GB221748A - An improved thermostat for electrically heated apparatus - Google Patents

An improved thermostat for electrically heated apparatus

Info

Publication number
GB221748A
GB221748A GB757324A GB757324A GB221748A GB 221748 A GB221748 A GB 221748A GB 757324 A GB757324 A GB 757324A GB 757324 A GB757324 A GB 757324A GB 221748 A GB221748 A GB 221748A
Authority
GB
United Kingdom
Prior art keywords
lever
electrically heated
thermostats
tappet
incubator
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
GB757324A
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 GB757324A priority Critical patent/GB221748A/en
Publication of GB221748A publication Critical patent/GB221748A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/023—Industrial applications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices

Landscapes

  • Thermally Actuated Switches (AREA)

Abstract

221,748. Johnson, A. March 25, 1924. Thermostats.-Relates to thermostats for electrically heated incubators or like apparatus of the type in which a capsule 4 carries a rod 6 bearing against an adjustable screw 21 mounted in a counterbalnced lever 15 pivoted on the top of the incubator &c., one end of the lever carrying an adjustable weight 18, while the other end actuates the switch controlling the heating circuit. According to the invention, the lever 15 is adjustably secured in a member 14 formed with a conical portion 11 for guiding the rod 6 and is provided at its extreme end with a tappet 17 co-operating with the end of a stepped' flat spring 22 to separate the contacts 25, 26 when the temperature in the incubator exceeding a predetermined maximum. The spring 22 is of nickel silver and has fitted to its free end an arm 28 of insulating material against which the tappet 17 is adapted to bear.
GB757324A 1924-03-25 1924-03-25 An improved thermostat for electrically heated apparatus Expired GB221748A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB757324A GB221748A (en) 1924-03-25 1924-03-25 An improved thermostat for electrically heated apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB757324A GB221748A (en) 1924-03-25 1924-03-25 An improved thermostat for electrically heated apparatus

Publications (1)

Publication Number Publication Date
GB221748A true GB221748A (en) 1924-09-18

Family

ID=9835716

Family Applications (1)

Application Number Title Priority Date Filing Date
GB757324A Expired GB221748A (en) 1924-03-25 1924-03-25 An improved thermostat for electrically heated apparatus

Country Status (1)

Country Link
GB (1) GB221748A (en)

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