US1521628A

US1521628A - Hydraulic valve

Info

Publication number: US1521628A
Application number: US697577A
Authority: US
Inventors: Chesney L Jones
Original assignee: Individual
Current assignee: Individual
Priority date: 1924-03-07
Filing date: 1924-03-07
Publication date: 1925-01-06
Anticipated expiration: 1942-01-06

Description

Jan. 6. 1925. 1,521,628

' c. JONES HYDRAULIC VALVE Filed March 1924 2 Sheets-Sheet '1 Era- 37;

l o 11524.29 0 "I: 0

Jan. 6. 1925.

C. L. JONES HYDRAULIC VALVE 2 Sheets-Sheet 2 Filed March 1924 avwentoz Uzesne /L (762095 1 2x 4 Patented Jan. 6,1925,

err-E r or ies.

CHESNEY L. JONES, OF PATERSOII, NE'W EEIRSEY.

HYDRAULIC VALVE.

Application filed March 7, 1924.- Serial No. 687,577.

or rams of'presses or it may be used for other purposes; and the objectof the invention is to provide a valve device which is so constructed in units as to permit of the coupling of one or more valve units together; a further object being to provide a valve device which will provide for increased press speed over other types of valves of this class now employed, and which will be absolute in its control and which will readily govern the operation of the press without shock or strain to the equipment thereof; a further object being to provide ports or passages in the valve of greater area than the pipes or other communications coupled with said valve; a still further object being to provide improved means for sealing the cylinder in the valve casing as well as for sealing the piston or pistons in said cylinder to avoid the leakage or by pass'oi' water around the pistons and cylinder; and with these and other objects in view, the invention consists in a valve device of the class and for the purpose specilied, which issimplein construction and operation, and efficientin use and which is constructed and operated as hereinafter described and claimed. r

The invention is fully disclosed in the following specification, of which the accompanying drawing forms a part, in which the separate parts of my improvement are des .ignated by suitable reference characters in each of the views. and in which F'g. 1 is a sectional view through a dual. v-alve'constructionimade in accordance with my invention and showing predetermined mechanisms 'in full lines andin section and I ,Fig. 3 is a plan View oi"; the construction,

inafter set out.

of said bores.

shown in Fig. 1011 a reduced scale and showing certain details of construction not shown in Fig. l. r

In the accompanying drawing, 1 have shown for the purpose of illustrating one use of my invention, two substantially simi-. lar valve bodies Sand 5 boltedtogether. as shown at 6. The valve 'body 5 is provided with an intake port 7 for the supply of water underpredetermined pressure to the valve and with a port 8 which leads to the press for actuating the ram thereof, blocks 9 being provided for coupling intake dis,

charge pipes

10 and 11 respectively with the ports 7 and 8. The valve body 5 is also provided with another port 12 which communicates with a similar port 13 inpthe valve body 5 when the valve bodies are coupled together. The ports 12 and 13 form a bypass passage for placing the-separate valve bodies in communication as herevided with a port 14 which also leads to or is coupled with the .press through the discharge pipe 15 similar to the pipe .11,'and a duced at one end as shown at 19. YVaste pipes 20 are 'mo'unted in connection with caps 21 on said ends of thervalzve bodies and communicate with the reduced portions 19 The other end portion of the valve bodies 5 and 5 are-provided withannular recesses 22 having ports23 which open outwardly through said valve bodies. The

bores 18 are also provided with annular chambers 23 and Qtywith which the. ports The valve body 5 is .p-ro- 712 and Srespectively communicate .in the valve body 5, while the ports 1316 and ll communicate respectively with said chambers of the valve body 5.

Mounted within the bores 18 of the separate valve bodies are tubular cylinders i25, one end portion of which abuts-thepiston stops 2 ocated. juxt position toitherc shown in Fig. l of the drawing and the plates 2'? are provided with central bores 29 having glands 30, and passed through and movable in the bores and stufling boxes are the shafts 3t of pistons The pistons 32 in the construction shown are each composed of two piston heads 33 and 34 coupled toby a reduced shank portion 35, and

gether one of the complete pistons is clearly shown in Fig. l oi the drawing.

