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JPS52129841A - Air fuel ratio control system by closed loop of engine - Google Patents

Air fuel ratio control system by closed loop of engine

Info

Publication number
JPS52129841A
JPS52129841A JP4447876A JP4447876A JPS52129841A JP S52129841 A JPS52129841 A JP S52129841A JP 4447876 A JP4447876 A JP 4447876A JP 4447876 A JP4447876 A JP 4447876A JP S52129841 A JPS52129841 A JP S52129841A
Authority
JP
Japan
Prior art keywords
engine
control system
fuel ratio
closed loop
ratio control
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
JP4447876A
Other languages
Japanese (ja)
Inventor
Torazo Nishinomiya
Mamoru Fujieda
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 JP4447876A priority Critical patent/JPS52129841A/en
Publication of JPS52129841A publication Critical patent/JPS52129841A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To improve generally the exhaust gas cleaning, the driving performance and the fuel cost with priority on the output at high loading time and on the exhaust gas cleaning at low loading time by holding the controlling function of the controller when the powering device that operates by sucction negative pressure at output loading time is operated.
COPYRIGHT: (C)1977,JPO&Japio
JP4447876A 1976-04-21 1976-04-21 Air fuel ratio control system by closed loop of engine Pending JPS52129841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4447876A JPS52129841A (en) 1976-04-21 1976-04-21 Air fuel ratio control system by closed loop of engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4447876A JPS52129841A (en) 1976-04-21 1976-04-21 Air fuel ratio control system by closed loop of engine

Publications (1)

Publication Number Publication Date
JPS52129841A true JPS52129841A (en) 1977-10-31

Family

ID=12692633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4447876A Pending JPS52129841A (en) 1976-04-21 1976-04-21 Air fuel ratio control system by closed loop of engine

Country Status (1)

Country Link
JP (1) JPS52129841A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791356A (en) * 1980-11-27 1982-06-07 Fuji Heavy Ind Ltd Air-fuel ratio controller
JPS58174141A (en) * 1982-04-06 1983-10-13 Mitsubishi Electric Corp Air fuel ratio controller
DE3439840A1 (en) * 1983-10-31 1985-05-09 Nissan Motor Co., Ltd., Yokohama, Kanagawa DEVICE AND METHOD FOR CONTROLLING THE AIR / FUEL RATIO FOR AN ENGINE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791356A (en) * 1980-11-27 1982-06-07 Fuji Heavy Ind Ltd Air-fuel ratio controller
JPS58174141A (en) * 1982-04-06 1983-10-13 Mitsubishi Electric Corp Air fuel ratio controller
DE3439840A1 (en) * 1983-10-31 1985-05-09 Nissan Motor Co., Ltd., Yokohama, Kanagawa DEVICE AND METHOD FOR CONTROLLING THE AIR / FUEL RATIO FOR AN ENGINE
US4572135A (en) * 1983-10-31 1986-02-25 Nissan Motor Company, Limited Air-to-fuel ratio control system for an engine

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