US871859A - Flushing-valve. - Google Patents

Flushing-valve. Download PDF

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US871859A
US871859A US28454305A US1905284543A US871859A US 871859 A US871859 A US 871859A US 28454305 A US28454305 A US 28454305A US 1905284543 A US1905284543 A US 1905284543A US 871859 A US871859 A US 871859A
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Prior art keywords
valve
inlet
chamber
closure
casing
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US28454305A
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Robert A Brooks
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Robert A Brooks
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K21/00Fluid-delivery valves, e.g. self-closing valves
    • F16K21/04Self-closing valves, i.e. closing automatically after operation
    • F16K21/16Self-closing valves, i.e. closing automatically after operation closing after a predetermined quantity of fluid has been delivered
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D3/00Flushing devices operated by pressure of the water supply system flushing valves not connected to the water-supply main, also if air is blown in the water seal for a quick flushing
    • E03D3/02Self-closing flushing valves
    • E03D3/04Self-closing flushing valves with piston valve and pressure chamber for retarding the valve-closing movement
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/19Gearing
    • Y10T74/19219Interchangeably locked
    • Y10T74/19377Slidable keys or clutches
    • Y10T74/19414Single clutch shaft
    • Y10T74/19419Progressive
    • Y10T74/19423Multiple key
    • Y10T74/19428Spur
    • Y10T74/19433Fluid operated

Description

No. 871,859. I PATENTED Nov. 26, 19o?.

, R. A. BROOKS. y

PLUSHING VALVE ,APPLIOATION r1LBD ooT.z, 1905. v

' 2 SHEETS-SHEET' 1.

N i w N No. 871,859. PATENTED NGV. 26, 1907.

R. BROOKS.

PLUSHING VALVE.

APPLICATION FILED 00m26.190s.

2 SHEETS-SHEET 2.

irrENr OFFICE., nosas/r A. Broers, or cuicAGoQILLINors; V`

.'JLUSHNG-VALVE.

l 1N o. '$271,859. Specification of Letters Patent. Patented Nov; 2B, 1907;- Y

Viippli-:atlou filed October 2li. 1905. Serial No-284|54-3| l I Be it known t winrar A. Buooris, a Fig. 3 is-a top plan view of the sanne.-4 citizen of the United States, and a resident 4 is a section taken on line 4--4 of Fig. 1.-A of the city oi Chicago, county of Cook, and Fig. 5 is a section taken' on line 5 5 of Fig.

.5 State of Illinois, have invented certain new 1. Fig. 6 is a perspective view ofthe inner A. and useful improvements in lllushiugvalve cdnsine showing thesame removed from Valves; and l do hereby declare that the folthe Water chamber. Fig...7 isasection taken one/mv.' a similar view showing the valve fully oeur` lowing is a full, clear, and exact description on line 7-7 of Fie. 1." lgt 8 is an enlarged of the saine, reference being had to the acfragmentary deta partlyin section,` ofthe 65. 10' companying drawings, and to the letters of closures on the lower end of the valvestem. reference marked thereorAj which forni a part As shown in said drawings: A` indicates of this specification. the casing formln the vWater chamber-and This invention relates to flushing valves into the lower en of Which opens theinlet and more particularly a manually opening pipe a. The flushing or outlet pipe a opens`70 but self closing iiushing valve, ad aptedior .from the side thereof.; Said casing is cored use in flushing 'crater olosets and other fix to ailord a relatively larve interiorfwater tur-es. Flushing v" i for this uruose chamber o en and internall threaded at its. I l p L 4have usually eloseu h the pressure and upper end and provided below the thread have heretofore been regulated or timed in with a'peripheral rib or i'lange- 1t.above` 75"v f 2O closing hy utilizing a part oi the iiushing which isa Het peripheral seat a5 adapted to liquid therefor. This has unsatisreceive a packing washer a". .In the lower 1 aotory inasuiueh as the dushhig liquid often end of the Water chamber isa removable centainesedinieutv closes the pas-finiva seat c2, comprising an externally sage preventing "threaded sleeve, threaded into the 'inneren'd 80 flush. thenuore of the inlet orioe and which is shaped at the pressure frequently 'Water hammer soon upper end for engagement with acomple- Wearing out the seat and closure and necesmental closure. ngaged on said inwardly sit-ating reimi i. directed rib a; in the Water chamber-is an in- The obje(l of this invention is to afford a ner valve casing or sleeve C, provided 85 flushing volvix closing f' st the pressure slightly helo'vv its upper end- With-a closed -and in which 'i ning ol the lush is regu head sand at the said up er end of which is later. hy other us than, the iluid deprovided an outwardly irected eripheral livel-ed through the flushing valve. l `urflange cwhiehenga es upon the rig a4 Which.v

