Title:
プレチャンバを備える内燃機関
Document Type and Number:
Japanese Patent JP7388224
Kind Code:
B2
Abstract:
An internal combustion engine is provided with a pre-chamber provided inside a main combustion chamber. The pre-chamber includes an ignition plug, and a casing provided to a ceiling part to cover the ignition plug, the casing isolating an internal space formed therein from the main combustion chamber. A tumble flow of a mixture gas is formed inside the main combustion chamber. A plurality of communicating holes are formed in the casing, and include a first communicating hole opening to an intake port side and a second communicating hole opening to an exhaust port side. The tumble flow flowing into the pre-chamber through the first communicating hole forms in the pre-chamber a vortex flowing in the opposite direction from the tumble flow. The main combustion chamber is provided with a structure configured to suppress a flow opposing the vortex flowing into the pre-chamber through the second communicating hole.
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Inventors:
Ryohei Ohno
Kenji Uchida
Yuji Harada
Kenji Uchida
Yuji Harada
Application Number:
JP2020021639A
Publication Date:
November 29, 2023
Filing Date:
February 12, 2020
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
F02B19/00; F02B19/08; F02B19/18; F02B23/08; F02F3/26; F02F3/28
Domestic Patent References:
| JP2018131912A | ||||
| JP2018131911A | ||||
| JP49036315U | ||||
| JP9096220A | ||||
| JP2002129962A | ||||
| JP10030439A | ||||
| JP2006183512A | ||||
| JP2006226232A | ||||
| JP2000345847A | ||||
| JP53056408A | ||||
| JP2002502932A |
Foreign References:
| US20130139784 |
Attorney, Agent or Firm:
Patent Attorney Corporation Maeda Patent Office
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