US2042906A - Balanced pressure regulator - Google Patents

Balanced pressure regulator Download PDF

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Publication number
US2042906A
US2042906A US32793A US3279335A US2042906A US 2042906 A US2042906 A US 2042906A US 32793 A US32793 A US 32793A US 3279335 A US3279335 A US 3279335A US 2042906 A US2042906 A US 2042906A
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United States
Prior art keywords
casing
lever
pressure regulator
rocker arm
levers
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Expired - Lifetime
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US32793A
Inventor
Clayton B Mcelwaine
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HENRY N GREIS
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HENRY N GREIS
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Priority to US32793A priority Critical patent/US2042906A/en
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
    • G05D16/0675—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting on the obturator through a lever
    • G05D16/0697—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting on the obturator through a lever using several membranes

Definitions

  • This invention relates to a balanced pressure regulator, the general object of the invention being to provide means for resisting the outward movement of the diaphragms of a pressure regulator in which the internal pressure causes the diaphragms to move outwardly to close or partly close a controlling valve.
  • Figure 1 is a vertical sectional view through 2 the regulator with the external pressure applying means in elevation
  • FIG. 2 is a section on line 2 2 of Figure 1
  • Figure 3 is a section on line 3-3 of Figure 1.
  • the letter A indicates a casing 25 which is composed of substantially circular part I having the base 2 and the upstanding ears 3 at its top and the outwardly bowed side plates 4 which are fastened to the part I by the bolts 5.
  • the pair of diaphragms 6 are held in place lagainst the sides of the part I by -the clamping action produced by the plates 4 when the bolts are tightened.
  • a guide member I is slidably arranged in the opening 8 which extends from the bottom of the casing through the base and this guide is connected to a rod I which is connected to an upwardly closing valve.
  • the base 2 is connected tothe valve casing by a passage so that the Huid under pressure passing through the valve casing will form pressure in the diaphragm casing as the pressure can pass by the guide l.
  • a bolt I I passes through each diaphragm and through a plate I2 which rests against the outer face of the diaphragm and thru a boss I3 on each plate 4.
  • Nuts I4 are threaded on the outer part of the bolt and clamp the diaphragm and plate between themselves and the internal head I6 of the bolt.
  • a pair of toggle levers I6 have their upper ends pivoted t0 a projection I7 in the upper part of the casing A, and a second pair of toggle levers I8 have their lower ends pivoted to the top of the guide l, the other ends of the two sets of levers being connected by links I9 to the heads I of the bolts.
  • Each lever is of the double construction shown in Figure 2, with the two parts of one lever passing between the two parts of the companion lever.
  • a pair of levers 20 have their lower ends pivoted to the casing as shown at 2 I, these levers having recessed bosses 22 for receiving the outer ends of the bolts and the upper ends of the levers are connected by the links 23 with the rocker arm 24 pivoted between the projections 3, by the pin 25.
  • This pin passes through the center of the rocker arm, and one of the arms or links 23 is pivoted to the lower end of the arm and the other to the upper end thereof as shown.
  • a plate 26 is fastened to one side of the rocker arm and has an outwardly extending flange or ledge 21 thereon spaced from its upper end which forms a seat for a' lever 28 which is fastened to the upper part of the plate 26, as shown at 29.
  • a collar 30 is adjustably connected with the outer part of the lever and supports a weight 3
  • weighted lever 28 acts through the rocker arm 24, the links 23 and the levers 20 to resist outward movement of the diaphragms and this resistance can be increased or decreased by adjustment of the weight.
  • a pressure regulator including a casing having a pair of diaphragms therein moved outwardly by pressure, members connected with the diaphragms and extending outwardly, a pair of levers located exteriorly of the casing and engaging the outer ends of said members, a rocker arm, a link connecting one lever to the rocker arm to one side of the pivot thereof, a link connecting the other lever to the other side of the pivot thereof, and a weighted lever connected with the rocker arm for resisting outward movement of the levers.
  • a pressure regulator casing including a pair of vertically arranged diaphragms moved outwardly by pressure within the casing, members connected with the diaphragms and extending through the sides of the casing, a pair of levers pivotally supported at their lower 10 ends and having portions engaging the outer ends of said members, a rocker arm pvoted intermediate its ends to the top of the casing, a, link connected to the lower end of the rocker arm and to the upper end of one lever, a link connecting the upper end of the rocker arm and to the upper end of the other lever, a plate connected with the rocker arm, a lever connected with the top of the plate, and a Weight adjustably arranged on the lever.

