US1091210A

US1091210A - Hydrant.

Info

Publication number: US1091210A
Authority: US
Inventors: James G Gauntt
Original assignee: Individual
Current assignee: Individual
Priority date: 1913-04-28
Filing date: 1913-04-28
Publication date: 1914-03-24
Anticipated expiration: 1931-03-24

Description

J. G. GAUNTT.

HYDRANT.

APPLICATION FILED APR.2B, 191s.

1,09 1 ,21 O, Patented Mar. 24, 191% 2 QHEETS-SHEET 1.

WIT/V5555 James 6. Gaumf WZ I I A TTORNEY.

" TED STATES "PATIENT oFFronf JAMES G. GAU TT, or SYRACUSE, NEW YORK:

To all whom it may concern Be it known that 1, JAMES G. GAUNTT, a citizen of the United States, residing at Syracuse, in the county of Onondaga and State of New York, have inventedcertain valve seat-ring, and also for packing the seat-ring. I

The various features and parts of the invent-ion will be understood from the detailed description which follows, and by reference to the accompanying drawings, which form-- a' part of thejspecification, and in which- F igure' 1 is a central vertical section through the hydrant, with parts broken away; showing generally the construction and arrangement of the complete hydrant; also showing the valve closed. Fig. 2 is an enlarged central vertical section of the valve and related parts; showing the valve open.

Fig. 3 is a horizontal section, takenpn line 4-4 of Fig.1; showing the construction and arrangement of the drain. Fig. 4 is a hori zontal section taken on line 55 of 'Fig; 1; showing the means for applying and removing the hold-down ring. Fig. 5 is an enlarged detailed section; showing the first step in the application of the soft metallic packing which seals the joint between the seat-ring and the shoe. Fig. 6 is a top plan view of the valve, taken Fig. 2. I y

In the drawings, 2 represents the shoe of. thehydrant, having the usual inlet 3,.which is arranged to connect with a water main. The shoe 2 is an irregular hollow body having a relatively large water chamber 4, the inner walls of which are arranged in long easy curves, which eliminate the friction, and thereby prevent the, loss of head. The inner surface of the chamber 4 is entirely Specification of Letters Patent.

on line 8- 8 of HYDE/ANT.

Patented Mar. 24,1914.

' Application filed April as, 191a- Serial-No. 764,289.

free from obstructions excepting a relatively small upwardly projecting boss 5, which serves as a stop for limiting the opening movement of the valve. vThe'water is discharged from the chamber 4 through a circular port or opening 6, which is defined by an inwardly projecting flange 7 having an'annular bevel 8, which serves as the seat for a packing which will later'be described.- Above theoutlet 6, the shoe has a relatively large neck. 9, which is surrounded by a flange 9 for providing a relatively broad ledge or seat forreceiving and supporting the lower end of the barrel or-stand-pipe 11,which is provided with a similar flange 12. The flanges 9 and 12 have coinciding perforations to receive bolts 13 which clamp and hold the shoe and barrel together.

'Above the bevel 8,the neck 9 is provided with an annular drain-groove 10 by means of which the waste water from the barrel'is 'collect'dand then discharged through opbarrel, and this may follow any suitable or usual construction. 7

The valve which controls the flow of water from the shoe into the barrel, and also its operat-ing and related parts will now be described:

18 represents generally the valve seat, which consists of an annular ring, the lower end "18' of which preferably fits snugly into the opening '6 of the shoe 2.'

19 represents an external annular flange of greater diameter than the end 18, which limits the insertion of. th'e ring in the openin 6.

lhe seat-ring 18 is intended to be nonrotatable, and for this purpose the said ring is vprovided with a peripheral lug 19 which engages a lug 00 located in the drain-groove 10, as best seen in Fig. 4. The underside of the flange 19, and'also the adjacent surface of the portion 18 of said ring are provided a is subjected to sufliclent pressure to force it suitable for the purpose, when the packing into the said grooves. The packing 21 in the first place preferably consists of an annular gasket or part which is square in Gross-section (see Fig. 6), which is first forced over the end 18 of said ring in position to e age the bevel 8 of the port 6. Then the s at-ring is inserted in the opening 6 and forced downwardly until the soft material of the packing ring 21 is transformed packing to be removed or replaced, at will,

. without danger of leaving any portion of.

mouth 6 0 in or around the discharge the-"shoe. This feature is of great advantage, when it is understood that the shoe 2 of the hydrantis located from two to eight feetin the ground, and is therefore inaccessible-except by digging up and removing the earth all around the hydrant. The compressing. of the packing 21, as de-. scribed,- etfects the perfect sealing of .the joint-between the seat-ring and the flange 7 of the shoe. The seat-ring is held in place by amannulat hold-down ring 22, which has external threads for engaging corresponding internal threads in the neck 11 of the shoe opposite theflange 9. The bottom of the hold-down ring 22 engages/the top side the packing .of flange 19'of the seat-ring, and therefore exerts an even downward pressure upon the seat-ring. The hold-down ring may be rotated in opposite directions by a wrench or other suitable instrument, by meansof a series of upwardly projecting lugs 23 which are disposed around the top end of. said ring.

