US1221837A - Water-lift. - Google Patents

Description

C. F. COUVE.

WATER LIFT.

APPUcATmN men AUG. 5. |915.

Patented Apr. 10, 1917.

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C. F. COUVE.

WATER LIFT.

APPLICATION FILED AUM. |915.

Patented Apr. IO, 1917.

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A TOHIVEIS CHARLES FRANKLIN COUVE, 0F AURORA, ILLINOIS.

WATER-LIFT.

Specification of Letters Patent.

Patented Apr. 10, 19'11"?.

Application nled August 5, 1915. Serial' No. 43,791. p

To all/whom t may concern.'

Be it known that I, CHARLESy F. CoUvE, a citizen of the United States, and a resident of Aurora, in the county ot' Kane and State of Illinois, have invented a new and Improved later-Litt, of which the following is a full, clear, and exact description.

My invention relates to means for raising water and comprehends an improved water lii't operated meclianically for thevpurpose of raising water from wells oi' considerable depth.

I seek to produce an apparatus ot' the type just mentioned and having the various parts so' arranged as to present a minimum of liability to get out of order and particularly while working under considerable pressui-es.-

My apparatus consists of two main parts, one ot which I designate acon-troller and the other asa pneumatically operated? pump. The controller is placed above the groundv and comprises a plurality of cylinders containing iioats which are lifted alternately by their' buoyancy and the action ot a liquid which rises and falls under pneumatic control also a pneumatic valve for controlling the air supply and shifting the float thereof andl mechanism controllable by means of the iloat for actuating the pneumatic valve.

' The pump, which is placed in a well or the like, is operated by pressure of air from the controller, and raises the water from the well.

-Reference is made to the accompanying drawings forming` a part ot this specification and in which like letters indicate like parts.

Figure 1 a front view of the controller mechanism, the pneumatic valve appearing` in section and the' other parts in elevation;

Fig. 2 is a section on the line 2 2 ot Fig. 1,v looking inthe direction of the arrows;

Fig. 3 is a fragmentary section showing the upper portion ofthe pump mechanism which is disposed within the well casing;

Fig. d is a fragmentary view, partly in section,.and partly in elevation, showing the lower portion of the pump mechanism, which is located in the well casing;

Fig. 5 is a section on the line 5 5 of Fig. 3, looking in the direction ot' the arrows;

F 6 is a section onA the line 6 6 of Fig. 3, looking in the direction of the arrows;

Fig. 7 is a section on the line 7 7 ont Fig. 3,` looking in the direction ot' the arrows;

Fig. 8 is a section on the line 8 8 ot Fig. 4l, lookin-g in the direction of the ar- 6o rows;

Fig. 9 is a section on the line 9 9 of Fig.

ll, looking in the direction of the arrows;

Fig. 10 is a vertical section showing. both the controller mechanism and the pump 55 and Fig. 11 is a perspective view of the valve shutter. A

. I will first describe the controller mechan-isni,y as shown in- Figs. 1 and 2. A; top 70 plate appears at 13, a bottomE plate at 14, and a number of tie rods 15 extending from the top plate to the bottom plate, these parts thus constituting a framework. The tie rods are secured by nuts 1G'. lThe top plate 75 13 serves as a plattform upon which various parts are mounted. Extending' upwardly from this platform and secured thereto is a standard 17 which, because of its position,

I designate as a middle standard. Located 80 upon opposite sides ott-he middle .standardY are two side standards 13, eachv of which is provided with a horizontally disposed portion 19 serving as a guide. Two large metallic cylinders are shown at 20 and 21 85 and are located between the top plate 13 and the bottom plate 14. Guide rods 22, 23 extend through the top plate 13 and into the cylinders 20 and 21. These gui-de rods also extend through the horizontally disposed 9G portions19 of the side standards 18, and are adapted to be moved vertically. The guide rod 22 carries a pin 2l, and the guide rod 23 carries a pin rlhe guide rod 22 is mounted upon a iioat 26 and movablel there- 95 with. Similarly, the guide rod 23 is mounted upon and is movable with a` i'loa't 27. Secured to the lower ends of the respective floats 26 and 27 are two guide rods 28, 29, and these guide rods carry battle plates 30, 3l. The cylinders 20, 21 are provided with partitions 32, 33, which are alike7 the structure'of the partition being shown more particularly in Fig. 2. rl-he partition 33 is provided with a dome 3l and with ports 35 105 extending through this dome. The partition' 33 is further provided with a passage 36 extending into its wall and downwardly so as to communicate with the space below the partition. Extending downwardly from the partitions 32 and 33 are two cylinders 37 and 38.

