Homogeneous charge compression ignition engine and method for operating homogeneous charge compression ignition engine
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 r...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
27.12.2005
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Online Access | Get full text |
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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. |
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AbstractList | 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. |
Author | Aoki, Sigeru Kuzuyama, Hiroshi |
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CorporateAuthor | Kabushiki Kaisha Toyota Jidoshokki |
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References | Taga et al. (6234139) 20010500 (2002-242710) 20020800 (2000-064863) 20000200 (2000-192846) 20000700 Hori et al. (6142117) 20001100 |
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Snippet | A homogeneous charge compression ignition engine for preventing knocking or misfires even if the air-fuel ratio deviates from a target value. The controller... |
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Title | Homogeneous charge compression ignition engine and method for operating homogeneous charge compression ignition engine |
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