thermore to @ford means :ope .ted hy hut ull'ords a sup orttlierefor.4 As shown alsol 90 against the pressure 'for el ug the ilush 'the upper Wa l crof said, sleeve is 'rovidedl valve. with a large port cizvopenin'gto t e water lt is also au object nl? 'the invention to chamber. i f afford fluid regulan n whereby the com -Within the sleeve orinner valve casing C` struction mush siiiiplied and the oonis the valvefelosure for the lseat Lint the in 95 l4o trolling mechanis iso consumo .i as to prener end of the inlet pipe. Said valveclosure vent the escape oi printing iiuiol. comprises as shown a bod indicated ,by 'D lt is a ii =1 .he invention to open at its upper vendend slidablefin. said aord cor miie loA he quielily sleeve and at its lower endredueedid-Size i assmho and threaded v.to .receive the vpaekingd, 0o out ol rep/ar engage the valve .seatjgand' lthefjamhut d i l should whereby the`. paok1nor lisheld inoplace."I Below said central hodnyv of the .elf'jsurey is prov if tue aevided a tubularstemfd?,Whichlextends l provide a Constructie v tueting :mechanism is is prevented until rele The invention co 'F inai'ter descr" and defined in the celitralsee ventiel@ sh..

let orifice Vand permits the ilovvf of 'Water therethrough intothe. inner valve casing ahov-eptheclosure- A peripheral flange da is provided ou the body I), foi the closure above oylindrio nut djivherehy hydraulic packing i r/f is engaged ,against the flange cls and" he#` doive the i'iush ally below the valve .seata,2 and into the-,infl105- p Whioii the same is threaded to .receive a 2 arnese tween which and the side of the sleeve, said packing extends upwardly laffording a fiuid tight joint from above but permitting said closure to slideupwardly or downwardly in the sleeve in'olosing and opening the valve.

The partition or head c in said inner valve casing is provided with a central axial bore7 y or aperture and. as shown is of increased thickness .thereat adapting the head to be Shaped at each end of the aperture, above and. belowthe partition c to afford a valve seat thereby adapting said aperture or pas- .Bage -tobe closed either from above or from belowas the valve is operated. y A

:The easing B is lthreaded at its lower end into the top of the lower casing A, and is provided with a transverse partition b divid-A ing the same into an .upper chamber :e and I not frozen readily.

a lower chamber zr. Slidable vertically in 'the chamber :1: is a cup F 'adapted to contain a liquid conveniently glycerin or any liquid Securedl to-the bottoni ofthe cup is a stemf whichy extends through a Asuitable stufiingv boiotziii thepartition b andhas threaded engagement'at its lowerend with a double valve closure for the valve -the partition c andcomprisesfa connecting .item/E extending through said aperture in the partition c and approximately its lower is veylindric'and but slightly smaller in f fdiameter than the aperture in said partition Sand of small .size at its middle part and to *rear its upper end. Said connecting stem is j screw threaded at 'its lower end to receive ...which holds the washer in place and whereby the packing washer e and the nut e thereon l-the inner seat in said partition is closed when -l-the cup is elevated. Secured on lthe upper end ofsaid connecting stem E, is a packing .l is threaded a stud washer el and nut e3 positioned' to close the upper Seat in the partition c when the cup fis at its lowest position. Astemf in axial alinein'ent with the stem f projects upwardly fremrthe bottoni of thecup, -and is ofv a length aeshown-to extend normally above the casing B, and through a Iianged cover G vwhich,closes the upper end of the casing .when secured in place.

lRigidlyV connected with said cover by means ofthe integral arm, or rod g, one in each side of the cup7 is a piston G through which thestern f passes and through Iwhich Vis'pro'vided a vertic lpassage way g in which l :in g2, lon itiidinally slot tedy at its lower enc to vary t e o ening from `zthe.passage. Saidv stud pin is s otted. at its flipper end to afford engagement with a screw r,driver or other suitable tool inserted through lan apertureg3 in alinement therewithin the cover G, normally closed by a plu g1. Withdow in said piston and opening nwardly therethrough is a valve as shown comprising a chamber in the piston into which a-relatively small aperture opens centrally through the top, and in the bottom of which is threait yspring g engages at one end on the f and at the other 'engages beneath sai push pin G2 which as shown is recessedl at its lower end to receive-the upper end of the same and acts to hold the cup F, normally elevated as y shown in Fig. l `with the passage through the partition c of' the inner valve casing closed from below.

