GB610346A - Improvements in or relating to thermo-contacts - Google Patents
Improvements in or relating to thermo-contactsInfo
- Publication number
- GB610346A GB610346A GB871846A GB871846A GB610346A GB 610346 A GB610346 A GB 610346A GB 871846 A GB871846 A GB 871846A GB 871846 A GB871846 A GB 871846A GB 610346 A GB610346 A GB 610346A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strips
- soldered
- base
- solder
- thermo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Thermally Actuated Switches (AREA)
Abstract
610,346. Temperature-responsive actuating-elements. NEWTON, E. P. (Telefonaktiebolaget L. M. Ericsson.). March 15, 1946, No. 8178. [Class 64(ii)] A thermo - contact more especially for f i r e installations, comprises two bimetallic strips fastened at one end to a base or the like, and soldered together at their other -ends by an easily fusible alloy, said strips when so soldered being entirely on opposite sides of a dividing plane passing through the soldering point and perpendicular to the main limbs of the strips. The strips 1, joined by solder 3 are mounted on base 2 so as to have only a small tendency to separate. This tendency increases with rise in temperature until the melting point of the solder is reached, when the strips move to the positions shown in dotted lines and contact is broken. In a modification. Figs. 2, 3 (not shown), the plane of the strips is perpendicular to that of the base. In a further modification, Figs. 5-7 (not shown), the planes of the strips when soldered together form an angle with each other. The strips may be soldered without first being bent at the ends, and they may also be mounted so as to flex in the same direction on heating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US649357A US2457941A (en) | 1945-03-16 | 1946-02-21 | Thermocontact |
| GB871846A GB610346A (en) | 1946-03-15 | 1946-03-15 | Improvements in or relating to thermo-contacts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB871846A GB610346A (en) | 1946-03-15 | 1946-03-15 | Improvements in or relating to thermo-contacts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB610346A true GB610346A (en) | 1948-10-14 |
Family
ID=9857906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB871846A Expired GB610346A (en) | 1945-03-16 | 1946-03-15 | Improvements in or relating to thermo-contacts |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB610346A (en) |
-
1946
- 1946-03-15 GB GB871846A patent/GB610346A/en not_active Expired
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