Title:
INTAKE DEVICE OF ENGINE
Document Type and Number:
Japanese Patent JP2023034070
Kind Code:
A
Abstract:
To reduce temperature drop and temperature variation of intake air distributed to combustion chambers.SOLUTION: An intake device of a multiple cylinder engine 30 includes a surge tank 45 arranged adjacently to the engine 30, and a plurality of independent downstream side intake passages 46a for distributing and supplying intake air flowing from an inflow port 45a located at a portion deviated in a cylinder row direction to the surge tank 45 to each of combustion chambers 33. The intake device further includes an air guide passage 50 for guiding travel wind to an outflow portion P positioned farthest from the inflow port 45a, an air quantity adjusting device 60 for adjusting an air quantity flowing through the air guide passage 50, and an air quantity controller 61 for controlling the air quantity adjusting device 60. The air quantity controller 61 controls the air quantity adjusting device 60 on the basis of a temperature difference in the cylinder row direction of the surge tank 45.SELECTED DRAWING: Figure 5
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Inventors:
MORISHIMA CHINAMI
MAEKAWA KOTA
MARUMOTO MASAHARU
NARAHARA KAZUAKI
HOKAZONO TORU
SUZUNO KODAI
MAEKAWA KOTA
MARUMOTO MASAHARU
NARAHARA KAZUAKI
HOKAZONO TORU
SUZUNO KODAI
Application Number:
JP2021140140A
Publication Date:
March 13, 2023
Filing Date:
August 30, 2021
Export Citation:
Assignee:
MAZDA MOTOR
International Classes:
F02B29/04; B60K11/06; F01P1/06; F02M35/10
Attorney, Agent or Firm:
Patent Attorney Corporation Maeda Patent Office