The weight of the controller mechanism rests upon legs 39. Supported rigidly upon the middle standard 17 is a member 40, which is the core of the main pneumatic valve. This core is provided with a number of portholes 41, 42, 43, 44, 45, 46, 47 and 48. A-cap 49 is mounted upon the core 40 and covers the same. A valve shutter 50 engages the face of the core 40 and is partly cut away, as indicated in Fig. 1, in order to cover Vand uncover the various portholes as the valve shutter is rocked into different positions. For this purpose, a rocking shaft 51 is provided. This rocking shaft has a square end 51au which is secured rigidly to the valve shutter 50. Mounted rigidly upon the rocking shaft 51 is a rocking lever 52 carrying lugs 53, 54. A pair of hook levers 55, 56 are journaled upon the middle standard 17 and provided with hooks 57, 58 for engaging the lugs 53, 54. Pivotally connected with the respective hook Vlevers v55, 56, and extending upwardly from the same are two links 59, 60, these links at their upper ends being pivotally connected with two levers 61, 62, and these levers being journaledupon the respective standards 18. An air inlet pipe is shown at 63 and is connected rigidly with the core 40 in such a manner as to communicate with the porthole 41 at all times, as may be understood from Fig. 2. A number of air pipes are shown at 64, 65, 66, 67, 68, 69, and these pipes communicate respectively with the portholes 42, 43, 44, 46, 47 and 48. The porthole 45 is not connected with any of these pipes but communicates directly with the atmosphere as may be understood from Fig. 2. Two valve chests 70, 71, exactly alike, are mounted adjacent the upper end 0'1"' the cylinders 20 and 21. The internal construction of the valve chest 71 is shown at Vthe right of Fig. 2. A throttle V piston 72 is movably mounted within this A of the piston.

" valve chest and a. boss 73 serves as a limiting stop for preventing excessive upward travel The pipe 64 communicates with the valve chest 71 through a port 74. -Two other pipes 7 5, 76 communicate directly with the valve chest, as shown more particularly in Figs. 1 and 2. The valve chest 71 is provided with a passage 76a for equalizing air pressure above and below the throttle piston 72 under certain conditions, as hereinafter described. The pipe is provided with a hand valve 77 for regulating the speed at which the controller works. The

pipe 75 is connected with a T 78 and extending below this T is a pipe 79 which 'leads downward to the partition 33 and communicates with the port 36. Thepipes 76 and 6.5 are connected to a T 80a and extending downwardly from this T is a pipe 80, the

latter extending a distance into the well and serving as one of the air pipes' thereof. A

similar air pipe 81 is connected with the valve chest'70 by a pipe 82 and a T 822 A pipe 83 is connected with the valve chest 70 and is provided with a hand valve 84. This pipe is connected with a T 85, the latter being in communication with the air pipe 67. A pipe 86 is connected with the T 85 and extends downwardly from it to the partition 32 where its connection is analogous to that between the pipe 79 and the partition 33, as shown in Fig. 2. The well casing is shown at 87 and may be of very great length as this apparatus is sometimes used in wells of very great depth. Located within the well casing 87 is a well cylinder 88, the upper end of which carries a head 89. This head is provided with a collar 90 into which fits a pipe 91. This pipe is the water discharge pipe of the well-that is, the water main through which the water is raised from the well. Loosely mounted within the well cylinder 88 is a float 92, a cross section ol which may be seen in Fig. 5. This float is provided with a cylindrical inner wall 92L and is further provided with a pair oil-guide grooves 93 through which the air pipes 8() and 81 extend. By this arrangement the hollow fioat 92 is always guided and maintained in proper position befitting its use. Secured rigidly upon the lower end oi the water discharge pipe 91 is a valve fixture 94 provided with a. valve chamber Secured rigidly `to the valve fixture 94 and extending across the valve chamber 95 is a bridge 96. A passage 97 communicates with the valve chamber 95, and the valve fixture 94 contains another passage 98, which, however, is not directly connected with either the valve chamber 95 or the passage 97. The. fioat 92 tends to rest upon the upper end of the valve fixture 94, so as to close the upper end of the passage 98. The passages 97 and 98 have each, in cross section, a substantially semi-cylindrical form, as may be understood from Fig. 6. The valve fixture 94 carries a removable valve seat 99 of substantially annular form, and also a removable guide 100 and a removable bushing 101. The three parts last mentioned are rendered removable in order to facilitate assembling of the various parts and also for replacing them when worn out. Owing to the presence of the passages 97, 98 and the valve chamber 95, the middle portion ot' the valve fixture 94 is cut away so as to leave a skeleton member 102, as indicated in Fig. 3. A check virtually part of the water discharge pipe.

