Air intake apparatus for internal combustion engine

Details Air intake apparatus for internal combustion engine Air intake apparatus for internal combustion engine

2006-10-31

2006-10-31

Solis, Erick R. (Department: 3747)

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

C123S308000, C123S188140

Reexamination Certificate

active

07128050

ABSTRACT:
In an air intake apparatus for an engine, an intake port is connected to a cylinder of the engine and an intake valve opens and closes a downstream end of the intake port. The air intake apparatus includes a partition wall provided along a longitudinal direction of the intake port so as to cross-sectionally partition the intake port into two sections, and an intake control valve provided in a pipe forming the intake port, opening and closing a first flow path implemented by partition by the partition wall, and closing the first flow path and narrowing a second flow path. Assuming a sliding direction of a piston within cylinder as an up-down direction, the intake port is partitioned into two upper and lower sections.

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Japanese Institute of Invention and Innovation Technical Report No. 2004-506473; Oct. 1, 2004.

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