FR697581A - Indicateur de température - Google Patents

Indicateur de température

Info

Publication number: FR697581A
Authority: FR; France
Prior art keywords: temperature indicator; indicator; temperature
Prior art date: 1929-06-19
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

Other languages

Inventor

Josef Unterholzner

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.)

1929-06-19

Filing date

1930-06-17

Publication date

1931-01-20

1929-06-19 Priority claimed from DEU10801D external-priority patent/DE563745C/de

1930-06-17 Application filed filed Critical

1931-01-20 Application granted granted Critical

1931-01-20 Publication of FR697581A publication Critical patent/FR697581A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/04—Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure
- 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
- G01K5/28—Measuring temperature based on the expansion or contraction of a material the material being a gas
- 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
- G01K5/32—Measuring temperature based on the expansion or contraction of a material the material being a fluid contained in a hollow body having parts which are deformable or displaceable
- 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)
Fluid Mechanics (AREA)
Accommodation For Nursing Or Treatment Tables (AREA)
Cookers (AREA)
Emergency Alarm Devices (AREA)
Level Indicators Using A Float (AREA)

FR697581D 1929-06-19 1930-06-17 Indicateur de température Expired FR697581A (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DEU10801D DE563745C (de)	1929-06-19	1929-06-19	Vorrichtung zum Anzeigen bestimmter Temperaturen
DEU11039D DE565114C (de)	1929-06-19	1929-12-28	Vorrichtung zum Anzeigen bestimmter Temperaturen
GB18616/30A GB348927A (en)	1929-06-19	1930-06-18	Improvements in temperature alarms

Publications (1)

Publication Number	Publication Date
FR697581A true FR697581A (fr)	1931-01-20

Family

ID=40589791

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR697581D Expired FR697581A (fr)	1929-06-19	1930-06-17	Indicateur de température

Country Status (5)

Country	Link
AT (1)	AT125861B (fr)
CH (1)	CH149743A (fr)
DE (1)	DE565114C (fr)
FR (1)	FR697581A (fr)
GB (1)	GB348927A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2821951A (en) *	1955-03-21	1958-02-04	Robert W Carver	Pressure indicator
DE1266017B (de) *	1958-02-27	1968-04-11	Earl L Pressel	Temperaturfuehler mit einer sich unter der Wirkung eines temperaturempfindlichen Materials bewegenden Membran

1929
- 1929-12-28 DE DEU11039D patent/DE565114C/de not_active Expired
1930
- 1930-06-10 CH CH149743D patent/CH149743A/de unknown
- 1930-06-11 AT AT125861D patent/AT125861B/de active
- 1930-06-17 FR FR697581D patent/FR697581A/fr not_active Expired
- 1930-06-18 GB GB18616/30A patent/GB348927A/en not_active Expired

Also Published As

Publication number	Publication date
AT125861B (de)	1931-12-10
GB348927A (en)	1931-05-21
CH149743A (de)	1931-12-01
DE565114C (de)	1932-11-26

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