Title:
CONTROL APPARATUS FOR CYLINDER DIRECT INJECTION TYPE INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP3512010
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To effectively treat soot and NOX while improving fuel economy.
SOLUTION: A continuously variable transmission is provided. An engine control curves show the relationship between an engine speed required for calculating required output, and required torque. The engine control curves comprise a first control curve X, and a second control curve Y on a high torque and low speed side compared with the first control curve X, with respect to the same required output. The control apparatus controls the engine to output the required torque TQ and rotate at engine speed N on the first control curve X (point P) corresponding to the required output C, when the degree of activation of an exhaust emission control device is low. On the other hand, when the degree of the activation is high, the control apparatus controls the engine to the output the required torque TQ and rotate at engine speed N, on the second control curve Y (point Q), corresponding to the required output C.
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Inventors:
Murata, Hiroki
Sasaki, Shizuo
Igarashi, Kohei
Sasaki, Shizuo
Igarashi, Kohei
Application Number:
JP2001029999A
Publication Date:
March 29, 2004
Filing Date:
February 06, 2001
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60W10/06; B60W10/10; B60W10/101; B60W10/11; F01N3/02; F01N3/022; F01N3/023; F01N3/035; F01N3/08; B60W10/04; F01N3/20; F02D29/00; F02D41/02; F02D41/04; F02D43/00; (IPC1-7): B60K41/12; B60K41/00; B60K41/06; F01N3/02; F01N3/08; F01N3/20; F02D29/00; F02D41/04; F02D43/00
Attorney, Agent or Firm:
石田 敬 （外２名）
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