Development of DISI Gasoline Engine Utilizing a Fan-shaped Spray Jet

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  • 噴流活用ガソリン直噴エンジンの開発
  • フンリュウ カツヨウ ガソリンチョクフンエンジン ノ カイハツ

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Description

A new combustion concept for direct injection spark ignition gasoline engine was developed. Intake tumble flow is accelerated by a new fan-shaped spray jet, mixture homogeneity and combustion speed is improved. By fine atomization and low penetration of the spray, both oil dilution and particulate matter emission, which represent major issues in the concept, are reduced. It also achieves a good performance in stratified combustion for catalyst heating.

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