Description

j@ 2 i935 c. B. MOELWAINE BALANCED PRESSURE REGULATOR Filed July 23, 1955 .fd f y E y f/ ff 'O/vsl i! Z' 1 if Q J Q1 Z "1J 2 l E l, ,/7 d l o o D o III Ap /5 4 .7
-fa s Z/ ,j 'fl nuenlor Patented June 2, 1936 UNITED STATES PATENT OFFICE Clayton B. McElwane, Tulsa, Okla., assigner of fifty-one per cent to Henry N. Greis, Tulsa,
Okla.
Application July Z3, 1935, Serial No. 32,793
2 Claims.
This invention relates to a balanced pressure regulator, the general object of the invention being to provide means for resisting the outward movement of the diaphragms of a pressure regulator in which the internal pressure causes the diaphragms to move outwardly to close or partly close a controlling valve.
'This invention also consists in certain other features of construction and in the combination and arrangement of several parts, to be hereinafter fully described, illustrated in the accompanying drawing and specifically pointed out in the appended claims.
In describing the invention in detail, reference will be had to the accompanying drawing wherein like characters denote like or corresponding parts throughout the several views, and in which:-
Figure 1 is a vertical sectional view through 2 the regulator with the external pressure applying means in elevation,
Figure 2 is a section on line 2 2 of Figure 1, Figure 3 is a section on line 3-3 of Figure 1. In this drawing, the letter A indicates a casing 25 which is composed of substantially circular part I having the base 2 and the upstanding ears 3 at its top and the outwardly bowed side plates 4 which are fastened to the part I by the bolts 5. The pair of diaphragms 6 are held in place lagainst the sides of the part I by -the clamping action produced by the plates 4 when the bolts are tightened. A guide member I is slidably arranged in the opening 8 which extends from the bottom of the casing through the base and this guide is connected to a rod I which is connected to an upwardly closing valve. Of course, the base 2 is connected tothe valve casing by a passage so that the Huid under pressure passing through the valve casing will form pressure in the diaphragm casing as the pressure can pass by the guide l.
A bolt I I passes through each diaphragm and through a plate I2 which rests against the outer face of the diaphragm and thru a boss I3 on each plate 4. Nuts I4 are threaded on the outer part of the bolt and clamp the diaphragm and plate between themselves and the internal head I6 of the bolt. A pair of toggle levers I6 have their upper ends pivoted t0 a projection I7 in the upper part of the casing A, and a second pair of toggle levers I8 have their lower ends pivoted to the top of the guide l, the other ends of the two sets of levers being connected by links I9 to the heads I of the bolts.
Each lever is of the double construction shown in Figure 2, with the two parts of one lever passing between the two parts of the companion lever.
'Ihus it will be seen that when the pressure in the conduit becomes excessive, some of the compressed uid will enter the casing A and force the diaphragms apart and this will cause the toggle assembly to raise the guide 1 and thus close or partly close the valve, which is connected to the rod IU.
A pair of levers 20 have their lower ends pivoted to the casing as shown at 2 I, these levers having recessed bosses 22 for receiving the outer ends of the bolts and the upper ends of the levers are connected by the links 23 with the rocker arm 24 pivoted between the projections 3, by the pin 25. This pin passes through the center of the rocker arm, and one of the arms or links 23 is pivoted to the lower end of the arm and the other to the upper end thereof as shown. A plate 26 is fastened to one side of the rocker arm and has an outwardly extending flange or ledge 21 thereon spaced from its upper end which forms a seat for a' lever 28 which is fastened to the upper part of the plate 26, as shown at 29. A collar 30 is adjustably connected with the outer part of the lever and supports a weight 3| which has a stem 32 provided with an eye which passes through an eye on the collar 30 as shown in Figure 3.
