CH267828A - Temperaturschalter für Feueralarmanlagen. - Google Patents
Temperaturschalter für Feueralarmanlagen.Info
- Publication number
- CH267828A CH267828A CH267828DA CH267828A CH 267828 A CH267828 A CH 267828A CH 267828D A CH267828D A CH 267828DA CH 267828 A CH267828 A CH 267828A
- Authority
- CH
- Switzerland
- Prior art keywords
- fire alarm
- temperature switch
- alarm systems
- systems
- switch
- Prior art date
Links
Classifications
-
- 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
- H01H37/56—Thermally-sensitive members actuated due to deflection of bimetallic element having spirally wound or helically wound bimetallic element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
- G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
- G01K3/12—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature based upon expansion or contraction of materials
-
- 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
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Thermal Sciences (AREA)
- Thermally Actuated Switches (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK267828X | 1945-04-13 | ||
DK230146X | 1946-01-23 | ||
DK250446X | 1946-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH267828A true CH267828A (de) | 1950-04-15 |
Family
ID=27222197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH267828D CH267828A (de) | 1945-04-13 | 1948-01-06 | Temperaturschalter für Feueralarmanlagen. |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH267828A (xx) |
DE (1) | DE848463C (xx) |
FR (1) | FR958043A (xx) |
NL (1) | NL70565C (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2698890A (en) * | 1951-07-09 | 1955-01-04 | Edward H Hughes | Automatic fire alarm |
DE957554C (de) * | 1953-09-13 | 1957-02-07 | Otto Ramstetter Dipl Ing | Temperatur-UEberwachungsgeraet |
-
0
- NL NL70565D patent/NL70565C/xx active
- FR FR958043D patent/FR958043A/fr not_active Expired
-
1948
- 1948-01-06 CH CH267828D patent/CH267828A/de unknown
-
1949
- 1949-01-01 DE DEP1261A patent/DE848463C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL70565C (xx) | |
FR958043A (xx) | 1950-03-02 |
DE848463C (de) | 1952-09-04 |
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