US1075354A - Gas-regulator. - Google Patents
Gas-regulator. Download PDFInfo
- Publication number
- US1075354A US1075354A US1911661214A US1075354A US 1075354 A US1075354 A US 1075354A US 1911661214 A US1911661214 A US 1911661214A US 1075354 A US1075354 A US 1075354A
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- US
- United States
- Prior art keywords
- casing
- seat
- cup
- channel
- stem
- Prior art date
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- Expired - Lifetime
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Classifications
-
- 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
- G05D16/12—Control of fluid pressure without auxiliary power the sensing element being a float
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- 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
- Y10T137/4456—With liquid valves or liquid trap seals
-
- 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]
- Y10T137/7809—Reactor surface separated by apertured partition
- Y10T137/7812—Valve stem passes through the aperture
- Y10T137/7814—Reactor is an inverted cup having liquid seal
-
- 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
- Y10T137/7834—Valve seat or external sleeve moves to open valve
Definitions
- This invention relates to improvements 1n pressure equalizing valves, and more particularly to a regulating valve adapted for attachment to any supply pipe for deliveringa gasat a uniformpressure to the. device tobe supplied.
- This device is of that class set forth in my prior patents for gas regulator, No. 794,980, issued July 18, 1905, and pressure equalizing valves, No. 867,370, issued Oct. 1, 1907.
- valve closure is rigid and the valve seat is movable to thereby entlrely eliminate the reactive pressure against the movement of the member for cont-rolling the admission of the gas.
- Figure 1 is a vertical section of a device embodying my invention.
- Fig. 2 isa top .planview of the casing wlth parts omitted.
- Fig. 3 is asection taken on line 33 of ,Fig. .1.
- Fig. l is a sec- :tion on line 4L-4t,of Fig. 1.
- 1, indicates a casing provided with an extension 2, of less diameter, which is removable, adapting eX- tensions with different sizes and lengthsof channels being secured thereto dependent upon the pressure of gas in the main.
- a cover3, is'threaded upon said casing to close the upper end thereof.
- a channel or cup 6, is provided in the casing and a channel or cup 7, is provided in the extension 2, each of which is adapted to contain a sealing fluid such as mercury.
- Seated on the top of the inner wall 8, of the cup 6, is a guide plate 9, having a central aperture 10, surrounded by an upwardly directed flange '11.
- a movable cup 12 is inverted in the top of the casing with its flange extended into the channel 6, a sufiicient distance to provide a seal therefor and a sleeve or cylinder 13, extends into the lower channel 7, having the lower end sealed.
- a valve seat 141 having apertured lugs 15, integral therewith to which is secured a centrally apertured spider 16, by means of screws 17
- a band 18, is secured to the inner side of the upper end of the cylinder 13, to reinforce the connection between the cylinder 13, and the valve seat 1 1, and to guidethe movement of the sleeve in the channel.
- a boss 19 integrally connected to said extension 2, is a boss 19, by means of ribs 20, in which is Secured a stem '21, the upper end of which is threaded in the valve closure 22, which is provided with a seating face on its under side, and, as shown, adjusting nuts 31 and 32, are threaded on said stem above and below the apertured boss 19, to permit the adjustment of the closure 22, at various positions.
- Integral with the valve closure 22, are downwardly directed radial lugs or guides 23, which engage within the seat 14, and guide the same in its movement toward and from the closure.
- a flanged collar 24 fits loosely within the aperture .10, and upon the flange 11, of the guide plate 9.
- a threaded guide stem 25 is rigidly connected to the spider 16, and extends upwardly through the collar 21, and the inverted cup 12. Threaded on said stem 25, is a sleeve 26, which bears against the under side of the cup 12, and isadapted to slide in thecollar 24:, as the pressure in the valve varies from time to time. Threaded on the upper end of the stem 25, is a nut 27, adapted to lock the cup in adjusted position.
