US674958A - Automatic regulator for pneumatic flues. - Google Patents

Automatic regulator for pneumatic flues. Download PDF

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Publication number
US674958A
US674958A US1900033155A US674958A US 674958 A US674958 A US 674958A US 1900033155 A US1900033155 A US 1900033155A US 674958 A US674958 A US 674958A
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Prior art keywords
valve
pneumatic
flue
flues
automatic regulator
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Charles B Caffey
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/027—Installations or systems with accumulators having accumulator charging devices
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2612—Common sensor for both bypass or relief valve and other branch valve
    • Y10T137/2615—Bypass or relief valve opens as other branch valve closes
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2637—Mechanical movement between sensor and 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
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7898—Pivoted valves
    • Y10T137/7902—Valve mounted on end of pipe

Definitions

  • My invention is an improved automatic regulator for pneumatic fiues, adapted to automatically regulate the strength of the aircurrent passing through the flue; and it consists in the peculiar construction and combination of devices hereinafter fully set forth, and pointed out in the claims.
  • Figure 1 is a perspective view of a pneumatic flue provided with an automatic regulator constructed in accordance with my invention.
  • Fig. 2 is a vertical longitudinal sectional view of the same.
  • the main trunk or section 1 of the pneumatic flue is provided on one side (here shown as the upper side) with an elbow or branch flue 2, which is disposed at an appropriate angle with relation to the main fine.
  • the outer end of the branch flue 2 is provided with a valve 3, which is adapted to close the same, and is provided with an arm 4, that projects from its pivoted or hinged side.
  • An adjusting-yoke 5 is pivoted on the branch flue 2, as at 6, said adjusting-yoke having the arms 7, which are astride of said flue 2, and being provided at its outer side with a bandle 8.
  • the flue 2 has a segment-rack 9 on one side, which is engaged by a spring-pressed pivoted locking-dog 10, with which the yoke 5 is provided.
  • Springs 11 connect the arms 7 of the adjusting-yoke with the valve 3 and serve to normally close the said valve, the tension of the springs 11 being regulated by the adj Listing-yoke, as will be understood.
  • a cut-oil? valve 13 which operates in an opening 14 in the upper side of a main trunk 1 of the pneumatic line and is adapted to be extended into the main trunk of the line as far as may be necessary in order to divert a portion of the air blast or current passing through the main line 1 and cause the excess to be discharged through the branch due 2 past the valve 3.
  • the said valve 13 is connected to the arm 4 of valve 3 by a link 15.
  • valve 3 upon an abnor- Inal increase of the pressure of the current or blast passing through the flue l the valve 3 will open, by reason of the pressure on its under side, to permit the escape of the excess volume of air, and that as the valve 3 opens, the valve 13, which is automatically operated thereby, will be moved partially across the flue 1, so as to intercept the current or blast of air therein, the said valves 3 and 13 coacting to automatically relieve the due 1 of excess pressure.
  • my automatic regulator may be so adjusted as to cause the pressure in the :tlue 1 to be relieved when the same exceeds any degree desired.
  • a pneumatic flue having a branch or elbow, an automatic pressure-relieving valve thereon, and a cut-off valve in said pneumatic flue connected to and operated by said pressure relieving valve, substantially as described.
  • a pneumatic flue having a pressure-discharge branch or elbow, an automatic pressure-relieving valve therein, a cut-off valve in said pneumatic flue and means to connect said cut-off valve to said pressure-relieving valve, and regulate the same

