GB190914642A - Improvements in Steam Stop Valves. - Google Patents

Improvements in Steam Stop Valves.

Info

Publication number
GB190914642A
GB190914642A GB190914642DA GB190914642A GB 190914642 A GB190914642 A GB 190914642A GB 190914642D A GB190914642D A GB 190914642DA GB 190914642 A GB190914642 A GB 190914642A
Authority
GB
United Kingdom
Prior art keywords
pipe
steam
valve
fork
head
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
Thomas Davies
Richard Thomas Zeale
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 GB190914642A publication Critical patent/GB190914642A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
    • F22B37/44—Applications, arrangements, or dispositions of alarm or automatic safety devices of safety valves
    • F22B37/446—Safety devices responsive to overpressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

14,642. Davies, T., and Zeale, R. T. June 22. Valves closing with rush of fluid. -A stop valve, automatically closed on diminution of pressure due to accidental escape of steam but normally operated by a screw g<1>, has a divided spindle g, the two parts of which are held together by flanges s engaging a fork r slidably mounted on a cross-head q. This cross-head is carried by a rod p having a differential piston l, m moving in a cylinder i, one end of which is supplied with steam at boiler pressure through a pipe o, while the other end is connected to the pipe system through a pipe n. When a large diminution of pressure occurs in the pipe system, the fork r is withdrawn, and the valve is closed by the boiler pressure acting on a differential piston e, f connected to the valve spindle.
GB190914642D 1909-06-22 1909-06-22 Improvements in Steam Stop Valves. Expired GB190914642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190914642T 1909-06-22

Publications (1)

Publication Number Publication Date
GB190914642A true GB190914642A (en) 1909-11-25

Family

ID=32556081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190914642D Expired GB190914642A (en) 1909-06-22 1909-06-22 Improvements in Steam Stop Valves.

Country Status (1)

Country Link
GB (1) GB190914642A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113983693A (en) * 2021-12-03 2022-01-28 烟台市特种设备检验研究院 Pressure control device and control method for improving boiler safety

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113983693A (en) * 2021-12-03 2022-01-28 烟台市特种设备检验研究院 Pressure control device and control method for improving boiler safety
CN113983693B (en) * 2021-12-03 2022-10-18 烟台市特种设备检验研究院 Pressure control device and control method for improving boiler safety

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