. and 106.

1522115837 ill.

A cylinder 106 is secured' upon the lower end o1 the valve )fixture 94 and loca/ted within a: concentric tube ot thel well cylinder 88. A. hollow float 107 adapted toserve as a valve member' is located within the cylinder 106. Secured rigidly to the lower end ot the water pipe is a valve iixture 108 which is providedl with a: valve chamber 109. A valve seat 110 is removably mounted within thev valve Iixture 108. A check valve 111` is located within one valve chamber 109 vand is provided with a valve stem 112. This valve stem extends through a bridgel 113 and also engages the lower middle portionA of the valvey fixture 108. The check valve 111 is adapted to open and close a passage 115. The general form of the valve iixture 108 may be understood from Fig. 7. Located below the valve iixture 108 and secured to the lower end of the well cylinder 88 is another val-ve lixture 116. This valve fixture carries a spider 117 and a check valve 118, which is guided and held in position by this spider. The valve ixture 116 is provided .with a valve chamber 119 and mounted within the latter is a check valve 120. rlfhe val've lixture 116 is further' provided with a passage 121 ot the form shown in Fig. 3. A spider 122k is mounted within the lower end ot` the valve iixture 116 and serves as a guide for the stem of the check valve 120. The valve chamber 119 communicates with a port 123, the latter being inl communication with the space between the cylinders 88 rllhe .check valve 118- opens and closes a passage 124 with which the valve fixture 116 is provided and which communicates with the passage 121. Secured to the lower end of the valve fixture 116 is a. water pipe 125 which virtually forms another continuation ot the discharge pipe or water main. This pipe 125 may be of considerable length and is shown partly at the bottom or' Fig. 3 and partly at the top of Fig. 4, the mechanism appearing in Fig. 4 being below that shown in Fig. 3. The lower end of the pipe 125 is connected' to a: collar 126,

the latter being carried by a head 127. This' head closes the upper end of a cylinder 128. fr hollow ioat is shown at 129' and is located within the cylinder 128. The air pipe 80 extends through the head 127 of the cylinder 128, as indicated in' Fig. 4, and there terminates. The air pipe 81, however, extends iiarther downward, as may be understood from Fig. 4. Below the float 129 is a valve fixture 130 which is provided with a small passage 131 extending through'it from top to bottom. |The valve ii-xture 130 provided with an inlet port 132 through which the water ot the well' may enter. The valve fixture further provided' with af passage 133 and with a check valve 134 for controlling communication between the passage 133 and thev port 132. The valve lixture 130 is also provided' with a passage 135 serving to some extent as a valve chamber, and located within this passage is a valve member 136 carried by a valve stem 139. A valve seat 137 having an annular form is removably mounted within the valve iixture 130 between the passzugeV 133 and the port 132. A check valve 134 normally rests upon this valve seat. A passage 1372l communicartes with vertically disposed passages 138, the; latter leading upwardly to the passage 135, als may' be understood from Fig. 8. Mounted rigi'dlyupon the lower end of the valve ixture 130v is a cylinder 140. Located within this cylinder and concentric with the same is ay pipe 141 which is also secured to the lower end of the valve fixture 130. A hollow iioat 152, having the general form of a cylinder and also having aV function as a valve, is located within the cylinder and encircles the pipe 141. SecuredI to the lower end of the cylinder 140 is an inlet head 142 which carries a spider 143. A check valve 144 guided by this spider is carried by the head 142 and is adapted to open and close a passage 145 through its head. A'. valve' ixture 146 is connected by thread 147 with the lower end of the water pipe section 141. The valve lixture 146 is provided with a number ot' passages 148'- ot a form which may be readily understood from Fig. 9. These passages 148 communicate with a: passage 149, the latter having substantiallyT a disk shape. controls communication between the passage 149` and aY passage 151. the latter communicating directly with the lower end of the pipe sectionV 14'1.

