GB302344A - A new or improved temperature actuated electric switching device - Google Patents
A new or improved temperature actuated electric switching deviceInfo
- Publication number
- GB302344A GB302344A GB32508/28A GB3250828A GB302344A GB 302344 A GB302344 A GB 302344A GB 32508/28 A GB32508/28 A GB 32508/28A GB 3250828 A GB3250828 A GB 3250828A GB 302344 A GB302344 A GB 302344A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- relay
- points
- new
- thermometer
- 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 2
- 229910052753 mercury Inorganic materials 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/30—Switches having at least one liquid contact with level of surface of contact liquid displaced by expansion or evaporation thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/02—Measuring temperature based on the expansion or contraction of a material the material being a liquid
- G01K5/16—Measuring temperature based on the expansion or contraction of a material the material being a liquid with electric contacts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Resistance Heating (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH302344X | 1927-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB302344A true GB302344A (en) | 1930-01-16 |
Family
ID=4491358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB32508/28A Expired GB302344A (en) | 1927-12-15 | 1928-11-07 | A new or improved temperature actuated electric switching device |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB302344A (enrdf_load_stackoverflow) |
NL (1) | NL24485C (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2458954A (en) * | 1945-02-23 | 1949-01-11 | Francisco Ardila Cardenas | Automatic control system for electric circuits |
-
0
- NL NL24485D patent/NL24485C/xx active
-
1928
- 1928-11-07 GB GB32508/28A patent/GB302344A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2458954A (en) * | 1945-02-23 | 1949-01-11 | Francisco Ardila Cardenas | Automatic control system for electric circuits |
Also Published As
Publication number | Publication date |
---|---|
NL24485C (enrdf_load_stackoverflow) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB538237A (en) | A.d.c. saturated inductance having a relay action | |
GB480655A (en) | Automatic installation switch with bi-metal release | |
GB302344A (en) | A new or improved temperature actuated electric switching device | |
GB455115A (en) | Improvements in arc-rupturing devices for electric circuits | |
GB375536A (en) | Improvements in or relating to the circuit of electric blasting fuses | |
GB297834A (en) | Improvements in or relating to thermally responsive systems in or for electrical apparatus | |
GB389335A (en) | Improvements in or relating to temperature indicators for electrical transformers | |
SU54561A1 (ru) | Термическое реле | |
AT141007B (de) | Selbsttätige elektrische Schalt-, Meß-, Anzeige- oder Regeleinrichtung. | |
GB468916A (en) | Improvements in and relating to fusible electric cut-outs | |
US1622531A (en) | Electrical apparatus | |
GB356110A (en) | Improvements in or relating to thermal cut-out switches | |
GB244426A (en) | Improvements in or relating to electric furnaces | |
GB290597A (en) | Improvements in or relating to means for operating mercury switches | |
GB451329A (en) | Improvements in or relating to temperature control systems | |
GB495486A (en) | Improvements in or relating to electric transformers | |
GB391102A (en) | Improvements in an arrangement for the supervision of glowing cathode valves | |
GB274258A (en) | Improvements in or relating to electric switches and the like | |
GB424014A (en) | Improvements in and relating to thermally-operated electric switches | |
GB286266A (en) | Oil-break switch with resistance | |
GB251275A (en) | An improved thermostat for breaking an electric circuit when a predetermined temperature or current is varied | |
GB450298A (en) | Improvements in and relating to electric thermal relays | |
GB250606A (en) | Improvements in and relating to protective arrangements for rectifier sub-stations | |
GB475954A (en) | A relay system for measuring the time of the continuous flow of an electric current | |
GB233767A (en) | Improvements in and relating to means for energizing an electric winding, relay or the like, after a definite time lag |