Homogeneous charge compression ignition engine and method...

Details Homogeneous charge compression ignition engine and method... Homogeneous charge compression ignition engine and method...

2005-12-27

2005-12-27

Mohanty, Bibhu (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C123S568210, C123S294000

Reexamination Certificate

active

06978771

ABSTRACT:
A homogeneous charge compression ignition engine for preventing knocking or misfires even if the air-fuel ratio deviates from a target value. The controller determines the possibility of misfires occurring due to changes in the air-fuel ratio based on a map showing the relationship of the air-fuel ratio and the timing at which the exhaust valve closes (EVC) when stable homogeneous charge compression ignition is enabled. When there is a possibility of misfires occurring, the controller retards the EVC. When there is a possibility of knocking occurring due to changes in the air-fuel ratio, the controller uses a map to advance the EVC.

REFERENCES:
patent: 6142117 (2000-11-01), Hori et al.
patent: 6234139 (2001-05-01), Taga et al.
patent: 2000-064863 (2000-02-01), None
patent: 2000-192846 (2000-07-01), None
patent: 2002-242710 (2002-08-01), None

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