It will be noticedv that the air pipes 80 andI 81 extendv to different distances into the well, as may be understood from Fig. 4. The air pipe SOterniinates at the upper end ot the cylinder 128, while the air pipe 81 extends into' engagement with the valve fixture 130 and communicates with the passage'131. ln all wells, whether deep or shallow7 the parts shown in Fig. 4 are employed, but in shallow wells the mechanism shown in Fig. 3 is not essential. For very deep wells the mechanism appearing in` Fig. 3 may be duplicated, that is, two or more sets of this mechanism may be arranged one over the other.

VVlit-hin each ot the cylinders 20, 21, used above ground and form-ing parts ot the tubular mechanism, I have placed a quantity of a non-freezing liquid, preferably alcohol. This liquid is to all intents and purposes a part or the operating mechanism of the controller and has nothing to do with the water or other liquid to be raised 'from the well.A

ll will now describe the action of the controller meohanismz' The air inlet pipe 63 being connected with asuitable-source of compressed air, the hand valves 77 and 84 'f A check valve 150- are turned so asto be opened wholly or partially, depending upon the speed at which the controller is to be operated. Assuming that at the starting, the movable parts are in the respective positions indicated for vthem in Figs. 1 and 2, I will trace the cycle .of operations which will now take place: Owing to the engagement of the hook 58 with the lug 54 and the consequent position assumed by the movable valve shutter 50, the portholes 41 and 48 now communicate with each other; the portholes 42, 46 and 47 are closed; and the portholes 44 and 43 are in communication with the porthole 45, which in turn is in open communication with the atmosphere; therefore, the pipes 65 and 66 virtually communicate with the atmosphere, whereas the air flowing in through the pipe 63 passes freely into the pipe 69 and thus `into the valve chest 70 where it raises the valve piston 72 and passes downwardly through the pipes 81 and 86. The air thus discharged from the pipe 86 passes into the lower end of the cylinder 20 where it accumulates between the cylinder 37 and the lower portion ofthe cylinder 20. It, therefore, displaces most of Vthe non-freezing liquid which is thus pressed upwardly through the cylinder 37 and ports corresponding to the ports 35, shown in Fig. 2, the liquid flowing upwardly against the baffle plate 3() and inding its way around this plate to accumulate above the partition 32, and as it rises in depth the float 26 is lifted. The raising of the float 26 causes the guide rod 22 to move bodily upward and j this motion is continued until the pin 24 engages the adjacent end of the lever 62. This done, the link60, by pulling upwardly upon the hook lever 56, disengages the hook 58 from the lug 54. This leaves the rocking lever 52 free to rock in a clockwise direction according to Fig. 1, and this rocking movement is accomplished by the descent of the Hoat 27 within the cylinder 21 and the consequent lowering of the guide rod 23 so as to swing the pin 25 against the adjacent portion of the rocking lever 52. The descent of the float 27, causing this movement, is due to the fact that the non-freezing liquid located above the partition 33 now flows downwardly, below this partition, and downwardly through the tube 38, so that the level of the liquid inside and outside of the cylinder 38 tends to equalize. The reason why this movement of the liquid takes place is that the air, heretofore located'between the cylinders 38 and 21, and below the partition 33, is now free' to esca-pe `upwardly through the pipes 79, 66 and the portholes 44 and 45, into the atmosphere. Y

As the air Hows downwardly through the pipe 81 and into `the well, air is also pressing upwardly from the well through the pipe 80. This airdoes not passthrough` the throttle valve chest 71 for t-he reason that the valve piston is now in its lowermost position and consequently exhaust air coming up from the well is merely bypassed from the well cylinder through the pipe 65.

Air exhausts very quickly from the controller after the liquid which is being raised has been elevated suiiiciently to cause the rocking lever 52 to be tripped, thus allowing the float 26 (or 27 as the case may be) to drop abruptly, so as to carry with it the rocking lever 52.

