US1285629A - Hydraulic ram. - Google Patents

Description

F. c. cnowa. HYDRAULIC RAM. APPLICATION FILED APR- 30} 19W.

Patnted Nov. 26,1918.

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HYDRAULIC RAM.

APPLICATION FILED APR. 30. I918.

Patented Nov. 26, 1.918.

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UNITED STATES PATEN OFFICE;

FREDERICK C. CROWE, OF NORTH YAKIMA, WASHINGTO N, ASSIGNOR TO HENRY W.

COOLIDGE, OF CHICAGO, ILLINOIS.

HYDRAULIC RAM.

"Specification of Letters Patent. Patented N V. 26, 1918.

Application filed April 30, 1918. Serial No. 231,625.

To all whom it may concern:

Be it known that I, FREDERICK O. CRowE, a. citizen of the United States, residing at North Yakima, in the county of Yakima and State of Washington, have invented certain new and useful Improvements in Hydraulic Rams, of which the following is a specification.

This invention relates to new and useful improvements in hydraulic rams and the principal. object isto provide a'simple and efficient device-of this character with an improved valve construction.

. A further object of the invention resides in providing an impetus valveoperating on an inclined track way whichiscapable of being adjusted tov accommodate various pres A still further object of the invention resides in providing a removable plate at the end; of the ram chamber to which the in- -clinedtrack way is pivotally connected, the plate being adjustable to dispose the track way to various angles, with respectto the bottom wall of thechamber. v

With these and other objects in view my inventionconsists in the novel features of construction, comblnatlon and arrangement of parts as will be hereinafter referred to and more particularly pointed out in the specification and claims.

In the accompanying drawings forming a part of this application parts; i

Fig. 3 is a front elevation thereof; Fig. 4 is a perspective viewof the spring member, its support and the buffer carried thereby and Fig.5 arperspective view of the inclined track way removed.

In describing the invention, I shall refer to the drawings in which similar reference characters designate corresponding parts throughout the several views and in which 1 designates a reservoir, the water from which is adapted to flow downwardly through a downwardly inclined supply pipe 2, the latter connecting with a tubular extension?) of acasting 4, the latter forming what may be termed-the ram. chamber proper. TlllS, casting maybe mounted on a base or pedestal as seat 10 in which is positionedv a packing 11 whichis adapted to receive thereagainstf a ball valve 12 which operates in the chamber 4. Pivotally secured to the inner face of the plate 6 as shown at 13 is a track member '14 which is designed concave-convex and designed to receive said ball valve therein. The track member is so pivoted withrespect to the plate ,and. the bottom. wall. of the chamber that the same is inclined as clearly shown in. Fig. 2 of the drawings and the lower free end of .the samev operates in 1a groove or guide way 15. formed inthe bottom wall of said chamber. Theball valve 12 is normally positionedat thelower end of the channel- 'shaped track 14, but is adapted to be directed upwardly thereon by pressure of'water entering the chamber through the supply pipe '2 and thus be directed against the valv seat 10. In order to provide a cushioning means for the ball'valve and the seat and also afford means for assisting .theball valve to return to its initial position when pressure is released therefrom, a yielding bufier or the like is provided. To this end an adjustable arm 16, is carried on one side-of the chamber 4, the outer; end thereof having a leaf-spring member 17 secured theret0.. The free end of the leaf-spring member 17 terminates inialinement with the opening 9 in the plate 6 and adjustably secured to the outer end of said leaf-spring member by means of a set screw 18 isa buffer 19 which is designed concavo-convex to conform to the outline of the ball valve 12.

The casting 4 has an upper outlet, extension 20 to which is secured an'airor equalizing chamber 21 and leading from this extension 20 is a delivery pipe 22.

Positioned in the extension 20 just. below the entrance of the delivery pipe ;2,2;t hereto is. a partitionwall orthe. like2e which isprovided with valve seats 24:. Discharge or check valves 25 of the ball type are positioned on the member 23 to be seated in said valve seats and the cages 26 are provided therefor.

The operation of the machine is as follows :As the water flows from the reservoir 1 through the pipe 2 to the chamber 4, the same gains considerable velocity and pressure, due to the fact that the valve 12 is normally in its open position with respect to the valve seat 10. As the pressure and velocity increases, the same will become sufliciently great to roll the ball valve 12 up the inclined track 14, seating the ball and thus stopping the flow of water through the opening pipe 6. The water flowing through the pipe and into the chamber with such pressure and momentum seeks another outlet, which it finds through the check or discharge valves positioned in the extension 20. The water flowing through these latter valves enters the air or equalizing chamber and thence through the delivery pipe 22 and it may be here stated that the air in the chamber 21 acts as a cushion to the sudden inflow of water to maintain substantially a constant pressure in the chamber and a steady flow through the delivery pipe.

