US35077A - Improvement in pumps - Google Patents

Description

UNITED STATES PATENT OFFICE.

JAMES BUDD, OF SANDY IIILL, NEW YORK.

IMPROVEMENT IN PUMPS.

Specification forming part of Letters Patent No. 35,077, dated Apri] 29, 1862.

To cLZZ whom 'ZZ may concern:

Be it known that l, JAMES BUDD, of Sandy Ilill, in the county ot Vashington and State oi' New York, have invented a new and usei'ul Improvement in Pumps, designed more especiall y for Fire-Engines; and I do hereby declare that the following is a full, clear, and exact description ofthe same, reference being had to the accompanying drawings, making a part of this specification, in which- Figure l is a vlongitudinal vertical section of my invention, taken in the line 5c, Fig. 2. Fig. 2 is a transverse vertical section of the same, taken in the line y y, Fig. l.

Similar letters of reference indicate Corresponding parts in the two figures.

The object of this invention is to obtain a pump by which water can be drawn simultaneously from two different fountains or reservoirs, or drawn from either separately, as desired, and also ejected simultaneously from two different nozzles or eduction-pipes, or from either separately, and at the same time not involve the necessity' of any complicated arrangement of parts, but one which will admit of the piston being operated by a short stroke and a rapid movement.

To enable those skilled in the ait to fully understand and construct my invention, I will proceed to describe it.

A represents the pump-cylinder, which is in a horizontal position, and B the piston, the rod C of which passes, as usual, through a stuffing-box, D, at one end of the cylinder. The piston B is formed of two parts, L af, of cup form, in each of which a ball-valve, E, is placed, and which when closed cover openings h Z) in the inner sides of the cups. The cups or parts a a of the piston are connected atI a suitable distance apart by curved arms c, which project from a central tube, as shown in Fig. l. F is the induction-pipe,\vliich communicates with the cylinder A at the center of its lower side, and G is a retainingvalve, which is placed in a chamber, G, with which the induction -pipe F communicates, as shown in Fig. 2.

On the upper part of the cylinder A there is placed a valve-chamber, Il, which is divided into two compartments, c e', byavertical centrai partition, f, each compartment beingprovided with a ball-valve, g, both of which are shown in Fig. l. The compartments c ecommunieate at their lower part-s, respectively, with water-passages 71l h', which are divided by a partition, t', and communicate with the ends of the cylinder A.

On the valve-chamber l-l there is placed an air-chamber, I, having a valve, J, at its lower part opening upward. To the upper end of the air-chamber I an eduction-pipe, K, is attached. The upper end of the pipe K communicates with a chamber, L, which has two nozzles, M M', connected with it, one at its upper end and the other at its lower end, and within the chamber L there is placed a valve, N, which has two seats, jj', one being above and the other below the orifice of the pipe K. (See Fig. l.) The stem O of the valve N passes through a stuffing-box, P, at the upper end of the chamber L, so that the valveN maybe adjusted to fit in either seatj or j', or be so adjusted as not to be in Contact with either, in which position it is shown in Fig. l in dark Shading.

Q is a pipe, which also serves as an induction-pipe and communicates with the chamber G', in which a valve, S, is placed, the seat It of which is above the valve G and lower end of the induction-pipe F. The inductionpipe F is continued by connecting an additional length to the lowerend of the chamber G. The valve S is provided with a stem, T, which passes up through a stufingboX,U, on the upper end of the chamber G, and has a nut, V, on its upper part, said nut being provided with two pendent arms, Z Z, which fit in a spiral groove or slot, m, in a cup-shaped ange or projection, W, on the top of chamber G. (See Fig. L The nut, with its arms and the spirally-grooved cup-shaped flange or projection, serves as ameans for raising and lowering the valve S. Other devices, however, may be employed for the purpose.

The operation is as follows: The piston B may be operated by hand or other power, the length of the stroke of the piston being equal to the length of the space between the two parts a a of the same, so that the inductionpipe F will always communicate with the cylinder A between the two parts of the piston, as will be fully understood by referring to Fig. 1. lVhen the piston B is moving in the' direction indicated by the arrow l, the water in cylinder A in front of the piston is forced up through the passage h into the compartment c 'of the valve-chamber H, the valve g rising under the pressure of the water, au d the latter passing up through or around valve J into the air-chamber I, and up through the eduction-pipe K into chamber L, fromwhich, if the' valveN be adj usted midway between its two seats jj', the water will escape through both nozzles M M', and if the valve S in the chamber G' be adjusted down from its seat 7a the water will be drawn through both pipes F' Q, into the pump-cylinder, as indicatedby the arrow 2. W'hen the piston B moves in the opposite direction, as indicated by the arrow 3, the water in the back part of the cylinder A, behind the piston B, which was drawn into it by the previous movement of the piston, is forced up through the passage h' into the chamber e', and thence up through valve lJ into the air-chamber I and through the eduction-pipe K and out of the nozzles M M', the front part of the cylinder A being lled with water during this backward movement of the piston. If it should be desired to draw water through the pipe F' only, the valve S is drawn up against its seat 7c, as shown in red outline, Fig. 2, so as to out off pipe Q from the chamber G', and in case it should be required to draw water through the pipe Q only valve S is lowered in chamber G', so that the lower end of its stem T will bear upon the upper end of the stem of valve G and keep the latter closed, and the water may be forced out of either of the nozzles M or M' by adjusting the valve N against the seat j or j', which forms the communication between the nozzle to be cut off and the chamber L. The valve N may be adjusted in the same way as valve S, or by other suitable means. By the construction of the piston B and its arrangement relatively with the induction-pipe F, as shown, the piston B may be operated with a short stroke and a very rapid movementan important result in a pump designed for a fireengine--and by having the two inductionpipes F' Q connected with the chamber G', provided with the valves .G and S, arranged substantially as shown, to admit of the water being drawn through either or both pipes simultaneously, a great advantage is obtained, for the pump may be supplied from two fountains or reservoirs at diierent heights, the higher one being used until exhausted, and then the supply taken from the lower one, the change being made without the loss of time in shifting and adjusting hose, the valve S only requiring to be adj usted, which may be done in a moment of time. An equal advantage is also obtained bythe arrangement of the two nozzles M M and the valve N, by adjusting which two streams may be thrown from the pump', or one only from either nozzle.

Having thus described my invention,what I claim as new, and desire to secure by Letters Patent, is-

l. The two induction-pipes F' Q, in combination with the chamber G', provided with the valves G S, and all arranged substantially as and for the purpose set forth.

2. The combination and arrangement of the two nozzles M M', chamberv L, and valve N, and eduction-pipe K, substantially as and for the purpose set forth.

- JAMES BUDD. Witnesses:

BENJAMIN FERRIs,

WM. CONGER.

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