FR1539150A - Temperature control device for thermal engine cooling systems - Google Patents

Temperature control device for thermal engine cooling systems

Info

Publication number
FR1539150A
FR1539150A FR116605A FR116605A FR1539150A FR 1539150 A FR1539150 A FR 1539150A FR 116605 A FR116605 A FR 116605A FR 116605 A FR116605 A FR 116605A FR 1539150 A FR1539150 A FR 1539150A
Authority
FR
France
Prior art keywords
control device
temperature control
engine cooling
cooling systems
thermal engine
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
FR116605A
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.)
Valeo SE
Original Assignee
Francaise du Ferodo SA
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 Francaise du Ferodo SA filed Critical Francaise du Ferodo SA
Priority to FR116605A priority Critical patent/FR1539150A/en
Application granted granted Critical
Publication of FR1539150A publication Critical patent/FR1539150A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
    • F01P7/048—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using electrical drives
    • 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
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR116605A 1967-08-02 1967-08-02 Temperature control device for thermal engine cooling systems Expired FR1539150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR116605A FR1539150A (en) 1967-08-02 1967-08-02 Temperature control device for thermal engine cooling systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR116605A FR1539150A (en) 1967-08-02 1967-08-02 Temperature control device for thermal engine cooling systems

Publications (1)

Publication Number Publication Date
FR1539150A true FR1539150A (en) 1968-09-13

Family

ID=8636270

Family Applications (1)

Application Number Title Priority Date Filing Date
FR116605A Expired FR1539150A (en) 1967-08-02 1967-08-02 Temperature control device for thermal engine cooling systems

Country Status (1)

Country Link
FR (1) FR1539150A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2209200A1 (en) * 1972-12-02 1974-06-28 Lucas Electrical Co Ltd
FR2494521A1 (en) * 1980-11-17 1982-05-21 Marchal Equip Auto Protection circuit for power transistor supplying cooling fan motor - uses voltage divider including positive and negative temp. coefficient thermistors to supply coil of relay which can bridge power transistor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2209200A1 (en) * 1972-12-02 1974-06-28 Lucas Electrical Co Ltd
FR2494521A1 (en) * 1980-11-17 1982-05-21 Marchal Equip Auto Protection circuit for power transistor supplying cooling fan motor - uses voltage divider including positive and negative temp. coefficient thermistors to supply coil of relay which can bridge power transistor

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