US840583A - Relief-valve. - Google Patents
Relief-valve. Download PDFInfo
- Publication number
- US840583A US840583A US1906303508A US840583A US 840583 A US840583 A US 840583A US 1906303508 A US1906303508 A US 1906303508A US 840583 A US840583 A US 840583A
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- United States
- Prior art keywords
- valve
- shell
- outlet
- inlet
- float
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/20—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by floats
- F16T1/22—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by floats of closed-hollow-body type
- F16T1/24—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by floats of closed-hollow-body type using levers
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2931—Diverse fluid containing pressure systems
- Y10T137/3003—Fluid separating traps or vents
- Y10T137/3021—Discriminating outlet for liquid
- Y10T137/304—With fluid responsive valve
- Y10T137/3052—Level responsive
- Y10T137/3068—Float
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/6198—Non-valving motion of the valve or valve seat
- Y10T137/6253—Rotary motion of a reciprocating valve
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7287—Liquid level responsive or maintaining systems
- Y10T137/7313—Control of outflow from tank
- Y10T137/7323—By float
Definitions
- My invention relates to that class olde- .vi,oes.f commonly known as water-relief vio valves or traps, principallyemployed upon steamsys temsto dischargethe 'water of condensation'or ot her entrained liquid l r'om the I variousportions thereof ithout unnecessarywaste of steam ⁇ 1 5w.m'l'heobiect of my inventionis to-prod tree a simple and durable device of the kind depscribedfone that is entirely reliable in opera- Etion and not liable to become cloggt-ld or inop- ,erative when in use byincrustation or by 'th'e ,2'0 accumulation of fore gn matter withln the shell.
- Fig. 2 is-a section taken substan- --tially'on line 2 2 of Fig; 1.
- Fig. 3 is asection "i'similar to that shown in Fig. 1, showing a slight modification.
- Fig.4 is a section. taken 7
- Fig. 5 is a section sin'iilar to that shown in Figs. ,1 and 3, showing another slight modification; and
- Fig.6 is a section taken substantially on line 6'6'of Fig.
- I shell 1 is adapted to form a part .ot a steam 4.5 system and to be connected therewith by means of an' inlet 3," preferably positioned near the top, and an outlet 4. at the'bottom of,
- a-valve-seut 5 of any suitable form is provided at the'inner endof the out let .4, and a tubular'valvefiis npnovided .to,
- l .pin 9 extends downjward wrth n the tubular 1 end my lnvention conslsts in the bottonrof the shell, a p blades ll are' provided inner end of inlet ably to .alihe about "'r oriuo l I i fraitenyaqair. 83-19 7.
- valve 6 any preferred forin. or type is provided ith in the shell to control th'etp'osition ofqthe 5 valve 6 by the amount of liquid Méicl. shell. Any suitable form of valve and valve-.seatd may be employed.
- thevalve 6 consists merely of 'anopen tubular member rigidly attached to the float 7, and the :valve 5 a suitably formed shouldenat'thebottom of a conical recess 8 inthe bottom of the shell 1, both the recess and the shoulderbeing preferably concentric withthe mitlet-opening l.
- the upper end of the tubular valve (Sis also open, and a pin 9, with a partofsuitable size 1 to snug] y fit the opening, is ri gri-(lly mounted upon the cap 2, projectingdownwardinto the valve] thus'serving as a for the valve and to balance the same-against any pressure in the shell 1 or vacuum in the-0ut-
- thefiistanoe the valve 6 is not of particular i1nportanc,pro-' 7 5 vlded it extends'sufliciently far and -isof suitable siZe' to suitably guide the valve'fi.
- one or more vcnt or air tubes- 14 are provided, connected to the body of the valved with their free ends in proximityto the bot tom of thc shell, thus serving in place oi" the arms H] to agitate the liquid in the shell 1, also to remove a portion of the liquid in the shell and to prevent airlocking.