Whenever the piston within the throttle valve chest 71 is up, the piston in the throttle valve chest is down, and air is exhausting from the pipe 81 through the T 82n into the pipe 68, thence through the port 47 of the main valve to the port 45, from which it makes its escape directly into the atmosphere.

Whenever the controlling cylinder is exhausting, air passes from the pipe 86 into the T 85, whence it flows into the pipe 67 to port 46 and from this port to the port 45, whence it escapes into the atmosphere.

The throttle mechanism is so arranged as to stop the action of the controller whenever the flow of water is shut olf by action of the end valves used for this purpose. When the flow of water is thus shut olf, the air pressure within the well cylinders becomes the same as the air pressure in the pipes 69 and 64, theair pressure being thus equalized, the throttle pistons drop to the lower limit of their travel, and the air pressure upon the piston becomes equalized owing to the action of the port 7 6u. Whenever the throttle pistons are down the How of air to the controller is thereby stopped.

Vhenever air escapes from the pipe 81, it also escapes from the pipe 86 for the reason that whenever the porthole 46 is open, the porthole 47 is also open. There are always two ports in communication with the port 45. lVhenever the float 27 ascends and reaches an elevation sufiiciently high to bring the pin 25 into engagement with the lever 61, the hook 57 is raised until it is disengaged from the lug 53 on the rocking lever 52. This allows the float 26 to drop abruptly.

By analogous action of the parts, when the float 26 ascends, it ultimately causes the float 27 to drop abruptly.

I will now describe the action of the pump-that is, the mechanism located below the upper surface of the earth. The water enters at the bottom through the opening 145 and also through the opening 132, which is located some distance above the bottom.

I will assume that there is no air below the surface of the water and that the upper level of the water may be at any point above the opening 132.

Suppose next air is passing downwardly through the pipe 81. A portion of this air enters the cylinder' 88, being discharged through the opening 812L in the pipe 81. The water contained in the cylinder 88 causes the float valve 92 to clear the aperture 98. The pressure of air admitted into the upper portion of the cylinder 88 causes the water contained within this cylinder to pass through the passage 98 and upwardly past the check valve 103 into the disch arge pipe 91, which it follows upwardly to the surface of the earth and is then discharged. A portion of the air passing downwardly through the air pipe is fed to the valve fixture 130 and passes through the port 131 thereof into the upper portion of the cylinder 140. rlhis air being under considerable pressure displaces the water contained within the cylinder 140 and causes it to pass downwardly through the passage 148, then through the passage 149 and upwardly past the check valve 150, and then through the passage 151 into the discharge pipe section 141. l rom here the water passes into the passage section 137% then upwardly through the passage 138 (see Fig. 8), then over the check valve 136 without disturbing this valve, and through the passage 135 into the discharge pipe section 125. The water travels upwardly through the spider 122 to the valve Xture 108, passing downwardly through the passage 114 and upwardly through the passage 115 and it lifts the check valve 111 and passes upwardly into the discharge pipe section 105.

Suppose no-w that the action of the controller be reversed as above described, so much so that air is forced downwardly through the pipe instead of the air pipe 81. A portion of the air thus passing downwardly the pipe 8O is discharged through the port 80EL into the upper portion of the cylinder 106, and another portion of the air is discharged from the lower end of the air pipe 80 into the upper portion of the cylinder 128. A portion of the air enters the upper end o-f the cylinder 106 and the water contained within this cylinder is displaced by the air and passes downwardly through the passage 114 then upwardly through its passage 115, past the check valve 111, through the passage 109 and into the discharge pipe section 105. Thence the water passes through the passage 97, valve chamber 95, into the upper portion of the discharge pipe 91 which leads up to the surface of the earth, as elsewhere described. The displacement of water within the cylinder 128, due to the entrance of air thereinto fro-1n the lower end of the air pipe 80, causes the water to pass `from the cylinder 128 downwardly through the passage 133, then ,upwardly past the check valve 136, through the passage 135 and into the discharge pipe section 125, thence the water passes the spider 122 and goes through the passages 121 and 124 into the cylinder 106, thence it follows the passages 114 and 115 and 109 into the pipe section 105. From here it goes through l the passage 97 and 95 into the discharge pipe 91 whence it makes its escape. 1f there be in the well an accumulation of water having sufficient pressure to raise the check;l valve 134, the water enters the opening 132 into the passage 133 and thence passes upwardly into the cylinder 128. Also at the bottom of the well the water enters through the opening 145, passing by the check valve 144. Water thus flows into the well at two points and this may take place either while the controller is in action or while it is idle, the difference being` that when the water flows in during the operation of the controller the iiow is intermittent.

