Title:
内燃機関の吸気制御装置
Document Type and Number:
Japanese Patent JP4434269
Kind Code:
B2
Abstract:
A passage intake control device includes a passage member, a valve disposed in the passage member and a shaft passing through a through hole of a valve shaft part of the valve. The valve shaft part includes a fitting hole portion as a part of the through hole. The fitting hole portion is provided by at least a first wall, a second wall, a third wall and a fourth wall. The shaft includes a fitting part having a polygonal shape including at least a first shaft surface a second shaft surface, a third shaft surface and a fourth shaft surface. The fitting part is fitted in the fitting hole portion such that the first to fourth shaft surfaces are opposed to the first to fourth walls of the fitting hole portion, respectively. The first and second walls have protruded ribs. The third and fourth walls include flat portions.
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Inventors:
Ryo Sano
Application Number:
JP2007307392A
Publication Date:
March 17, 2010
Filing Date:
November 28, 2007
Export Citation:
Assignee:
株式会社デンソー
International Classes:
F02B31/00; F02D9/10; F02M35/104; F16B4/00
Domestic Patent References:
| JP2007239647A | ||||
| JP2002317718A | ||||
| JP7167309A |
Attorney, Agent or Firm:
Kenji Ishiguro