- the valve seat admitting a greater volume of gas into the outlet, maintaining a uniform pressure and supply in the outlet pipe.
- the seat is adjusted to correspondingly decrease the gas admitted.
- the valve delivers gas under a uniform pressure to the device to be supplied. Owing to the fact that the seat moves, back pressure is entirely eliminated, thereby providing a valve which is highly sensitive without employing sensitive adjusting parts.
- the seat may be adjusted to vary the distance from the closure by the adjustment of the sleeve Q-I and nut 27, by means of the stem 21, whichever is preferred. Accurate seating of the seat is insured by the guides 23.
- a pressure equalizing valve comprising a casing, an adjustable closure therein, an apertured boss in the casing, a movable liquid sealed seat in the casing adapted to seat on the closure, and a stem slidable in the boss and supporting the closure adapted for adjustment to vary the distance through which the seal must move to close upon the closure.
- a casing provided with an inlet and outlet and having a channel therein adapted to receive a sealing fluid, an apertured boss in the easing, a stem slidable therein, a closure on the stem, a cup having its edge sealed in the channel, means movable therewith adapted to seat on the closure, and means for adjusting the stem thereby varying the adjustment of the closure.
- a casing provided with an inlet and an outlet and having a channel therein adapted to receive a sealing fluid, a cup having its edge sealed in the channel, a seat in the casing, means connecting the seat and the cup, a threaded stem in the casing, an apertured boss adapted to receive the stem, a closure secured to the stem above the boss, an extension removably secured to the casing, a sealing channel in the extension, and a cylinder having one of its ends sealed in the channel in the extension and the other end secured to the seat affording a seal to prevent leakage within the casing.
- a casing having a channel therein adapted to contain sealing fiuid, an extension removably secured to the casing adapting extensions of varying sizes to be secured thereto also provided with a channel to receive a sealing fluid, a cup having its flange extending into the channel in the casing, a cylinder extending into the passage in the extension, a seat movable with the cylinder and connected with the cup, and a closure adjustably secured in the casing to be engaged by the seat.
- a casing having a channel therein adapted to contain sealing fluid, an extension removably secured to the casing whereby extensions of varying sizes may be secured thereto, also provided with a channel to receive a sealing fluid, a cup having its flange extending into the channel in the casing, a cylinder extending into the passage in the extension, a seat movable with the cylinder and connected with the cup, and a closure secured in the casing to be engaged by the seat and adjustable to limit the extreme movement of said cup and seat.
- a pressure regulator embracing a casing, a removable extension on the end thereof, channels in the casing and in the extension adapted to receive a sealing fluid, an apertured boss, a stem in said boss, a closure secured on said stem, a cup having its edge sealed in the channel in the casing, a seat in the casing, a spider connected thereto, means connecting the spider and cup, and a cylinder having one of its ends sealed in the extension and the other end secured to the seat afiording a seal to prevent leakage within the casing.
- a casing having an upper and a lower channel adapted to contain a sealing fluid, a boss integral with the inner wall of the lower channel, a stem therein, a closure on said stem, a cup having its edge sealed in the upper channel, a seat in the casing adapted to seat against the closure, a spider connected thereto, a threaded stem connecting said cup and spider, and a cylinder having one of its ends sealed in the lower channel and the other end secured to the seat, affording a seal to prevent leakage within the casing.
- a pressure equalizing valve embracing a casing having an upper and a lower chan nel adapted to contain a sealing fluid, a boss in said casing, a stern slidably secured therein, a closure on said stein, a cup having its edge sealed in the upper channel, a seat in the casing, lugs 011 said seats, a spider connecting said lugs, a stem connecting said cup and spider, a cylinder having one of its ends sealed in the lower channel and the other end secured to the seat, and a band secured within said cylinder adapted to reinforce the same at the point of connection with the seat.