The oats 107, 92, 129 and 152 are emergency floats., Their purpose is to close the water discharging pipes in order to prevent air from {iowing through the same as might otherwise take place in instances where the controller has been adjusted to operate very slowly. The floats in question descend as water is pressed out and in descending they close the ports 114, 148, 98 and 133.

rllhese ioats are not absolutely essential and are only recommended for pumps which are operated by inexperienced workmen.

After each displacement of water made by the air as above described, the air used for the displacement passes upwardly, through the air pipe 80 or 81, as the case may be, and makes ,its escape through the port 45 of the main valve of the controller to enter the atmosphere. l

The pipe section 125 may be of any desired length commensurate with the depth of the well.

1 do not limit myself to the precise construction shown, as variation may be made therefrom without departing from the spirit of my invention.

Having thus described my invention, 1 claim as new and desire to secure by Letters Patent:

1. 1n a water lifter, the combination of a pneumatic pump to be located in a well, and mechanism located above the surface of the earth for supplying compressed air alternately to different portions of said pump, so that one portion is discharging while another portion is being filled with water, the said mechanism including a plurality of cylinders, oats within said cylinders, a pneumatic valve'for controlling the air sup ply and shifting the floats alternately, a rocking shaft connected with said valve for actuating the same, a rocking lever connected rigidly to said rocking shaft, hook levers for holding the rocking lever Ain different positions, and connections from each of said floats to one of said hook levers and to the rocking lever for actuating said valve.

2.`In a controlling apparatus for operating a Water lift, the combination of a valve core provided with a. number of ports, one

of said ports being an inlet port and anotherbeing a discharge port, a shutter engaging said core and adapted to open and close some of said ports without interfering with the action of said inlet port and said discharge port, a rocking shaft connected with said shutter for actuating the same, a rocking lever connected rigidly to said rocking sha ft and provided With lugs,hook levers provided with hooks for engaging said lugs in order to hold said rocking lever in different positions, a plurality of float mechanisms, connections from each of said float mechanisms to one of said hook levers and to one end of said rocking lever for the purpose of enabling said float mechanisms to control the rocking of said rocking lever and said shutter,V throttle valves connected pneumatically to said lstationary core and communicating with said ports thereof, said throttle valves being controllable by air passing through .some of said ports, and air pipes connected with said .throttle valves and extending into a well for'the purpose of displacing water therein.

3. A controller for operating water lifts comprising a stationary core provided with a number of ports, one of said ports being an inlet port and another an exhaust port, a pipe for supplying air to said inlet port, a shutter engaging said stationary core and movable relatively thereto, said shutter having such form as to control the opening and closing of some of said ports when said shutter is moved into different positions, a rocking shaft connected with said shutter, a rocking lever connected with the said shaft, hook levers for engaging the rocking lever to hold the same inl different positions, and float mechanisms including vertically movable guide rods for controlling the hook levers and the rocking lever, valve chests, connections from some of said ports to some of said valve chests, sliding valves mounted Within said valve chests, and an air pipe connected with each of said valve chests and extending into a Well, said air pipes being controllableY by said sliding valves within said valve chests;

4. ln a controlling mechanism of the character described,the combination of a pneumatic valve, a rocking lever for actuating said valve, a cylinder, a float mounted with in said cylinder, connections from said float to said rocking lever for enabling movements of the float to actuate said valve, a

`partition mounted Within said cylinder and provided with ports, a second cylinder smaller than said irstmentioned cylinder mounted upon. said partition and extending downwardly therefrom, means controllable by said valve for discharging air into said first-'mentioned cylinder at a point below said partition so as to displace a liquid therein contained and to cause said liquid to pass through said second mentioned cylinder and said ports, a float mounted within said first mentioned cylinder and controllable by said liquid, and connections from said ioat to said valve.

