DE213956C - - Google Patents
Info
- Publication number
- DE213956C DE213956C DENDAT213956D DE213956DA DE213956C DE 213956 C DE213956 C DE 213956C DE NDAT213956 D DENDAT213956 D DE NDAT213956D DE 213956D A DE213956D A DE 213956DA DE 213956 C DE213956 C DE 213956C
- Authority
- DE
- Germany
- Prior art keywords
- contacts
- heat
- attached
- heating
- lamps
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed
- H01H43/30—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed with timing of actuation of contacts due to thermal action
- H01H43/301—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material
- H01H43/302—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of solid bodies
- H01H43/304—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operation after the programme is completed with timing of actuation of contacts due to thermal action based on the expansion or contraction of a material of solid bodies of two bodies expanding or contracting in a different manner, e.g. bimetallic elements
Landscapes
- Resistance Heating (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE213956C true DE213956C (enFirst) |
Family
ID=475565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT213956D Active DE213956C (enFirst) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE213956C (enFirst) |
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0
- DE DENDAT213956D patent/DE213956C/de active Active
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