US654771A - Valve mechanism. - Google Patents

Valve mechanism. Download PDF

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Publication number
US654771A
US654771A US73229199A US1899732291A US654771A US 654771 A US654771 A US 654771A US 73229199 A US73229199 A US 73229199A US 1899732291 A US1899732291 A US 1899732291A US 654771 A US654771 A US 654771A
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Prior art keywords
valve
partition
piston
fluid
duct
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US73229199A
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Edwin F Van Vechten
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Edwin F Van Vechten
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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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/40Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
    • F16K31/402Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a diaphragm
    • F16K31/404Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a diaphragm the discharge being effected through the diaphragm and being blockable by an electrically-actuated member making contact with the diaphragm

Description

No. 554,771. Pafented July 3|, 1900' E. r. VAN VECHTEN.
VALVE MECHANISM. (Application filed Oct. 2, 1399. (No Model.)
l v witmooao I anvmto'c $332M yww m: "cams rrrzas C0 Pnomumoq WASNINGTON, n. c.
PATENT Qrricn.
nnwm F .f-vAN.vEoHrEN, or MILwAUKEn wIsconsm.
VALVE MECHANISM.
srncxrren'rronjro hi b n; of Letters Patent No'. 654=, 771,' dated July 31, 1900.
" Application fildZOetoherZ, 1899.
T all whom it may concern:
Be it known that LED IN F. VAN VEOHTEN, a citizen of the United States, residing at Milwaukee, in the county of Milwaukee and State of Wisconsin, have invented new, and useful Improvements in Valves and Valve Mechanisms, of whichthe following is a specification. My invention relates toimprovements in Valves and valve mechanisms, and pertains especially to that class of improvements shown and described in an application for Letters Patent on valves filed by me on June 12, 1899,
' Serial N 0. 720,199, and to which reference is" hereby made, y
The objects of my invention are, first, toprovide means whereby infa valve closing with the pressure such pressure may be'utilized to assist in opening the main valve, and, second, to provide meansfor automatically closing the valve after apredetermined interval, whereby a given quantity of liquid will be discharged whenever the valve is opened.
In the following description reference is had to the accompanying drawings, in which-- Figure 1 is acentral vertical sectional view of my invention drawn on the axes of the valve-ports and showing the valve closed. Fig. 2 is an elevation of the same on a reduced scale, showing the actuating-lever from the side. Fig. 3 is a similar View to that shown in Fig. 1, but with the valve open, and also illus-i trating a modified form of construction. Fig! 4 is a sectional view, reducedscale, illustrat-i ing a further modification, this view being also drawn on the axes of the valve-ports. Like parts are identified by the same reference-letters throughout the several views.
and O the inlet andoutlet ports, respectively, and D the main-valve. The upper portion of the casing is formed into a cylinder E, in which a partition F is located, the partition F being connected with the valve by a tubular connection G, communicating with the discharge and in which a small relief-valve His located. It will of course be understood that while the partition F is illustrated as apiston a diaphragm or any other'movable' part adapted to perform the same function may be used as an equivalent therefor. The tube G is provided with apertures I, communicating between the interior of the tube and the cyl- Serial No. 732,291. (Ni; niodh) auxiliary or relief valve H. When the lever.
L ,is actuated ,to'open' the valve", the valve H is first lifted into contact-with the shoulders P in thetubeG,wheuthe'fluid abovethe piston F is. permittedto' escape freely into the discharge through the tube G and around the relief-valve 1-1. As soon as the pressure above the piston is relieved the pressure of the supply'fiuidbelow the piston tends to force the latteri upwardly, and thus open the main valve DI ,Wherethe' piston is of larger area than the main'valve, the latter will obviously be thus opened bythe pressure of the supply fluid indep'endently'fof any pressure exerted uponrthe lever L other than that re- .qui'red'for opening the auxiliary valve'H. In
' use,however,'the lever L is continuously actuated until the piston F reaches the upper end of the cylinder, as shown in Fig. 3. When the valve has been opened, as above described, the same may be again closed by a spring or weight or by the pressure of the hand upon the lever L. In the drawings 1. jhave shown a spring Q, located in thetube Q and adapted to bear upon the auxiliary .valve I-I. The effect of the spring or ofany' reactionary pressure exerted upon the auxil Referring to Fig. 1, A is the valve-casing, B
iaryvalve or its actuating connections is first to close thevalveH and then to move the main valve toward its seat. The latter'niovement is retarded by the tendency to form a vacuum behind the piston F, and as the infiow oil water to this portion of the cylinder is controlled by the regulating device K it is obvious that the movement of the main valve toward its seat can be regulated to correspond with the time during which it'- is desired that the valve shall remain open.