The valve which controls the passage of water from the shoe into the barrel, comprisesa series of metal disks 24, preferably made of a non-corrorling metal of considerable elasticity or flexibility, all of which are perforated centrally to receive the valve stem 25. The disks or laminae of the valve 24 are preferably disposed between top and

bottom clamping plates

26 and 27 respectively, and these plates and also the disks are held in place by nuts 28, which engage the threaded lower end of the valve rod 25. Thedisks comprising the valve 24 are of greater diameter than the

clamping plates

26 and 27, as best seen in Figs. 1 and 3, and the free over-hanging edges of the plates 24 are preferably flexible enough to bend downwardly when the said edges engage the beveled seat 29, as when the valve stem is moved upwardly for closing the valve (see Fig. 1'), as well as, to restore themselves to their normal shape, as shown in Fig.

The disks 24 are of greater diameter than the bore of the seat-ring, and each disk, in order, from.the topmost to the lowermost is of a different pr greater diameter, as shown.- All of the" disks 24 are preferably concavo-convex,-and when the valve isopen the disks have substantially the same concavity and fit closely together, the dished sides facing upwardly, as shown in Fig. 3. When however the valve is brought into ongagement with the sloping seat 29, at the initial closing movement the bottom disk engages the seat first, while the other disks are disengaged. This feature may be better understood by comparing the lines A and B in Fig. 3. Then as the valve stem is moved upwardly, each succeeding disk, in order, from the lowermost to the topmost,

will come into engagement with the-bevel seat 29, at different intervals of time, until the valve is fully closed, a's shown in Fig. 1, wherein all of the disks 24 are in contact with the seat 29 and thefree edge of each is shown to be curved downwardly, due to the force exerted by the rod 25, and the disks are also shown to be separated from each other due to the difference in the dlameters.

'By employing the flexible or elastic disks 24, the free peripheral edge of each disk ongages the seat-ring with substantially uniform pressure, thus taking care of any eccentricity which might occur in the disks. I have shown five disks comprising the valve 24, but a greater or less number of said disks may be employed if desired. Owing to .the peculiar construction and arrangement of the laminae of the' valve 24, when the said valve is closed as shown in Fig. 1 each disk constitutes a valve in itself, and if one or more of the disks should fail to become properly seated, the remaining disks will effect a closing and sealing of the port 6. The action of the laminated valve during the closing or seating operation is to effect a scraping or brushing of the beveled seat 29, and by this means all corrosion and accumulation of vegetable or organic matter is thereby removed from the seat. In the same manner all roots or similar obstructions which happen to lodge on the seat of the valve will be cut or sheared off by the sharp corners of the disks. Heretofore, where non-metallic valves have been used, and frequently where plain metal valves havebeen used, solid matter of various kinds have become lodged or. caught be,

tween the valve and the seat, which allowed a continual oozing of the water through the valve, when it wassupposed to be entirely closed. This leaking of the valves not only causes flooding in the vicinity of the hydrants, but in cold weather the hydrants freeze up and either burst or prevent the drawing of the water. By the use of my improved laminated metal valve, constructment of the valve.

ter and clog closing of t ed, arranged and operated, as herein shown and described,.practically all of the aforesaid troubles and defects are eliminated, and when properly made and installed, the valve requires less re-adjustment and repair and will outlast the old non-metal valves, as well as, all other hydrant valves known tome.

The top plate 26 of the valve is provided with integral upwardly projecting

guides

30 and 31, which .are disposed diametrically opposite each other. These guides are employed for steadyingand guiding the valve when opened to any extent. The outer face edge of each guide isrconvex to conform to the curvature of the inner face of the seatring 18, and in-this way a substantially true and even bearing is aflorded the guides during the opening, as well as,the closing move-, i The guides 30 and 31 preferably travel in

grooves

30 and 31 formed in theseat-ring which prevent shifting'or displacement. The seat-ring 18 is provided with a plurality of drains which consist of holes (3' passages 32 which are drilled horizontally through the opposite sides of the seat-ring .substantially in line with thevertical centers of the

guides

30 and 31. The holes 32 coincide with similar holes 33 formed in the

guides

30 and 31, when the valve is in the fully closed position, as shown in Fig. 1. By thisarrangement of the

drain openings

32 and 33, together with the peculiar manner in which the laminae of the valve engage the seat 29, when the valve is low-.

