JPS5632069A - System for controlling engine preheater - Google Patents

System for controlling engine preheater

Info

Publication number
JPS5632069A
JPS5632069A JP10722179A JP10722179A JPS5632069A JP S5632069 A JPS5632069 A JP S5632069A JP 10722179 A JP10722179 A JP 10722179A JP 10722179 A JP10722179 A JP 10722179A JP S5632069 A JPS5632069 A JP S5632069A
Authority
JP
Japan
Prior art keywords
preheating
thermostat
capacitor
turned
transistor
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
JP10722179A
Other languages
Japanese (ja)
Inventor
Susumu Shiba
Shotaro Naito
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10722179A priority Critical patent/JPS5632069A/en
Publication of JPS5632069A publication Critical patent/JPS5632069A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE: To improve starting property of an internal combustion engine, by providing a timer circuit for controlling perheating of a thermostat by passing electric current to the thermostat for a time period required for cranking the engine and then stopping current supply in a preheating system of the engine.
CONSTITUTION: When a key switch 2 is turned to the preheating position, a transistor 12 conducts and a "preheating" indicating lamp 4 is lighted. In this state, when the voltage of a capacitor 6 is raised to a predetermined level, lamp 4 is turned OFF, thus indicating completion of preheating. Here, if the switch 2 is turned to the starter position, a capacitor 16 begins to discharge and current is supplied to a heater coil 3 of a thermostat since a power transistor 23 is in conduction. Afte passing of a certain time when the voltage of capacitor 16 is lowered by discharge, a transistor 21 is de-energized and current supply to heater coil 3 is stopped.
COPYRIGHT: (C)1981,JPO&Japio
JP10722179A 1979-08-24 1979-08-24 System for controlling engine preheater Pending JPS5632069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10722179A JPS5632069A (en) 1979-08-24 1979-08-24 System for controlling engine preheater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10722179A JPS5632069A (en) 1979-08-24 1979-08-24 System for controlling engine preheater

Publications (1)

Publication Number Publication Date
JPS5632069A true JPS5632069A (en) 1981-04-01

Family

ID=14453553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10722179A Pending JPS5632069A (en) 1979-08-24 1979-08-24 System for controlling engine preheater

Country Status (1)

Country Link
JP (1) JPS5632069A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02110262U (en) * 1989-02-17 1990-09-04
JPH0399770A (en) * 1989-09-12 1991-04-24 Asahi Denki Kk Method and apparatus for melting and casting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02110262U (en) * 1989-02-17 1990-09-04
JPH0399770A (en) * 1989-09-12 1991-04-24 Asahi Denki Kk Method and apparatus for melting and casting

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