Title:
INTAKE CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2022149062
Kind Code:
A
Abstract:
To provide an intake control device capable of more efficiently capturing dust in a bypass passage to reduce deterioration of performance against dust accumulation.SOLUTION: An intake control device 1 comprises a bypass passage 5, and a bypass valve 10 that is arranged in a valve hole 8 and adjusts an amount of intake air flowing through the bypass passage 5 by adjusting the cross-sectional area of the bypass passage 5. In the bypass valve 10, a partition wall part 21 is formed with an extended bottom part 23 formed as a concave part that is recessed toward one side with respect to the other surface on the other side of a partition wall part 21 within a range where a valve-side engaging part 17 is arranged, when viewed from a direction in which the valve hole 8 extends.SELECTED DRAWING: Figure 6
Inventors:
INAGAKI DAICHI
NAGASHIMA KOHEI
NAGASHIMA KOHEI
Application Number:
JP2021051010A
Publication Date:
October 06, 2022
Filing Date:
March 25, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD
International Classes:
F02D9/02
Attorney, Agent or Firm:
Creation International Patent Office