- a casing having a channel adapted to contain a sealing fluid, an apertured guide plate seated upon the inner wall of said channel, a flanged collar adapted to fit loosely in the aperture in the guide plate, a boss in the casing, a stem slidably secured therein, a closure on said stein, a cup having its edge sealed in the channel, a seat in the casing, a spider connected thereto, and a threaded stein connecting said cup and spider adapted to slide in the flanged collar.
- a device of the class described embracing a casing, an extension threaded on the lower end thereof, a channel in the casing and in the extension adapted to receive a sealing fluid, a boss, a stem in said boss, a closure on said stem, a cup having its edge sealed in the channel in the casing, a seat in the casing, means connecting the seat and cup, and a cylinder having one of its ends sealed in the extension and the other end secured to the seat.
- a casing having a channel adapted to contain a sealing fluid, an apertured guide plate seated upon the inner wall or" the channel, a flanged collar adapted to fit loosely in the aperture in the guide plate, an apertured boss integral with the inner wall of the lower channel, a stem secured therein, a closure secured on said stem, a cup having its edge sealed in the channel, a seat in the casing adapted to seat against the closure, and means connecting said cup and seat adapted to slide in the flanged collar.
- a casing having an upper and a lower channel adapted to contain a sealing fluid, an apertured guide plate seated upon the inner wall of the upper channel, a flanged collar adapted to fit loosely in the aperture in the guide plate, an apertured boss integral with the inner wall of the lower channel, a stem slidable therein, a closure threaded on said stem, a cup having its edge sealed in the upper channel, a seat in the casing, upwardly directed lugs on said seat, a spider connecting said lugs, a threaded stem connecting said cup and spider to slide in the flanged collar, a cylinder having one of its ends sealed in the lower channel and the other end secured to the seat affording a seal to prevent leakage within the casing, and a band secured within said cylinder adapted to reinforce the same at the point of connection with the seat.
- a device of the class described embracing a casing, an extension threaded on the lower end thereof, a channel in the casing and in the extension adapted to receive a sealing fluid, an apertured boss in said casing, a stem slidable in said boss, a closure on said stem, a cup having its edge sealed in the channel in the casing, a seat in the casing, means connecting the seat and cup, and a cylinder having one of its ends sealed in the extension and the other end secured to the seat afiording a seal to prevent leakage within the casing.
- Grmnnns VV HILLs, Jr, GEORGE E. Moons.
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Closures For Containers (AREA)
Description
U. W. HENSON.
GAS REGULATOR. APPLIOATION FILED NOV. 20,1911.
Patented 0.013. 14, 1913.
CHARLES w. I-IENSON, or CHICAGO, I nvoIs.
GAS-REGULATOR.
Application filed November 20, 1911.
To all whom, it may concern:
Be it known that 1 CHARLES W. Hmvsoiv, a citizen of the United States, and a resident of the city of Chicago, in the county of Cook and State of Illinois,'haveinvented certain new and useful Improvements 1n Gas-Regulators; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, and to the numbers of reference marked thereon, which form a part of this specification.
This invention relates to improvements 1n pressure equalizing valves, and more particularly to a regulating valve adapted for attachment to any supply pipe for deliveringa gasat a uniformpressure to the. device tobe supplied. This device is of that class set forth in my prior patents for gas regulator, No. 794,980, issued July 18, 1905, and pressure equalizing valves, No. 867,370, issued Oct. 1, 1907.
It is an object of this invention to provide an equalizing valve extremely sensitive in operationand which is susceptible to the slightest change in pressure in the main and in which delicate adjusting mechanisms are entirely eliminated.
It is an important object of this invention to provide a device ofthe class specified in which both the valve closure and seat may be removed'in order that either may be renewed should it be found necessary, or either may be reground to form a perfect seating.
It is also an object of this invention to provide a device of the class described in.
which the valve closure is rigid and the valve seat is movable to thereby entlrely eliminate the reactive pressure against the movement of the member for cont-rolling the admission of the gas.
