JPS54130725A - Internal combustion engine for car - Google Patents

Internal combustion engine for car

Info

Publication number
JPS54130725A
JPS54130725A JP3655878A JP3655878A JPS54130725A JP S54130725 A JPS54130725 A JP S54130725A JP 3655878 A JP3655878 A JP 3655878A JP 3655878 A JP3655878 A JP 3655878A JP S54130725 A JPS54130725 A JP S54130725A
Authority
JP
Japan
Prior art keywords
exhaust
passage
fuel ratio
air fuel
concentrated
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
JP3655878A
Other languages
Japanese (ja)
Inventor
Kosuke Ito
Masanori Harada
Masato Hatanaka
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP3655878A priority Critical patent/JPS54130725A/en
Publication of JPS54130725A publication Critical patent/JPS54130725A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust-Gas Circulating Devices (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE: To ensure fixed output, by preventing the generation of exhaust noxious components by setting an air fuel ratio at the concentrated side and flowing back exhaust while compensating output in a low car speed range and by reducing exhaust reflux and by releasing the set of the air fuel ratio at the concentrated side in a high-speed range.
CONSTITUTION: An air fuel ratio controller 5 is incorporated into a carbureter 4 adjusted being one-sided to more concentrated side than a theoretical air fuel ratio. Thus, concentrated mixture is fed under a condition that a by-path air passage 7 is closed and thin mixture under a condition that the passage 7 is opened. An exhaust reflux quantity controller 13 connected to a valve body 12 of an exhaust reflux 11 passage joining an exhaust passage 10 and an intake passage 2 adjusts the opening of an exhaust reflux control valve 17 relating to intake negative pressure. An angle of the lead of ignition timing is delayed by means of an ignition timing controller 27, to which a negative pressure signal passage 27 is connected, at the same time. Thus, the mixture of an air fuel ratio at the concentrated side and exhaust flowed back at a fixed exhaust reflux ratio are sucked to an engine 1 in a low car speed range.
COPYRIGHT: (C)1979,JPO&Japio
JP3655878A 1978-03-31 1978-03-31 Internal combustion engine for car Pending JPS54130725A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3655878A JPS54130725A (en) 1978-03-31 1978-03-31 Internal combustion engine for car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3655878A JPS54130725A (en) 1978-03-31 1978-03-31 Internal combustion engine for car

Publications (1)

Publication Number Publication Date
JPS54130725A true JPS54130725A (en) 1979-10-11

Family

ID=12473075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3655878A Pending JPS54130725A (en) 1978-03-31 1978-03-31 Internal combustion engine for car

Country Status (1)

Country Link
JP (1) JPS54130725A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56125121U (en) * 1980-02-27 1981-09-24
US4369752A (en) * 1979-09-27 1983-01-25 Nissan Motor Co., Ltd. Exhaust gas purification control apparatus for internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4369752A (en) * 1979-09-27 1983-01-25 Nissan Motor Co., Ltd. Exhaust gas purification control apparatus for internal combustion engine
JPS56125121U (en) * 1980-02-27 1981-09-24

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