FR823611A - Photo-electric thermostat - Google Patents

Photo-electric thermostat

Info

Publication number
FR823611A
FR823611A FR823611DA FR823611A FR 823611 A FR823611 A FR 823611A FR 823611D A FR823611D A FR 823611DA FR 823611 A FR823611 A FR 823611A
Authority
FR
France
Prior art keywords
photo
electric thermostat
thermostat
electric
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Standard Oil Development Co
Original Assignee
Standard Oil Development Co
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
Application filed by Standard Oil Development Co filed Critical Standard Oil Development Co
Application granted granted Critical
Publication of FR823611A publication Critical patent/FR823611A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/275—Control of temperature characterised by the use of electric means with sensing element expanding, contracting, or fusing in response to changes of temperature
    • G05D23/27535—Details of the sensing element
    • G05D23/27537—Details of the sensing element using expansible fluid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR823611D 1936-06-26 1937-06-26 Photo-electric thermostat Expired FR823611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US823611XA 1936-06-26 1936-06-26

Publications (1)

Publication Number Publication Date
FR823611A true FR823611A (en) 1938-01-24

Family

ID=22170713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823611D Expired FR823611A (en) 1936-06-26 1937-06-26 Photo-electric thermostat

Country Status (1)

Country Link
FR (1) FR823611A (en)

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