IGNITION TIMING CONTROL SYSTEM FOR ENGINE

Title:

IGNITION TIMING CONTROL SYSTEM FOR ENGINE

Document Type and Number:

Japanese Patent JP3791364

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To solve the problem wherein a degradation in the follow-up of ignition timing to a quick engine speed variation in a transient state including an engine start-up state results in a torque deficiency and a start-up performance degradation.
SOLUTION: In a transient state, an advance limiter ADVLMT for regulating a maximum value of ignition timing advance for every ignition is set at a larger value ADMLMTS than in a steady state, and an energization angle (dwell angle) TDWLLB is increased to thereby improve the follow-up performance of ignition timing control to appropriate ignition timing and ensure sufficient ignition energy. This prevents a degradation in fuel ignitability and torque characteristics at a start-up and the like to improve start-up performance and exhaust emissions.

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Inventors:

Hiroshi Kato
Takahisa Ozeki
Tatsuo Sato
Yuya Masahiko

Application Number:

JP2001246499A

Publication Date:

June 28, 2006

Filing Date:

August 15, 2001

Export Citation:

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Assignee:

Nissan Motor Co., Ltd

International Classes:

F02P5/15; F02D41/04; F02D41/06; F02D41/34; F02D41/36; F02P3/045; (IPC1-7): F02P5/15; F02D41/06; F02D41/36

Domestic Patent References:

JP60122274A
JP9250380A
JP53004126A
JP2001082302A
JP3246369A
JP2305372A
JP59226255A

Attorney, Agent or Firm:

Masaki Goto
Yoshio Matsuda

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