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Title:
ENGINE CONTROL METHOD
Document Type and Number:
Japanese Patent JP2008223765
Kind Code:
A
Abstract:

To bring out potential advantage of a system stopping fuel injection to part of cylinders.

This invention relates to a method for controlling operation of an engine connected to a catalyst for exhaust emission control. In this method under a predetermined condition, the engine is operated under a condition where lean air fuel mixture is burned in a first cylinder group 210 and only air (namely, without fuel injection) is fed to a second cylinder group 220. Additionally, the engine control method provides air fuel ratio control with combining the split air/lean modes. Additionally, in the engine control method, the engine is shifted to a state that combustion occurs in all cylinders under a pre-selected operation condition of purge of stored oxide in an exhaust control device.


Inventors:
SURNILLA GOPICHANDRA
MICHELINI JOHN OTTAVIO
ROTH JOHN M
Application Number:
JP2008105856A
Publication Date:
September 25, 2008
Filing Date:
April 15, 2008
Export Citation:
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Assignee:
FORD GLOBAL TECH LLC
International Classes:
F02D17/02; F02P5/15; B01D53/86; B01J23/58; F01N3/08; F01N3/20; F01N3/24; F01N3/28; F02D29/02; F02D41/00; F02D41/02; F02D41/04; F02D41/14; F02D41/16; F02D41/36; F02M25/08; F01N13/02; F01N13/04; F01N13/10; F02D41/30
Domestic Patent References:
JPS6146436A1986-03-06
JPS52129828A1977-10-31
JP2002115535A2002-04-19
JPS60133145U1985-09-05
JP2002106389A2002-04-10
JP2002130019A2002-05-09
JP2002122018A2002-04-26
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Atsushi Fujita
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori



 
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