- the tubes 14 also tend to partially equalize the pressure in tho shell ly and in the outlet 4, thus leaving the valve more sensitive to the action of the float.
- the dill'oronce in iressure hotwcen thc'intorior of the shell and in the outlet 4 is sull'icient, with the abovddescribed equalizing means, to hold the valve to the seat 5 with considerable i'oi'cc.
- considerable space is left, between tho ends oi" tho lugslz and the walls of the float, so that tho top oi tho valve may be moved about by tho fluid entering the shell- 1 from the inlet 3, thus rocking the valve upon its seat and completely releasing the same.
- Whore thoinletfi is formed ass town in Fig. 6 and the blades ll. .aro providedu mm the float 7, the sli ht rotary tendency oi the float and valve also ass sts in freeing he valve i'romtho dillerenw in pressure above referred to.
- the lugs 12 may be ionmed ol' auysuitable composition and attached to the wall of the shell.
- a composition facing may be provided upon the recess 8 and valvcssoal, 5, as shown in Fig. 3, and, if found desirable, other contact-surfaces may he faced with composition or other suitable means em-- played to rrevent metallic contact between the niovab o and stationary parts of my deand in the drawings the prcfcncd forms of To partially overcome.
- this tcndcncynml insure the proper uir-vcntundorstoml as limiting myself to. the exact term or construction shown, as various immatorial mmlilications may he nadein my and an outlet, and means for connecting said l l ing an inclosing shell provided with an lnlet l l shell in a steam system, in combination with operated by the liquid as it enters said shell l for agitating the liquid in said shell.
- a device of the kind described com risl in an inolosing shell provided with an inlet l and an outlet and means for connecting the same-in a steam system, a valve-seat at the l inner end of said outlet, a valve cot) )crating with said valve-scat to control sai outlet and a iloat controlling the operation of said JlltlVo, in com l)lllttl.l()ll h one or more memhers connected to said iloat and arranged in proximity to the bottom of said shell, and means for revolving said members about the valve to agitate the lit uid in the shell.
- a device of the kind described comprising an inclosing shell provided with an inlot'and an outlet, and. means for connecting the same in a steam system, in combination with a valvc-seat positioned below the bottom of said shell at the inner end of said outlet, a valve cooperating with and terminating at said valve-scat positioned to control said outlet, and a iloat controlling the operation of said valve.
- a device oi the kind described, comprising an inelosing shell provided with an inlet and an outlet, and means for connecting the same in a steam system, in combination with a conical recess positioned in the bottom of said shell about the inner end of said outlet, with a valve-seat forming the bottom oi said recess, a valve coo :cratmg, with said valve-- seat to control sai outlet, and a Host controlling the opcratim'i of said valve.
- a device of the kind described, corn irising it]! inclosing shell having a slightly-how perod bottom, and providcdwith an inlet and an outlet and means for connecting th same in a steam system, in combination wil H n. conical recess positioned in the bottom i said shell at the apex of said hopper and about the inner end of said outlet, with a vnlvcsseat l ol'llli ng the bottom of said recess, a valve cm'ipcrating with said valve-scat to control said outlet and a lloat controlling' the operation of ssh. valve.
- a device of the hind described comprising an inelosiog shell provided with an inlet and an outlet, and means for connecting the means for controlling said outlet, and means tom of said'reoess cooperating with said valve to control said outlet.
- valve-seat at the bottom of said shell and ating with said valve-seat to control said outlet, a float controlling the operation of said valve, and a conical guide-recess inclosing said valve-seat and controlling the transverse position-of said valve.
- a device of. the kind described comprising' an inclosing shell provided with an inlet and anoutlet, andmeansfor connecting the same in a steam'system, in combination with a valve, a float to control the operation of said valve, said shell about said outlet, toguide said valve to its seat, and a valve-seat at the bot- 8.