5. In a pump, the combination of a well casing, a longitudinal member mounted therein and having the general form of a cylinder, said longitudinal member being divided into compartments, valve fixtures located Within said longitudinal member and normally separating said compartments, means for admitting a liquid into the different compartments of said longitudinal member, air pipes extending downward within the cylinder and having ports in their walls opening into some of said compartments, the terminals of said pipes leading to other compartments, the terminal of one of the air pipes opening into the upper part of a compartment, and the terminal of the other air pipe extending downward below the terminal of the first mentioned air pipe and communicating through a port in one of said valve fixtures with another compartment, and mechanism for alternately admitting charges of air through said pipes into some of the compartments in order to displace charges of Water from said compartments.

6. In a pump, the combination of a well casing, a longitudinal member mounted within said well casing and provided with a plurality of compartments, valve fixtures carried by said longitudinal member and provided with valves controlling communication between said compartments thereof, means for admitting a liquid into two of saidl compartments, one of said valve fixtures having a port leading therethrough and communicating with one of the last mentioned compartments, an air pipe having its terminal connected with said port to admit air to said compartment, an air pipe having its terminal leading to the other of said last mentioned compartments, and mechanism for applying air pressure to said pipes for displacing alternately the volumes of Water contained respectively Within said last mentioned compartments.

7 In a pump, the combination of a well casing, a longitudinal member mounted therein and provided with a plurality of compartments, valve fixtures carried by said longitudinal member, and provided with valves controlling communication from one of said compartments to another, air inlet pipes located within said longitudinal member and each provided With a discharge port and a discharge terminal for discharging airinto a plurality of said compartments simultaneously in order to displace water therefrom, one of said valve fixtures having a port leading therethrough, the terminal of one of said pipes being connected With said valve fixture and communicating through said port, with the compartment, and mechanism for applying air pressure to -said air inlet pipes one at a time in a different orderof succession.

8. In a pump, the combination of a well casing, a cylindrical member mounted Within the Well casing and provided with a plurality of compartments, valve fixtures carried by said cylindrical member and provided With valves contro-lling communication from one of said compartments: to another, air inlet pipes located Within said cylindrical member and each provided with a discharge port, and a discharge terminal for discharging air into a plurality of said compartments simultaneously in order to displace Water therefrom, Water discharge pipe sections connected with the valve fixtures, one of said valve fixtures having a passage leading therethrough, the terminal of one of said air pipes being connected With the upper end of said passage and communicating through the said passage with a compartment, the said valve fixture being providedl With an inlet port through Which the Water of the Well may enter.

9. In a pump, the combination of a cylindrical member to be mounted Within a Well casing, a valve fixture mounted Within said cylindrical member and provided with a valve chamber and with passages communileating with said valve chamber, a check valve mounted Within said valve chamber, a valve 'seat of substantially annular form removably mounted Within said valve fixture and adapted to be engaged by said valve, a guide member below the valve seat detachably connected with said valve fixture and provided With means for guiding said valve, a removable bushing in the valve fixture be- Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents low the said guide member, and a discharge pipe section secured to the bushing and extendingv downwardly therefrom.

l0. In a pump, the combination of a cylinder, a pair of air inlet pipes locatedwithin said cylinder, a discharge Water pipe sec-- tion located Within said cylinder and concentric relatively to the cylinder, and a float having a substantially cylindrical form, said float encircling said discharge pipe and being provided with grooves through Which said air inlet pipes extend in order to enable said air inlet pipes to guide said fioat.

11. In a pump, the combination of a cylinder, a pair of air inlet pipes located Within said cylinder, a discharge Water pipe section located Within said cylinder, a valvey fixture connected with said pipe section and through which the Water passes to the discharge pipe section, a fioat encircling said discharge pipe section and having guided movement on the said air inlet pipes, the said float forming a controlling valve for the said valve fixture.

12. In a device of the character described, the combination of a cylinder, means for forcing Water through said cylinder, a valve fixture mounted Within said cylinder and provided with a number of passages located parallel With each other, said valve fixture being further provided With a single passage into which the lower ends of all of said first mentioned passages merge, and a check valve carried by said valve fixture above said mentioned passage for opening and closing communication therewith.

In testimony whereof I have signed myo name to this specification in the presence of tivo subscribing witnesses.

CHARLES FRANKLIN COUVE.

"Witnesses:

O. C. ADAMS, JEROME A. IVAREHAM.

Washington, D. C.

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