US100883A - Elisha h - Google Patents

Description

iuiird gime.

ELISHA II. GOLDMAN, OF CLAYTON, INDIANA.

Laim Paten No. 100,883, ma Mvc-h i5, 1870 AUTOMATIC BOILER-FEEDER.

The Schedule referred to in these Letters Patent and making part of the same y To all whom it may conce/rn Beit known that I, ELIsHA H. GOLDMAN, 0f Olayton, in the county of Hendricks, and State of Indiana, have invented a new and valuable Improvement in Automatic Boiler-Feeders; and I dohereby declare that the following is a fnll, c1ear, and exactdescription of the vconstruction and operation of the same, reference being had to the annexed drawings making a part of this specification, and to the letters and iigures of reference marked thereon. y

Figure 1- of the drawings is a central vertical section of my invention.

Figure 2 is a bottom view of the hinge-valve with its perforated ledge.

My invention relates to automatic boiler-feeders, and consists, mainly, in the construct-ion and novel arrangement of devices designed to keep the water in the boilersof steam-engines ai-ways at or about the same height, without constant attention on the part of the engineer.

The letter A ofthe drawings designates a vacuumchamber, cylindrical in form. This box is attached to the outside ofthe boiler, at or near the required water level. v

B designates the feed-pipe leading to the boiler.

O, the steam-pipe.

D, water-pipe leading from well or reservoir.

F F, valves. g

G, pump attached to the supply-pipe D.

'Ihe steam-pipe C is attached to the valve-box H.

I is the valve which closes the steam-port a, and is operated by the ioat K.

The steam-port a communicateslwith the small cylinder b, which extends into the interior of the box A.

This small cylinder is provided with an opening, c, and piston d.

The upper part of the box A is separated from the lower portion by the partition f,`in which is an opening which is closed at times by the valve L.

The upper chamber is lettered A.

The valve L is hinged to the partition f, and pivoted to the connecting-rod of the piston ll. It is also eX- teuded to form an elongated shelf, l, which is perforated, so. that, when the valve lis open, water from the chamber A will descend in al shower.

The operation of my feeder is automatic, and may be thus described: Y

The pump G is employed to start the feeder. 'Ihe water passes into the chamber A', and through the opening in the partit-ion f, into the chamber A. As

the water rises in this chamber the float K is elevated,

until the upper lug a on the end of its arm, bearingdown on the pin o of the valve I', depresses this valve, and thereby opens the steam-port a. Steam rushes at once into the cylinder b, and, acting on the piston d, forcibly closes the valve L, stopping the supply of water. 'Ihe steam continues to rush through the oriiice c until the chamber A is in equilibrium with the boiler', when the water in the chamherwill at once settle to its level in the boiler. As the water flows out the float descends, until, by means of the lower lug fn.' on the end of its` arm, the valve I is raised sufficiently to ciose the steam-port a, at once releasing the piston (I. Watery descends in a shower from the pertbratcd shelf l, condensing the steam in the chamber A, and thereby forming a vacuum, which is filled by the water from the supply-pipe D. The oat is now raised again, and the operation repeated until the water in the boiler is on a level with that in the feeder, and the flow ceases. As the water in the boiler lessens in quantity from evaporation the iow commences again from the feeder, and the ioat descends, as before described. The vacuum is formed in the chamber A, inducing the flow from the supplypipe D.

The parts of this feeder work with great rapidity, and a Vcomplete effect is produced. rBhe water is automatically kept up to its proper height in the boiler, The valves work with force and eihciency, and, when in operation, can be heard by the engineer at some distance.

The pump att-ached to the supply-pipe can be used for filling the boiler without detaching the feeder, and, bybringingits handle down to its lowest point, the valve s is thrown up to its highest position, and there fastened, forming a check-valve, which is desirable.

My invention works as well in,cold asin warm weather. No packing is necessary. It is not expensive, and can be readily attached to any boiler. y

Vbat I claim as my invention, and desire to secure by Letters Patent, is

1. The hinge-valve L with perforated ledge Z, operated by the piston cl, as speciiied.

2. In combination with the vacnum-chamberA, the hinge-valve L with pertbrated ledge Z, the piston d and cylinder 11, as specified.

3. The automaticboiler-feedcr herein described, having vacuum-chamber A, float K, slide-valve I, partition j', hinge-valve L with perforated shelf l, piston (l, cylinder b, and priming-pump G, as specified.

In testimony that I claim the above, I have hereunto subscribed my name in the presence of two witnesses. A

ELISHA II. GOLDMAN.

Witnesses E.' W. FARMER, WM. J. SHEPHERD.

Images