Title:
ポート噴射式エンジン
Document Type and Number:
Japanese Patent JP7299857
Kind Code:
B2
Abstract:
A port injection engine, in which injected fuel readily vaporizes inside suction ports, includes: a suction port; a suction valve; and a port injector that injects fuel to an inner peripheral surface of the suction port. When the fuel is burned in a predetermined combustion cycle, an injection start of a fuel injection period is set within an end part of a valve opening period before the suction valve is fully closed, during a combustion cycle previous to the predetermined combustion cycle. The end part of the valve opening period is preferably set from 50° to 20° before the suction valve is fully closed at a crank angle.
Inventors:
Kosuke Aoki
Tatsusuke Iga
Tatsusuke Iga
Application Number:
JP2020088593A
Publication Date:
June 28, 2023
Filing Date:
May 21, 2020
Export Citation:
Assignee:
Kubota Corporation
International Classes:
F02D41/34; F02B23/08; F02M69/04
Domestic Patent References:
| JP2004353464A | ||||
| JP200657503A | ||||
| JP2245471A | ||||
| JP2006226281A | ||||
| JP2004353558A |
Attorney, Agent or Firm:
Shoji Suzue