It is a further object of this nvention to provide a device of the class specified of few parts, in which adjusting springs and other delicate parts are eliminated and which is positive inoperation.
The invention consists in the matters hereinafter described and more fully pointed out and defined in the appended claims.
In the drawings: Figure 1 is a vertical section of a device embodying my invention. Fig. 2 isa top .planview of the casing wlth parts omitted. Fig. 3 is asection taken on line 33 of ,Fig. .1. Fig. l is a sec- :tion on line 4L-4t,of Fig. 1.
Specification of Letters Eaten-t.
Patented Got. 14, 1913.
Serial No. 661,214.
As shown in the drawings: 1, indicates a casing provided with an extension 2, of less diameter, which is removable, adapting eX- tensions with different sizes and lengthsof channels being secured thereto dependent upon the pressure of gas in the main. A cover3, is'threaded upon said casing to close the upper end thereof. An inlet at, opens into the extension and an outlet 5, opens from the casing. A channel or cup 6, is provided in the casing anda channel or cup 7, is provided in the extension 2, each of which is adapted to contain a sealing fluid such as mercury. Seated on the top of the inner wall 8, of the cup 6, is a guide plate 9, having a central aperture 10, surrounded by an upwardly directed flange '11. A movable cup 12, is inverted in the top of the casing with its flange extended into the channel 6, a sufiicient distance to provide a seal therefor and a sleeve or cylinder 13, extends into the lower channel 7, having the lower end sealed. 'Rigidly secured to the upper end of the cylinder 13, is a valve seat 141, having apertured lugs 15, integral therewith to which is secured a centrally apertured spider 16, by means of screws 17 A band 18, is secured to the inner side of the upper end of the cylinder 13, to reinforce the connection between the cylinder 13, and the valve seat 1 1, and to guidethe movement of the sleeve in the channel. integrally connected to said extension 2, is a boss 19, by means of ribs 20, in which is Secured a stem '21, the upper end of which is threaded in the valve closure 22, which is provided with a seating face on its under side, and, as shown, adjusting nuts 31 and 32, are threaded on said stem above and below the apertured boss 19, to permit the adjustment of the closure 22, at various positions. Integral with the valve closure 22, are downwardly directed radial lugs or guides 23, which engage within the seat 14, and guide the same in its movement toward and from the closure. As shown, a flanged collar 24, fits loosely within the aperture .10, and upon the flange 11, of the guide plate 9. A threaded guide stem 25, is rigidly connected to the spider 16, and extends upwardly through the collar 21, and the inverted cup 12. Threaded on said stem 25, is a sleeve 26, which bears against the under side of the cup 12, and isadapted to slide in thecollar 24:, as the pressure in the valve varies from time to time. Threaded on the upper end of the stem 25, is a nut 27, adapted to lock the cup in adjusted position.
The operation is as follows: The gas is admitted through the inlet 4, and passes between the seat and closure to the outlet 5, and owing to the construction of the valve the gas enters the chamber between the plate 9, and the cup 12, and exerts pressure on the under side of the cup 12, to hold the cup at the proper height. If pressure in the system is suddenly increased the pressure on the cup is correspondingly increased, raising the same and valve seat 14, to engage the closure 22. IVhen the pressure in the casing becomes normal, the cup drops slowly and by cushioning the gas therein prevents violent vibration of the cup and parts movable therewith, unseating the seat from the closure. Should the pressure in the main be diminished, the pressure on the cup being correspondingly diminished allows the same to lower, which lowers the valve seat admitting a greater volume of gas into the outlet, maintaining a uniform pressure and supply in the outlet pipe. Of course, when the pressure is again normal, the seat is adjusted to correspondingly decrease the gas admitted. Thus, for any fluctuation of pressure in the main, the valve delivers gas under a uniform pressure to the device to be supplied. Owing to the fact that the seat moves, back pressure is entirely eliminated, thereby providing a valve which is highly sensitive without employing sensitive adjusting parts. The seat may be adjusted to vary the distance from the closure by the adjustment of the sleeve Q-I and nut 27, by means of the stem 21, whichever is preferred. Accurate seating of the seat is insured by the guides 23.