The operation -is as follows: The cup F is iilled with oil or any suitable fluid preferably one that will not readily freeze, and they flushing valve bieing connected with the supply pipe c and the flush or discharge piped/,1' l

the water or other fluid to be controlled flows inwardly through the aperture in the closure filling the chamber formed in the inrer valve casing C and closure D, as shown in ig 1. wardly against the pressure ofrthe spring the valve in the inner side ofethe' partition'c is opened permitting the watenrm said inner chamber to flow therethroughind the pres'- sure being reduced above the closure D, theY direct upward pressure from the inlet pipe raises the closure D forcing the same into the sleeve or inner valve casing C and starting the flush. The downward movement of the cup causes the regulating iiuid to flow through the piston, the ball valve in the pis-4 ton facilitating the flow. When the push pin is released the spring forces the cup upwardly, this forces the fluid upwar y through the piston, but as the ball valve immediately closes the fluid must pass through the restricted passage in the piston which as before described is controlled by the stud pin ggl -"l5`.his retards'th'e upward flow of' course permitting the cup to rise at arate dependent on the delivery through `thepiston. 'The lf the push pin be forced down- 'l ioo flush will continue until the cup rises sufli'- 1 ciently to close the valve --on the innersiili'eofv the head c. As the cup rises the ,vent va'lve in the upper valve vcasing isjcpeneu andinasy much asthe smaller part of the connecting stein is then-in the. .vent passage' or a erture in the partition c the valve closure E) rises into the casing quickly and the fiush'will c011- i. tinue with full force until theV larger part of the connecting stein enters said a erture.

rFhis retards further iiow through t e vent and the closure D begins todescend soon decreasing the flow sufficiently to break the siphon in 'the closet iiushed but permitting enough water to pass to afford the'after ll.

The 110W ,for the after :fill'will continue' until the closure is forced slowly and gently down pon the casing. A portion of the water fromthe -inlet pi e now is forced inwardly through the smal aperture d2 at the bottom thereof, into the inner water chamber, quickly forcing the closure downwardly into its `seat and against inlet pressure. Should the cup be helddown the vent valve in the .10 partition is closed from above" preventing i1`,shi`ng,y except as the cup rises or is vintermediate its extreme positions ifo-prevent resistance through air )rassure an aperture his provided in the casing below the-normal position of the'cu to permit the escape .ofair. therethrongh'fw ien: tlie cup is forced downwardly, in a like manner registerapertures 7i areprovided near the top of said ,casngand in the to ofthe cup to permit the escape of air from a ove the same and to ermit a. tool to be inserted to hold the cup om rotation when it is desired to unthread the push pin, in separating the parts or assem- "hlingthe saine. p The regulation is secured -by adjusting the vfplug'or push pin g2 outwardly or inwardly in the piston thus increasingor restricting the passage therethrough'as described. it be- :ng obvious that increasing the delivery period while creasing the rateof delivery therethrough extendslthe flushing period.

'While' I have `described my invention as embodied with a non-movable piston and a kmovable cup either `may be movable relatively to the other. l therefore do not purpose limiting this application otherwise than necessitated. by the prior art as many details y ofl` construction maybe varied without de- 40 parting from the principles of my invention.'

I claim as my invention:

` 111g .a Water. chamber therein, of an inlet and am. outlet pi e connected in vsaid casinc, a valve slidab y. engaged in said chamber, `means admitting water )ressure directly on the top of said valve an( adapted to seat it automatically to close vthe Ainlet pipe, and means o erated. by a'fluid other than that deliverefl through said valve adapted to control the pressure on the valve.

