US366702A - Gas-pressure-regulating valve - Google Patents

Gas-pressure-regulating valve Download PDF

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US366702A
US366702A US366702DA US366702A US 366702 A US366702 A US 366702A US 366702D A US366702D A US 366702DA US 366702 A US366702 A US 366702A
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valve
gas
pressure
sleeve
seat
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
    • F04B39/1033—Adaptations or arrangements of distribution members the members being disc valves annular disc valves
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/04—Check valves with guided rigid valve members shaped as balls
    • F16K15/042—Check valves with guided rigid valve members shaped as balls with a plurality of balls
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
    • F16K15/066—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring with a plurality of valve members
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0486—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with mechanical actuating means
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S137/00—Fluid handling
    • Y10S137/907—Vacuum-actuated valves
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7838—Plural
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7847—With leak passage
    • Y10T137/7848—Permits flow at valve interface

Definitions

  • My invention relates to improvements in gas-pressure'regulating valves; and it consists in certain features of construction and in combination of parts, hereinafter described, and pointed out in the claims.
  • the figure is a plan view, mostly in section, of an apparatus embodying my invention, a portion of the sleeve connected with the stutfing-box and a portion of the valve-stem being broken away to reduce the size of the drawing.
  • a and A are respective sect-ions of the easing,each having a cylindrical bore, and the latter section being screwed into the former, as shown.
  • the induction-pipe is connected with the outer or forward end ofsection A,and the discharge-pipe is supposed to be screwed into the nozzle a of section A, neither of these pipes being shown.
  • Aplug, B is screwed into the rear end of section A.
  • This plug has a threaded bore for engaging the threaded portion 0 of the valve (J. Attached to or made integral with this plug is a sleeve, b, with a stuffing-box, I), attached to the outer end of the same.
  • the shank c of the valvestem and the sleeve 7) should be of considerable length, so that in manipulating the valve the threaded section 0 will not enter the stuffingbox.
  • a hand-wheel, O is provided for operating the valve.
  • the valve proper consists of a long slightly-tapering cone, substantially as shown.
  • a sleeve, 1) is made to fit easily inside of section Aof the casing,and has a flange, D, that fits easily in the bore of section A.
  • the sleeve has suitable packing, d, preferably slight metallic rings, to make a tight joint and allow the sleeve to move easily endwise.
  • a detachable valve-seat, d is screwed into or otherwise secured to the inner end of the sleeve D.
  • the object of making the seat detachable is that interchangeable seats, having respectively different-sized openings, may be used, according to the amount of gas that is required for consumption.
  • the sleeve D,bea ring the valve-seat, is supported as against end pressure of gas acting toward the valve, first,
  • the sleeve 0 is supported by a spring F, thelatter being made considerably heavierandstitfer than the spring E.
  • the spring F is seated on the flange g of'the sleeve G, this sleeve also having an easy fit in the cas
  • the sleeve G is supported by a spring,H,
  • the rear end of the spring H abuts against the inner end of the plug B.
  • the internal area in cross-section of section A of the casing is supposed to be so much greater than the capacity of the dischargingpipe that approximately a full pressure of gas is had on the sleeve D and valveseat d.
  • ⁇ Vhere natural gas is used, the pressu rethereof is likely to vary greatly on different days or at different times of the same day. instance, from the limited or extra amount of gas "used at any particular time. It is therefore important to have some device for regulating the supply, so that ,it may be constant under any pressure, and with such arrangement of parts that the amount of gas supplied may be varied at the will ot'the operator.
  • the amount of gas discharged through the apparatus is regulated by adjusting the valve" in or out to reduce or enlarge the opening at the valve-seat, after which the supply is regulated as against the variable pressure by the movable valve-seat. ⁇ Vith a light pressure of gas the valveD and attached valve-seat will be moved rearward a short distance, thereby slightly compressing the spring E. If the pressure be considerably increased, the sleeve D will be forced back until the flange D strikes the forward end of sleeve 6, after which the spring F is brought-into operation, and if the pressure becomes so great that the sleeve 0 is brought against the sleeve 9 the spring H is made to act.
  • valve-seat By having a series ofspringsarranged as aforesaid, a great range of action of the valve-seat is had, so that the flow of gas under highor low This may arise from various causes-for pressu re may be regulated.
  • Theoperatorat any time has only to adjust-the valve, in or out, to give the desired supply of gas forconsumption, after which no further attention is required,so long as substantially'the sameamount of gas is 5 wanted.
  • the bore of the valve-seat should be large enough to admit of the maximum amount of gas wanted nndera minimum pressure, and the taper of the valve should be such as to give substantially a full movement of the valve-seat 10 before closing the opening in the latter.
  • a cylindrical hollow-ended valve adapted to fit into the bore of the valve-seat, such valve having a long V-shaped slit in the wall thereof, the base of such slit presenting rearward, would give, in connection with the I 20 valve-seat, a graduated opening and would 2.
  • valve-seat 3.
  • a valve and mov-, able valve-seats substantially as indicated, of a series of springs, respectively of diflerent tension,forsupporting.the valve-seatasagainst o end pressure toward the valve, substantially as set forth.

