GB517231A - Automatic cut-out for use in electric water heaters and the like - Google Patents

Automatic cut-out for use in electric water heaters and the like

Info

Publication number
GB517231A
GB517231A GB2186338A GB2186338A GB517231A GB 517231 A GB517231 A GB 517231A GB 2186338 A GB2186338 A GB 2186338A GB 2186338 A GB2186338 A GB 2186338A GB 517231 A GB517231 A GB 517231A
Authority
GB
United Kingdom
Prior art keywords
electric water
water heaters
automatic cut
pearce
overheating
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
GB2186338A
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.)
JOHN WILLIAM ARCHIBALD PEARCE
Original Assignee
JOHN WILLIAM ARCHIBALD PEARCE
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 JOHN WILLIAM ARCHIBALD PEARCE filed Critical JOHN WILLIAM ARCHIBALD PEARCE
Priority to GB2186338A priority Critical patent/GB517231A/en
Publication of GB517231A publication Critical patent/GB517231A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/22—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release
    • H01H73/30—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release reset by push-button, pull-knob or slide

Landscapes

  • Resistance Heating (AREA)

Abstract

517,231. Thermal switches. PEARCE, J. W. A. July 23, 1938, No. 21863. [Class 38 (v)] On overheating of an electric water heater &c. a stem 2, normally held against spring pressure by engagement of the end of a single bent bimetal strip 4 within a groove, ejects part of a coupling, carrying the heating current, to break the circuit.
GB2186338A 1938-07-23 1938-07-23 Automatic cut-out for use in electric water heaters and the like Expired GB517231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2186338A GB517231A (en) 1938-07-23 1938-07-23 Automatic cut-out for use in electric water heaters and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2186338A GB517231A (en) 1938-07-23 1938-07-23 Automatic cut-out for use in electric water heaters and the like

Publications (1)

Publication Number Publication Date
GB517231A true GB517231A (en) 1940-01-24

Family

ID=10170081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2186338A Expired GB517231A (en) 1938-07-23 1938-07-23 Automatic cut-out for use in electric water heaters and the like

Country Status (1)

Country Link
GB (1) GB517231A (en)

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