US762767A - Fluid-pressure regulator. - Google Patents

Fluid-pressure regulator. Download PDF

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US762767A
US762767A US1903167323A US762767A US 762767 A US762767 A US 762767A US 1903167323 A US1903167323 A US 1903167323A US 762767 A US762767 A US 762767A
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Prior art keywords
diaphragm
valve
fluid
pressure regulator
support
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James W Scott
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    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • 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
    • G05D16/0633—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 characterised by the properties of the membrane
    • 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
    • G05D16/0644—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 directly on the obturator
    • G05D16/0655—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 directly on the obturator using one spring-loaded membrane
    • G05D16/0658—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 directly on the obturator using one spring-loaded membrane characterised by the form of the obturator
    • 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
    • G05D16/0644—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 directly on the obturator
    • G05D16/0655—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 directly on the obturator using one spring-loaded membrane
    • G05D16/0661—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 directly on the obturator using one spring-loaded membrane characterised by the loading mechanisms of the membrane
    • 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
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7782—With manual or external control for line 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7796—Senses inlet pressure
    • 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
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7822—Reactor surface closes chamber
    • 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
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8225—Position or extent of motion indicator

Definitions

  • rado Springs in the county of El Paso'and State of Colorado, have invented a new and Improved Fluid-Pressure Regulator, of which the following is a full, clear, and exact descrip- The invention rel ates to fluid-pressure regulators such as shown and described in the Letters Patent of 'the Unit-ed States No. 552,202, granted to me December 31, 1895.
  • the object of my present invent on is to provide a new and improved fluid-pressure regulator which is simple and durable in construction, exceedingly sensitive in the working of its diaphragm, and arranged to permit the diaphragm to expand and contract in both circular and diametrical directions to prevent buckling of the diaphragm and to allow upand-down movement without danger of the diaphragm bending unduly.
  • Figure 1 is a sectional side'elevation'of the improvement on the line 1 1 of Fig. 2.
  • Fig. 2 is a reduced sectional plan view of the same on the line 2 2 of Fig. 1.
  • Fig. 3 is a perspective view of one of the sectors of the diaphragm-supporting disk; and
  • Fig. 4 is a sectional side elevation of the joint of adjacent iiectors, the section being on the line 4 4 of Between the sections A.
  • a diaphragm-casing A is held in the usual manner a diaphragm B, connected by a stem C and cross-bar C with a valve D, adapted to be seated at its lower end-D on a valve-seat E, interposed between a fluid-pressure inlet A and an outlet A in the section A of the diaphragm-casingA.
  • the valve D is also adapted to be seated with its inner upper portion 1) 5 on a valve-seat E, formed on the cylindrical extension E of the valve-seat E, the said ex-.
  • the stem C extends into the section A of the diaphragm-casing A and connectswith a carrier F, pressed on by a pressure-regulating spring G, adapted to be set to any desired tension by a manually-controlled setting device H of any approved construction, the pressure being indicated on a segment H by a pointer H controlled by the device H, as more fully described in the Letters Patent above referred to.
  • the non-fluid pressure face of the diaphragm B engages a support I, arranged within the section A, and this support is in the form of a disk made in sectors, each having its outer end provided at the under side with roundedolf lugs I, engaging bearings A formed on the casing-section A, to allow the sectors to swing up and down, the free or inner ends of the sectors resting on ball-bearings 'J, sup ported on the spring-supported carrier F.
  • the diaphragm B- is provided with annular concentric corrugations B and with radial corrugations B, and the face of the support I adjacent to the diaphragm is similarly corrugatedthat is, provided with annular concentric corrugations I and radial corrugations P-of which the latter are at'the joints of the sectors, as plainly indicated in Fig. 2, it being understood'that the corrugations of the diaphragm and.those of the supportI are in register with each other.