- an inclosing shell providedwithan'inlet and an outlet, and a float positioned within'said hell, combinationwith a plurality of blades upon said float, extendinglongitudinally of said shell the in ier end of said inlet being substantially ta igent to the shell,
- inclosing shell provided with an inlet and an outlet, and means for connecting the same in a steam system, 1n comb natlon with means a valve co6per-.
- an 3 1-2 In a device of inclosing shell provided with an inlet and an outlet, and means for connecting-the same a steam system, in combination with a tubular valve arranged tocontrol said outlet, and one or more tubular members extending from near the bottom of said shell into said tubu 5 5 lar valve. I p 13.
- a relief-valve an inclosing shell provided with an inlet and an outlet and a removable part rigidly secured to said shells at the inner endof said outlet valve-seat and a conical guide-recess lllQlQS,
- valve-seat ing said valve-seat andadapted to direct a] valve to said valve-seat.
- inclosingshell provided with an inlet and an 6 outlet, and a tubular valve arranged to con- 7'' trol said outlet, in combination with one or more tubular members extending from a point near the bottom of said shell into said tubue.
- lar valve independentmeansfor controlling thetransverse position of each end of, said 80 valve, and means tending to rotate said valve to agitate the fluid nearthe bottom of said shelL'
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Description
N0. 840,588 PATENTED JAN. 8, 1907. v W. D.'PIOKELS.
RELIEF VALVE. APPLICATION FILED r123. 20, 1906.
2 SHEETS-SHEET 1.
BIO-840,583. PATENTED JAN 8, 1907. W. D. PIUKELS.
RELIEF VALVE.
APPLICATION FILED 133.28, 1906.
2 sums-sum 2.
I 35; substantially on line 4,4 of Fig. 3.
. fj UNITE sures Applicatiou filed February 28, 1906. Serial lie-3035M.
My invention relates to that class olde- .vi,oes.f commonly known as water-relief vio valves or traps, principallyemployed upon steamsys temsto dischargethe 'water of condensation'or ot her entrained liquid l r'om the I variousportions thereof ithout unnecessarywaste of steam} 1 5w.m'l'heobiect of my inventionis to-prod tree a simple and durable device of the kind depscribedfone that is entirely reliable in opera- Etion and not liable to become cloggt-ld or inop- ,erative when in use byincrustation or by 'th'e ,2'0 accumulation of fore gn matter withln the shell.
To this novel construction, arrangement, 'and. com- :binationof parts herein shown and described,
2 5 and .ITIOIG" particularly pointed out '-in the claims. 7 l W In the accompanying drawings, wherein.
' like or'similar reference characters. indicate.
"like or corresponding part's liigure l is a ver-" 3o 'tical substantially diametrical section of my device. Fig. 2 is-a section taken substan- --tially'on line 2 2 of Fig; 1. Fig. 3 is asection "i'similar to that shown in Fig. 1, showing a slight modification. Fig.4 is a section. taken 7 Fig. 5 is a section sin'iilar to that shown in Figs. ,1 and 3, showing another slight modification; and
Fig.6 is a section taken substantially on line 6'6'of Fig.
4o In .the'preferred fornrof iny device. shovvn.
inthe drawingsyl is a suitable shell or casing =jptovided Witha removable cap 2 for afl'ording;convenient accessto itsfinterior. The I shell 1 is adapted to form a part .ot a steam 4.5 system and to be connected therewith by means of an' inlet 3," preferably positioned near the top, and an outlet 4. at the'bottom of,
'theshell; Suitable meansare'also provided to; control the escape "of liquid fIOllI-tllO shell 56 1. As shown, a-valve-seut 5 of any suitable form is provided at the'inner endof the out let .4, and a tubular'valvefiis npnovided .to,
{with the valve seat'. A float 7 of I .WILLIAM D. PIGKELS, oi CHICAGO, I L-mots.
l ELIEF-VALVE.
