Title:
The control method of an internal-combustion engine and an internal-combustion engine
Document Type and Number:
Japanese Patent JP6091024
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an internal combustion engine and an internal combustion engine control method capable of recirculating exhaust gas with fewer components and reducing NOx contained in the exhaust gas.SOLUTION: An internal combustion engine according to the invention comprises: an exhaust outlet 25 discharging flue gas generated by burning combustion gas from a combustion chamber 22 to an outside; an exhaust valve 24 opening or closing the exhaust outlet 25; a scavenging port 27 communicating a scavenging chamber 23 with the combustion chamber 22 and opened or closed by a reciprocating piston 29; and a control unit 30 controlling the exhaust valve 24 to be opened or closed so that an internal pressure of the combustion chamber 22 is higher than an internal pressure of the scavenging chamber 23 when the scavenging port 27 starts to be opened, the exhaust valve 24 closing the exhaust outlet 25 after closing the scavenging port 27.
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Inventors:
Hirokazu Akakawa
Application Number:
JP2015147690A
Publication Date:
March 08, 2017
Filing Date:
July 27, 2015
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
F02D13/02; F02B25/04; F02D45/00
Domestic Patent References:
| JP56047623A | ||||
| JP58015714A | ||||
| JP2005030225A |
Foreign References:
| US20040103863 |
Attorney, Agent or Firm:
Noriharu Fujita
Kunio Ueda
Kunio Ueda
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