The cylinders are provided in the periphery thereof and at spaced intewals longitudinally of said cylinders with packing ring grooves 36, one groove being preferably located at either side of the

chambers

23 and 24 and placed in these grooves are endless rings composed of leather or similar mate rial. At the base of the grooves 36 are smaller grooves 38 preferably located cen trally of the grooves 36 and a plurality of apertures 39 spaced circumterentially of the cylinders 25 are so arranged or formed as to communicate with the grooves 38 and the

chambers

23 and 24, thus placing said chambers in communication with the grooves 38 in back ot the rings 37 mounted in the ring grooves 36. The cylinders are also provided at one end with a plurality of circumterentially spaced apertures 40 which are adapted to register with. the recesses 22. The cylinders are provided with two sets 41 and 42 of elongated apertures spaced cirrumitereutially t said cylinders and which register with the

chambers

23 and 24 respectively, and while I have shown this specific formation of the apertures 41 and 42 it will he understood that any form or apertures or arrangement thereof for placing the interior of the cylinders in communication with the

chambers

23 and 24 may be provided. 7

' The piston heads 33 and 34 are each provided with two ring grooves 43 similar in shape and construction to the ring grooves 36 and inwhich packing rings 44. are mounted. said rings being composed of leather or simila material. and the bores which communicate with the grooves 43 in both of the piston heads 33 and 34 are directed to ward the reduced shank ot the piston or into the chamber formed between said shank and the cylinder wall. 7

Split rings 46 are mounted in the grooves 28 of the plates 27 and carry a radially extending arm 4'? with which is connected a link 48. and a lever 49 is pivotally mounted in connection with the free end of the piston shaft 31 as shown at 50 and is also pivoted to the link 48 as shown at 51 and by means of this construe-tion the piston may be moved longitudinally of the cylinder. Only one of the lever constructions are shown in Fig. 3 of the accompanying drawing, but it will be understood that both of the pistons will be provided with similar levers or two or more pistons may be actuated through one lever mechanism if desired.

As hereinbetore stated, it will be under stood that one or more of the valve bodies may be employed in connection with a predetermined apparatus but in the drawing as the positions of the pistons are shown in "he separate valve bodies 5 and 5 water will enter the valve body 5 from the portion '7 and from the chamber 23 therein will pass to the chamber 23 of the valve body 5 from the ports 12 and 13 and from said last named chamber into the cylinder 25 through the ports 41 in said cylinder, thence out through the ports 42 in the last named cy1inder and into the pipe 15 through the chamber 24 and port. 14 and as the piston 32 in the last named cylinder is in its innermost position the ram of press will be actuated at tull speed, but by moving the piston outardly the speed may be decreased at the will of the operator and the flow of water throttled through the ports 41 and 42. To shut oft the supply ot water, the piston within the cylinder of the valve body 5 is moved into position to seal the apertures 42 in said cylinder. in directing the flow of water to the pipe 11 through the port 8, the piston 3:2 in the valve bodyb will be moved into its innermost position or in any desired position to control and regulate the desired pres: speed. in which a predetermined area ot the ports 42 is uncovered. In this operation. it will be apparent that the piston'32 in the valve body 5* will be moved into a position similar to the'position ot the'piston 82 in the valve body as shown in Fig. 1 of the drawing. It will also be understood that both pistons may be moved and retained in a position similar to the position of the piston shown in the body 5 in 1 of the drawing in the operation of two or more presses.

In the above operation of the valve, it will. be understood that the water under pressure enters the apertures 39 as well as the apertures 45 whereby said water is admitted into recesses back of the rings 37 and 44. which operation causes the expansion of said rings against the walls of the cylinder to provide a seal preventing the leakage o't water between the periphery'of the cylinder and the valve body in which it is mounted and also to effecting a perfect sealing of the piston heads in the cylinders in their operation.