2. -In a device of the class described the combination with a chamber affording a ivater'chamber of an inlet and an outlet pipe epening therethrough, a valve seat4 at the limer end of the inlet pipe, 'a valve closure seating automatically to close said inlet pipe and'fluid operated means physically disconnectedi'iom the valve closure and acting to 'time the closing of the same.

In a device of the class described the eombinationwith an outlet and an inlet i e et means acting automatically to close tlie et iiiiet'nipe and embracing a valveclcsure havthrough said (passagedecreases the flushing l 1. In a Aflushing `valve of the class described the combination with a casing hav'- pipe. opening. in its bottom, an outlet opening from the casing, a removable seat in the inlet pipe. a valve closuretherefor comprising a bottom member having a restricted passage opening into the inlet pipe, a valve controlled passage opening above the closure and lluid controlled means operated independently of the flushing fluid for opening and closing the valve in said passage.

5. 1n a device of thei'class described a wa ter casing, a cliambered valve closure fitted in the casing and controlling the inlet opening, a downward extension on said closure projecting into the inlet ipe, a passage opening from the to'p of the c osure, valve seats at each extremity of4 the passage and valves rigidly connected, adapted. to seat thereon.

6. The combination with a casing of a water chamber therein, a fluid containing cup movable above the water chamber, a valved piston extending into the fluid cup, a stem connected rigidly with the cup and extending into the water chamber, actuating means for l the,cup, a hollow closurefor the inlet passage to said chamber and provided with a bore opening' into said inlet assage and a valve carrie on said stem an controlling a passage above the top of the closure and actingr to regulate the pressure.

7. In a deviceof the class describedthe combination 'with a casing alording a water chamber ot `an inlet and an outlet ipe opening thereinto and therefrom, a s eeve supported in said water chamber axially above the inlet pipe, a partition dividing the same transversely, a passage o ening axially through said partition and adiording a valve seat on each side thereof, a hollow valve closure slidable in the sleeve and adapted to close the inlet passage, a restricted passage opening therefrom into the :inlet passage and actuating means comprising a stem extending through the passage in said partition, aV

v'valve closure thereon on each side of the partition adapted to seat when said stem is at its inwardly and `its outwardly limits oi' movement. l

l Si. ii valve comprising a casingf having an inlet opening in its bottom an having an outlet of a hollowA closure for the inlet pipe,

and opening thereinto and having a passage opening thereinto from the casing, a` stem extending throuih said passage and eplu-l rality ol' valve c osui'esthereon and closing said passage at 'either limilo movement longitudinally.

9. In a device ci" the classl described, a casier ' ing affording awater chamber, an inlet and .tremity of said passage,

- rality of valve closures downwardly 'from said cup,

' of,fa hollow in said cup,

' said sleeve adapted an outlet pipe opening thereintoV and therefrom, a `valve seat at the inlet passage, a closure therefor comprising a downwardly opening sleeve supported axially above the inlet opening and having a passage in the upper end thereof, arvalve seat at each exa hollow .closure slidablyengaged in the sleeve and open in its inner end and affording a* restricted `assage through the outer end opening into t e inlet pipe, a stem projecting through the passage 1n said sleeve, a plurality of valve closures thereon one adapted to'seat on each seat at the extremity of said passage and controlling the passage in said sleeve and actin to relieve pressure within the closure an sleeve to lift the closure and when closed acting to restore pressure seating the closure.

10. 'In a device of the class described aseli closing valve comprising the combination with a casing of an' inlet passage, a cylindric sleeve in said inlet pipe and projecting from the upper end thereof adording a valve seat, an inner valve casing having a water passage opening therethrough at its inner end and provided with a valve seat on each side therevalv'e closure complemental with the seat in the inlet pipe and slidably engaged in said inner valve casing and having a restricted water `passage opening thereinto from the inlet pipe, a chamber above said valve casing, a cup therein, a vvalved piston a stern integral with said cup and projecting downwardly into said inner valve casing, and valve closures on said stem conf trolling the pressure on said valve closure in the casing.

