GB1349490A - Temperature control system - Google Patents

Temperature control system

Info

Publication number
GB1349490A
GB1349490A GB3878671A GB3878671A GB1349490A GB 1349490 A GB1349490 A GB 1349490A GB 3878671 A GB3878671 A GB 3878671A GB 3878671 A GB3878671 A GB 3878671A GB 1349490 A GB1349490 A GB 1349490A
Authority
GB
United Kingdom
Prior art keywords
sensor
scr
temp
media
heater
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
GB3878671A
Other languages
English (en)
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.)
Robertshaw Controls Co
Original Assignee
Robertshaw Controls 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 Robertshaw Controls Co filed Critical Robertshaw Controls Co
Publication of GB1349490A publication Critical patent/GB1349490A/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
    • G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
    • G05D23/303—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature using a sensing element having a resistance varying with temperature, e.g. 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
    • G05D23/1912—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can take more than two discrete values
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Thermally Actuated Switches (AREA)
  • Control Of Resistance Heating (AREA)
  • Control Of Temperature (AREA)
GB3878671A 1970-08-19 1971-08-18 Temperature control system Expired GB1349490A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6521870A 1970-08-19 1970-08-19

Publications (1)

Publication Number Publication Date
GB1349490A true GB1349490A (en) 1974-04-03

Family

ID=22061138

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3878671A Expired GB1349490A (en) 1970-08-19 1971-08-18 Temperature control system

Country Status (4)

Country Link
US (1) US3659782A (enExample)
AU (1) AU451257B2 (enExample)
FR (1) FR2104479A5 (enExample)
GB (1) GB1349490A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747642Y2 (enExample) * 1973-08-24 1982-10-19
US4587403A (en) * 1983-04-25 1986-05-06 Snyder General Corporation Thermostat setback controller sub-base
FR2640401B1 (fr) * 1988-12-12 1991-01-25 Moulinex Sa Dispositif de commande electronique de l'alimentation d'une resistance chauffante
FR3122499B1 (fr) 2021-04-29 2023-04-14 Psa Automobiles Sa Supervision d'une batterie électrique pour véhicule automobile

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425998A (en) * 1943-05-27 1947-08-19 Crise Mfg Company Thermostat control mechanism for heating systems
US2556973A (en) * 1948-02-02 1951-06-12 Honeywell Regulator Co Cycler
US2640649A (en) * 1949-06-25 1953-06-02 Honeywell Regulator Co Thermostatic control apparatus for heating systems
US3211214A (en) * 1963-10-02 1965-10-12 Robertshaw Controls Co Temperature control circuit
US3563681A (en) * 1969-06-30 1971-02-16 Texas Instruments Inc Electrothermal furnace control

Also Published As

Publication number Publication date
US3659782A (en) 1972-05-02
AU451257B2 (en) 1974-08-01
AU3248271A (en) 1973-02-22
FR2104479A5 (enExample) 1972-04-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees