Nothing Special   »   [go: up one dir, main page]

EP0241008A3 - Engine control system - Google Patents

Engine control system Download PDF

Info

Publication number
EP0241008A3
EP0241008A3 EP87105193A EP87105193A EP0241008A3 EP 0241008 A3 EP0241008 A3 EP 0241008A3 EP 87105193 A EP87105193 A EP 87105193A EP 87105193 A EP87105193 A EP 87105193A EP 0241008 A3 EP0241008 A3 EP 0241008A3
Authority
EP
European Patent Office
Prior art keywords
engine
engine speed
control unit
fuel supply
predetermined
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.)
Withdrawn
Application number
EP87105193A
Other languages
German (de)
French (fr)
Other versions
EP0241008A2 (en
Inventor
Kiyomi Morita
Junji Miyake
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
Publication of EP0241008A2 publication Critical patent/EP0241008A2/en
Publication of EP0241008A3 publication Critical patent/EP0241008A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/32—Controlling fuel injection of the low pressure type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • F02D41/126—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off transitional corrections at the end of the cut-off period
    • 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
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/045—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions combined with electronic control of other engine functions, e.g. fuel injection
    • 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
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/1502—Digital data processing using one central computing unit
    • F02P5/1508—Digital data processing using one central computing unit with particular means during idling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Electrical Control Of Ignition Timing (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

An engine controlling system has an electri­ cal control unit (32) operative during an engine de­ celeration to deenergize an electrically actuated fuel injector (16) to interrupt fuel supply to the engine when a throttle valve (14) is in closed idle position and the engine speed is above a first predetermined r.p.m. level. When it is detected by the control unit (32) that the throttle valve (14) is still in the idle position and the engine speed has been lowered to a second predetermined r.p.m. level lower than the first predetermined level, the control unit operates to resume the fuel supply at a rate increased compared with engine intake air flow rate and engine speed both detec­ ted at this time, and, simultaneously, retard the ignition timing whereby the engine speed smoothly and gradually varies after the resumption of fuel supply.
EP87105193A 1986-04-09 1987-04-08 Engine control system Withdrawn EP0241008A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61081650A JPS62240452A (en) 1986-04-09 1986-04-09 Fuel controller
JP81650/86 1986-04-09

Publications (2)

Publication Number Publication Date
EP0241008A2 EP0241008A2 (en) 1987-10-14
EP0241008A3 true EP0241008A3 (en) 1987-11-19

Family

ID=13752209

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87105193A Withdrawn EP0241008A3 (en) 1986-04-09 1987-04-08 Engine control system

Country Status (3)

Country Link
EP (1) EP0241008A3 (en)
JP (1) JPS62240452A (en)
KR (1) KR870010297A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4327882C1 (en) * 1993-08-19 1994-09-29 Audi Ag Secondary air reserve system
JP4466864B2 (en) * 2005-09-21 2010-05-26 三菱自動車工業株式会社 Control device for internal combustion engine
JP4597156B2 (en) * 2007-03-19 2010-12-15 トヨタ自動車株式会社 Control device for torque demand type internal combustion engine
JP4548486B2 (en) * 2008-01-09 2010-09-22 トヨタ自動車株式会社 Control device for internal combustion engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2033615A (en) * 1978-09-29 1980-05-21 Hitachi Ltd Apparatus and method for controlling fuel injection and ignition timing in internal combustion engines
GB2060063A (en) * 1979-09-28 1981-04-29 Nissan Motor Spark timing control system
EP0055482A2 (en) * 1980-12-29 1982-07-07 Hitachi, Ltd. Fuel injection apparatus for internal combustion engines
US4452212A (en) * 1981-01-26 1984-06-05 Nissan Motor Co., Ltd. Fuel supply control system for an internal combustion engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145819A (en) * 1978-05-04 1979-11-14 Nippon Denso Co Ltd Engine control
JPS5746032A (en) * 1980-09-03 1982-03-16 Toyota Motor Corp Method of control right after stoppage of fuel cut-off
JPS57188736A (en) * 1981-05-08 1982-11-19 Honda Motor Co Ltd Fuel supply controller for internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2033615A (en) * 1978-09-29 1980-05-21 Hitachi Ltd Apparatus and method for controlling fuel injection and ignition timing in internal combustion engines
GB2060063A (en) * 1979-09-28 1981-04-29 Nissan Motor Spark timing control system
EP0055482A2 (en) * 1980-12-29 1982-07-07 Hitachi, Ltd. Fuel injection apparatus for internal combustion engines
US4452212A (en) * 1981-01-26 1984-06-05 Nissan Motor Co., Ltd. Fuel supply control system for an internal combustion engine

Also Published As

Publication number Publication date
JPS62240452A (en) 1987-10-21
EP0241008A2 (en) 1987-10-14
KR870010297A (en) 1987-11-30

Similar Documents

Publication Publication Date Title
CA2136666A1 (en) Engine Rotational Number Controller
CA2065912A1 (en) Fuel limiting method and apparatus for an internal combustion vehicle
JPS57143136A (en) Method of controlling air fuel ratio of internal combustion engine
EP0399829A3 (en) Method of detecting failure of a valve timing changeover control system of an internal combustion engine
ES2014881A6 (en) Device for regulating an operating parameter of an internal combustion engine.
JPS5756643A (en) Intake air flow rate control device of internal combustion engine
JPS5756644A (en) Intake air flow control device of internal combustion engine
JPS5560636A (en) Method of controlling revolutional speed of internal combustion engine
EP0084825A3 (en) Engine control system
MY118495A (en) An apparatus and a method for controlling the ignition timing of a cylinder-injection internal combustion engine
JPS57151034A (en) Control device of air-fuel ratio for internal combustion engine with supercharger
EP0241008A3 (en) Engine control system
CA2010361A1 (en) Apparatus for controlling the number of idle rotations of an internal combustion engine
GB1513924A (en) Apparatus for controlling the addition of supplementary air to the exhaust gas of internal combustion engines
JPS5612029A (en) Control method for speed of revolution in internal combustion engine
US3688753A (en) Engine spark timer
US4532903A (en) Binary and proportional control for a feedback carburetor
CA2030586A1 (en) Intaking rate control device of internal combustion engine
JPS56104131A (en) Internal combustion engine control device
EP0297670A3 (en) Controlled feed and ignition apparatus for internal combustion engines
JPS57119135A (en) Method of controlling idling revolution speed of internal combustion engine
JPS58102755U (en) Starting fuel supply system
JPS6445937A (en) Black smoke preventing device in acceleration of internal combustion engine
JPS6466447A (en) Fuel injection control method of diesel engine
JPS6480744A (en) Electronically controlled fuel injection device for internal combustion engine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): CH DE FR GB IT LI NL SE

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): CH DE FR GB IT LI NL SE

17P Request for examination filed

Effective date: 19871119

17Q First examination report despatched

Effective date: 19880411

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19880822

RIN1 Information on inventor provided before grant (corrected)

Inventor name: MORITA, KIYOMI

Inventor name: MIYAKE, JUNJI