US436708A - William j - Google Patents

Description

(No Model.)

W. J. HEARN.

PUMP.

10.436,708. mam Sept. 16,1890.

ATTORNEYS UNITED STATES PATENT OEEIcE.

WILLIAM J. I-IEARN, OF NEW' YORK, N. Y.

PUMP.

SPECIFICATION forming part of Letters Patent No. 436,708, dated September 16, 1890.

Application filed March 6, 1890. Serial No. 342,844.' (No model.)

.T0 all whom t may concern.-

Be it known that I, WILLIAM J. HEARN, a citizen of the United States, residing at New York, in the county and State of New York, have invented new and useful Improvements in Pumps, of which the following is a specilication.

This invention relates to an improvement in pulnps; and the invention consists in the details of construction set forth in the following speciication and claims and illustrated in the accompanying drawings, in Which- Figure l is a sectional elevation of a pump, the section being taken along line Fig. 2. Fig. 2 isa section alongline y y, Fig. l. Fig. 3 is a section along line e z, Fig. l. Fig. lis a section along line w w, Fig. 2.

In the drawings, the letterA indicates abarrel in which worksapiston B. The piston-rod C communicates with an actuator, such as alever D. The descent of the piston B allows water or liquid to pass through the upwardlyopeningvalve X ot' the piston, and the ascent of such piston closes the valve X and forces the liquid which has collected above the piston B out through the discharge-openingE. The barrelA communicates by means of a 'pipe F with a vessel or chamber G. In the chamber G rises a tube or pipe II for a certain distance, and said tube H communicates with a lower chamber I. From the lower chamber I a pipe or tube K leads to the fluid which is to be pumped. The tube K is provided with an upwardly-opening valve L.

A cup T sits snugly over the pipe I-I, and said cup can slide on said pipe. A spring Y tends to force the cup T upward. Said cup has an upwardlyopening valve U. This valve U is shown in form of a fiat valve; but any suitable valve-such as a ball-valvemay be substituted.

I n the lower chamber I Inoves a piston WV, having a valve Y. The rod O of the piston is guided near its upper end by passing through the upper part of the cup T and through the valve U. The valve U is capable of a certain motion independent of the cup T. A nut M prevents the valve coming oII the rod O.

Vhen the piston B is forced down, the cup T and piston W descend, opening the valves U Y and closing valve L. I/Vater or iluid in the lower part of chamber I thus passes through valve Y to the upper part of chamber I, and fluid in the cup T passes through valve U into chamber G. The ascent of piston B causes the fluid to pass from chamber G through pipe F into barrel A, while at the same time the spring Vraises the cup T and piston WV so as to close valves U Y and open valve L. Fluid then passes from pipe K into the lower chamberI to replace the fluid which passes from chamber I into pipe II on the rise of piston WV.

The pumping mechanism shown in the drawings is in form of a hand-pump; but of course a steam-pump or any suitable pump mechanism can be used.

By connecting the chambers G I with their contained parts to the pumping mechanism said mechanism is assisted so that the fluid can be raised to a greater height than could be obtained by the unaided pumping mechanism.

What I claim as new, and desire to 'secure by Letters Patent, is

l. The combination, with the puInp--barrel A and piston B, of the upper chamber G, the lower chamber I, the pipe F, connecting the top of the upper chamber with the pumpbarrel, the pipe I-I, rising in the upper chamber, the valved cup T, rising and falling on the pipe in the lower chamber, a spring V, surrounding the pipe and cup Within the upper chamber and bearing against the cup to elevate the same, a valved piston W in the lower chamber, the piston-rod O, and valved tube K, substantially as described.

2. The combination, with apumping mechanism, of the upper chamber having its top end connected with the pumping Inechanism, the lower chamber connected to the upper chamber, the pipe rising from the lower chamber, the cup moving vertically on the pipe in ing from the lower chamber, substantially as xo the upper chamber, the spring surrounding described.

the pipe and cup within the upper chamber In testimony whereof I have hereunto set and bearing' against the cup to raise the my hand in the presence of two subscribing same, a valved piston in the lower chamber, witnesses.

a piston-rod extending through the upper end VILLIAM J. I-IEARN. of the cup, a valve rising and falling on and Witnesses: guided by the piston-rod above the cup and WVM. C.V HAUFF,

seating on the latter, and a valved tubeleadv E. F. KASTENHUBER.

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