Many details of construction may be changed and I therefore do not desire to limit this patent otherwise than necessitated by the prior art.
I claim as my invention:
1. A pressure equalizing valve comprising a casing, an adjustable closure therein, an apertured boss in the casing, a movable liquid sealed seat in the casing adapted to seat on the closure, and a stem slidable in the boss and supporting the closure adapted for adjustment to vary the distance through which the seal must move to close upon the closure.
2. In a device of the class described a casing provided with an inlet and outlet and having a channel therein adapted to receive a sealing fluid, an apertured boss in the easing, a stem slidable therein, a closure on the stem, a cup having its edge sealed in the channel, means movable therewith adapted to seat on the closure, and means for adjusting the stem thereby varying the adjustment of the closure.
3. In a device of the class described a casing provided with an inlet and an outlet and having a channel therein adapted to receive a sealing fluid, a cup having its edge sealed in the channel, a seat in the casing, means connecting the seat and the cup, a threaded stem in the casing, an apertured boss adapted to receive the stem, a closure secured to the stem above the boss, an extension removably secured to the casing, a sealing channel in the extension, and a cylinder having one of its ends sealed in the channel in the extension and the other end secured to the seat affording a seal to prevent leakage within the casing.
4. In a device of the class described a casing having a channel therein adapted to contain sealing fiuid, an extension removably secured to the casing adapting extensions of varying sizes to be secured thereto also provided with a channel to receive a sealing fluid, a cup having its flange extending into the channel in the casing, a cylinder extending into the passage in the extension, a seat movable with the cylinder and connected with the cup, and a closure adjustably secured in the casing to be engaged by the seat.
5. In a device of the class described a casing having a channel therein adapted to contain sealing fluid, an extension removably secured to the casing whereby extensions of varying sizes may be secured thereto, also provided with a channel to receive a sealing fluid, a cup having its flange extending into the channel in the casing, a cylinder extending into the passage in the extension, a seat movable with the cylinder and connected with the cup, and a closure secured in the casing to be engaged by the seat and adjustable to limit the extreme movement of said cup and seat.
6. A pressure regulator embracing a casing, a removable extension on the end thereof, channels in the casing and in the extension adapted to receive a sealing fluid, an apertured boss, a stem in said boss, a closure secured on said stem, a cup having its edge sealed in the channel in the casing, a seat in the casing, a spider connected thereto, means connecting the spider and cup, and a cylinder having one of its ends sealed in the extension and the other end secured to the seat afiording a seal to prevent leakage within the casing.
7. In a device of the class described a casing having an upper and a lower channel adapted to contain a sealing fluid, a boss integral with the inner wall of the lower channel, a stem therein, a closure on said stem, a cup having its edge sealed in the upper channel, a seat in the casing adapted to seat against the closure, a spider connected thereto, a threaded stem connecting said cup and spider, and a cylinder having one of its ends sealed in the lower channel and the other end secured to the seat, affording a seal to prevent leakage within the casing.
8. A pressure equalizing valve embracing a casing having an upper and a lower chan nel adapted to contain a sealing fluid, a boss in said casing, a stern slidably secured therein, a closure on said stein, a cup having its edge sealed in the upper channel, a seat in the casing, lugs 011 said seats, a spider connecting said lugs, a stem connecting said cup and spider, a cylinder having one of its ends sealed in the lower channel and the other end secured to the seat, and a band secured within said cylinder adapted to reinforce the same at the point of connection with the seat.
9. In a device of the class described a casing having a channel adapted to contain a sealing fluid, an apertured guide plate seated upon the inner wall of said channel, a flanged collar adapted to fit loosely in the aperture in the guide plate, a boss in the casing, a stem slidably secured therein, a closure on said stein, a cup having its edge sealed in the channel, a seat in the casing, a spider connected thereto, and a threaded stein connecting said cup and spider adapted to slide in the flanged collar.