Description

(No Model.)
J. THOMAS.
GAS PRESSURE REGULATING VALVE.
No. 366,702. Patented July 19, 1887.
37 Ill/ l/E/V TOR 7 7? fforney I WITNESSES 3% u k Nrrno STATES JOSHUA THOMAS, or CLEVELAND, OHIO.
GAS-PRESSURE-REGULATING VALVE.-
SPECIPICATION forming part of Letters Patent No. 366,702, dated July 19, 1887 Application filed April 19, i887. Serial No. 235,387.
(X0 model.)
To all 111710722, it may concern.-
Be it known that I, JOSHUA THOMAS, of Cleveland, in the county of Ouyahoga and State of Ohio, have invented certain new and useful Improvements in Gas Pressure Regulating Valves; and I do hereby declare the. following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use the same.
My invention relates to improvements in gas-pressure'regulating valves; and it consists in certain features of construction and in combination of parts, hereinafter described, and pointed out in the claims.
In the accompanying drawing, the figure is a plan view, mostly in section, of an apparatus embodying my invention, a portion of the sleeve connected with the stutfing-box and a portion of the valve-stem being broken away to reduce the size of the drawing.
A and A are respective sect-ions of the easing,each having a cylindrical bore, and the latter section being screwed into the former, as shown. The induction-pipe is connected with the outer or forward end ofsection A,and the discharge-pipe is supposed to be screwed into the nozzle a of section A, neither of these pipes being shown. Aplug, B, is screwed into the rear end of section A. This plug has a threaded bore for engaging the threaded portion 0 of the valve (J. Attached to or made integral with this plug is a sleeve, b, with a stuffing-box, I), attached to the outer end of the same. The shank c of the valvestem and the sleeve 7) should be of considerable length, so that in manipulating the valve the threaded section 0 will not enter the stuffingbox. A hand-wheel, O, is provided for operating the valve. The valve proper consists of a long slightly-tapering cone, substantially as shown. A sleeve, 1), is made to fit easily inside of section Aof the casing,and has a flange, D, that fits easily in the bore of section A. The sleeve has suitable packing, d, preferably slight metallic rings, to make a tight joint and allow the sleeve to move easily endwise.
A detachable valve-seat, d, is screwed into or otherwise secured to the inner end of the sleeve D. The object of making the seat detachable is that interchangeable seats, having respectively different-sized openings, may be used, according to the amount of gas that is required for consumption. The sleeve D,bea ring the valve-seat, is supported as against end pressure of gas acting toward the valve, first,
by alight spiral spring, E. This spring at the rear end is seated on an internal flange, e, of
- the sleeve e, the latter having an easy fitin section A of the casing. The sleeve 0 is supported by a spring F, thelatter being made considerably heavierandstitfer than the spring E. The spring F is seated on the flange g of'the sleeve G, this sleeve also having an easy fit in the cas The sleeve G is supported by a spring,H,
ing.
made considerably heavier than the spring F.
The rear end of the spring H abuts against the inner end of the plug B. The internal area in cross-section of section A of the casing is supposed to be so much greater than the capacity of the dischargingpipe that approximately a full pressure of gas is had on the sleeve D and valveseat d. \Vhere natural gas is used, the pressu rethereof is likely to vary greatly on different days or at different times of the same day. instance, from the limited or extra amount of gas "used at any particular time. It is therefore important to have some device for regulating the supply, so that ,it may be constant under any pressure, and with such arrangement of parts that the amount of gas supplied may be varied at the will ot'the operator. The amount of gas discharged through the apparatus is regulated by adjusting the valve" in or out to reduce or enlarge the opening at the valve-seat, after which the supply is regulated as against the variable pressure by the movable valve-seat. \Vith a light pressure of gas the valveD and attached valve-seat will be moved rearward a short distance, thereby slightly compressing the spring E. If the pressure be considerably increased, the sleeve D will be forced back until the flange D strikes the forward end of sleeve 6, after which the spring F is brought-into operation, and if the pressure becomes so great that the sleeve 0 is brought against the sleeve 9 the spring H is made to act. By having a series ofspringsarranged as aforesaid, a great range of action of the valve-seat is had, so that the flow of gas under highor low This may arise from various causes-for pressu re may be regulated. Theoperatorat any time has only to adjust-the valve, in or out, to give the desired supply of gas forconsumption, after which no further attention is required,so long as substantially'the sameamount of gas is 5 wanted. The bore of the valve-seat should be large enough to admit of the maximum amount of gas wanted nndera minimum pressure, and the taper of the valve should be such as to give substantially a full movement of the valve-seat 10 before closing the opening in the latter. By having the valve-seat detachable, differentsizes -of valves and openings in the seat may be used,
. so that the balance of the apparatus may be used where a large or asmall quantity of gas is. is consumed; A cylindrical hollow-ended valve adapted to fit into the bore of the valve-seat, such valve having a long V-shaped slit in the wall thereof, the base of such slit presenting rearward, would give, in connection with the I 20 valve-seat, a graduated opening and would 2. The combination, with a needle valve 0 having a screw-threaded shank for adjusting the valve endwise, of a movable co-operating ,valve-seat made to slide endwise forward or from the valve, and aseries of springs for supporting the valve as against end pressureto- 5 ward the valve, substantially'as set forth.
3. The combination, with a valve and mov-, able valve-seats, substantially as indicated, of a series of springs, respectively of diflerent tension,forsupporting.the valve-seatasagainst o end pressure toward the valve, substantially as set forth.
4. The combination, with. casing, valve, valve-seat, and series of springs, substantially as indicated, of sleeves madeto move insidethe 5 casing, said sleeves having internal flanges or seats for the respective valves, and said sleeves, in their engagementwith each other forming stops to limit the compression of the respective springs, substantially as set forth. 0
In testimony whereof -I sign this specification, in the presence of two witnesses, this 11th day'of April, 1887.
JOSHUA THOMAS.
Witnesses:
CHAS. H. Doann, ALBERT E, LYNCH.
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