INTAKE AIR FLOW CONTROL VALVE - TOYOTA MOTOR CORP

Title:

INTAKE AIR FLOW CONTROL VALVE

Document Type and Number:

Japanese Patent JP2005054603

Kind Code:

A

Abstract:

To prevent an increase in pressure loss during both finely and fully opening an intake air flow control valve and cause no preset-strength tumble during finely opening it.

The intake air flow control valve comprises a casing 11 having an inlet portion 12 and an outlet portion 15 opposed to the inlet portion and a valve element 30 rotatable in the casing. The valve element has an approximately linear valve element passage 60 sectionally shaped almost the same as the inlet portion and the outlet portion, and the valve element passage of the valve element is partially communicated with the outlet portion when partially communicated with the inlet portion of the casing. Furthermore, the valve element has a branch passage 61 for communicating the inlet portion with the valve element passage when the valve element passage is partially communicated with the inlet portion and the outlet portion of the casing.

Inventors:

KATO YUICHI
ICHINOSE HIROKI
ABE KAZUYOSHI

Application Number:

JP2003206075A

Publication Date:

March 03, 2005

Filing Date:

August 05, 2003

Export Citation:

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Assignee:

TOYOTA MOTOR CORP

International Classes:

F02B31/00; (IPC1-7): F02B31/00

Attorney, Agent or Firm:

Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Hirose Shigeki
Masaya Nishiyama

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