Intake device for internal combustion engine

Details Intake device for internal combustion engine Intake device for internal combustion engine

2007-01-02

2007-01-02

Argenbright, T. M. (Department: 3747)

Internal-combustion engines

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

C123S188140

Reexamination Certificate

active

11391481

ABSTRACT:
An intake device includes an intake pipe, a valve having a downstream side including a cutoff portion and an upstream side rotatably attached to an inner wall of the intake pipe, and a partition plate provided in the intake pipe so as to divide an intake passage in the intake pipe into an upper intake passage and a lower intake passage. The valve has an open state in which the upper and lower intake passages are open, a closed state in which the upper and lower intake passages are closed; and an intermediate state in which the lower intake passage is closed.

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