US2132084A - Pump - Google Patents

Description

Oct. 4, 1938.

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D. J. REISS Filed July 6, 1957 PUMP 5 Sheets-Sheet l In uentor z wxzz Afiomcus Filed July 6, 1937 D. J. REISS 5 Sheets-Sheet 2 Inventor Ba V/ZZ J 1319/55 B? imaai fih Attorneys Oct. 4, 1938.

D. J. REISS PUMP Filed Jul}, 6, 195'? 5 Sheets-Sheet 3 Inventor flaw/a5 1 26/35 Altarnew D. J. REISS PUMP Filed July 6, 1957 Oct. 4, 1938.

5 Sheets-Sheet 4 Inventor fia w'ci 1/71? 6/55 Attorneys D. J REISS PUMP 5 Sheets-Shet 5 Filed July 6, 1957 Inven 0r flaw/ti Ji s/:95 By QM 4015- A itorneys Patented Oct. 4, 1938 UNITED STATES PATENT OFFICE 2 Claims.

This invention appertains to new and useful improvements in well pumps and more particularly to a pump of the fluid pressure type whereby fluid can be lifted from wells in a cheap and efllcient manner.

The principal object of the invention is to provide a fluid pressure operated pump which is of simple construction and not susceptible to the ready development of defects.

Another important object of the invention is to provide a pump which is positive acting, wherein mechanical details are reduced to a minimum.

These and various other important objects and advantages of the invention will become apparent to the reader of the following specification.

In the drawings:-

Figure 1 represents a side elevational view of p the assembly.

Figure 2 is a side elevational view of the assembly looking directly toward the supply valve.

Figure 3 is a longitudinal sectional view.

Figure 4 is a horizontal sectional view on the line H of Figure 3.

Figure 5 is a horizontal sectional view on the line 55 of Figure 3.

Figure 6 is a horizontal sectional view on the line 6-6 of Figure 3.

Figure '7 is a horizontal sectional view on the line 1-1 of Figure 3.

Figure 8 is a longitudinal sectional view through the intermediate section of the assembly.

Figure 9 is a side elevational view of the piston assembly.

Figure 10 is a fragmentary longitudinal sectional view through the intermediate section of the assembly with the mechanical parts shown.

Figure 11 is a fragmentary side elevational view of the upper section of the assembly with details removed.

Figure 12 is a sectional view through one of the couplings.

Figure 13 is a sectional view through the packing flange cap of one of the couplings, v

Figure 14 is a fragmentary side elevational view of the stationary barrel. 4

Figure 15 is a side elevational view, partly in section showing the guide head of the stationary barrel.

Figure 16 is a side elevational view, partly in section showing the valve means.

Referring to the drawings wherein like numerals designate like parts, it can be seen that the assembly is made up of the intermediate section generally referred to by the numeral 5, the upper section 6 and the lower section 1. Couplings generally referred to by numerals 8 and 9 are provided at the ends of the intermediate section 6 for connecting the ends thereto.

Each of these couplings consists of a cylindrical 6 body Ill having a circumferentially disposed shoulder II for interposition between the corresponding shell sections and also provided with the threaded portions |2-|3 for engagement into the adjacent shell sections, each of these coul0 plings having the bore H for receiving the piston sleeve IS on which the piston head I6 is located and also with the counterbore defining a pocket for the packing material |8. This with the internally threaded cap I9 engaged over the 1|! reduced threaded portion 20 defines a packing gland at each of the couplings for the said piston tube l6. This piston tube is disposed around the stationary tube 2| which has its upper end threadedly engaged into the header 22 at the 20 upper end of the section 6. This header 22 being provided with a laterally disposed leg 23 having the opening 24 therein for receiving the trip rod 25 which is provided with the trip collars 26-2| thereon at opposite sides of the laterally disposed 25 arm 26 which projects from the collar 29 on the upper end of the piston tube l5. This arm 28 has an opening therein for receiving the trip rod .25, the lower end of the trip rod 25 being" threadedly engaged as at 36 into the upper valve 30 piston 3|. This piston operates in thevalve shell 32 which extends longitudinally of the intermediate section 5 and has the inlet 33 at its mid-point. Also operative in the piston shell 32,- is the valve piston 34 and these pistons 3|34 35 are connected by the rod 35.

The upper and lower ends of the valve shell 32 communicate with the interior of the section 5 through ports 36-31, below and above the couplings 8-9, respectively, and at opposite sides of the piston head l6 of the traveling piston shell l5, which operates in the section 5.

It can be seen in Figures 3 and 14, that the stationary tube 2| has a packing ring 38 at its lower end against which the piston tube l5 rides- A valve seat 39 is provided in the lower end 0! the stationary tube 2| and against this is seatable the valve 46.

The lower end of the piston tube 5 has the removable seat ll therein and with this is engageo able the valve 42. 1

It can be seen, that as air or gas under pressure is admitted to the valve shell 32, the valve piston 3| will be lifted so as to uncover the port 36. Fluid will exert its force against the piston head IS in a downward direction, forcing the piston tube I downwardly so as to lower the valve 42 into the fluid of the well. Obviously, as the lower end of the tube I5 is forced downwardly into the fluid of the well it will open, admitting the fluid to be elevated into the lower portion thereof.

Reverse operation of the valve structure will cause the admitted fluid to enter under the piston head It and raise the piston tube i5 which, of course, results in the closing of the valve 42 and the opening of the valve lll as the fluid in the lower portion of the tube l5 rises into the stationary tube 2|. As the flrst cycle begins to repeat and the tube l5 lowers, the valve 40 will close dropping fluid in the stationary shell 2|, as the lower valve 42 opens to admit fluid of the well into the lower portion of the piston tube l5.

While the foregoing specification sets forth the invention in speciflc terms, it is to be understood that numerous changes in the shape, size and materials may be resorted to without departing from the spirit andscope. of the invention as claimed hereinafter.

What is claimed is:-

1. A well pump comprising a stationary tube provided with a check valve in the lower portion thereof, a piston tube slidably disposed on the stationary tube and having its lower end depending below the valved end of the stationary tube,

the lower end of the piston tube provided with a check valve therein, a chamber surrounding the said piston tube, a piston head on the piston tube. operative in the said chamber, and a fluid pressure control for the said piston head, said control 5 consisting of a valve shell on the side of the chamber having ports communicating the interior of the shell with the interior of the chamber at opposite sides of the piston head, and valve pistons operative in the said shell. l0

2. A well pump comprising a stationary tube provided with a check valve in the lower portion thereof, a piston tube slidably disposed on the stationary tube and having its lower end depending below the valved end of the stationary tube, 15

valve pistons operative in the said shell, and trip 25 means between the valve pistons and the piston tube whereby the piston tube operates to set the said valve pistons.

DAVID J. REISS.

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