It will be understood that the waste water in the pipes 11 and 15 or ports 8 and 14 will be discharged through the waste pipes 20 and in the event of the presence of water o a d y of the p ston heads 34 in the Hill , lateness designed to relieve any pressure in the 'cyl- 'inders in the==event of a leakage by thepiston Lhea'ds should anyof the packing rings thereof become "worn out or b'e of ifanlty construction. It will be noted that the Spaces betweenthegrOovesAES in the piston heads 33 is greater than the length of the apertures 42 in the cylinder,"whereby/said apertures or ports in'the cylinder may be entirely sealed when desired, by properly positioning the piston heads 33 ther over. It will also be noted that the area Oiftdll-Of the ports in the cylinder 'is greaterthan the area of the connecting pipes, and by reason of this construction 1 eliminate the friction losses which is common in the present type of valve constructions, thus providing tor an increased press speed, and due to the simplicity of the device, position, action and ease of control is experienced in the use of said valves. I

It is also preferred that the chambers 22 in the valve bodies 5 and 5 be placed in communication with the waste pipes .20 this being accomplished-by small 'tnbi-ngs 52 in communication with said discharge ports and said pipes as shown in Fig 1 of the drawing and these ipipes are omitted in Figs. 2 andB of the drawing The purpose of coupling the two water discharging means ofthe bodies 5 and 5 is to equalize pressure in the opposite end portions 0'1": the c inders, "in the discharge of'water through the waste pipes 20, thus producing a balancing elte'ct on'the pistons in the separate cylinders.

Having fully described any inventicm,

what I claim as new and desire tose'cure by Letters Patent, is: a

1. A device of the class described comprising two substantially similar "valve bodies, cylinders HIOHHtQCl in said bodies, pistons in said cylinders, one-of said valve" bodies being provided with an intake port and both of sa-id'valve bodies being provided with discharge ports, interconnnunieating ports in the separate "valve bodies, and said cylinders being por'redto register with the separateports oi the valve bodies.

2. A device "of the class described comprising two 'siibstantially similar valve bod- Lies, cylinders mounted in said"bodies,'=pi tons in said cylinders, one or said valve bodies being provided with an intake "port andv both of said valve bodies being provided with discharge ports, 'intercommuniating ports in the separate valve bodies,

said cylinders being ported to' register with the separate ports of the valve bodies, and the areas of the cylinder ports being greater than the area of "the ports in the valve bodies.

d ice "Qttli la des r d m" prising two substantially similar valve hodies, cylinders mounted in said bodies, pistons in said cylinders, 'one of i said valve bodies being provided with :an intake :port and bothiof said valve bodies bein'gpro- 'vided with discharge ports, lHtGFCOHIIIltHlleating ports in the separate valve bodies, said cylinders being ported to register with the separaite ports of :the valve bodies, the 2 areas of thecyli-nder ports being. greater than the area of the ports :in the valve bodies :and

the body ports and cylinder iports being placed 'in communication through chambers formed between said valve bodies and cylinders. I

a A deviceof the class described comprising 'tavo substantially similar valve bod ies, cylinders mounted in said bodies, pis tons in said cylinders, one of said z'va lve bodies being provided with an i-ntakel port and both of said valve bodies leeing prolded with discharge ports, lnterconnnunieating ports in the separate "valve bodies, said cylinders being ported to register with the separate ports of the valve bodies, the] areas of the-cylinder port-sibelng greater than *theareaoi the ports in the valve bodies, the

body ports and cylinder ports being placed 1 n 'coin!nunicationthrough chambers formed between said valve bodies and cylinders,

and means disposed at the opposite sides of said chambers for preventing leakage between the valve bodies and cylinders around the said chambers; I r

A device of the class described comprising twosubstantially sinrilar valve bod ies,-c y l*inders mounted in said bodies, "pistons in said cylinders, one of said valve bodies being provided with anintake port and both of said valve bodies being p'rovided With discharge ports, intercon'imnnicating ports in the separate valve b()Cl'18S,'St1Cl CYlIIICiGlS being {ported to register Wit-l1 the separate ports of the valve -bodies, the areas of the cyhnc'ler ports 'being greater "than the area of the ports in the va lve' bodies, the body ports-and cylinder ports being placed in-"communication through (El-numbers formed between said valve bodies and cylinders,

and means;disposed at the opposite sides of said chambers for preventing leakage be,

' tween the valve bodies and cylinders around the said chambers, said means comprising continuous packingaingls and ports placing the back of said rings "incommunication -w1th said chambers.