10. A device of the class described embracing a casing, an extension threaded on the lower end thereof, a channel in the casing and in the extension adapted to receive a sealing fluid, a boss, a stem in said boss, a closure on said stem, a cup having its edge sealed in the channel in the casing, a seat in the casing, means connecting the seat and cup, and a cylinder having one of its ends sealed in the extension and the other end secured to the seat.
11. In a device of the class described a casing having a channel adapted to contain a sealing fluid, an apertured guide plate seated upon the inner wall or" the channel, a flanged collar adapted to fit loosely in the aperture in the guide plate, an apertured boss integral with the inner wall of the lower channel, a stem secured therein, a closure secured on said stem, a cup having its edge sealed in the channel, a seat in the casing adapted to seat against the closure, and means connecting said cup and seat adapted to slide in the flanged collar.
12. In a device of the class described a casing having an upper and a lower channel adapted to contain a sealing fluid, an apertured guide plate seated upon the inner wall of the upper channel, a flanged collar adapted to fit loosely in the aperture in the guide plate, an apertured boss integral with the inner wall of the lower channel, a stem slidable therein, a closure threaded on said stem, a cup having its edge sealed in the upper channel, a seat in the casing, upwardly directed lugs on said seat, a spider connecting said lugs, a threaded stem connecting said cup and spider to slide in the flanged collar, a cylinder having one of its ends sealed in the lower channel and the other end secured to the seat affording a seal to prevent leakage within the casing, and a band secured within said cylinder adapted to reinforce the same at the point of connection with the seat.
13. In a pressure regulator a casing having an upper and a lower channel adapted to contain a sealing fluid, a boss in said casing, a stem therein, a closure threaded on said stem, a cup having its edge sealed in the upper channel, a seat in the casing, upwardly directed lugs on said seat, a spider connecting said lugs, a stem connecting said cup and spider, a sleeve on the upper end of said stem adapted to slide in the flanged collar, a cylinder having one of its ends sealed in the lower channel and the other end secured to the seat, and a band secured within said cylinder adapted to reinforce the same at the point of connection with the seat.
14. A device of the class described embracing a casing, an extension threaded on the lower end thereof, a channel in the casing and in the extension adapted to receive a sealing fluid, an apertured boss in said casing, a stem slidable in said boss, a closure on said stem, a cup having its edge sealed in the channel in the casing, a seat in the casing, means connecting the seat and cup, and a cylinder having one of its ends sealed in the extension and the other end secured to the seat afiording a seal to prevent leakage within the casing.
In testimony whereof I have hereunto subscribed my name in the presence of two subscribing witnesses.
CHARLES W. HENSON.
Witnesses:
Grmnnns VV: HILLs, Jr, GEORGE E. Moons.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US1911661214 US1075354A (en) | 1911-11-20 | 1911-11-20 | Gas-regulator. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US1911661214 US1075354A (en) | 1911-11-20 | 1911-11-20 | Gas-regulator. |
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US1075354A true US1075354A (en) | 1913-10-14 |
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US1911661214 Expired - Lifetime US1075354A (en) | 1911-11-20 | 1911-11-20 | Gas-regulator. |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3083733A (en) * | 1960-07-01 | 1963-04-02 | Chrysler Corp | Pressure compensating valve |
US4444219A (en) * | 1981-06-29 | 1984-04-24 | Wipf Ag Verpackungen | Overpressure valve for packages with flexible walls |
-
1911
- 1911-11-20 US US1911661214 patent/US1075354A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3083733A (en) * | 1960-07-01 | 1963-04-02 | Chrysler Corp | Pressure compensating valve |
US4444219A (en) * | 1981-06-29 | 1984-04-24 | Wipf Ag Verpackungen | Overpressure valve for packages with flexible walls |
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