11. In an automatically closing flushing valve 'the combination with a casino' of an inlet and an outlet pipe, a removable seat` in said inlet pipe, a sleeve in said casing having a partition near the top thereof, a closure in to close the inlet pipe, a chamber in the' top of said casing, a cup therein, an apertured piston in said means rigidly engaging the piston to the top of said casing, a stem on said cup and projecting upwardly through the top of the casing and downwardly into said sleeve, a pluon s id stem, a valve seat on each side oi said partition for said closures and means engaged in the apertures in said piston adapted to regulate the period of flushm 12. n a device of the class described the combination with a casing of an inlet and an outlet pipe therefor, a sleeve in said casing, a hollow closure movable longitudinally of the same and having a passage opening into the inlet pipe, a casing above the aforesaid therein, a ipiston in said cup, a stern projecting upwardly and means on the lower-end of said stem 'for regulating the-prestherefrom,

cup, l sure `in said pressure chamber.

sure on said hollow closure, a spring bearing against said piston adapted to return said cup to its normal position and means in said piston for' regulating the period of flushing.

13.1118. device of the'class described the combination with a` casing of and an outlet pipeop/ g thereinto and said casing -a a chamber an inlet pipe. I

valve closure slidable therein and having a restricted passage opening into the inlet, a

passa e opening throughthe top of said cham er and connected simultaneously movsaid passage for regul... the inlet'closure.

14. In an automilpgily ng the pressure on valve .the

combinatonvwith ,aucaeing of ian inlet andan outlet pipe therefor, a chamber insaid casing, a chamber Within saidy chamber o the inlet, a valve closure slidable .in said last named chamber adapted to seat to close the ening Into -able valve .closures adapted either to close ,-,f

inlet pipe and meansfor regulating pressure onsaid closure controlledby'luidotlier than 15. In a device ofthe class described the combination with a casingl'of a water chamber therein, an inlet and an outlet pipe communicating 4with said' casing Vbe'nefu" the water chamber, a differential valve ein in said waterchamberior said inlet and J10rmally. held in closed position by water pressure above the same and means in Ithe top ci A said casin' closure an controlled by iiuid other than the inlet luidfor regulatin the pressure thereon 16. In a deviee" of t e class described t" combination with a casing oi outlet pipe connected therein, a valve closure adapted to normally close said inlet, a pres-.

sure chamber above said closure and communicating with the'inlet' through said closure, a

movable independently et said4 an inlet an; n

its

chamber in the top of said. casing, a controllin flud therein and operating .means eon- `tro led' by said `liuid and disconnected from said closure and'adapted to regulate thepres- 17. In a lushometer the combination with a casinv of aninlet an outlet orifice, .a differ- 'ential c osure ada ted to seat to close the inlet, a plurality o alined valve seats'in'earfi casing, connected valves adapted to seat thereon to control 'the pressur'e'on the', elosure, a cup above the closure, a fluidtherein,

adownwardly directed stem engaged thereto and rigidly en aged to one of saidval/ves, a rigid aperture piston in said cup, an upwardly directed stem engaged to said cup and. extending throu h the iston and means for manually operating sai cups in one di rection to o en said inlet closure. y

18. ln a ushometer the combination with a casirulr of an inlet an outlet oriice, a diiierential cllosure ada ted to seat to close the inlet, a plurality o alined valve seats in said casing, connected valves adapted te seat 1 extending through the iston and means for to opensai inlet closure, means automatically the flow4 through said piston to control the "controlling saidclosure, a movable cup ad Jacent'the valve,riuid contained therein, a

a cup above the closure, a fluid thereon, a downwardly directed stem engaged thereto a'casing having an inlet and an outlet oriiice inlet to the outlet, valves adapted to control ftliermovementbf the same, amovable cup `'above said valves, a'stem engaged thereto and to one vof said valves, a rigld apertured tained-'in said cu and movable through the 'fcombination with a 'casing of aninlet and an outlet therefor, an inner casing' in said cas- 30 ,ing opemngdownwardly, a closure movable stem projecting throught `e piston and engaged to said cup, manually'operated means adapted to moveljithe cup whereby the fluid llows through said fixed ypiston in one direc-- "opposite direction. l

combination with a casing of an inlet and an senese s thereonto'control the pressure on the closure,

and rigidly en ged to one of said valves, a rigid aperture :piston in said cup, an upwardly directed stem engaged to said cup and manually o erating sai cups in one direction m'ovin said cupin the o posite direction to close t e inlet closure an means controlling movement of said cup.`

' 19.v In a lushometer the combination with of ,achamber therein, a closure movable in the' chamber to control the flow from said the pressure on said inlet closure to control piston extending into the cup and a f uid conpiston to vcontro the rate of movement of said closure.

