US128924A - Improvement in stop-valves - Google Patents

Improvement in stop-valves Download PDF

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US128924A
US128924A US128924DA US128924A US 128924 A US128924 A US 128924A US 128924D A US128924D A US 128924DA US 128924 A US128924 A US 128924A
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disk
disks
valves
improvement
stop
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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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
    • F16K3/184—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of cams
    • F16K3/186—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of cams by means of cams of wedge from

Definitions

  • FIG.%* was A Ill mllllllf "llifilii'iilllll WITNESSES INVENTUR V ,Zy fliiorney UNITED STATES PATENT OEEIoE.
  • Figure l is a longitudinal section of the improved valve.
  • Fig. 2 is a sectional view of the I duplicate disks E and E, showing their arrangement when opened from their seats.
  • Figs. 3 and 4 are an inside face view and an edge view of the disk E.
  • Figs. 5 and 6 are like views of the disk E.
  • A is the valve-box, which has openings a a for connecting it to the pipes in the usual manner.
  • B is the center-piece, connected with the projection b of the box A, and having a central screw-nut, d, and stuffing-box 0, through which the screw-stem D works for operatingthe disks E and E.
  • the disks are shown in detail in Figs. 3, 4, 5, and 6.
  • the disk E, with which the inner end of the screw-stem D is connected, is provided with a spherical incline projection, 0, and the disk E, also connected with the stem, has a spherical incline depression, f.
  • the said inclines are so constructed and arranged in relation to each other that when the disk E is forced forward by the turning of the screw-stem 1) the incline e presses against the incline f of the disk E and spreads the two disks apart so as to close them upon their seats, as represented in Fig. 1.
  • the inclines are separated from contact with each other, and allow the disks to come together, as seen in Fig. 2, to open them from their seats.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)

Description

S. P; M. TASKER.
Improvement in Stop-Valves.
N0.128,924, Patented Ju|y9,1872.
FIG Q FIG.%* was A Ill mllllllllf "llifilii'iilllll WITNESSES INVENTUR V ,Zy fliiorney UNITED STATES PATENT OEEIoE.
STEPHEN P.'M. TASKER, OF PHILADELPHIA, PE NsYLvANIA.
IMPROVEMENT IN STOP-VALVES.
Specification forming. part of Letters Patent No. 128,924, dated July 9, 1872.
valves inwhich duplicate disks are operated by the same screw-stem and close against fiat seats at opposite points. It consists of spherical inclines on the inner faces of duplicate disks, so constructed and arranged in relation to each other that the pressure of the ends of the screw-stem upon one of the disks, as here inafter described,'forces the inclines together and expands the disks, and thereby closes them upon their seats. As the spherical inclines may turn freely on each other in any direction, when either disk is tilted, by something getting between it and its seat,the normal position of the opposite disk is not disturbed.
Figure l is a longitudinal section of the improved valve. Fig. 2 is a sectional view of the I duplicate disks E and E, showing their arrangement when opened from their seats. Figs. 3 and 4 are an inside face view and an edge view of the disk E. Figs. 5 and 6 are like views of the disk E.
Like letters in all the figures indicate the same parts.
A is the valve-box, which has openings a a for connecting it to the pipes in the usual manner. B is the center-piece, connected with the projection b of the box A, and having a central screw-nut, d, and stuffing-box 0, through which the screw-stem D works for operatingthe disks E and E. The disks are shown in detail in Figs. 3, 4, 5, and 6. The disk E, with which the inner end of the screw-stem D is connected, is provided with a spherical incline projection, 0, and the disk E, also connected with the stem, has a spherical incline depression, f. The said inclines are so constructed and arranged in relation to each other that when the disk E is forced forward by the turning of the screw-stem 1) the incline e presses against the incline f of the disk E and spreads the two disks apart so as to close them upon their seats, as represented in Fig. 1. By a reverse movement of the screw-stem D the inclines are separated from contact with each other, and allow the disks to come together, as seen in Fig. 2, to open them from their seats.
I claim as my invention The combination of male and female spherical inclines e f of the duplicate disks E and E, so constructed and arranged that the tilting of either disk from its valve-seat shall not disturb the normal position of the opposite disk, sub stantially as described.
STEPHEN P. M. TASKER.
Witnesses:
THOMAS J. BEWLEY, STEPHEN UsTIcK.
US128924D Improvement in stop-valves Expired - Lifetime US128924A (en)

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