Intake apparatus and intake manifold for internal combustion...

Details Intake apparatus and intake manifold for internal combustion... Intake apparatus and intake manifold for internal combustion...

2007-01-31

2008-10-14

Kamen, Noah (Department: 3747)

Internal-combustion engines

Intake manifold

Manifold having plenum

C123S184530

Reexamination Certificate

active

07434558

ABSTRACT:
An intake apparatus for an internal combustion engine, includes a passage section defining an intake passage; and a throttle valve located in the intake passage, the throttle valve including a rotation shaft, and a plate-shaped valve element arranged to rotate about the rotation shaft, and having a first end and a second end, the throttle valve being opened so that the first end is moved in a downstream direction of the intake passage, and that the second end is moved in an upstream direction of the intake passage. The passage section includes a circumferential wall formed with an expansion chamber recessed radially outwards, the expansion chamber extending partially circumferentially, and being located at a longitudinal position that is downstream of the throttle valve, and that intake air flows passing through the first and second ends of the valve element flow into each other.

REFERENCES:
patent: 5377629 (1995-01-01), Brackett et al.
patent: 5809961 (1998-09-01), Morota et al.
patent: 0 376 299 (1990-07-01), None
patent: 1 085 201 (2001-03-01), None
patent: 11-13500 (1999-01-01), None
patent: 11-141416 (1999-05-01), None
patent: 2002-155817 (2002-05-01), None

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