US364068A - warth - Google Patents

Description

(No Model.) 3 I Sheets-Sheet 1.

A. WARTH.

PUMP. I

No. 364,068, Patented May 3l, 1887.

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(No Model.)

3 Sheets-Sheet 2, A. WAR'TH PUMP.

Patented May 31, 1887.

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(No Model.)

3 Sheets-Sheet 3. A. WARTH.

PUMP. No. 364,068. fi' Patented May 31, 1887.

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lUNITED STATES PATENT OFFICE.

ALBIN VARTH, OF STAPLETON, NEV YORK.y

PUMP.

SPECIFICATION forming part of Letters Patent No. 364,068, dated May 31, 1887.

Application tiled September 24, 1885. Serial No. 178,070. (No model.)

To all whom it may concern:-

-Be it known that I, ALBIN WARTH, a citizen of the United States, residing at Stapleton, in the county of Richmond and State of New York, have invented new and useful Improvements in Pumps, of which the following is a specification. y

This invention consists in an improvement l in pumps, as more fully Set forth in the following specification and claims, and illustrated in the accompanying` drawings, in which- Figure lis a plan or top view, partly in section. Fig. 2 is a longitudinal section in the plane m x, Fig. l1. Fig. 3 is a similar section in the plane yy, Fig. l. Fig. 4 is a transverse section in the plane z z, Fig. 1. Fig. 5 is a section in the plane indicated by thelineao x', Fig. 4, looking in the direction of arrow 1 opposite that line. saine plane looking in the direction of arrow 2. Fig. 7 is a transverse section in the plane y y', Fig. 4.

Similar letters indicate corresponding parts.

I n the drawings, the letter A designates the pump-cylinder, and B is the plunger fitted into said cylinder. C is the valve-chamber, andD is the valve. As-shown in the example in the drawings, the valve-chamber can be made in the form of a cylinder, and the valve composed of two pistons, a a', mounted at a suitable distance apart upon the -same stem. Other valves, such as a disk-valve or plugvalve, may be substituted for the double piston-valve. The cylinderAcommunicateswith the valve-chamber C through ports b b', and the valve-chamber is provided with three ports, c c' 0*, the ports c c being in communication with the suction-pipe E, and the port tionary. It will be readily seen that for thispurpose a large number of different devices 'may be used, and I do not wish to confine myself to cert-ain specific mechanism for the purpose above stated; but I prefer to use mechanism such as illustrated in Figs. l to 6, in-

elusive, which enables me to impart to the Fig. 6 is a section in the plunger B a stroke of any desired length, as will be seen from the following description.

The rod G of the plunger B is connected to a carriageor sliding rack-bar, H, which moves in guides I Iii. The guide I is formed in a standard secured to the bed-plate of the pu mp, The guide I I is loosely` Figs. 1, 3, and 4. inserted in a rotating head, K, which will be hereinafter referred to. Tothe rack-bar H an intermittent reciprocating motion is imparted by a cogwheel, L, mounted on the shaft M. This shaft has its bearings in the head K, which head is litted into a standard, N, Fig. 4, so that the head can turn in said standard. The head K has secured to it a tube, K*, which has itsbearings in the standard O. Through the tube K`i extends the driving-shaft l?.

On the shaftP is mounted a pinion, d, which gears into a pinion, e, mounted on a shaft, f. The shaft f has its bearings in the head K and is geared together with 'the shaft M by cogwheels g h. The shafts M andf are'mounted eccentrically in the head K, Figs. 5 and 6, while the driving-shaft P is concentric with said head.

On the tube Kitis firmly mounted a cog wheel, i, which gears into a cog-wheel, j, mounted loosely on a stud, k, and provided with an eccentric wrist-pin, Z, whichconnects by a rod, m, with a lever, n, Figs. 1 and 2.

This lever extends from a sleeve, o, which con nects by a link, r, with the valve-rod Q.

On the head K are stops s s', which co-op erate with a movable stop, R, extending from a rock-shaft, t, which is mounted in lugs u,

secured to the bed-plate of the pump. A`

spring, o, Fig. 2, has a tendency to throw the stop It into the path of the stops s s', and as long as one of these stops abuts against said stop R the head K is prevented from rotating in the direction of the arrow marked on it in Fig. 2. On the-rock`shaft t is firmly mountedk IOO port or channel b into the space between the two pistons a a and into the discharge-pipe F, Fig. 2. At .the same time liquid passes from the suction-pipe through channels or ports c b, Figs. 1 and 2, into the pump-cylinder behind the plunger. When the sliding rack-barbas reached the outer end of its stroke it is arrested by the nose f2* striking against the stop g, Fig. 1. A corresponding nose, f2, arrests the motion of the rackbar in the opposite direction. p i