Referring to the construction shown in Fig. 3, it will be observed that it is substantially the same as that shown in Fig. 1, except that I have provided a partition R between the piston-cylinder and the valve-chamber, with a check-valve S to freely admit the supply fluid to the space underneath the piston F.- During the downward movement of the piston this fluid is forced through a duct T, which is also provided with a regulating device, such asa set-screw K, by means of which the escape of the fluid through the duct T is controlled. With this construction it is not necessary to provide aregulator for the duct J at the lower end of the tube G, for the fluid underneath the piston acts as a cushion to retard the downward .Tmovement of the piston. P a
In Fig. 4 I have illustrated a formof conev struction in which the valvesactuatingconnections are located between the valve and.
the'valve-controllingpiston. The valve stem O is located in. the tube G, and motion is communicatedto open the auxiliary valve H from the rock-shaft M, through the arms N" and U, shaft U, and the arm V within the tube G, the arm N being provided with a slot '11, inwhich the coupling-pin of the arm U engages, so as to. permit the two arms to rock freely upon their centers without cramping. 1, In this construction when the auxiliary valve is opened the supply fluid passes through the tube G andenters the pistoncylinder above the piston through a check valve S" at the. upper end of the tube. During the return movement of the piston this fluid escapesto the discharge-port through a duct W, provided with a regulating device K. It will be understood that where it is not desired to. prevent the valve from closing immediately the regulating devices may be omitted, and where it is not desired that the valveshall close automatically the springs or weights supplied for that purpose may also be omitted. In such case the valves may be 1 closed when desired by actuating the valvele'ver L.
Having, thus described my invention,.what
I claimas new, and desire to secure by Letters Patent, is-
1. The combination, of a valve-casing prov .vided with inlet and exhaust ports; a movable partition; a main valve; a tubular connection communicating through said main valve and partition; a duct leading through said; tubular connection between the main h valve and partition; an auxiliary valve controlling the passage ofv fluid through saidtubular connection below said duct; and connections for actuating both valves.
2. The combination, of a valve-casing provided with inlet andv exhaust ports; a movable partition a'mai'n valve; a tubular connection communicating. through said main valve'and partition; a duct leading through i said tubular connection between the main 1 valve and partition; an auxiliary valve controlling the passage of fluid through said tubular connection below said duct; and connections for actuating both valves,-together with a spring engaging the upper portion of the casingand extending downwardly through said tubular connection to the auxiliary valve, said spring being adapted to automatically close the valves.
' 3. The combination of a valve-casing provided with inlet and exhaust ports; a pistoncylinder formed in said casing; a piston located therein; a main valve; a tubular connection extendingv through the main valve and piston, and securedto both; a passage communicating between the source of supply fandsaid piston; cylinder beyond the piston;
an auxiliary valve controlling the passageof fluid through the tubular connection "to the exhau st-port a partition located between'the piston-cylinder and the mainvalve; a checkvalve located therein and adapted.- topermit the fluid to pass into said cylinder; aduct leading from said cylinder tofa suitable-point of discharge; and a regulating device controlling the passage of fluid therethrough.
4. The combination of. avalve-ca-singprovided with inletand exhaust ports a movable partition; amain valve connected there= with by a tubular connection; an auxiliary valve located in said tubular connection; a
duct communicating between the source of supplyand the interior of said tube above theauxiliary valve; a stationary partition interposed between the sourceof supply and the movable partition; :1. valved aperture l adapted to permitthepassage of fluid through.
the stationary partition; a. relief-duct also leading through said partition. to a suitable point of discharge; andvalve-actuating con- .nection for said valves.
5. The combination of a valve-casingprovided with inlet and exhaust. ports; a movable partition; a in ain valve connected there- .with by a tubular connection; an auxiliary valve located in said tubular connect-ion; av spring interposed between the auxiliary valve:
and the upper portion of the valve-casing,
and supported laterally by said tubular con= nection a ductmcommunicati-ng between the i source of supply and the. interior ofsaid tube. above the auxiliary valve; a stationary par- ,tition interposed between the source'of supply and the movable-partition; a valved: apjerture adapted to permit the passage ofi fluid I through the stationary partition; a relief-duct also leading. through said partition toa suit- ,able point ofdischarge; and'val-ve-actuating joonnections for said valves.
In testimony whereof I afiix my signature gin the presence of. two witnesses.
EDWIN F. VAN vscnrniv.
US73229199A 1899-10-02 1899-10-02 Valve mechanism. Expired - Lifetime US654771A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619102A (en) * 1946-01-11 1952-11-25 Willard Storage Battery Co Battery nonspill vent plug
US2729419A (en) * 1950-09-23 1956-01-03 Opw Corp Shock proof loading valve
US3167095A (en) * 1961-02-02 1965-01-26 Dover Corp Automatic shut-off loading valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619102A (en) * 1946-01-11 1952-11-25 Willard Storage Battery Co Battery nonspill vent plug
US2729419A (en) * 1950-09-23 1956-01-03 Opw Corp Shock proof loading valve
US3167095A (en) * 1961-02-02 1965-01-26 Dover Corp Automatic shut-off loading valve

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