Title:
ターボ過給機付エンジンの吸気通路構造
Document Type and Number:
Japanese Patent JP6724997
Kind Code:
B2
Abstract:
An intake passage structure for a turbocharger-equipped engine (1) includes a supercharging passage (71) and an air relief passage (72) provided in a compressor case (21a). The air relief passage (72) has an air outflow port (72a) formed through an inner wall surface of an upstream portion (71a) of the supercharging passage (71) upstream of the compressor (21). A projecting member (91) projecting radially inward of a specific portion (90) is provided on a portion of an inner wall surface of the specific portion (90) in a circumferential direction of the inner wall surface. The specific portion (90) ranges from a downstream portion of an upstream intake passage (32) to a portion of the supercharging passage (71) upstream of the air outflow port (72a).
Inventors:
Yoshiyuki Kamigato
Ken Otsuki
Suekuni Einosuke
Kimio Ishida
Koji Hosokawa
Atsushi Watanabe
Ken Otsuki
Suekuni Einosuke
Kimio Ishida
Koji Hosokawa
Atsushi Watanabe
Application Number:
JP2018544604A
Publication Date:
July 15, 2020
Filing Date:
October 11, 2016
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
F02B37/00; F02B39/00; F02M35/10
Domestic Patent References:
| JP62064830U | ||||
| JP4063913A | ||||
| JP2085862U | ||||
| JP2005240569A |
Foreign References:
| US20130152582 |
Attorney, Agent or Firm:
Maeda patent office