US1025878A - Pump. - Google Patents

Description

T. B; MARTIN.

PUMP.

APPLICATION FILED SEPT. 6, 1911.

Patented May 7, 1912.

UNITED STATES PATENT OFFICE.

THOMAS B. MARTIN, or rEXIoo, NEW MEXICO.

PUMP.

To all whom it may concern Be it known that I, THOMAS E. MARTIN, a citizen of the United States, residing at Texico, in the county of Curry and State of New Mexico, have invented new and useful Improvements in Pumps, of which the following is a specification.

This invention relates to certain novel and useful improvements in pumps and has particular application to a pump adapted especially for lifting water from deep wells.

In carrying out my invention, it is my purpose to provide a pump which will embody the desired features of simplicity, efficiency, durability and reliability, and by means of which the water may be continuously lifted or pumped from a comparatively small deep well.

With the above-recited objects and others of a similar nature in view, the invention consists in the construction, combination and arrangement of parts, set forth in and falling within the scope of the appended claims. 1

In the accompanying drawing :Figure l is a vertical longitudinal sectional view taken through a pump embodying my invention. Fig. 2 is a horizontal cross sec tional view taken on the line 2-2 of Fig. 1. Fig. 3 is a similar view taken on the line 83 of Fig. 1.

In the present instance, have shown a double-acting pump of one preferred form of my invention, the latter having particular application to the construction of the working barrel of the pump.

Referring now to the accompanying drawing in detail, the numeral 1 indicates the well casing within which is located what, for the sake of convenience, I have termed the outer cylinder shown at 2, the lower portion of said cylinder being closed as at 3.

The numeral 4 indicates an inside cylinder which is enveloped by the outside cylinder 2, said inside cylinder being open at the top and bottom as at 5 and 6, respectively. The outside cylinder is provided above the inside cylinder with a conical or reduced portion 7, leading to the discharge pipe 8, the latter having the branch or T- discharge 9 communicating therewith. It will be noted that at its upper end or at the top of the conical section the outer tube is of substantially the same dimensions in cross diameter as the inner tube or cylinder. It will, of course, be understood that the two Specification of Letters Patent.

Application filed September 6, 1911.

Patented May '7, 1912. Serial No. 647,825.

cylinders are submerged in the body of water in the well. At the bottom of the working barrel, I provide four lateral or side openings or passageways 10, each of which is controlled by a valve formed of a stopper or plate section 11 and a stem 12, said stem being supported in the bar or strip 13, which is perforated to permit the passage of the stem while 14 indicates a tension spring surrounding the stem of the valve between the bar and the end 15 of the stem, said spring normally tending to hold the valves in closed position. The bottom opening 6 of the inside cylinder is controlled by means of the plate or disk valve 16, the stem 17 of which passes through an opening in the bar 18, extending transversely of the opening 6, while 19 indicates a tension spring for drawing the valve in closed position. Near the top of the working barrel, the outer and inner cylinders are in communication through the medium of four lateral openings or passageways 20, each of which is controlled by a plate valve or disk 21, the stem 22 of each valve being tensioned by the spring 23, said stem passing through bars 24. The side valves at the top and bottom form discharge valves and are all similar in construction.

The numeral 25 designates a plunger rod, the lower end of which extends into the inner cylinder and carries the piston or plunger head 26. This rod 25 passes through a collar 27 at the top of the inner cylinder, while hinged to said collar at 28 are the four flap valves 29 which are designed to open upwardly by pressure eX- erted on the under side thereof as the water passes through the openings in the valve on the upward movement of the piston, While upon the downward movement of the piston water pressure from above assisted by gravity shuts the four flaps of the valves thus keeping the water from going back into the cylinder.

From the description thus far given, it

will be seen that I employ a pump having two cylinders, the outer cylinder being longer than the inner one, while the latter is open at each end and is provided with four openings in the side thereof adjacent to each end, said openings alining with similar openings in the outside cylinder. The intake valves, four at each end control the communication between the two cylinders at these openings, while valves are also employed at the top and bottom of the inner cylinder.

From the above description, taken in connection wit-h the accompanying drawings, the construction and operation of my improved working valve will be readily apparent. As the piston rises in the cylinder, the lower discharge valve closes and the water flows in through the intake valves at the sides of the cylinder near the lower end thereof. As the piston descends, the upper discharge valve closes and the water flows in through the four intake valves in the sides of the cylinders near the top thereof and discharges out at the bottom to form side valves, the Water in discharging from the inside cylinder passing up in the discharge pipe.

In the construction of my pump, the combined area of the opening of four of the intake valves at the sides is substantially equal to the cross area of the inside cylinder so that friction is avoided. It will be seen that I have provided an exceedingly simple and efficient form of pump which is especially adapted for small, deep wells. While I have herein shown and described one particular embodiment of my invention, I wish it to be understood that I do not confine myself to all the precise details of construct-ion herein set forth, as modification and variation may be made without departing from the spirit of the invent-ion or exceeding the scope of the appended claims.

I claim 1. In a pump, the combination with a casing, of an outside cylinder arranged therein and closed at its bottom, an inside cylinder Within the outside cylinder, said inside cylinder being open at the top and bottom and having openings in the sides thereof and alining with similar openings in the outside cylinder, a valve controlling the opening at the bottom of the inside cylinder, valves cont-rolling the side passages between the outside and inside cylinders, a piston moving in the inside cylinder, a flap valve controlling the opening at the top of the inside cylinder, and a discharge pipe leading from the cylinders.

2. In a pump, the combination with a casing, an outside cylinder located therein and having a closed bottom, an inside cylinder within the outside cylinder and open at the top and bottom thereof, a spring tensioned disk valve controlling the opening at the bottom of the inside cylinder, a flap valve composed of hinged sections controlling the opening at the top of the inside cylinder, spring tensioned valves arranged at the sides of the inside cylinder and controlling lateral passageways between the inside and outside cylinders, a reciprocating plunger working in the inside cylinder, and a discharge pipe leading from the cylinder.

3. In a pump, the combination with a casing thereof, of an outside cylinder having a closed bottom portion, a cylinder within the outer cylinder and spaced apart therefrom having an open top and bottom end, a valve closing the opening at the bottom of the inside cylinder, and a flap valve comprising a plurality of hinged sections opening upwardly and controlling the opening at the top of the inside cylinder, said inside and outside cylinders having lateral openings in the sides thereof near the top and bottom, and valves controlling the side openings, each of saiclralves comprising a disk member, and a stem connected to the disk member, a bar supporting the stem, and a spring surrounding the stem for tensioning the valves, a plunger working in the inside cylinder, a conical reduced extension at the top of the outside cylinder, and a discharge pipe connected to said extension.

In testimony whereof I atiix my signature in presence of two witnesses.

THOMAS B. MARTIN.

Witnesses G. 0. SMITH, M. M. CRAIG.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.

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