Specification of. Letters Patent. I
let-opening 4. l .pin 9 extends downjward wrth n the tubular 1 end my lnvention conslsts in the bottonrof the shell, a p blades ll are' provided inner end of inlet ably to .alihe about "'r oriuo l I i fraitenyaqair. 83-19 7.
any preferred forin. or type is provided ith in the shell to control th'etp'osition ofqthe 5 valve 6 by the amount of liquid insaicl. shell. Any suitable form of valve and valve-.seatd may be employed. As shown, thevalve 6 consists merely of 'anopen tubular member rigidly attached to the float 7, and the :valve 5 a suitably formed shouldenat'thebottom of a conical recess 8 inthe bottom of the shell 1, both the recess and the shoulderbeing preferably concentric withthe mitlet-opening l. In the forms'shown in Figs. land 3 the upper end of the tubular valve (Sis also open, and a pin 9, with a partofsuitable size 1 to snug] y fit the opening, is ri gri-(lly mounted upon the cap 2, projectingdownwardinto the valve] thus'serving as a for the valve and to balance the same-against any pressure in the shell 1 or vacuum in the-0ut- Obviously thefiistanoe the valve 6 is not of particular i1nportanc,pro-' 7 5 vlded it extends'sufliciently far and -isof suitable siZe' to suitably guide the valve'fi. In. the form shown in Figs-f1 and 3'thepin 9-eX-' tends do'wnwardbut a comparatively short.- distanoe, being intended to 'n'ierely guide the top of the valve and float, while the conical recess 8, thedepthoi hicl'risslightly greater.
than thepossilllemovement'of the valve, operates gu de for the lower end of the valve; l
s In the prolerred foiirn the bottom of the I shelll is slightly hoppered 'tOxvardthecntef and the walls of the re'ccss'are flush with the adjacent bottom of the shell," sothat any small particlesof sc al eymst, hr otlrerfioreign 9o matter enteringithe she'll willfbe carried at once to the con cal rec anr'ldischarged at the outlet ft when next, he valve 6 raised. 111 the ior n shown in Fig; 1. the natural wash of theliquid 'ei' tjering' and leaving the shell 5 depen led upon-td'earfy all foreignniatter .to theoutl t butin Figsfi liariil 5f this oper atiqltisj istll tlienrov'einrhts, oft/he .partswit theshell}:
. .In; El; Eai d any "desired hiun'br of e .proyided' "p him rto the a'lity? Wings or fihat and the i ma y. rioig'of the. shell} r; prefen 1 o 5 W s ear hs. l
tangent to their;
. side oi the shell positionml to engage theln,th1s form the vnlrc is -Vicie. While in .tho forcgmng specification isuinc ill a steam system, in conibinnlion 1th side of. the float 7 and shell, so that liquid my device are described, I do not Wish to be entering the device will tend to impinge,
fairly against the blades 11, rotate the float and connected parts, thus causing the arms 10 to agitate the liquid in the shell, particularlynear the bottom, and prevent particles 1 suspended in the liquid from scttlingupon the bottom of the shell and possibly adher- .ing thereto.
in Figs. 5 and ii the upper end of the tubio lar valve 6 is permancrnly closed, and this portion of the valve and Host is guided by a plurality of lugs or proioctions 12 upon the sides oi the lloat. partially unbalanced that is, any pressure within the shell I or any vacuum iii the outlet 4 will tend to hold the valve ii more sccurely to its scat.
ing of this form oi valve, one or more vcnt or air tubes- 14 are provided, connected to the body of the valved with their free ends in proximityto the bot tom of thc shell, thus serving in place oi" the arms H] to agitate the liquid in the shell 1, also to remove a portion of the liquid in the shell and to prevent airlocking. The tubes 14 also tend to partially equalize the pressure in tho shell ly and in the outlet 4, thus leaving the valve more sensitive to the action of the float.