  • the diaphragm B is free to expand and contract, both in a circular as well as me radial direction, thereby eliminating all tendency of the diaphragm to buckle or warp, at the same time increasing the life of the diaphragm. Furthermore, -by having the supporting-sectors hinged attheir outer ends and theirfree ends supported on ball-bearings held on a yieldingly-mounted "carrier, all undue friction is prevented and the support is exceedingly sensitively mounted to insure a perfect flexing of the diaphragm under varying pressure.
  • a cushion B is preferably arranged between the diaphragm and the corrugated support, as shown in Fig. 1, and this cushion 1 is formed of leather, felt,-asbestos,. or like elastic material.
  • valve D As a stop-valve, the following device is provided.
  • a bolt or rivet J connects the apertured top D of the valve l) with the conical end K of abutting with its other end on a block P,
  • valve D is free to move upward against the spring-pressed stem K, and when the tension of the spring exceeds the maximum pressure of the fluidpressure in the section A then the stem K is pressed downward by the spring 0, and thereby forces the valve D to its seats E and E to close the connection between the inlet A and the outlet A.
  • the screw-rod Q is held in an uppermost position to allow the valve D to yield to the pressure in the section A.
  • the sliding motion of the stem K is limited by stop-pins K, secured on the stem K and extending through' elongated ilots L in the sleeve L, as plainly shown in Now from' the foregoing it will be seen that by-the operator screwing the screw-rod Q downward the. valve D can be positively moved to its seat and locked thereon, and hence it will be seen that by the arrangement described the device can be readily converted from a fluid-pressure-regulating valve into a combined stop-valve and fluid-pressure regulator.
  • a fluid-pressure regulator having 8, diaphragm-casing, a diaphragm therein, a diaphragm-support for engagement by one side of the diaphragm, the outer end of the support being fulerumed, and a ball-bearing for the inner end of the support, as set forth.
  • a fluid-pressure regulator having a diaphragm-casing, a diaphragm therein, a diaphragm-support for engagement by one side of the diaphragm, the outer end'of the support being fulcrumed, a ball-bearing for the inner end of the support, and a yieldinglymounted carrier for the said ball-bearing, as
  • a fluid-pressure regulator provided with a diaphragm having a concentric corrugation and a radial corrugation, to allow the dia phragm to expand in both a circular and a diametrical direction, as set forth.
  • a fluid pressure regulator provided with a diaphragm-support having concentric corrugations and radial corrugations, as set forth. 5.
  • a fluid-pressure regulator provided with a diaphragm-support, consisting of a disk made in a plurality of sectors, having concentric corrugations and radial corrugations at their joints, as set forth.
  • a fluid-pressure regulator provided with a diaphragm-casing containing a diaphragm
  • a support for the diaphragm in. the form of a disk made in a plurality of sectors, each mounted to swing at its outer end, and a yield ingly-mounted carrier for the inner ends of the sectors, as set forth.
  • a fluid-pressure regulator provided with a diaphragm-casing containing a diaphragm, a support for the diaphragm, in the form of a disk made in a plurality of sectors, each mounted to swing at its outer end, a yieldinglymounted carrier for the inner ends of the sectors, and a ball-bearing interposed between the inner ends of the sectors and the said carrier, as set forth.
  • a fluid-pressure regulator'comprismg a diaphragm-casing containing a diaphragm, a valve moving wlth the said diaphragm and adapted to be seated on seats in the said casing, and manually-controlled means, connected with the valve, for allowing movement of the valve and for locking the valve to its seats, the said means comprising a hollow stem connected with the valve, a sleeve in which the said stem is mounted to slide, a spring one end of which extends within the hollow stem, a. block engaged by the other end of the spring, and a screw-rod engaging said block, the end of the screw-rod being adapted to engage the stem to cause the latter to force the valve to its seats, as set forth.
  • a fluid-pressure regulator comprising a diaphragm-casing containing a diaphragm, a valve moving with the said diaphragm and adapted to be seated on seats in the said casing, manually-controlled means, connected with the valve, for allowing movement of the valve and for locking the valve to its seats, the said means comprising a spring-pressed stem engaging the valve, and a screw device, under the control of the operator, for compressing the spring, to cause the stem to force the valve to its seats, as set forth.