ered sufliciently to free all ,of the disks from the said seat, the

guides

30 and 31 will have moved downwardly sufliciently to shift the holes 33 out of register with the holes 32, and thereby effects the closing of the drain. This is necessary in order to prevent the water coming from the chamber 4 from escaping through the drains, sinee the drains are only employed for drawing ofl the water -from the barrel after each closing of the valve. In order to guard against the water 7 leaking through the joints between the

guides

30 and 31, and the inner surface of 'the seat-ring, and finding its way into the drains 32, I provide packings 34 which are disposed in similar annular grooves 35 formed in the inner surface of the seat-ring concentric/to the holes 32. These packings may consist of any suitable material, and are preferably in constantengagement with the outer face of the

guides

30 and 31 whether the valve is open or closed. The packings 34 are preferably so positioned that the stream of water flowing through the barrel never comes in contact with, and therefore cannot wear or injure the packings. Owing to the position and arrangement of the grooves 35, it is impossible for any portion of the packings 34 to escape from said grooves and enup the drains 32. After each e valve 24, whatever water may be held in the barrel 11, between the plugs 17 and the valve, will immediately pass through the

ports

33 and 32 into the annular groove 10, and thence pass out of the neck of the shoe by way of the ports 10.

36 represents a bafiie plate which is disposed in the top portidn of the barrel 11 just above the plugs 17. The said plateis arranged at an angle; as shown, for the purpose of deflecting the water toward the plugs, the bottom of said plate being slightly curved for diminishing friction. The baffle plate shown in the present case comprises the bottom of a hollow cylindrical cup or part 36 which is suspended in the top of the barrel by means of the annular flange 37, which is seated between the top of the barrel 11 and the bonnet 15.'

. The valve operating rod or stem 25 passes upwardly through the center of the barrel and through a perforation in the center of the baffle plate 36, which tends to support and guide the rod, and its upper end is threaded, and is disposed concentrically in the bonnet or hood 15. The valve-stem 25 is ing 41 in a transverse wall 42, which divides the bonnet into two

compartments

43 and 44. The upper end 38 of the stem-nut extends above the top of the bonnet and is formed in the usual manner to receive a wrench, by

means of which the stem-nut may be rotated for ralsing and lowering the valve stem. The upper end 38 of the stem-nut is preferably solidexcept for a small-hole 45 through which oil may be supplied for lubricating the threads of said nut and the valve stem. The hole'45 is normally closed bya screw 46. The chamber 43 of the hem net contains a stufiing-box 47 by means of which I provide continuous lubrication to the valve operating parts.

Above the flange 49 the box 47 is counter-v bored to receive a hydraulic packing which preferably consists of a number of rings 52, which are compressed and held in place by a gland-nut 53 which is threaded into the bushing 48 and" surrounds and affords a bearing for the upper end of the stem-nut 38. The remaining portion of the chamber or compartment 43 of the bonnet comprises an annular cavity 54 which is preferably partially filled with an absorbent material 55, which lies on the bottom of said cavity,

and the space above the absorbent material is intended to be filled with a suitable lubrieating oil 57, which is supplied to the reservoir 54 by means of a port 56 in the bushing 48, which is normally closed by screw 57. The bushing 48 isexternally threaded for &

screwing into the internally threaded open- 7 ing in the top of the bonnet, and the top end of the said bushing is arranged to receive a wrench in the usual manner. Likewise the upper end of the gland-nut 53 is arranged to receive a wrench.

To operate the hydrant, the stem-nut 38 is turned by a suitable wrench which rotates the said nut the same as the rotatable member of a swivel. The exterior of the nut being threaded for engaging the threads of the valve-stem 25, when the stem-nut is turned in opposite directions, the valve-stem moves upwardly and downwardly for opening and closing the valve 24. The

guides

30 and 31 move with the valve and tend to steady and, guide the valve, so that the valve is always held in true relation to its seat whether it is opened or closed. The top plate 26 of the valve, as well as, the guides are so constructed and arranged that when the valve is opened they offer the least possible obstruction or restriction to the free passage or flow of the water, from the shoe 2 into the stand-pipe l1.

- Having thus described my invention what I claim as new and desire to secure by Letters Patent, is- I 1. In a hydrant, the combination with a shoe having a discharge port in its top, of a seat-ring isposed in said port, means for holding said seat-ring in place, a valve in said shoe-concentric to said port, said valve comprising a plurality of elastic disks of different diameters adapted to engage the seat-ring at different intervals of time during the closing of the valve, the peripheral edges of said disks adapted to be forced and held apart when the valve is closed, whereby each disk effects an independent closure for said port, a rod for operating said valve, and means for raising and lowering said rod. 2. Ina hydrant, the combination with a shoe, having a port in' its upper side for discharging water into ab'arrel mounted above and concentric to said port, ofja valve seatring bushing in the said port, means tor holding said seat-ring in place, a val ve in said shoe concentric to said seat-ring, said valve comprising flexible disk laminae of,

different diameters adapted to engage the seat in said ring successively and to flex or bend downwardly 'for providinga space between said disks' when the valve is closed, said disks adapted to be disengaged from said seat in the reverse order during the opening of the valve, as for the purpose set forth.

