CH429979A - Apparatus for controlling a heating element so as to maintain its temperature constant - Google Patents

Apparatus for controlling a heating element so as to maintain its temperature constant

Info

Publication number
CH429979A
CH429979A CH863464A CH863464A CH429979A CH 429979 A CH429979 A CH 429979A CH 863464 A CH863464 A CH 863464A CH 863464 A CH863464 A CH 863464A CH 429979 A CH429979 A CH 429979A
Authority
CH
Switzerland
Prior art keywords
maintain
controlling
heating element
temperature constant
constant
Prior art date
Application number
CH863464A
Other languages
French (fr)
Original Assignee
Monsanto 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
Priority claimed from US291892A external-priority patent/US3354358A/en
Priority claimed from US310806A external-priority patent/US3240916A/en
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of CH429979A publication Critical patent/CH429979A/en

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
    • 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
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Rectifiers (AREA)
CH863464A 1963-07-01 1964-07-01 Apparatus for controlling a heating element so as to maintain its temperature constant CH429979A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US291892A US3354358A (en) 1963-07-01 1963-07-01 Anticipating temperature controller
US310806A US3240916A (en) 1963-09-23 1963-09-23 Solid state anticipating temperature controller

Publications (1)

Publication Number Publication Date
CH429979A true CH429979A (en) 1967-02-15

Family

ID=26967034

Family Applications (1)

Application Number Title Priority Date Filing Date
CH863464A CH429979A (en) 1963-07-01 1964-07-01 Apparatus for controlling a heating element so as to maintain its temperature constant

Country Status (5)

Country Link
CH (1) CH429979A (en)
DE (1) DE1515039A1 (en)
DK (1) DK116100B (en)
GB (1) GB1005938A (en)
NO (1) NO116343B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387763A (en) * 1981-09-14 1983-06-14 Honeywell Inc. Multistage thermostat using multirate integral action and exponential setpoint change

Also Published As

Publication number Publication date
NO116343B (en) 1969-03-10
DK116100B (en) 1969-12-08
DE1515039A1 (en) 1969-06-19
GB1005938A (en) 1965-09-29

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