  • Afluid-p'ressure regulator comprising a diaphragm-casing containing a diaphragm, a valve moving with the said diaphragm and adapted to ne seated on seats in the said casing, manually-controlled means, connected with the valve, for allowing movement of the valve and for locklng the valve to its seats,
  • the said means comprising a spring-pressed stem engaging the valve, a screw device, un-
  • a fluid-pressure regulator provided with a dlaphragm having concentric corrugations and radial corrugations, a movable support for the diaphragm having similar corrugations, and a cushion interposed between the diaphragm and the support, as set forth.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Pressure (AREA)

Description

No. 762,767. I 'PATENTED JUNE 14, 1904.
E J. w. soon.
FLUID PRESSURE REGULATOR.
8 SHEETS-SHEET 1.
APILIOATION FILED JULY 28. 1903.
, w g *RRRNNAAIA r J. W. SCOTT.
'PATENTED JUNE 14, 1904.
FLUID PRESSURE REGULATOR.
APPLIOATIOI FILED JUL! 23, 1903.
INVENTOH 2 SHEETS-SHEET 2.
ATTORNEYS.
- tion.
Patented June 14', 1904.
PATENT OFFICE.
JAMES W. scorr, OF COLORADO SPRINGS, COLORADO.
FLUID-PRESSURE REGULATOR.
srncmrca'rron forming part of Letters Patent No. 762,767, dated June 14, 1904.
Application filed July 28, 1903. Serial Nol67,323. (No model.)
rado Springs, in the county of El Paso'and State of Colorado, have invented a new and Improved Fluid-Pressure Regulator, of which the following is a full, clear, and exact descrip- The invention rel ates to fluid-pressure regulators such as shown and described in the Letters Patent of 'the Unit-ed States No. 552,202, granted to me December 31, 1895.
The object of my present invent on is to provide a new and improved fluid-pressure regulator which is simple and durable in construction, exceedingly sensitive in the working of its diaphragm, and arranged to permit the diaphragm to expand and contract in both circular and diametrical directions to prevent buckling of the diaphragm and to allow upand-down movement without danger of the diaphragm bending unduly.
The invention consists of novel features and parts and combinations of the same, as will be more fully described hereinafter and then pointed out in the claims. 1
A practical embodiment of the invention is represented in the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views. v
Figure 1 is a sectional side'elevation'of the improvement on the line 1 1 of Fig. 2. Fig. 2is a reduced sectional plan view of the same on the line 2 2 of Fig. 1. Fig. 3 is a perspective view of one of the sectors of the diaphragm-supporting disk; and Fig. 4 is a sectional side elevation of the joint of adjacent iiectors, the section being on the line 4 4 of Between the sections A. and NM a diaphragm-casing A is held in the usual manner a diaphragm B, connected by a stem C and cross-bar C with a valve D, adapted to be seated at its lower end-D on a valve-seat E, interposed between a fluid-pressure inlet A and an outlet A in the section A of the diaphragm-casingA. The valve D is also adapted to be seated with its inner upper portion 1) 5 on a valve-seat E, formed on the cylindrical extension E of the valve-seat E, the said ex-.
tension having ports E for the passage of the fluid and elongated apertures E for the free passage of the cross-bar C.
The stem C extends into the section A of the diaphragm-casing A and connectswith a carrier F, pressed on by a pressure-regulating spring G, adapted to be set to any desired tension by a manually-controlled setting device H of any approved construction, the pressure being indicated on a segment H by a pointer H controlled by the device H, as more fully described in the Letters Patent above referred to.
The non-fluid pressure face of the diaphragm B engages a support I, arranged within the section A, and this support is in the form of a disk made in sectors, each having its outer end provided at the under side with roundedolf lugs I, engaging bearings A formed on the casing-section A, to allow the sectors to swing up and down, the free or inner ends of the sectors resting on ball-bearings 'J, sup ported on the spring-supported carrier F.
