FR697581A - Temperature indicator - Google Patents

Temperature indicator

Info

Publication number
FR697581A
FR697581A FR697581DA FR697581A FR 697581 A FR697581 A FR 697581A FR 697581D A FR697581D A FR 697581DA FR 697581 A FR697581 A FR 697581A
Authority
FR
France
Prior art keywords
temperature indicator
indicator
temperature
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
Application number
Other languages
French (fr)
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.)
Filing date
Publication date
Priority claimed from DEU10801D external-priority patent/DE563745C/en
Application filed filed Critical
Application granted granted Critical
Publication of FR697581A publication Critical patent/FR697581A/en
Expired legal-status Critical Current

Links

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)
  • Emergency Alarm Devices (AREA)
  • Level Indicators Using A Float (AREA)
  • Cookers (AREA)
FR697581D 1929-06-19 1930-06-17 Temperature indicator Expired FR697581A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEU10801D DE563745C (en) 1929-06-19 1929-06-19 Device for displaying certain temperatures
DEU11039D DE565114C (en) 1929-06-19 1929-12-28 Device for displaying certain temperatures
GB18616/30A GB348927A (en) 1929-06-19 1930-06-18 Improvements in temperature alarms

Publications (1)

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

Family

ID=40589791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697581D Expired FR697581A (en) 1929-06-19 1930-06-17 Temperature indicator

Country Status (5)

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

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 (en) * 1958-02-27 1968-04-11 Earl L Pressel Temperature sensor with a membrane that moves under the action of a temperature-sensitive material

Also Published As

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

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