Title:
エンジン制御システム
Document Type and Number:
Japanese Patent JP6859839
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To effectively prevent a surge phenomenon of a supercharger.SOLUTION: An engine control system comprises: variable valve timing mechanisms 50, 51; a supercharger 30; state quantity acquisition units 90, 94 configured to acquire suctioned air state quantity of an engine; a determination unit 130 configured to determine whether the suctioned air state quantity is within a predetermined surge region where a surge phenomenon may occur in the supercharger 30; and a control unit 140 configured to, when it is determined that the suctioned air state quantity is within the predetermined surge region, control the variable valve timing mechanisms 50, 51 to execute surge prevention control of repeating a suction stroke and an exhaust stroke twice each cycle.SELECTED DRAWING: Figure 2
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Inventors:
Yuki Seto
Haruo Suzuki
Haruo Suzuki
Application Number:
JP2017094370A
Publication Date:
April 14, 2021
Filing Date:
May 11, 2017
Export Citation:
Assignee:
Isuzu Motors Limited
International Classes:
F02D13/02; F02D23/00; F02D43/00
Domestic Patent References:
| JP8028226A | ||||
| JP2003083099A | ||||
| JP2006233788A | ||||
| JP2009068450A | ||||
| JP2009508040A | ||||
| JP2016044670A |
Attorney, Agent or Firm:
at Patent Business Corporation