When all the energy of the moving column of water is used in forcing water into the air chamber, the pressure in the chamber tends to start a back-flow similar to the oscillations in a U-tnbe. This instantly closes the check valves 25, retaining the water pumped and the tendency to back-flow together with the sudden closing of the check valve causes a momentary reduction of pressure in the ram chamber 4: which allows the ball valve 12 to roll down the inclined track 14 to its initial position, thus opening the waste opening 9. The water is now free to flow as before and the cycle is completed.

From the foregoing it will be seen that I have provided a simple and efiicient hydraulic ram which is inexpensive to manufacture, extremely durable in construction and one which will be most efiicient in carrying out the purposes for hich the same is designed.

While I have particularly described the elements best adapted to perform the functions set forth, it is obvious that various changes in the form, proportion and in the minor details of construction may be resorted to, without departing from the spirit or sacrificing any of the principles of the invention.

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

1. In a hydraulic ram, a casting designed to form a chamber and having an inlet and a pair of outlet ports therein, means to supply water to the chamber, check valves in connection with one of the outlets of the chamber, a ball valve in the chamber for cooperation with the other outlet thereof, and an inclined trackway for the last mentioned valve.

2. In a hydraulic ram, a casting designed to form a chamber and provided with an inlet and. a pair of outlet ports, means to sup ply water to said chamber, valve seats formed in the outlet ports, check valves arranged in the seats of one of said outlet ports, a ball valve disposed in the chamber to cooperate with the valve seat in the other outlet port, and an adjustable inclined track Way for said ball valve.

3. In a hydraulic ram, a casting designed to form a chamber and provided with an inlet and a pair of outlet ports, means to supply ater to the chamber, said outlet ports being provided with valve seats, check valves arranged in the seats of one outlet port, a ball valve in said chamber adapted to cooperate with the valve seat in the other outlet port, an inclined track way for said ball valve leading to the last-mentioned valve seat, and means for adjusting the degree of inclination of said track way.

4C. In a hydraulic ram, a casting designed to form a chamber and provided with an inlet and a pair of outlet ports, check-valves in connection with one of said outlet ports, the other outlet port being provided with a valve seat, a ball valve in said chamber adapted to cooperate with said valve seat, an inclined track way for said ball valve, and a yielding bufi'er in connection with the valve seat for cooperation with said ball valve.

5. In a hydraulic ram, a casting designed to form a chamber and provided with an inlet and a pair of outlet port-s, means to supply water to the inlet port, check valves in connection with one of said outlet ports, a plate secured to the casting and provided with an opening, registering with the other outlet port, a valve seat in connection with said plate, a ball valve in said chamber adapted to cooperate with said valve seat, and an inclined track way for said ball valve leading to said valve seat.

6. In a hydraulic ram, a casting designed to form a chamber and provided with an inlet and a pair of outlet ports, means to sup ply water to the inlet port, check valves in connection with one of said outlet ports, a plate adjustably secured to the casting and having an opening therein registering with the other outlet port, said plate being provided with a valve seat, adjacent the opening therein, a ball valve in said chamber adapted to cooperate with said valve seat, and a track ay pivoted at its one end to said plate and inclined downwardly to rest upon a lower wall of the chamber whereby to guide the ball valve to the valve seat.

7. In a hydraulic ram, a casting designed to form a chamber and provided with an inlet and a pair of outlet ports, means to supply water to the inlet port, check valves in connection with one of said outlet ports, a plate adjustably secured to the casting and having an opening therein registering with the other outlet port, said plate being provided with a valve seat adjacent the opening therein, a ball valve in said chamber adapted to cooperate with said valve seat, a track way pivoted at its outer end to said plate and inclined downwardly within the chamber to form a guide for the ball valve and a yielding bufi'er carried by the casting and projecting in the opening of said plate to cooperate with said ball valve.

let port, in advance of the delivery pipe, a

valve seat arranged at the other outlet port,

a ball valve in said chamber for cooperationv with said valve seat, and an inclined track way for the ball valve leading from within the chamber to the aforesaid valve seat.

In testimony whereof I aflix my signature.

FREDERICK C. OROWE. Witnesses:

WINZEFRED E; HoLMEs, LEILA TRIV'ESS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents Washington, D. 0."

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