose in said. ennu er member, s a

8. A pulverizer or oil engines comprising arecepta'cle, a ping therein having a centred chamber and holes ebrough the Well. thereof, and annular member in said receptacle concentric withsald plug @1161 leaving an annular" mixing chamber between them, said annular member having holes connecting the groove with the chamber, and seifi. plug being provided with ducts for supplying oil to the central chamber and air to the groove, and having external ribs projecting into said chamber.

mixing 4 plglvemzer for 011 engines comprisgrooved amnion a, circomferentiafly ,glroovec iv my hand this 13%;11 day of with said plug and leaving an annular mixmg chamber between them, said annular g holes 'ccxmecsing the e chambers, end said plug 5 s0 scppi mg; ml to fl'c and air he groove e1 c we .121 member i chembelx. v 5. 1 ,rize'z c. oil engines comprispsecle, a plug therein iieving cemral chamber and holes through the Wall athereo'f, e circumferemially grooved v21mm.- lex' member in said receptacle concentpic with said. plug; and leaving an annular mm 511g chamber between ehem, saidenm11ar member bevinp" holes connecting the groove with me. cherzfi wcr andseirl plug conseining ducts for supplying 'efl oer enci air to the groove, and. ribs on said ping snd-ennulal member projecting into said mixing chamber, and alternating With eech' o'ther 20 form 21- leb'yrinthine passage for the oil and air.

L11 Witness whereof, I have hereunto set August, 1914;

KURT EVERSB i'zeesses to the central chom-