In some cases the dill'oronce in iressure hotwcen thc'intorior of the shell and in the outlet 4 is sull'icient, with the abovddescribed equalizing means, to hold the valve to the seat 5 with considerable i'oi'cc. To prevent this from interfering with the operation of tho Valve, considerable space is left, between tho ends oi" tho lugslz and the walls of the float, so that tho top oi tho valve may be moved about by tho fluid entering the shell- 1 from the inlet 3, thus rocking the valve upon its seat and completely releasing the same. Whore thoinletfi is formed ass town in Fig. 6 and the blades ll. .aro providedu mm the float 7, the sli ht rotary tendency oi the float and valve also ass sts in freeing he valve i'romtho dillerenw in pressure above referred to.
Where the movements of the valve and iloat, especially in the lnst-descnibed form, tend to produce an undesirable amount ol noise, the lugs 12 may be ionmed ol' auysuitable composition and attached to the wall of the shell. Also a composition facing may be provided upon the recess 8 and valvcssoal, 5, as shown in Fig. 3, and, if found desirable, other contact-surfaces may he faced with composition or other suitable means em-- played to rrevent metallic contact between the niovab o and stationary parts of my deand in the drawings the prcfcncd forms of To partially overcome. this tcndcncynml insure the proper uir-vcntundorstoml as limiting myself to. the exact term or construction shown, as various immatorial mmlilications may he nadein my and an outlet, and means for connecting said l l ing an inclosing shell provided with an lnlet l l shell in a steam system, in combination with operated by the liquid as it enters said shell l for agitating the liquid in said shell.
, I 2. A device of the kind described, com risl in an inolosing shell provided with an inlet l and an outlet and means for connecting the same-in a steam system, a valve-seat at the l inner end of said outlet, a valve cot) )crating with said valve-scat to control sai outlet and a iloat controlling the operation of said JlltlVo, in com l)lllttl.l()ll h one or more memhers connected to said iloat and arranged in proximity to the bottom of said shell, and means for revolving said members about the valve to agitate the lit uid in the shell.
25. A device of the kind described, comprising an inclosing shell provided with an inlot'and an outlet, and. means for connecting the same in a steam system, in combination with a valvc-seat positioned below the bottom of said shell at the inner end of said outlet, a valve cooperating with and terminating at said valve-scat positioned to control said outlet, and a iloat controlling the operation of said valve.
4. A device oi the kind described, comprising an inelosing shell provided with an inlet and an outlet, and means for connecting the same in a steam system, in combination with a conical recess positioned in the bottom of said shell about the inner end of said outlet, with a valve-seat forming the bottom oi said recess, a valve coo :cratmg, with said valve-- seat to control sai outlet, and a Host controlling the opcratim'i of said valve.
5. A device of the kind described, corn irising it]! inclosing shell having a slightly-how perod bottom, and providcdwith an inlet and an outlet and means for connecting th same in a steam system, in combination wil H n. conical recess positioned in the bottom i said shell at the apex of said hopper and about the inner end of said outlet, with a vnlvcsseat l ol'llli ng the bottom of said recess, a valve cm'ipcrating with said valve-scat to control said outlet and a lloat controlling' the operation of ssh. valve.
6. A device of the hind described, comprising an inelosiog shell provided with an inlet and an outlet, and means for connecting the means for controlling said outlet, and means tom of said'reoess cooperating with said valve to control said outlet. a
. the inner end of said outlet,
of the shell.
a valve-seat at the bottom of said shell and ating with said valve-seat to control said outlet, a float controlling the operation of said valve, and a conical guide-recess inclosing said valve-seat and controlling the transverse position-of said valve.