The diaphragm B-is provided with annular concentric corrugations B and with radial corrugations B, and the face of the support I adjacent to the diaphragm is similarly corrugatedthat is, provided with annular concentric corrugations I and radial corrugations P-of which the latter are at'the joints of the sectors, as plainly indicated in Fig. 2, it being understood'that the corrugations of the diaphragm and.those of the supportI are in register with each other.
Now by the construction described the diaphragm B is free to expand and contract, both in a circular as well as me radial direction, thereby eliminating all tendency of the diaphragm to buckle or warp, at the same time increasing the life of the diaphragm. Furthermore, -by having the supporting-sectors hinged attheir outer ends and theirfree ends supported on ball-bearings held on a yieldingly-mounted "carrier, all undue friction is prevented and the support is exceedingly sensitively mounted to insure a perfect flexing of the diaphragm under varying pressure.
In order to prevent undue wear on the diaphragm, a cushion B is preferably arranged between the diaphragm and the corrugated support, as shown in Fig. 1, and this cushion 1 is formed of leather, felt,-asbestos,. or like elastic material. I
In order to allow using the valve D as a stop-valve, the following device is provided.
A bolt or rivet J connects the apertured top D of the valve l) with the conical end K of abutting with its other end on a block P,
engaged by a screw-rod Q, screwing in the nut Q, held in the sleeve L, the screw-rod Q extending through a stuffing-box N to the outside of the casing and carrying at its outer end a hand-wheel Q for turning the screw-rod to move the lower end thereof in engagement with the stem K to press the latter downward, and with it the valve D, until the latter is seated on the seats E and E, and is hence in a closed position and locked therein by the screw-rod Q. When the latter is out of engagement at its lower end with the stem K, as shown in Fig. 1, then the valve is free to move upward against the spring-pressed stem K, and when the tension of the spring exceeds the maximum pressure of the fluidpressure in the section A then the stem K is pressed downward by the spring 0, and thereby forces the valve D to its seats E and E to close the connection between the inlet A and the outlet A. Normally the screw-rod Q is held in an uppermost position to allow the valve D to yield to the pressure in the section A. The sliding motion of the stem K is limited by stop-pins K, secured on the stem K and extending through' elongated ilots L in the sleeve L, as plainly shown in Now from' the foregoing it will be seen that by-the operator screwing the screw-rod Q downward the. valve D can be positively moved to its seat and locked thereon, and hence it will be seen that by the arrangement described the device can be readily converted from a fluid-pressure-regulating valve into a combined stop-valve and fluid-pressure regulator.
Having thus described my invention, I claim as new and desire tosecure by Letters Patent- 1. A fluid-pressure regulator having 8, diaphragm-casing, a diaphragm therein, a diaphragm-support for engagement by one side of the diaphragm, the outer end of the support being fulerumed, and a ball-bearing for the inner end of the support, as set forth.
2. A fluid-pressure regulator having a diaphragm-casing, a diaphragm therein, a diaphragm-support for engagement by one side of the diaphragm, the outer end'of the support being fulcrumed, a ball-bearing for the inner end of the support, and a yieldinglymounted carrier for the said ball-bearing, as
set forth.
3. A fluid-pressure regulator provided with a diaphragm having a concentric corrugation and a radial corrugation, to allow the dia phragm to expand in both a circular and a diametrical direction, as set forth.
4. A fluid pressure regulator provided with a diaphragm-support having concentric corrugations and radial corrugations, as set forth. 5. A fluid-pressure regulator provided with a diaphragm-support, consisting of a disk made in a plurality of sectors, having concentric corrugations and radial corrugations at their joints, as set forth.
- 6. A fluid-pressure regulator provided with a diaphragm-casing containing a diaphragm,
a support for the diaphragm, in. the form of a disk made in a plurality of sectors, each mounted to swing at its outer end, and a yield ingly-mounted carrier for the inner ends of the sectors, as set forth. I g
7 A fluid-pressure regulator provided with a diaphragm-casing containing a diaphragm, a support for the diaphragm, in the form of a disk made in a plurality of sectors, each mounted to swing at its outer end, a yieldinglymounted carrier for the inner ends of the sectors, and a ball-bearing interposed between the inner ends of the sectors and the said carrier, as set forth.