Thus it will be seen that the weighted lever 28 acts through the rocker arm 24, the links 23 and the levers 20 to resist outward movement of the diaphragms and this resistance can be increased or decreased by adjustment of the weight.
It is thought from the foregoing description that the advantages and novel features of the invention will be readily apparent.
It is to be understood that changes may be made in the construction and in the combination and arrangement of the several parts, provided that such changes fall within the scope of the appended claims.
Having thus described the invention what is claimed as new is:
l. In combination with a pressure regulator including a casing having a pair of diaphragms therein moved outwardly by pressure, members connected with the diaphragms and extending outwardly, a pair of levers located exteriorly of the casing and engaging the outer ends of said members, a rocker arm, a link connecting one lever to the rocker arm to one side of the pivot thereof, a link connecting the other lever to the other side of the pivot thereof, and a weighted lever connected with the rocker arm for resisting outward movement of the levers.
2. In combination with a pressure regulator casing including a pair of vertically arranged diaphragms moved outwardly by pressure within the casing, members connected with the diaphragms and extending through the sides of the casing, a pair of levers pivotally supported at their lower 10 ends and having portions engaging the outer ends of said members, a rocker arm pvoted intermediate its ends to the top of the casing, a, link connected to the lower end of the rocker arm and to the upper end of one lever, a link connecting the upper end of the rocker arm and to the upper end of the other lever, a plate connected with the rocker arm, a lever connected with the top of the plate, and a Weight adjustably arranged on the lever.
CLAYTON B. MCELWAINE.
US32793A 1935-07-23 1935-07-23 Balanced pressure regulator Expired - Lifetime US2042906A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029289A (en) * 1973-12-11 1977-06-14 Institute Francais Du Petrole, Des Carburants Et Lubrifiants Et Entreprise De Recherches Et D'activities Elf Control system for gate-valves
US4206900A (en) * 1977-08-01 1980-06-10 Borg-Warner Corporation Valve operator
US4285493A (en) * 1979-03-01 1981-08-25 Borg-Warner Corporation Valve operator
US4387626A (en) * 1981-03-09 1983-06-14 The Bendix Corporation Tandem brake booster
US4475439A (en) * 1983-09-02 1984-10-09 The Bendix Corporation Tandem brake booster
US6708723B2 (en) * 2001-04-30 2004-03-23 J. C. Carter Company, Inc. Inwardly opening mechanical vent system
US20060017032A1 (en) * 2004-07-21 2006-01-26 Dewall Kevin G Scissor thrust valve actuator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029289A (en) * 1973-12-11 1977-06-14 Institute Francais Du Petrole, Des Carburants Et Lubrifiants Et Entreprise De Recherches Et D'activities Elf Control system for gate-valves
US4206900A (en) * 1977-08-01 1980-06-10 Borg-Warner Corporation Valve operator
US4285493A (en) * 1979-03-01 1981-08-25 Borg-Warner Corporation Valve operator
US4387626A (en) * 1981-03-09 1983-06-14 The Bendix Corporation Tandem brake booster
US4475439A (en) * 1983-09-02 1984-10-09 The Bendix Corporation Tandem brake booster
US6708723B2 (en) * 2001-04-30 2004-03-23 J. C. Carter Company, Inc. Inwardly opening mechanical vent system
US20060017032A1 (en) * 2004-07-21 2006-01-26 Dewall Kevin G Scissor thrust valve actuator
US7097148B2 (en) 2004-07-21 2006-08-29 Battelle Energy Alliance, Llc Scissor thrust valve actuator

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