20 In afdevice of the class-described the therein adapted to,A close the inlet., avalve stem connecting said cup and valve, an immovable piston eax-tendiner into the cup, a

tion andas. sprin adapted to move the cup to force thefi'lui through the piston in the l 21; In a device of the class described the combination with a casing of an inlet andl an outlet pipe therefor, a chamber in said casing,v a differential closure, ior the inlet pipel fittin closely and movable in the chamber and o greater area in the chamber than in the inlet and having a restricts assage opening sage and rigidly connected. valves 'simultaneously movable, one for each seat and adapted either to close said passage.

2,2.In a device oi the class described the outlet pipe opening thereinto and therefrom, a chamber therein, a differential closure movable insaid chamber with its smaller end closing the inlet pipe, a port in the upper end of said chamber providedv with e seat ateach end thereon'a valve closure for each seatla stem rigidly connecting 'the same :fi-c

.connected opporsi lar-,ly disposed valve closures each adapter to close said passage. at one limit ol movement thereof wl'icreby except at limits i ng the ,i jssure on said diii'crential cio: ire. Y

2% in a device of the class described the combination with s casing of an inlet and an otitlet pipe therefor, a l., Az.m`ber in said casing', a differential. valve closure movable therein and having' a restricted passage opening thereinto from the inlet, a passage opening 4 through the tot ci said casing atlordmg an outer and an inner 'valve seat, oppositely disposed cenneclcd a distance apart passage at cpo/osito limits of movements of the closures thereby releasing the 'pressure from said chamber when either are moving 'from their valve closures spaced 1 in a device of the class described the combination with a casing of an inlet and an outlet pipe therefor, a chamber therein, a; dil'erential valve closure closely litting and sliclable in said chamber and aving a restricted passage therethrough connecting the inlet pipe chamber, a port opening through the 'top of said chamber, connected valve closures ed a distance apart und adapted respecti ely to close said port at opposite limits of movement whereby pressure is released i; 'm said chamber at any intermediate nositions ci? said valve closures thereby opening the dil'lerential valve by inlet pressure.

` 2n. ln a device of the class described the combination -with a casing of aninlet pipe and an outlet pipe therefor, a chamber theretherethrough, valve scat on cachsidefof said partition, connectei'l inwardlyl facing o acting tc close said 'iin ` a partition in said chamber, havingf a passage valve closures for said seats adapted either to seat to close said passage and adapted when either is moving 'to or trom its seat to open said passage to regulate the pressure on said 'inlet closure.

27. ln :i dev' of the class described the ccinbination wit 1 e casing' ot an inlet and an outlet 'pipe ther-el A a chamber therein, a i" .aential valve clo.`rv fitting closely and le in seid chamber and normally seat- -V l connected through 30 from, a c

:40 sai inlet closure when moving ed by fluid pressure in said chamber to close the inlet pipe with its smaller end, a passage through the head of said chamber, inwardly facing valve closures spaced a distance apart,

said passage and adapted` one'to close the outer end and the inner end of said passage at opposite linnts of movement and adapted when both are unseated to open said passage to regulate the 1o pressure on said inlet closure.

2S. In a device of the class described the combination with a casing of an inlet and an outlet pipe therefor, a chamber in said cas- .V ing, a valve seat Qn the inlet pipe, a closure slidable relatively of said chamber adapted to close the inlet and normally held to its seat by ressure and against pressure and means a ording a gradual seating of said closure When open, a partition in the upper end of said chamber having a passage there- (through, a valve seat on each sideof said artition, a valve closure Jfor each seat adapted both to close said passage and adapted both to open said passage and normally hav- I ing one oi said closures seated for regulating pressure in said chamber.

