JPS57146011A - Cooling system for internal combustion engine - Google Patents

Cooling system for internal combustion engine

Info

Publication number
JPS57146011A
JPS57146011A JP3225681A JP3225681A JPS57146011A JP S57146011 A JPS57146011 A JP S57146011A JP 3225681 A JP3225681 A JP 3225681A JP 3225681 A JP3225681 A JP 3225681A JP S57146011 A JPS57146011 A JP S57146011A
Authority
JP
Japan
Prior art keywords
directional control
tubing
control valve
tubings
water pump
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.)
Pending
Application number
JP3225681A
Other languages
Japanese (ja)
Inventor
Toshio Yamada
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP3225681A priority Critical patent/JPS57146011A/en
Publication of JPS57146011A publication Critical patent/JPS57146011A/en
Pending 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
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group

Abstract

PURPOSE:To increase mechanical octane value of an engine without increase in friction loss and unburned mixture concentration by a method wherein the cylinder head and cylinder block are cooled independently and the cylinder head can be cooled more powerfully than the cylinder block. CONSTITUTION:Respective water jackets 4, 5 are provided in the cylinder head 2 and cylinder block 3 independently. The inlet 6 of the water jacket 4 is connected with the radiator 11 via tubings 8, 12 and a water pump 9. On the other hand, the inlet 13 of the water jacket 5 is connected with the outlet of a water pump 18 via tubings 15, 17 and a directional control valve 16, and the outlet 14 is connected with the suction inlet of the water pump 18 via a tubing 19. The tubing 17 mentioned above is connected with the tubing 15 via the directional control valve 16, tubings 20, 22, 24, a heat exchanger 21 and a directional control valve 23. The directional control valves 16, 23 are to be made of, for example, shape memory alloy so as to remain in the states as indicated by the full lines when temperatures of coolant are preset points or below, for example, 80 deg.C or below and 95 deg.C or below respectively.
JP3225681A 1981-03-05 1981-03-05 Cooling system for internal combustion engine Pending JPS57146011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3225681A JPS57146011A (en) 1981-03-05 1981-03-05 Cooling system for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3225681A JPS57146011A (en) 1981-03-05 1981-03-05 Cooling system for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS57146011A true JPS57146011A (en) 1982-09-09

Family

ID=12353927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3225681A Pending JPS57146011A (en) 1981-03-05 1981-03-05 Cooling system for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS57146011A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012102625A (en) * 2010-11-08 2012-05-31 Toyota Motor Corp Cooling system for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012102625A (en) * 2010-11-08 2012-05-31 Toyota Motor Corp Cooling system for internal combustion engine

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