Title:
エンジンの吸気ポート構造
Document Type and Number:
Japanese Patent JP6757100
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an engine intake port structure that can appropriately strengthen a tumble flow while reducing manufacturing costs.SOLUTION: An engine intake port structure A comprises an intake port 2 provided at an angle inclined with respect to a center line C of a combustion chamber 5, and a ring-shaped valve seat 4 arranged on a periphery of a combustion chamber inlet part 22 of the intake port 2. An inner wall part of the intake port 2 is provided with a valve seat inside entry part 21 that enters the inside of the valve seat 4 and covers at least a portion of an inner peripheral surface of the valve seat 4.SELECTED DRAWING: Figure 1
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Inventors:
Shinichi Namba
Application Number:
JP2017015397A
Publication Date:
September 16, 2020
Filing Date:
January 31, 2017
Export Citation:
Assignee:
Daihatsu Motor Co., Ltd.
International Classes:
F02F1/42; F01L3/22; F02B23/08; F02B31/00; F02F1/24
Domestic Patent References:
| JP58195009U | ||||
| JP8100701A |
Foreign References:
| DE102005050509A1 | ||||
| DE4301632A1 | ||||
| DE3937402A1 |
Attorney, Agent or Firm:
Masato Tsutsui