Title:
内燃機関
Document Type and Number:
Japanese Patent JP6958430
Kind Code:
B2
Abstract:
To provide an internal combustion engine which can generate a strong tumble flow.SOLUTION: An internal combustion engine comprises: a cylinder head; an intake port connected to the cylinder head, and opened and closed by an intake valve; and an exhaust port connected to the cylinder head, and opened and closed by an exhaust valve. The cylinder head and a cylinder block attached with the cylinder head form a combustion chamber, the intake port has a first linear part having a linear shape toward an upstream side from a portion contacting with the intake valve, the exhaust port has a second linear part having a linear shape toward a downstream side from a portion contacting with the exhaust valve, the first linear part is substantially parallel with a face at the exhaust port side out of an upper face of the combustion chamber, the second linear part is substantially parallel with a face at the intake port side out of the upper face of the combustion chamber, the first linear part and the face at the exhaust port side out of the upper face are located on the substantially-same linear line, and the second linear part and the face at the intake port side out of the upper face are located on the substantially-same linear line.SELECTED DRAWING: Figure 1
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Inventors:
Kazuka Abe
Application Number:
JP2018035301A
Publication Date:
November 02, 2021
Filing Date:
February 28, 2018
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02F1/42; F02B23/10; F02B31/00
Domestic Patent References:
| JP2015017554A | ||||
| JP2017186962A | ||||
| JP2012180811A |
Attorney, Agent or Firm:
Shuhei Katayama