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Title:
エンジンの燃料制御装置及びアイドリング時の空燃比制御方法
Document Type and Number:
Japanese Patent JP4365553
Kind Code:
B2
Abstract:
The invention relates to an engine fuel control device including an idle speed control valve (205) that controls an engine speed during idling by bypassing a throttle valve (202), an air bleed valve (208) that is disposed downstream from a regulator (207) for regulating the pressure of a fuel gas supplied to the engine (201) and that controls a flow path area of a passage open to atmosphere, a target speed setting means that sets a target engine speed during idling, a throttle valve opening control means that controls the opening of the idle speed control valve (205) so as to maintain the target engine speed, a control factor setting means that sets a factor so as to control the opening of the idle speed control valve (205), a capturing means that captures a change in a state of the factor, and a control means that controls the air bleed valve (208) based on the change in the state of the factor captured by the capturing means. It controls the air bleed valve (208).

Inventors:
Seiji Asano
Bunji Igarashi
Application Number:
JP2001393338A
Publication Date:
November 18, 2009
Filing Date:
December 26, 2001
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
F02D41/16; F02D19/02; F02M21/02; F02D31/00; F02D35/00; F02D41/00
Domestic Patent References:
JP771324A
JP6368744A
JP426677Y2
JP6307290A
JP1193736A
JP3100345A
JP6137183A
JP569625A
JP63160349U
JP6338661A
Attorney, Agent or Firm:
Yusuke Hiraki