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
GB22431/24A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric CofiledCriticalGeneral Electric Co
Publication of GB222479ApublicationCriticalpatent/GB222479A/en
H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
H01H71/10—Operating or release mechanisms
H01H71/12—Automatic release mechanisms with or without manual release
H01H71/14—Electrothermal mechanisms
H01H71/16—Electrothermal mechanisms with bimetal element
H01H71/161—Electrothermal mechanisms with bimetal element with helically or spirally wound bimetal
Landscapes
Thermally Actuated Switches
(AREA)
Abstract
222,479. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts-Ges.). Sept. 27, 1923, [Convention date]. Thermal switches and cutouts have a heating element b located within a bimetallic body a, which is preferably in the form of a helical strip with its axis vertical. One end c of the strip is fixed. The other end d may engage a contact.
Improvements relating to the insulation and securing of parts of electrical apparatus, more particularly applicable to electric kettles and like vessels