GB383688A - Improvements in thermostats for regulating flash boilers and like fluid heaters - Google Patents

Improvements in thermostats for regulating flash boilers and like fluid heaters

Info

Publication number
GB383688A
GB383688A GB2636631A GB2636631A GB383688A GB 383688 A GB383688 A GB 383688A GB 2636631 A GB2636631 A GB 2636631A GB 2636631 A GB2636631 A GB 2636631A GB 383688 A GB383688 A GB 383688A
Authority
GB
United Kingdom
Prior art keywords
tube
expansion
boiler
fuel
lever
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
GB2636631A
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
Priority to GB2636631A priority Critical patent/GB383688A/en
Publication of GB383688A publication Critical patent/GB383688A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/275—Control of temperature characterised by the use of electric means with sensing element expanding, contracting, or fusing in response to changes of temperature
    • G05D23/27535—Details of the sensing element
    • G05D23/27541—Details of the sensing element using expansible solid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Spray-Type Burners (AREA)

Abstract

383,688. Fuel and air regulators for steam boilers. DOBLE, A., 190, Sea Cliff Avenue, San Francisco, U.S.A. Sept. 21, 1931, No. 26366. [Class 51 (i).] The movements of a part of a boiler tube 6 due to expansion and contraction are transmitted to fuel control devices by an element secured to the tube and made of a metal having the same coefficient of expansion as that of the tube. The tubular element 32 is welded to the boiler tube and may be enclosed by a loop in the tube. A quartz rod 36 in the element engages a rocker arm 37 which, upon expansion of the boiler tube, first engages with the lever of the feed valve 9 to allow water to enter the boiler. Further movement of the quartz rod causes the arm 37 to engage a lever 26, thus opening contacts 23 in the supply lines of an electric motor 21 driving the fan supplying air and liquid fuel to the burner.
GB2636631A 1931-09-21 1931-09-21 Improvements in thermostats for regulating flash boilers and like fluid heaters Expired GB383688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2636631A GB383688A (en) 1931-09-21 1931-09-21 Improvements in thermostats for regulating flash boilers and like fluid heaters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2636631A GB383688A (en) 1931-09-21 1931-09-21 Improvements in thermostats for regulating flash boilers and like fluid heaters

Publications (1)

Publication Number Publication Date
GB383688A true GB383688A (en) 1932-11-24

Family

ID=10242524

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2636631A Expired GB383688A (en) 1931-09-21 1931-09-21 Improvements in thermostats for regulating flash boilers and like fluid heaters

Country Status (1)

Country Link
GB (1) GB383688A (en)

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