US126651A - Improvement in automatic oilers for steam-engines - Google Patents

Description

THOMAS SIMS.

Improvement in `Automatic Oiter for Steam-Engines.

No. 126,651. y Paren1edMayl4,mz.

WITNESSES:

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lWiPRQlfEiv'iEhlT liti UTMATIC OILERS FOR S"l"EAVI-EblzINES.h

Specification forming part of Letters Patent No. 126,651, dated May 14, 1572 Specification describing certain lmproyements 1n Automatic Oilers'for Steam-Engines,

invented by THOMAS; SIMS, aV resident ot the city of Philadelphia, in the State of Pennsylvania. p

Therst part of my invention relates tothe Y construction and operation of the valve for- .alternately admitting and stopping the iiow of the oil from the oil-cup above into the steamcylinder ofthe engine below, by the alternate action of the plenum and exhaust of the said cylinder; the object ,ot' .this part of my 'invention being the production of a reliable automatic oiler that will .not be liable to get out of order i-n use. The second part of my invention relates to the arrangement of a close steamchamber around and partly under the oil-cup, in combination with a hole and channel arranged in the supporting-body of the oilcr so as to alternately permit steam'to pass up intov the said chamber from the plenum of the steamcylinder and the resultant water oi condensation to run down into the vacuum of the same; the object ot' this part oi' my invention being to keep the tallow in the oil-cup always in a properly melted or duid state, especially in cold weather.

Figure l is a verticalcentral section of the.

' ber C are screwed together rmly by the up per screw-end oi' the supporting-body D, which screw-end enters through corresponding openings in the centers et' the respect-ive bottoms of A and l5, the iiangeA a around the upper edge-of A iitting steamtight down'upon the upper edge ofB, and thus producingthe steamchamber c. The oil-cup has a common droplid, L', which is hingedtheret'o so as to be readily raised and lowered. The supportingbody'l) is in two parts, d d, screwed together. The object of making' the body in the two parts is to provide for the construction and application oi' the stein-valvesv and their seats. There is -a through-hole, d", bored longitudinally through the center el' cach of the pieces d d, which holes are each enlarged from their inner ends to the depth of cnc-half inch, more or less, sopas to produce the beveled shoulder 4 around between the said enlargement and the small hole dt, and also the outer corner ofthe enlarged part of the hole, beveled off or countersunk so as to produce the beveled. shoulder 5,-all of which bevels serve as respective seatsforcorrespondingbevel-faceson the valvestem E. The two bevels of the middle or large faces at e correspond with the two respective bevel-seats 5 5, and the bevels above and below the 'middle faces e correspond, respectively, with the beveled seatset i; and the distance apart ol the said middle and respectivo end faces of the. stem' E oorrospcndwith the respective distances `apart between the middle faces e and the faces e e. VThe length between the two bevel-faces e" e `of the stem E is about a sixteenth of an inch, more or less, shorter than the distance between the two bevcl-seats et 4; and the thickness of the metal on which the two joined or middle bevel-tacos c of the said stem E is about asixteenth of an inch less than the distance apart of their respective seats 5 5, so that when the stem E is pushed upward the bevel-face on the upper side of e and the bevel-face c4 above close against their respective seats 5 and 4; and when the said stemE-falls the under side of e' and the bevel-face e below close against their respective seats. The largest diameters of the respective beveled parts e e c and of the slender parts 6 6 of the stem are about the twentieth of an inch less than the diameters of the surrounding bore.4 There is a concentric groove, 7, in the under side of B,which forms a small channel between B and the upper shoulder of D, and also a like concentric groove, 8, in the upper sideof the bottom.

piece d, which forms asmall channel between D and d when the parts are screwed u p tightly together, as shown in Fig. l. A straight hole, 9, islbored through thebottom of B and'longitudinally through the parts D and d, which hole intersects both of the channels 7 and 8. The oiler-is applied by screwing its lowerend into the steam-cylinder.

The automatic operation is as follows: Melted tallow or the lubricant is poured .into the cup A, and the movement of the 4piston ofthe engine alternately from the the plenum to the vacuum causes the valve-stem to rise andl lall as the bore cl communicates alternately with the said plenum or vacuum, and when it falls I claim as my inventiona portion offlthe lubricant in the cup A passes l. The four beveled faces e e e e" on the e" into the annular space between e'! and c', valve-stem E, in combination with the correwhere it is retained until the pressure of the spending bevel-seats 4 4 5 5 in the bore ofthe steam in the plenum forces the stem E upward body D, constructed and arranged to be opso as to allow the said portion of the lubricant erated by the plenum and the vacuum of the `to enter the steam-cy1inder,.and at the same steam-cylinder "of an engine, substantiallyas.

me closes the valves above, and so on, at every and for the purpose hereinbefore set forth. complete revolution of the crank of the engine, *2. lThe steam-space C between the oil-cup A the required quantity oi the lubricant is adand the surrounding case B, in combination mitted into the cylinder, and at the same time with .the hole 9 and channels 7 `and 8 in the a small jet of the steam passes fromv the plevbody D of the oiler, the said part-s being connum, through the hole 9 and grooves 7 and 8, structed and arranged to operate substantially into the chambers C, and keeps the oil-cup as and for the purpose hereinbefore set forth.

warm, and consequently the lubricant uid in cold weather, the condensed steam returning as Waterinto the vacuum. A small stop-cock, Witnesses:

b", permits any surplus water to be readily BENJ. MO'RISON,

drawn oil', as occasion may require. WM. H. MORISON.

THOMAS SIMS. y

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