FR822710A - Improvements to automatic temperature control - Google Patents

Improvements to automatic temperature control

Info

Publication number
FR822710A
FR822710A FR822710DA FR822710A FR 822710 A FR822710 A FR 822710A FR 822710D A FR822710D A FR 822710DA FR 822710 A FR822710 A FR 822710A
Authority
FR
France
Prior art keywords
temperature control
automatic temperature
automatic
control
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)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR822710A publication Critical patent/FR822710A/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
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • G05D23/2451—Details of the regulator
    • G05D23/2453—Details of the regulator using discharge tubes
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/012—Automatic controllers electric details of the transmission means
    • G05B11/013—Automatic controllers electric details of the transmission means using discharge tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Temperature (AREA)
  • Feedback Control In General (AREA)
FR822710D 1936-06-05 1937-06-05 Improvements to automatic temperature control Expired FR822710A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB202581X 1936-06-05
GB822710X 1936-06-05
GB15844/36A GB479836A (en) 1936-06-05 1936-06-05 Improvements in or relating to the automatic control of temperature

Publications (1)

Publication Number Publication Date
FR822710A true FR822710A (en) 1938-01-06

Family

ID=62200147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR822710D Expired FR822710A (en) 1936-06-05 1937-06-05 Improvements to automatic temperature control

Country Status (3)

Country Link
CH (1) CH202581A (en)
FR (1) FR822710A (en)
GB (1) GB479836A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971855C (en) * 1951-11-17 1959-04-09 Hartmann & Braun Ag Electrical return network, especially for electrical regulators
GB906124A (en) * 1957-11-22 1962-09-19 Rheostatic Co Ltd Improvements in controllers
DE1258772B (en) * 1959-06-03 1968-01-11 Molins Organisation Ltd Rod cigarette machine with a testing device that uses air to determine variations in the mass per unit length of the tobacco stream formed by the distributor

Also Published As

Publication number Publication date
GB479836A (en) 1938-02-07
CH202581A (en) 1939-01-31

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