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Title:
COMBUSTION CONTROL OF DIESEL ENGINE
Document Type and Number:
WIPO Patent Application WO2002090744
Kind Code:
A3
Abstract:
The controller (41) selects premixed combustion or diffusive combustion of the diesel engine (1) based on the running state detected by a sensor (33, 34) (S4, S5). The controller (41) calculates the target oxygen concentration and the target oxygen amount of the intake gas for the selected combustion type. When premixed combustion is selected, the controller (41) preferentially controls the oxygen concentration of the intake gas to the target value. When diffusive combustion is selected, the controller (41) preferentially controls the oxygen amount of the intake gas to the target value. By immediately shifting the target values according to the combustion type without setting transitional target values, increase of noxious substances in the exhaust gas due to the shift of combustion type can be prevented.

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Inventors:
SHIRAKAWA TAKASHI (JP)
Application Number:
PCT/JP2002/003352
Publication Date:
February 20, 2003
Filing Date:
April 03, 2002
Export Citation:
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Assignee:
NISSAN MOTOR (JP)
SHIRAKAWA TAKASHI (JP)
International Classes:
F02B37/00; F02D21/08; F02D23/00; F02D41/00; F02D41/04; F02D41/14; F02D41/30; F02D43/00; F02D45/00; F02M25/07; F02B1/12; F02B3/06; (IPC1-7): F02D35/00; F02D21/08; F02D33/02; F02D41/30
Foreign References:
EP0924419A21999-06-23
EP0889219A21999-01-07
EP0940569A21999-09-08
EP1001153A12000-05-17
EP0985812A22000-03-15
Other References:
See also references of EP 1383997A2
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