Description

Patented May 28, I90l.
c. 3.; cAFr-EY: AUTOMATIC REGULATOR FOR PNEUMATIC FLUES.
(Application filed Oct. 15, 1900.) (No Modoi.)
llNTTnn STATES PATENT UTTTQTJ.
CHARLES E. CAFFEY, OF BASTROP, TEXAS.
AUTOMATIC REGULATOR FOR PNEUMATiC FLUES.
SPECIFICATION forming part of Letters Patent No. 674,958, dated May 28, 1901. Application filed October 15, 1900. Serial No. 33.155. (No model.)
To (tZZ whom, it 777/661] concern.-
Be it known that I, CHARLES E. CAFFEY, a citizen of the United States, residing at Bas trop, in the county of Bastrop and State of Texas, have invented a new and useful Automatic Regulator for Pneumatic Flues, of which the following is a specification.
My invention is an improved automatic regulator for pneumatic fiues, adapted to automatically regulate the strength of the aircurrent passing through the flue; and it consists in the peculiar construction and combination of devices hereinafter fully set forth, and pointed out in the claims.
My invention may be used on a pneumatic conveyer-fiue such as is used to convey seed or lint cotton from a cotton-gin; and my invention is adapted to be used in connection with a pneumatic due of any description in which it may be desirable or necessary to regulate the strength of the air current or blast passing through the flue.
In the accompanying drawings, Figure 1 is a perspective view of a pneumatic flue provided with an automatic regulator constructed in accordance with my invention. Fig. 2 is a vertical longitudinal sectional view of the same.
The main trunk or section 1 of the pneumatic flue is provided on one side (here shown as the upper side) with an elbow or branch flue 2, which is disposed at an appropriate angle with relation to the main fine. The outer end of the branch flue 2 is provided with a valve 3, which is adapted to close the same, and is provided with an arm 4, that projects from its pivoted or hinged side. An adjusting-yoke 5 is pivoted on the branch flue 2, as at 6, said adjusting-yoke having the arms 7, which are astride of said flue 2, and being provided at its outer side with a bandle 8. The flue 2 has a segment-rack 9 on one side, which is engaged by a spring-pressed pivoted locking-dog 10, with which the yoke 5 is provided. Springs 11 connect the arms 7 of the adjusting-yoke with the valve 3 and serve to normally close the said valve, the tension of the springs 11 being regulated by the adj Listing-yoke, as will be understood.
On the rear side of the branch flue 2, in
guides 12, with which the same is provided, is a cut-oil? valve 13, which operates in an opening 14 in the upper side of a main trunk 1 of the pneumatic line and is adapted to be extended into the main trunk of the line as far as may be necessary in order to divert a portion of the air blast or current passing through the main line 1 and cause the excess to be discharged through the branch due 2 past the valve 3. The said valve 13 is connected to the arm 4 of valve 3 by a link 15. The said link is pivotally attached to the valve 13, as at 16, and is pivotally attached to the arm 4: of valve 3 by a pin 17, and said link is provided with a series of adjustingopenings for said pin, said adjusting-openings being designated by the reference-numeral 18 and adapted for so adjusting the valve 13 with reference to the arm 4 as to cause the said valve to be normally extended into the flue 1 as far as may be desirable.
It will be understood that upon an abnor- Inal increase of the pressure of the current or blast passing through the flue l the valve 3 will open, by reason of the pressure on its under side, to permit the escape of the excess volume of air, and that as the valve 3 opens, the valve 13, which is automatically operated thereby, will be moved partially across the flue 1, so as to intercept the current or blast of air therein, the said valves 3 and 13 coacting to automatically relieve the due 1 of excess pressure. By adjusting the valve 13 with relation to the valve 3 and by regulating the tension of the springs 11 my automatic regulator may be so adjusted as to cause the pressure in the :tlue 1 to be relieved when the same exceeds any degree desired.
Having thus described my invention, I claim- 1. A pneumatic flue having a branch or elbow, an automatic pressure-relieving valve thereon, and a cut-off valve in said pneumatic flue connected to and operated by said pressure relieving valve, substantially as described.
2. A pneumatic flue having a pressure-discharge branch or elbow, an automatic pressure-relieving valve therein, a cut-off valve in said pneumatic flue and means to connect said cut-off valve to said pressure-relieving valve, and regulate the same With reference thereto, substantially as described.
3. The combination with a main pneumatic flue and a branch flue leading therefrom, of a valve on the discharge end of said branch flue to relieve the same of pressure, springs to normally close said valve, means to regulate the tension of said springs, a cut-off 10 valve in the main pneumatic line and extensible connections between said cut-off valve and the pressure-relieving valve, substantially as described.
In testimony that I claim the foregoing as my own I have hereto aflixed my signature in I 5 the presence of two witnesses.
CHARLES E. CAFFEY. Witnesses:
J. B. PRICE, J AS. N. JENKINS, J r.
US1900033155 1900-10-15 1900-10-15 Automatic regulator for pneumatic flues. Expired - Lifetime US674958A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972233A (en) * 1957-06-11 1961-02-21 Pure Oil Co Wave breaking device
US3077365A (en) * 1959-01-22 1963-02-12 Sprout Waldron & Co Inc Pneumatic conveying system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972233A (en) * 1957-06-11 1961-02-21 Pure Oil Co Wave breaking device
US3077365A (en) * 1959-01-22 1963-02-12 Sprout Waldron & Co Inc Pneumatic conveying system

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