US1436768A - Valve - Google Patents

Description

J. A. MACKlE AND F. W. WADDELL.

VALVE.

APPLICATION man MAY 2o. |921.

1 ,436,768. Patnted Nov. 28, 1922..

PQM

-Y State of.

PatentedNov. 1922.

' UNITED sin'iss PAT-ENT orrics.

JOHN A. MACKIE, QF MGKEES EOGKS. AND FREDERICK W. WADDELL, 0F GRAFTON i BOROUGH, PENNSYLVANIA.

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To all whom it may concern:

Be it known that we, JOHN A. Mnm end Fnruciuon W. Wennen., a subject 'of the King of Great Britain, and e citizen of the United States, respectively, and residents of Mfr-,Kees Rocks., in the county of Allegheny and Stute of. Pennsylvania, und Crofton Borough in the county of Alle heny and lennsylvamin, respective y have invented certain new n nd useful improvements in Valves, of which the following is a speciiieetion.

This invention relates t0 valves, and more particularly to high pressure valves, und has y for its principal object the provision of., un improved vulve otlns clues tlint will lie devoid of leather cups1 puckings, etc., and onehnt mcy be readily repaired end reson provided with inlet and outlet p ortslt and 1Q, respecticely, in the lower section and with s return port 1'6 in the upper section.

The upper section of the valve casin e has its lower f ace provided with a recess 1 for the reception of a removable valve sert iuemher which is com osed of ri body por. tion 18 adapted to' t snugly within tle recess 17 in the portion 2 ands. reduced portionv19udepted to fit within the' valve et elinniiiber A. in the lower section 3 of the. ons The section 3 of the easing is also provided with e recess in aligiunent with the recess 17 iu tliesection 2 undY the ortion 18 of the vulve sent inember exten this 20.

Suitable wn'shers o1' gaskets 2l and '22 erle located within the respective recesses 17 and 20 to position the valve seat member." The .finto 'zo gaskets 21 eud22 serve to position the 'valve 75 seatmember with 'respect to the valve. und it willbe'rendily apparent that by veryi 'the thickness of the gaskets the position o thevnlve seat member-may be varied with respect to the vulve to care for wear or re B0 Referring to the accompanying drawings, in which o referred forni of our vulve xs illustrated gure 1 is n vertical sectional elevation through the vslve Figure 2 is e top lan view.

Figure 3 is n'bot om plnn view. e

Fi 4 is o cross section 'on the line duction in size 'of the sent due to grinding IV- of Figure 1. yor resenting. y i

Referrin now more particularly to the The lower end of the reduced rtion 19' drawings,i e vulve easing' is coin osed of of the valve seat member is bevele inwardly forming u sent 28. 85

upper and lower cylindrical centra y upertui-ed sections 2 und 3, respectively, secured together by stub screws 4 threaded into the lower section and -heving nuts 5 on their Vss threaded n 'be screwed upper ends bearing ugninst the uppersec-- tion, the-'lower section havin u centrally arranged aperture of ler rer iexneter thun the section 2 to forni a va ve cluunber A.

- The iaper'seoton 2 of' the vulve body is p provide with un integral extension or neck 6 having e centrally formednperture or opening therein through which the valve stem 'i' i se. The aperture inthe neolf'i is proviged with n screw thread udnwent its lower end to receive the operutin? ihreu a n, po n of the vulve stem und is contracte Aabove the thread 8 to form a guide rin 1 0.

oep'tion'of e. gland-13, which is adapted 'to The particular valve shown'in the dra-ivings is a three-wey valve `und therefore` is tively, to position the sect member with r edown ngainst'the pecking rings p The lower section 3 of the valve easing' isprovidecl with -ii recess 2,4 adapted to'rereive u valve sent ineluberumd is closed' by u rap or bottom plete 25 having n proection 26 fitting snugly within the recess and .s1-.euml to the section 3 by stub screws 27, which are threaded into the section 3 end have nuts 28 on their outer en ds hearing agonie-it the plate 25.

The vulve seat member edit )ted tolit within the recess 24 is compose of a body portion 29 adopted to fit snugly `within the recess 24 and u reduced portion 80 adapted to lit within the vulve chimiber A. 4Suitable washers 'or gaskets 31 und 32 nre located within the recess 9A between the seat member andthe bottom of the recess 24 andthe top ofthe sent member und the fece of the projection 26 ou the member 25, respecspeet to the vulve, end it will be readily v. arent that ns se't forth above when desori mg the functions of'the washers or gaskets 21 and 22, by varying the thickness of the washers or gaskets 31 and 32 the position of 110 vet i the seat member may be varied with respect l to thevalve.

i 38,10 snugly engage the said bottom portion 30 of the seat member The reduced forming-a. valve seat 34.

is beveled inward! The valve stem t ral shoulder at its lower end forming a vve which has its lower face beveled at 36 to snugly fit the valve seat 34. A second inf tegrai shoulder 37 forming a valve is spaced upwardly along the valve stem from the valve 35 and has its upper face beveled at valve seat 23. The valves 35 and 37 are of less diameter than thel valve chamber, end spacer lugs or spiders 39 are providedi between the valves to prevent knocking or chattering of the vali'e stem during use.

The upper end of the valve stemV is provided with a squared portion 40 to receive a hand wheel, operating lever or the like.

The advantages of our improved valve` will be readilyr aplpreciated by those skilledV in the art, artcu ar attention bei directed tothe following: Thevalve seats may be readily removed for rinding or re-seating, and the position of t eseats relative to the valves may rendllybe varied by substituting gaslmtsV of "crying thickness to position the valve seats, therefore permitting the stroke of the valve to remain the same after reseating.

Ve claim z- A 1 1. A vulve comprising.,Ir a casing having recesses surrounding the passage therein.l o posing valve seats removably mounted in said recesses, -sa-id valve casin r bein'lr divided transversely th'rou h one o? sai recesses forming upper an lower sections and thel other of said recesses openmgthrough thel bottom of said lower section and being closed by a bottom plate, said casing sections and lplate being removabl secured together, Yan a vertically mova )le valve integrally formed is provided with an ined to c'o-operate with said valve means for positioning said valve tive to said valve faces.

stem mounted in said casing and having opposing valve faces thereon adapted to zzo-operate with said valve seats.

-2. A valve VVcomprising' recesses surrounding the passage therein,

posing valve, seats removably mounted a. casing having said recesses', said valve casing being divided -50 transversely throu h one said recesses forming upper an "lower sections and the other of said recesses o bottom of said lower section and being closed by a' bottomA plate, said casing sections and said bottom plate being together, a vertically molvble Vvalve stem mountedin said casi v' ,integrali formed opposing vaivenoes tllllegreon adapt:-r seats, and seats rela- 3. A valve comprising a casing having recesses surrounding the passage therein, posingr valve seats removably mounted 1n said recesses, said valve casin being divided transversely thron fh one o formingl upper and lower sections and the otherof said recesses opening through the bottom of said lower section and being closed b. a bottom plate, said c asi sections an said bottom plete being removably secured together, a vertically movable valve stem mountedin said casing having integrally'formed opposing valve faces thereon adapted to co-opernte with said valve seats, and removable. skets between the'ends of said recesses am said val've seats for Ai tioning said valve seats relative to said valve faces.` l f 'in testimony whereof we have hereunto signi-d our names.

JOHN A. MACKIE. FREDERICK W. WADDELL removably secured ng' through the said recesses

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