Title:
空燃比制御システム
Document Type and Number:
Japanese Patent JP4142477
Kind Code:
B2
Abstract:
To provide an air-fuel ratio control system for easily maintaining operation of an engine 60 by eliminating interference between an engine speed of the engine 60 and an output value of an air-fuel ratio sensor 50.
An ECU 10 (an electronic control device) can easily maintain the operation of the engine 60 by eliminating interference between engine speed control and air-fuel ratio control since disturbance 1 is inevitably eliminated by stopping the air-fuel ratio control by fixing a fuel control valve 22 to predetermined base opening when opening of a throttle valve 25 reaches operation starting opening of a fuel quantity increasing valve 27.
COPYRIGHT: (C)2005,JPO&NCIPI
Inventors:
Kyotaro Nishimoto
Application Number:
JP2003083719A
Publication Date:
September 03, 2008
Filing Date:
March 25, 2003
Export Citation:
Assignee:
Yanmar Co., Ltd.
International Classes:
F02D41/04; F02M21/02; F02D19/02; F02D45/00; F02M21/04
Domestic Patent References:
| JP2275053A | ||||
| JP6341335A |
Attorney, Agent or Firm:
Juichiro Yano