JPS5710772A - Overheat prevention unit for internal combustion engine - Google Patents

Overheat prevention unit for internal combustion engine

Info

Publication number
JPS5710772A
JPS5710772A JP8373280A JP8373280A JPS5710772A JP S5710772 A JPS5710772 A JP S5710772A JP 8373280 A JP8373280 A JP 8373280A JP 8373280 A JP8373280 A JP 8373280A JP S5710772 A JPS5710772 A JP S5710772A
Authority
JP
Japan
Prior art keywords
transistor
ignition circuit
engine
internal combustion
combustion 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.)
Pending
Application number
JP8373280A
Other languages
Japanese (ja)
Inventor
Yutaka Nasuda
Shinichi Shoji
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.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co 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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP8373280A priority Critical patent/JPS5710772A/en
Publication of JPS5710772A publication Critical patent/JPS5710772A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P11/00—Safety means for electric spark ignition, not otherwise provided for
    • F02P11/04—Preventing unauthorised use of engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

PURPOSE:To prevent the damage of engine by detecting the temperatures of an internal combustion engine and by halting the operation of an ignition circuit during overheating. CONSTITUTION:A thermal detector 30 is designed to operate when the engine is overheated. As a minute current flows into a transistor 98 through a main switch 90 and a buzzer 92 in normal operation, the transistor 98 is on, and a thyristor 96 remains to be off. Therefore, the ignition circuit operates. As the base current for the transistor 98 flows into an earth through the switch 30 for the thermal detector during overheating, the transistor 98 is turned off. As the thyristor 96 is turned on by the current flowing through resistors 100 and 102, an generating coil 60 is shorted. Therefore, the ignition circuit stops operating. With this construction, the ignition circuit stops operating during overheating, which can prevent the damage of engine. The overheating conditions can be also detected from the buzzer 92.
JP8373280A 1980-06-20 1980-06-20 Overheat prevention unit for internal combustion engine Pending JPS5710772A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8373280A JPS5710772A (en) 1980-06-20 1980-06-20 Overheat prevention unit for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8373280A JPS5710772A (en) 1980-06-20 1980-06-20 Overheat prevention unit for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5710772A true JPS5710772A (en) 1982-01-20

Family

ID=13810688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8373280A Pending JPS5710772A (en) 1980-06-20 1980-06-20 Overheat prevention unit for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5710772A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040716A (en) * 1983-08-13 1985-03-04 Sanshin Ind Co Ltd Combustion controlling device of engine
US4755790A (en) * 1984-07-04 1988-07-05 Suzuki Jidosha Kogyo Kabushiki Kaisha Float switch, a control apparatus and a warning apparatus of an engine
US4938189A (en) * 1988-07-29 1990-07-03 Shindengen Electric Manufacturing Co., Ltd. Automatic ignition control system
JPH04131284U (en) * 1991-05-24 1992-12-02 ダイコク電機株式会社 pachinko game machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4414566Y1 (en) * 1966-10-11 1969-06-21
JPS4833458U (en) * 1971-08-23 1973-04-23
JPS50148726A (en) * 1974-05-22 1975-11-28
JPS5141020B2 (en) * 1972-10-07 1976-11-08
JPS5229533A (en) * 1975-09-02 1977-03-05 Nippon Kokan Kk <Nkk> Automatic reduction of cylinder in internal combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4414566Y1 (en) * 1966-10-11 1969-06-21
JPS4833458U (en) * 1971-08-23 1973-04-23
JPS5141020B2 (en) * 1972-10-07 1976-11-08
JPS50148726A (en) * 1974-05-22 1975-11-28
JPS5229533A (en) * 1975-09-02 1977-03-05 Nippon Kokan Kk <Nkk> Automatic reduction of cylinder in internal combustion engine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040716A (en) * 1983-08-13 1985-03-04 Sanshin Ind Co Ltd Combustion controlling device of engine
JPH0328565B2 (en) * 1983-08-13 1991-04-19 Sanshin Kogyo Kk
US4755790A (en) * 1984-07-04 1988-07-05 Suzuki Jidosha Kogyo Kabushiki Kaisha Float switch, a control apparatus and a warning apparatus of an engine
US4883928A (en) * 1984-07-04 1989-11-28 Suzuki Jidosha Kogyo Kasbushiki Kaisha Float switch, a control apparatus and a warning apparatus of an engine
US4938189A (en) * 1988-07-29 1990-07-03 Shindengen Electric Manufacturing Co., Ltd. Automatic ignition control system
JPH04131284U (en) * 1991-05-24 1992-12-02 ダイコク電機株式会社 pachinko game machine

Similar Documents

Publication Publication Date Title
JPS57131820A (en) Water-cooled engine overheat preventing device
JPS56106068A (en) Preheater of diesel engine
JPS5710772A (en) Overheat prevention unit for internal combustion engine
JPS56165768A (en) Contactless igniter for internal combustion engine
JPS5481530A (en) Method and apparatus of safety check of heater
JPS57181955A (en) Overheat preventer for engine
JPS5618068A (en) Auxiliary starting device for diesel engine
JPS572471A (en) Diesel engine starter circuit
JPS5632077A (en) Circuit for preventing reverse rotation of ignition means of internal combustion engine
JPS6141988Y2 (en)
JPS54151739A (en) Device for preheating internal combustion engine
CA1216044A (en) Control device of a combustion apparatus
JPS6291664A (en) Overheat preventive device for internal combustion engine
JPS6228707Y2 (en)
JPS54154835A (en) Combustion controller
JPS55164791A (en) Turn controller for fan motor
JPS5387030A (en) Safety device for heating equipment
JPS54144526A (en) Internal-combustion engine warming-up heater
JPS5692359A (en) Plasma ignition device for internal combustion engine
JPS6125971A (en) Temperature control system of glow plug for diesel engine
JPS56159987A (en) Protecting device of motor from overheat
JPS55125362A (en) Temperature controller for glow plug
JPS5666456A (en) Auxiliary starter for preheater in diesel engine
JPS5431836A (en) Glow plug temperature detector for diesel engine
JPS57198369A (en) Resistor