During the movement of the rack-bar in the direction of arrow 2 the cam b2, Fig. 3, which is attached to the rack-bar, and which is roofshaped and provided with a iiat apex, acts on the lever a2, and when the ilat apex of said cam arrives over the tip of the lever the rockshaft thas been turned far enough to th row the stop R down clear of the stop s, -which up to that time has rested against the end of said stop R, thereby preventing the head K from turning. As soon as the stop R has been depressed, as above stated, the head K turns very little-that is to say, as far as the dead motion between the teeth of the cog-wheel L and the rack-bar H will permitand the stop s is brought to overlap the front end of the stop R far enough to prevent said lever from rising until the rack-bar reaches the position shown in Fig. 7. At this point the rack-bar remains stationary, but the cog-wheel L is in position to turn round the end of the rack-bar from the position shown in full lines to t-hat shown indotted lines. This movelnent is eiected by .a semi-revolution of the head K, which at that point, being free to turn, follows the movement produced by the action of the pinion d upon the pinion e, which is ineccentric, so that the pinion d acts upon it as upon a crank, Figs. 4 and 5. As soon as the head K turns in the direction of the arrow shown thereon in Fig. 2 the stop s is moved away from the stop R, and this stop is raised by the spring c, so that it catches the opposite stop, s', of the head K and prevents the latter from turning beyond one hundred and eighty degrees. By the semirevolution of the head K and sleeve K* the valve D is changed through the action of the pinion 'i on the pinion j. As soon as the cogwheel L has passed around the end of the rackba-r the return-stroke of the plunger commences, and is completed in the same manner as the stroke already described.

Instead of arresting the stroke of the head K by the movable stop R and stopss s', I can use ,a dog, l, which swings loosely on the shaft M, Figs. 3, 4, and 7, and bears upon the sliding rack-bar H. When this rack-bar has been moved to one end of its stroke, Fig. 7, the cogwheel L turns round the end of the rack-bar until the dog Z2 bears upon the opposite surface of the rack -baryas Aindicated in dotted lines in Fig. 7. During the time the wheel L passes round the end of the rack-bar H the head K is free to revolve; but as soon as the dog l' is brought to bear upon one of the surfaces of the rack-bar the movement of the head out through the discharge-pipe.

K is stopped. lf the driving-shaft P is turned in the direction opposite to arrow l, Fig. 1, the pipe F becomes the suction-pipe and the pipe E the delivery-pipe. In this case the movable stop R will be brought into action.

AAs shown'in Figs. 1 and 2, the valve D can be made to work in a lining, 0, which lining is made of metal or other suitable material, and which lining is firmly secured in the valvecylinder or valve-chamber 0. The lining 0 is shown as being provided with three setsof openings, t t tik. The openings t communicate with the channel b. The openings t communicate with the channel b. The openings t* communicate with the port cf. The lining 0 prevents wear of the valve-chamber 0, and when said lining 0 is worn out or injured it can be removed or replaced by another lining.

The holes t t tif are preferably made so small that they prevent any material entering the valve-chamber which would be likely to interfere with the operation of the valve D, and the packing of the valve D, which often may be soft or yielding, is kept from eatchin or tearing, as the lining 0 allows the valve?) to move or slide easily, and the holes in the lining 0 are so small that the packing of the valve D cannot strike ortear against the edges ofthe holes t t ti.

The Valve-chamber 0 can be connected with the pump cylinder, B by bolts or screws, Vso that said valve-chamber Crean be readily attached to or detached from the apparatus. The holes t t t* are shown as of oblong shape; but of course they can be madev of any suitable shape-as, for example, circular, square, or any other suitable form. The valve-chamber 0 should be placed beneath or at the side of the pump cylinder, so that in case sand or sediment or any heavy impurities are in the' pump-cylinder A said sand or sediment or impurities will fall or be driven by the action of the mechanism through the channels b b and The action of the mechanism is thus not liable to become checked byimpurities becoming fixed in the pumpeylinder, which might occur if the dis-A charge were placed on the top of the pumpcylinder.

If desired, the cog-wheels ij and the eccen IOO IlO

tric wrist-pin Z can be dispensed with and an eccentric can be properly mounted on thetube or sleeve Kl, and by connecting such eccentric with the valve the movements of the eccentric will operate the valve.

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

1. The combination, with the pump-cylinder and the piston fitted therein, of a pump-valve, a driving-shaft, P, head K, loosely connected to said shaft, connection, substantially as herein described, between the head K and the pump-valve, sliding rack-bar H, connected to the pump-piston, a train of gears for transmitting motion from the driving-shaft to the rack-bar, and a movable stop controlled by the motion of the rack-bar and constructed to retain and to release the head K, substantially as set forth. N

2.. T he combination, with the pump-cylinder and the piston fitted therein, of the rack-bar H, connected to the pump-piston, the drivingshaft P, a train of gears for transmitting motion from the driving-shaft to the rack-bar, the pump-valve, the head K, loosely connected to the driving-shaft, and connecting mechanism for transmitting motion from the headK to the pump-valve during the time when the rackbar remains stationary, substantially as set forth.

3. The combination, with thepnmp-cylinder and the piston tted therein, of the rack-bar H, connected to the pump-piston and provided with stops or noses f2 fw, the driving-shaft P, a train of gears for transmitting motion from the driving-shaft to the raclcbar, the pumpvalve, the head K, loosely connected to the driving-shaft, and connecting mechanism for transmitting motion from the head K to the the pump-valve, the head K, loosely connected' to the driving-shaft, gear-wheels i j, connecting with the head K, an eccentric Wrist-pin on one of said gearwhee1s, and connection between said Wrist-pin andthe pumpyalve, substantially as set forth.

In testimony whereof I have hereunto set my hand and seal in the presence of two subscribing witnesses.

ALBIN WAnT-H. [Le] 1 1Witnesses:

D. VAN SANTvooRn, W. G. HAUFF.

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