8. A fluid-pressure regulator'comprismg a diaphragm-casing containing a diaphragm, a valve moving wlth the said diaphragm and adapted to be seated on seats in the said casing, and manually-controlled means, connected with the valve, for allowing movement of the valve and for locking the valve to its seats, the said means comprising a hollow stem connected with the valve, a sleeve in which the said stem is mounted to slide, a spring one end of which extends within the hollow stem, a. block engaged by the other end of the spring, and a screw-rod engaging said block, the end of the screw-rod being adapted to engage the stem to cause the latter to force the valve to its seats, as set forth.
9. A fluid-pressure regulator comprising a diaphragm-casing containing a diaphragm, a valve moving with the said diaphragm and adapted to be seated on seats in the said casing, manually-controlled means, connected with the valve, for allowing movement of the valve and for locking the valve to its seats, the said means comprising a spring-pressed stem engaging the valve, and a screw device, under the control of the operator, for compressing the spring, to cause the stem to force the valve to its seats, as set forth.
10. Afluid-p'ressure regulator comprisinga diaphragm-casing containing a diaphragm, a valve moving with the said diaphragm and adapted to ne seated on seats in the said casing, manually-controlled means, connected with the valve, for allowing movement of the valve and for locklng the valve to its seats,
the said means comprising a spring-pressed stem engaging the valve, a screw device, un-
- der the control of the operator, for engaging a flexible cushion interposed between the diapln'agm and the support, as set forth.
12. A fluid-pressure regulator provided with a dlaphragm having concentric corrugations and radial corrugations, a movable support for the diaphragm having similar corrugations, and a cushion interposed between the diaphragm and the support, as set forth.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
JAMES W. SCOTT.
Witnesses: 4
Jim. SMITH, JESSE LEWIS HUFMAN.
US1903167323 1903-07-28 1903-07-28 Fluid-pressure regulator. Expired - Lifetime US762767A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650618A (en) * 1948-08-06 1953-09-01 Cook Electric Co Diaphragm for pressure regulators
US2885173A (en) * 1954-04-22 1959-05-05 Bendix Aviat Corp Automatic pressure operated valve
US3387622A (en) * 1965-09-22 1968-06-11 Flair Mfg Corp Valve
US4783882A (en) * 1986-01-13 1988-11-15 Emhart Industries, Inc. Door closer assembly
US20160274600A1 (en) * 2015-03-16 2016-09-22 Azbil Corporation Pressure-reducing valve
EP3336398A1 (en) * 2016-12-19 2018-06-20 Hamilton Sundstrand Corporation Spring seat diaphragm retention grooves

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650618A (en) * 1948-08-06 1953-09-01 Cook Electric Co Diaphragm for pressure regulators
US2885173A (en) * 1954-04-22 1959-05-05 Bendix Aviat Corp Automatic pressure operated valve
US3387622A (en) * 1965-09-22 1968-06-11 Flair Mfg Corp Valve
US4783882A (en) * 1986-01-13 1988-11-15 Emhart Industries, Inc. Door closer assembly
US20160274600A1 (en) * 2015-03-16 2016-09-22 Azbil Corporation Pressure-reducing valve
US9841771B2 (en) * 2015-03-16 2017-12-12 Azbil Corporation Pressure-reducing valve
EP3336398A1 (en) * 2016-12-19 2018-06-20 Hamilton Sundstrand Corporation Spring seat diaphragm retention grooves
US10436337B2 (en) 2016-12-19 2019-10-08 Hamilton Sundstrand Corporation Spring seat diaphragm retention grooves
US11274760B2 (en) 2016-12-19 2022-03-15 Hamilton Sundstrand Corporation Spring seat diaphragm retention groove

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