Fuel injection control device of cylinder direct injection engin

Details Fuel injection control device of cylinder direct injection engin Fuel injection control device of cylinder direct injection engin

1998-10-06

2000-02-22

Wolfe, Willis R.

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

123295, 123478, 123480, F02D 4140, F02B 1700

Patent

active

06026781&

ABSTRACT:
A fuel injection control device in a cylinder direct injection engine which switches between premixed combustion by intake stroke injection and stratified combustion by compression stroke injection in accordance with a change of an engine speed or a required load, where an unpleasant torque shock occurring when the injection mode is changed and the combustion state is changed despite the vehicle operating in the driving pattern such as driving on an upward slope or downward slope is prevented by maintaining the same injection mode while the vehicle continues to operate in the same driving state and where stratified combustion by the compression stroke injection is carried out when the vehicle is in driving on a downward slope, but is augmented by intake stroke injection when the vehicle sharply accelerates and the torque becomes insufficient.

REFERENCES:
patent: 4955339 (1990-09-01), Sasaki et al.
patent: 5170759 (1992-12-01), Ito
patent: 5239966 (1993-08-01), Yamagata et al.
patent: 5241939 (1993-09-01), Nonaka
patent: 5271362 (1993-12-01), Kobayashi et al.
patent: 5638790 (1997-06-01), Minowa et al.
patent: 5782221 (1998-07-01), Woldt et al.
patent: 5947087 (1999-09-01), Minowa et al.

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