JPS5822430U

JPS5822430U - Internal combustion engine fuel supply system

Info

Publication number: JPS5822430U
Application number: JP11606081U
Authority: JP
Inventors: 英之田村; 榎嶋　俊夫; 黒尾　純一
Original assignee: 日産自動車株式会社
Priority date: 1981-08-04
Filing date: 1981-08-04
Publication date: 1983-02-12

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来装置の構成断面図、第２図は本考案の一実
施例を示すフローチャート図、第３図はエンジン冷却水
温から算出される水温補正係数を示すグラフ、第４図は
エンジン回転数とエンジン冷却水温から算出される減速
補正係数を示すグラフである。１・・・絞弁、３・・・燃料噴射弁、６・・・吸入空気
量センサ、８・・・水温センサ、１１・・・回転数セン
サ、１２・・・酸素濃度センサ、１３・・・基本噴射量
演算回路、１４・・・水温増量回路、１５・・・入コン
トロール回路、１６・・・絞弁スイッチ、１７・・・減
速減量回路、１８・・・燃料供給量演算回路、１９・・
・駆動回路。ｆ（Ｔｗ）Ｉｌｘ　ンー：、：’ン４ｔＪ’＄−５Ｌ　　　　Ｔｗ（’
Ｃ）“［− ＤＥｃｓｏｏ　　ｕｏ。Fig. 1 is a sectional view of the configuration of a conventional device, Fig. 2 is a flowchart showing an embodiment of the present invention, Fig. 3 is a graph showing the water temperature correction coefficient calculated from the engine cooling water temperature, and Fig. 4 is the engine rotation. 3 is a graph showing a deceleration correction coefficient calculated from the engine cooling water temperature and engine cooling water temperature. DESCRIPTION OF SYMBOLS 1... Throttle valve, 3... Fuel injection valve, 6... Intake air amount sensor, 8... Water temperature sensor, 11... Rotation speed sensor, 12... Oxygen concentration sensor, 13... - Basic injection amount calculation circuit, 14... Water temperature increase circuit, 15... Input control circuit, 16... Throttle valve switch, 17... Deceleration reduction circuit, 18... Fuel supply amount calculation circuit, 19・・・
・Drive circuit. f(Tw)Il x N-:,:'n4tJ'$-5L Tw('
C) “[- DEc soo uo.

Claims

[Scope of utility model registration request]

An intake air amount sensor that detects the intake air amount of the engine;
Detects the deceleration state of the engine in an internal combustion engine equipped with a rotation speed sensor that detects the engine rotation speed, a water temperature sensor that detects the engine cooling water temperature, and a fuel injection valve that injects fuel based on these detection signals. 1. A fuel supply device for an internal combustion engine, comprising: means for reducing the amount of fuel supplied during deceleration, and calculating means for reducing the amount of fuel supplied based on detection signals from a rotational speed sensor and a water temperature sensor. □