"(5. A device of the class described compris- "in'g two --subst=antially similar -valve bodies,

-both of said valvebodiesbeing provided with discharge ports, '1n'terconnnunicat111g ports in the separate valve bodies, saidcylnders being ported to -regrets1'" 'Wlth the separate ports of the valve bodies, the areas of the cylinder ports being greater than the area of the ports in the valve bodies, the body ports and cylinder portsbeing placed in communication through chambers 7 cylinders mounted in said bodies, pistons in said cylinders, one of said valve bodies being provided with an intake port and both of said valve bodies being provided with discharge ports, intercommunicating ports in the separate valve bodies, said cyl- 'inders being ported to register with the separate ports of the valve bodies, the areas of the cylinder ports being greater than the areaof the ports in the valve bodies, the body ports and cylinder ports being placed in communication through chambers formed between said valve bodies and cylinders, means disposed at the opposite sides of said chambers for preventing leakage between the valve bodies and cylinders around the said chambers, said means comprising continuous packing rings and ports placing the back of said rings in communication with said chambers, the movement of the pistons in the separate cylinders controlling said intake and discharge ports, and waste pipes in communication with one end of said cylinders. I

8. A device of the class described comprisingtwo substantially similar valve bodies, cylinders mounted in said bodies, pistons in said cylinders, one of said valve bodies being provided with an intake port and both of said valve bodies being provided with discharge ports, intercommunicating ports in the separate valve bodies, said cyl inders being ported to register with the separate ports of the valve bodies, the areas of the cylinder ports being greater than the area of the ports in the valve bodies, the body ports and cylinder ports being placed incommunication through chambers formed between said valve bodies and cylinders, means disposedat the'opposite sides of said chambers for preventing leakage between the valve bodies and cylinders around the said chambers, said'means comprising continuous packing rings and ports placing .the back of said rings in communicatlon with said chambers, the movement of the pistons in the separate cylinders controlling said intake and discharge ports, waste pipes in communication with one end of said cyl- .in'ders, and means for relieving the pres sure in the other ends of the cylinders.

9. In a valve of the class described comprising a body, a cylinder mounted in said body, communicating ports in said body and cylinder, said ports being placed in communication through an enlarged chamber, and said cylinder being provided in the periphery thereof and at the opposite sides of said chamber with ring grooves having annular recesses at the base thereof, and ports for placing said recesses in comniunication with said chamber.

10. In a device of the class described provided with a cylinder and a member mounted to reciprocate therein, means for sealing said member comprising a continuous an: nular ring mounted in a groove. in th riphery of said member, the base of said groove being recessed and said member being provided with apertures opening outwardly through said member and communieating with said recess whereby prevailing pressure around said member will operate to retain said ring in firm engagement with the cylinder wall. I

11. In a device of the class described provided with a cylinder and a member mounted to reciprocate therein, means for sealing said member comprising a continuous annular ring mounted in a groove in the periphery of said member, the base of said groove being recessed and said member being provided with apertures opening outwardly through said member and communicating with said recess whereby prevailing pressure around said member will operate to retain said ring in firm engagement with the cylinder wall, and said ring being composed of fibrous material.

12. In a device of the class described comprising a body, a cylinder mounted in said body, said cylinder being provided on the periphery thereof with spaced and circumferential grooves, sealing units adapted to be mounted in the grooves of said cylinder to affect a seal between the cylinder and said body, said cylinder being provided inwardly of the sealing units with circumferential grooves of lesstransverse dimeir sions than said units, and means for eXposing said last named grooves and the inner faces of said sealing unitsto the prevailing pressure in the cylinder to retain the outer faces of said sealing units in firm engagement with said body.

13. In a device of the class described comprising a body, a cylinder the periphery of which is provided in spaced relation longitudinally of the cylinder with annular ring grooves, fibrous sealing rings fashioned to fit snugly in said grooves, annular chambers formed in said cylinder within the inner fa s of said rings andof less transverse di mensions than the corresponding dimensions of said rings, and means for exposing said chambers and the inner faces of said rings .to the prevailing pressure in the cylinder to retain the outer faces of said rings in connection with said body.

14. In a Valve of the class described comprising a body, a cylinder mounted in said body, communicating ports in said body and cylinder, said ports being placed in communication through an enlarged chamher, a plurality of sealing rings mounted in grooves formed in the cylinder at the opposite sides of said chamber, and means involving annular grooves located inwardly;

as my invention, I have signed my name-in presence of the subscribing witnesses this.

29th day of February, 1924.

CHESNEY L. JONES. Witnesses:

CHARLES B. VAUGHAN,

ANDREW KNAUS.

In testimony that I claim the foregoing