' 29. In' a device of the class described the combination with a casing of an inlet and an outlet pi e opening thereinto and thereamber in said casing, a normally seated differential valve closure closely ritting and slidable therein and adapted to seat to close the inlet, a partition at the upper end of said chamber having a passage opening therethrough, avalve seat on each side of said partition, connected valve closures adapte at both limits of movement of the same and ada tedboth to release the pressure from to their seats. 30. In a device of the class described the combination with a casing of an inlety and an outlet pipe therefor, ing, a valve seat,va normally seated valve closure thereon ada ted to'w admit fluid slowly intosaid cham er, a port in the upl per end of said chamber provided With valve seats on each sidethereof, connected valve closures, one projecting in said chamber and one above the same,adapted one to open said port when the valve closures are moving in one direction and the other to o en said' irection.

port when moving inthe o posite o 31. In a deviceofthe c ass described the combination with a casing, f an inlet and an outlet pi e therefor, a chamberin said casing, .a va ve closure movable independently thereof, a assage through said chamber above said c osure, valvey seats'at each end of said passage, valve closures adapted to seat to'close said passage and means connecting said valve closures adapted to release the pressure from said chamber and irst mentioned closure when said valve closures are (i5- actuated.

either one or the other to seat a chamber in said casother t he -when both valves are unseated to release the .and adapted to release. pressure yfrom .the

,valve closures adapted topclose said l s'nese 32. In a device of the class described the l combination With a casing of a chamberH therein, a closure movable independently of said chamber, a passage in said chamber, a valve seat at each end thereof, connected valve closuresmovable to close said passage and adapted to control the pressure in said chamber. l33. In a device of the class described-the combination with a casing of an inlet ,and an outlet pipe therefor, a chamber inv said cas,- ing, a valve closure movable relativelyot said chamber adapted to close the inlet pipe, a passage through a Wall of said chamber, A valve seats, one at'leach extremity offsaid s o passage, valves, one for eachseat adapted f each at one limit oi its movement to lclose said passage, means extending throughA said passage and rigidly' connecting said .valves adapted to admit iuid throughsaid passage pressure from the inlet closure. p

34. In a device of the class described the combination with a casing, of an inlet and an outlet pipe therefor, Ya chamber in said casing, a closure movable in said chamber, a passage opening through said ,f chamber, a seat at each end of said passage', connected. valve closures Jfor said seats; one movable in and the other out of said chamber and both tapering and having a narrow connection centrally between the same and means hold#A ing one oi said closures normally seated.-

35. In a combination with a casing .of outlet pipe' therefor, a chamber in vsaid casing, a valve closurecloselyfittiny vvA,in-said chamber and movable relatively tiliereof, a passage through said chamber; avalve seat at each end thereof, a valve closure VJfor each seat, a stem connecting the sameand' tapering inwardly and'liavingitsleastv diameter approximately centrallyl etween said valves an inlet and an l100 chamber When saidvalvesfare 'traveling to and from their seats. l 's f 36.In a device of the classv described the combination With a casing havin an inlet and an outlet pipe of a chamber-t erein, outlet passage in said chamber, a valve seat at each end of said passage, rigidly connectedl` tissage' and one oi said valve closures norma ed, means connected to the same'frcontrols;J 'l ling the pressure in said chamber and; a heli' 12e low closure closely iitting; 'saidf chamber adapted to close the inlet.f A i 37. The combination with a casighavingg an inlet Vand anoutlet orice,-afpartitioii, di-jfl viding said casing into a plurality of chambers, one oi-Which is a pressure chamber, a passage through said partition, a valveseat l'v at each end'of the passage, rigidly Jconnected valve closures one'in each chamber and each adapted to seat on its respective seat tov close A device of the class described the I seid 'passage therein* ci;

lcomloinnion with 'n resin ,adept-eil to seat e 'movable valve closures edepteil ermee rollin@ preseure 1n said pressure el' n her and'. en. independent closure in said m'eesnre chamber find, 'the movement thereof .orircller inf." seid rigidly connected valve rloonr e. n

38. In o device o" he '1 g oi :n .niet and outlet therefor, n, partition in said seeing dividing the same .h 'o n. plurality of chambers. a c osnre rnm'ahle in *ehe .lower chamber ro close the inlet. and el' mu'nieetion herr.

new; :affording @oinv f ,i `".ilfe'r end inlet, Srpessege ihren f il r \'1i"ion. faire sont. lateerh erreni mail passage and Connected valve r ores one in enel: chamber adopted either ro eoeo .fhe passage.

