Title:
エンジン
Document Type and Number:
Japanese Patent JP6920150
Kind Code:
B2
Abstract:
To increase a flow rate of intake air, and further enhance flowability of the intake air.SOLUTION: An engine comprises a combustion chamber. The engine has a cylinder head formed with an intake port 24 communicating with the combustion chamber. The intake port 24 comprises an upstream side first flow passage part 41 having a flat flow passage cross section, and a downstream side second flow passage part 42 having a flat flow passage cross section. The first flow passage part 41 has a shape of being twisted toward the downstream side in a first direction, and the second flow passage part 42 has a shape of being twisted toward the downstream side in a second direction reverse to the first direction.SELECTED DRAWING: Figure 4
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Inventors:
Wakamoto
Application Number:
JP2017181535A
Publication Date:
August 18, 2021
Filing Date:
September 21, 2017
Export Citation:
Assignee:
Subaru corporation
International Classes:
F02F1/42; F02B31/08
Domestic Patent References:
| JP6369727U | ||||
| JP2004144071A | ||||
| JP201090849A |
Attorney, Agent or Firm:
Tsutsui International Patent Office