US103304A - eckert lithographing co - Google Patents

Description

'tlatent Clipline.

rr. of y`ojnoysrnLL,or. Moreau, caro.

Leners Parenteel 103,304, raad May 24, 1870, narrated May 1o, l1ero.

` "The Schedule referred to in these Lettera Patent and making part the Same- To all whom. "it may'concera: I L i Be, it known thatI, H. QCROWELL, of Morgan, rn the county of 'Ashtabulaand State of- Ohio, have invented certain new and useful Improvements in Ro,-

tary Injectors for Steam-Boilers; and I do hereby de'- clare thatdrhe following is a full and complete descrip- `tion of the same, reference being' had to the accompalnylng drawings making part of this specification, in w rc l -Figure 1 is a vertical transverse section.

Figure 2, a. vertical longitudinal section.

Figure 3, a detached section.

Like 'letters of reference refer to like parts in the dilierent views presented.

`This invention has in view the supplying of steamboilers with-water' while under pressure.aud at such times only when t-he water therein shall'lavefallcn below the water-line or line of safety, so that a "ceri tarn andconstant supply is given to theboiler at the proper time, and at n0 other, the apparatus 4being selfregulati'ng and uniform solong as the pressure of the steam. on the boiler is continued.

Fig. 2 represents a longitudinal section of an oblong square chest occase, made up of two sections, A B, and connected to each other by means of bolts a, pro-v jectedthrough the-flange G, the joint heilig made tight `by a gasket, D.

Trausverselyin said case is closely iittcd a cylinder, E, iig. V1,'and .retained therein `by the plates F, secured toeach end of the cylinder, and allowed to pro ject over upon the sides ofthe case, as represented.-

In the sides of said cylinder are sunk buckets or cups G, leaving at each end a section, H, for bearings, and to form the ends of the buckets.-

` it will be observed,`on examination of iig. 2, that the cylinder does not occupy the center of the case longitndiually,'but is a little at one side, leaving a much larger space at I than at J. The space or charn-` ber I is divided oft' from the cylinder bya' diaphragm, K, against which the cylinder is closely fitted'. In the side of said diaphragm isgcut an oblong square opening or port, L, g. 3, which figure represents a side view'of the diaphragm. Said port is equalin length "to that of the buckets or cups, but'a little less'transversely. Midway in the upper edge of the portis bored a smallholc, b, the purpose oi. which will presently be shown.

'li-irc space or chamber' J ,is not 'partitioned oli` by a diaphragm as is chamber I, but is freely open to [the sideof the cylinder.

Having thnsfardescribedthe construction and arrangement of the injector, the practical operation of' the same is as follows, viz: 1

The apparatus isattached to the boiler' so that the V .line a: :rshall be everr withl the water-`line, and with lout which, the expansion of steam would which it is put indirect communication by a pipe lead ing from the hole M to the steam-space of the boiler, and by a pipe leading from the hole N to the waterspace, thereby establishing a 'dh-ect and immediate open rel'ation between tireur, so that the water and steam will occupy the chamber I, as -it docs in the boiler' by 'vir-ture' ofthe law that water seeks its level under pressure as readily as in the open air.

The chamber J is putin open communication with -a reservoir of water' by a pipe leading from the hole O `to the water, which is, supposed to be slightly elevated above the line :v x. l

The apparatus on being thus properly adjusted in position, theV cylinder is made to revolve by a belt passing over the pulley l, iig. 1. It will be obvious that as the cylinder rotates inidiroction of the arrows, the 'buckets G will carry water from the watr-chamber'J` around to the port L, and .discharge it into -thc chamber, should the water in the boiler', and conse qnently in the chamber I, be belowA the water-line a: a',

4or rather, it will fiow ont of the buckets int-o the chamber, by virtue of the law ol' gravitation, and thus supply the boiler with water until it rises again to the water-line. v ,The equilibrium being restored between the wat-er in the chamber and bucket, no more will lcw in, but

`'will be carried around back into the water chamber J,

from whence it was taken.

By this device it'will be evident-that theleast fall of the water in the boiler below the water-line, will cause the water to tlow from the bucket, as it comes in open Vrelation tothe port L, and thereby :cause it to ascend to the water-line or top of the port, the'point of safety. To facilitate the flow of the water from the bucket when revolving rapidly, the hole ballows the steam to Ienter the bucket in advance of a full discharge of the water, and there-by forces it out into the-chamber in less time than it would iiow out unaided by the steam. By this means all the water may be forced from the bucket it' that iu the Iboileris running low, andthus a more immediate filling 'oi the boiler is eiiected.

AL certain amount of steam, more or less, according to the amount of lwater left in the cups afterl being ini` open relation 'to the port, will be carried around to the water-chamber,wherein it is condensed, and allows the buckets to bev filled again, which is again returned to the boiler'. i,

To allow the escape of gas and condensed. steam from the water-chamber, a rent, Q, is made in the rooi of the chamber, through which it may pass off t-o thcoutside, and thereby prevent explosion or undue pressnre upon the water in the chamber and buckets, withforce the.

water back into the reservoir.

i By t-henseof this apparatus a certain. constant, and. l

uniform supply ofwater is nrnishe to the boiler, .not et inter-vals, when the wet'er is foixud to be running low, but at al! times, as each quantity wili ow into the chamber, thence to the boiler, regularly andV constantly, more or less, es the demand may be, thereby avoiding all danger of ex- `piosions in consequenceof low water.

It will 'be obvious, that should the water by any means rise above' the waiter-line or port L, no water from the onps could iioW- into the chamber, as the equilibrium of the ,uil would be et e, higher level, :ind therefore the water in thecnps could not -ow ont before reaehingthe diaphragm above the pere', which would shut off the cup from the port, ann the water cup passes the port, a certain ,est 2 vWitnesses J.' E. B Umzrne's, E. E. WARE.

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