7. A device of. the kind described, compris ing' an inclosing shell provided with an inlet and anoutlet, andmeansfor connecting the same in a steam'system, in combination with a valve, a float to control the operation of said valve, said shell about said outlet, toguide said valve to its seat, and a valve-seat at the bot- 8. A devioeoit' the kinddescribed,comprising an inclosing shell provided with an inlet and an outlet and meansfor connecting'the same in a steam system, a valve controlling said outlet, and a I with a plurality. of blades floatcontrolling said valve, in combination upon the exterior of said float, and means for directing the fluid entering said shell against said blades to rotate said valve and agitate the fluid in the shell. I
9. In a device of the kind described, an inclosing shell providedwithan'inlet and an outlet, and a float positioned within'said hell, combinationwith a plurality of blades upon said float, extendinglongitudinally of said shell the in ier end of said inlet being substantially ta igent to the shell,
whereby iquid enterihg 'saidpshell will imblades and tend torotate.
shell which pingc upon said said float. 1
10. In a relief-valve, an inclo sing provided with an inlet the inner end 0 is substantially tangent to the inner surface 11. In a device of the kind described, an
inclosing shell provided with an inlet and an outlet, and means for connecting the same in a steam system, 1n comb natlon with means a valve co6per-.
a conical recess inthe bottom of 'more; tubular .members signed my for controlling said outlet, and means forcon tinuously discharging fluid from near the bottom of said shell into saidoutlet. I
the kind described, an 3 1-2. In a device of inclosing shell provided with an inlet and an outlet, and means for connecting-the same a steam system, in combination with a tubular valve arranged tocontrol said outlet, and one or more tubular members extending from near the bottom of said shell into said tubu 5 5 lar valve. I p 13. In a relief-valve, an inclosing shell provided with an inlet and an outlet and a removable part rigidly secured to said shells at the inner endof said outlet valve-seat and a conical guide-recess lllQlQS,
ing said valve-seat andadapted to direct a] valve to said valve-seat.
14. In a device of the kind described, an
inclosingshell provided with an inlet and an 6 outlet, and a tubular valve arranged to con- 7'' trol said outlet, in combination with one or more tubular members extending from a point near the bottom of said shell into said tubue. lar valve, independentmeansfor controlling thetransverse position of each end of, said 80 valve, and means tending to rotate said valve to agitate the fluid nearthe bottom of said shelL' In testimony whereof I have hereunto scribing witnesses: a v
' WILLIAM D. PIGKELSI Witnesses: v v
BURTON U: HILLs,
' CHARLES 1.00313.
comprising a ame in the. presenceof two sub-
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1906303508 US840583A (en) | 1906-02-28 | 1906-02-28 | Relief-valve. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1906303508 US840583A (en) | 1906-02-28 | 1906-02-28 | Relief-valve. |
Publications (1)
Publication Number | Publication Date |
---|---|
US840583A true US840583A (en) | 1907-01-08 |
Family
ID=2909054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US1906303508 Expired - Lifetime US840583A (en) | 1906-02-28 | 1906-02-28 | Relief-valve. |
Country Status (1)
Country | Link |
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US (1) | US840583A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2466946A (en) * | 1942-12-10 | 1949-04-12 | Groom Reginald William | Blowdown valve |
US20040261845A1 (en) * | 2003-06-30 | 2004-12-30 | Sishtla Vishnu M. | Float valve for pulsating flow |
US20060162778A1 (en) * | 2003-08-25 | 2006-07-27 | Nichols Randall W | Drain valve |
-
1906
- 1906-02-28 US US1906303508 patent/US840583A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2466946A (en) * | 1942-12-10 | 1949-04-12 | Groom Reginald William | Blowdown valve |
US20040261845A1 (en) * | 2003-06-30 | 2004-12-30 | Sishtla Vishnu M. | Float valve for pulsating flow |
US6857445B2 (en) * | 2003-06-30 | 2005-02-22 | Carrier Corporation | Float valve for pulsating flow |
US20060162778A1 (en) * | 2003-08-25 | 2006-07-27 | Nichols Randall W | Drain valve |
US7753069B2 (en) * | 2003-08-25 | 2010-07-13 | Bendix Commercial Vehicle Systems Llc | Drain valve |
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