3. In a hydrant, a shoe having a water inlet opening insone end and a water discharge opening in its top, a seat-ring bushing in the said discharge openingya drain for carrying oil the waste water from the hydrant, a valve in said shoe disposed concentric to said seat-ring, said valve comprising a series of flexible disks of different diameters adapted to engage the seat-ring at difierent intervals of time during the closing of the valve, said disks adapted when'belng disengaged from the seat-ring to prolong the opening movement of the valve for preventing the water from the shoe from entering the said drain, and means for opening and closing said valve.

4. In a hydrant, the combination with a shoe, a barrel mounted upon said shoe, anda hood mounted upon said barrel, of a valverod' disposed concentrically in the said hood and said barrel and extending part-way into said shoe, a stem-nut for operating said valve-rod, said stem-nut journaled in a transverse wall in said hood and engaging the upper end of said rod, a valve-seat in the top of saidshoe, and a valve in said shoe, said valve mounted on the lower end of said rod and adapted. for controlling the passage of water from the shoe into said barrel, said valve comprising flexible disk laminae adapted when engaging said seat to flex and clean said seat.

5. A hydrant, comprising a shoe having a Water discharge opening in its top, a removable seat-ring disposed in said 0 ening, a laminated disk valve in said shoe seat-ring, the disks of the said valve in creasing in diameter from the uppermost to the lowermost disk, each of said disks from the lowermost to the uppermost adapted to engage the said seat-ring at different points and at different intervals of time,- guides mounted above the valve for steadying and guiding the valve, said guides beelow the ing perforated, drain openings in said seatring arranged to coincide with the pcrgorations in the guides adapted for drawi g off the waste water from the hydrant after each closing of the valve, and a packing surrounding each drain opening and engaging the said guides for preventin from entering said drains whi e the valve is open.

(a In a hydrant, the combination with a shoe having a port in its upper side for discharging water into a barrel mounted above and arranged concentric to the said port, of a valve seat-ring bushing in the said port, a packing surrounding said seat-ring, means for interlocking said packing with saidseatring for rendering said packing movable with said ring, a valve in said shoe concentric to said seat-ring, said valve comprising a series of flexible concavo-convex disks arranged to flex and scrape the valve seat during the closing and opening movements of the valve, guides for said valve, said guides adapted to travel in said seat-ring, a drain for drawing ofl, waste water from the barrel, said drain comprising coinciding ducts formed in the seat-ring and in said guides, means for preventing the stream of water the water coming from the shoe from entering the said drain, and means for operating said valve. 7

7. In a hydrant, a shoe having an inlet opening in one end, and a discharge opening in its top, the said discharge opening surrounded by an upwardly facing bevel portion, a seat-ring bushing in the said discharge opening, said seat-ring having an external flange of greater diameter than said discharge opening, said flange facing said bevel portion, a packing for sealing the oint. between said flange and said bevel portion, said packing capable of being compressed and interlocked with said seat-ring so that the said parts may be withdrawn from the hydrant as one part, a drain for carrying off the waste water from the hydrant, a valve in said-shoe disposed concentric to said seat-ring, said valve comprising a series of flexible disks of difierent diameters adapted to engage the seatring at different intervals of time during the closing engaged from the seat-ring in the reverse order, and capable of preventing the water from said shoe from entering the said drain during the initial opening movement of the valve, and means for opening and closing said valve.

8. In a hydrant, the combination with a bonnet, the barrel and the shoe, connected as one part, of a valve seat disposed in the top of the shoe, said seat comprising an annular ring having a flangeprovided with acme-thread grooves to retain a packing a hold-down ring threaded into the top portion of the shoe and bearing upon the flange of the seat-ring, adapted to force the seatring downwardly for effecting the interlocking of the packing with said ring, a valve disposed in the shoe, said valve comprising disk laminae of flexible metal adapted to permit or prevent the passage of water from the shoe into the barrel, and a rod for operating said valve, said rod extending downwardly through the barrel and the bonnet.

9. In a hydrant, a shoe having a water discharge opening in its top, an annular seat-ring bushing in said opening, a holddown ring for securing said seat-ring in place, a valve in said shoe, said valve comprising a. series of disks of different diameter adapted to engage" the said ring at different intervals of time and to flex or bend of the Valve, said disks adapted to be disfor spreading the peripheral edges of said disks apart, whereby each disk effects an independent closure and sealing of said opening, and a rod for raising and lowering said valve.

In testimony whereof I aflix my signature in presence of two witnesses.

J AMES G. GAUNTT. \Vitnesses:

\VM. 0. ANDERSON, HARRY DE WALLACE.