GB191106269A - New and Improved Valve. - Google Patents

New and Improved Valve.

Info

Publication number
GB191106269A
GB191106269A GB191106269DA GB191106269A GB 191106269 A GB191106269 A GB 191106269A GB 191106269D A GB191106269D A GB 191106269DA GB 191106269 A GB191106269 A GB 191106269A
Authority
GB
United Kingdom
Prior art keywords
piston
closed
outlet
passage
plug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Alexander Purser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191106269A publication Critical patent/GB191106269A/en
Priority to GB191306759D priority Critical patent/GB191306759A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

6269. Purser, A. March 13. Valves closing with rush of fluid; combinations of interdependent valves. - A plug cock particularly adapted for use with pneumatic apparatus is fitted internally with a piston valve adapted to close automatically when the pressure on the outlet side falls below that on the inlet side. In the form shown in Fig. 3, the piston valve 17<a> is closed by the inlet pressure admitted through a passage 19 acting on the underside of the piston 17<a> against the action of the outlet pressure, admitted through a passage 21, and a spring 12 acting on a piston 16<a>. When the piston valve is closed, it opens a passage 20, establishing a by-pass connexion between the inlet and outlet, so that the valve may open automatically when the outlet is closed or restricted. The lower end of the plug is closed by a plate 23, secured in position by a screwed ring 24. Modifications are described in which two piston closures are employed and the plug is inverted.
GB191106269D 1911-03-13 1911-03-13 New and Improved Valve. Expired GB191106269A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB191306759D GB191306759A (en) 1911-03-13 1913-03-19 Improvements in and relating to Valves.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191106269T 1911-03-13

Publications (1)

Publication Number Publication Date
GB191106269A true GB191106269A (en) 1912-03-13

Family

ID=32497610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191106269D Expired GB191106269A (en) 1911-03-13 1911-03-13 New and Improved Valve.

Country Status (1)

Country Link
GB (1) GB191106269A (en)

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