39. in :i il vire oi' lire class described the combination with n raising of en iniet and en outlet. pipe therefor, :i partition dividing said easing into e, piu'eliejv ol" fiminine rs, e. valve closure. closely iitinfr in one chamber und adapted to close *die niet by inlet pressure and having e nissege adopted zo perrnir the inlet Huid to ilow .ino mir-i ehemoer, o pessag-e in said partition faire ser connecreil closures for sind ee te aleph onlywhen both are nnsearefi pressure from said first mentioned elosnre eind ineens el"- fordingr omnmnfiieaitiori hei-Ween the other chamber and ouiiei; o1

40. in o (levi .e o. the einige il combinationwill: :i resin@ 1 on inlet pipe therefor, un chamber in .se-.iii mein clnunher and adepiwl by inlet: pressure, n. pri chambers,- anii. eo

el; sugo izo oontroi the 'i closure.

41. In e. device of he clase described the conihinzition with :i resine; off inlet and en outlet. therefor, mi upper on. evier ciioniher in sind eisingj. .e pm; f conneeii h the righ wr ehonrhr and nulli-opine, i' ins in mid lower elnnnhe.. miep' he inle inlet pressure, n. paissege con i io lower and upper chamber and einiuweneeusly either io close said passage to contr-oi the pressure on said closure. y

42. lIn e. device ne the class described rhe combination with e efr-sing ol? mi ouie ond im inlet therefor, cheminer in seid Casing, a

closure mor/nbie in ef said chambers,

@se described 'the l l l'.

l j, l l

the inlet by inlet. pressure, e. i er. l

posed to inlet pressure, n. pesoge connecting said chambers, connected vulve flu-.lures conr'rolling said 'passage thereby governing rhe inlet closure and ineens opere'lerl by ilniil oher than the inlet lniil ro oeniir-ol the movement of the conneoeil fle. ,in ii device of the einer; de coinhinmion with :i casing and i oulet, comlnunieriting chambers :i .liferentinl inley closure lnovnhie in of sind chambers, simnll'oneon vulves adapted lo control the 013:3 novehe J Saure on said inle closure end inelosed ,fluid operate-i ineens adopted to oontrol sind wolves.

45. in n device of the class deecrihed L combination with o casing of un ine;

e niiet therefor, rr chamber in, :sind eem; closure therein adapted to zii .he in passage hroiigh :i Wall o1 soil ehznnlie y neczeil valve closures mlriperl io eiose r passage, zr el 3Aiionairjf .iperltnreri` ineinis forcing lluid 'herjefhrou che nioemeinr, of 'said cherie` closures.

therein, nn inlet` closure, e message v through a well of sind chaniluer, rigiiiy connected simultaneously movable valve eo eures one adapted to seat :1L eer-,n end e' seid "pessafge ond, adapted to eonrei the .mov-w nient of the inletclosure7 con neared ro sind easing, :in eine L i... in?. therein and moons eileperi lo .Torce i other than the inlet fluid through. he pisrm to control the period of opening of the inlet. In testimony whereof il: have 'iereunto subscribed my mun 'e in the gireserice of two sul'rscribing Witnesses.

l HUBERT A, BRKS. Witnesses Z,

W. W. WITHENBURY, WM. GSMITH.

US28454305A 1905-10-26 1905-10-26 Flushing-valve. Expired - Lifetime US871859A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227674A (en) * 1977-06-30 1980-10-14 Grant Jr Walter H Liquid metering valve
US4832310A (en) * 1988-08-18 1989-05-23 Mansfield Plumbing Products, Inc. Flush control valve
US5505427A (en) * 1994-09-14 1996-04-09 Sloan Valve Company Flushometer handle seal
US5533706A (en) * 1991-07-04 1996-07-09 Abb Flakt Ab Valve arrangement
US6286533B1 (en) * 1997-09-19 2001-09-11 Mark Controls Corporation Metering valve assembly

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227674A (en) * 1977-06-30 1980-10-14 Grant Jr Walter H Liquid metering valve
US4832310A (en) * 1988-08-18 1989-05-23 Mansfield Plumbing Products, Inc. Flush control valve
DE3910135A1 (en) * 1988-08-18 1990-02-22 Mansfield Plumbing Prod Inc flush valve
US5533706A (en) * 1991-07-04 1996-07-09 Abb Flakt Ab Valve arrangement
US5505427A (en) * 1994-09-14 1996-04-09 Sloan Valve Company Flushometer handle seal
US6286533B1 (en) * 1997-09-19 2001-09-11 Mark Controls Corporation Metering valve assembly

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