Intake apparatus for internal combustion engine

Details Intake apparatus for internal combustion engine Intake apparatus for internal combustion engine

2005-03-22

2005-03-22

Solis, Erick (Department: 3747)

Internal-combustion engines

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

C123S308000, C123S432000

Reexamination Certificate

active

06868823

ABSTRACT:
An intake apparatus for an internal combustion engine includes an intake port having therein first and second regions extending longitudinally of the intake port. There is further provided a recirculating section defining an intake recirculation passage to recirculate part of intake air from the second region in the intake port to an upstream portion in the intake port to strengthen an intake air stream in the first region of the intake port.

REFERENCES:
patent: 4811231 (1989-03-01), Hataoka et al.
patent: 5329912 (1994-07-01), Matsumoto et al.
patent: 5370098 (1994-12-01), Iida
patent: 5662077 (1997-09-01), Boswell
patent: 6065459 (2000-05-01), Stevens
patent: 6-159079 (1994-06-01), None
patent: 2002-54535 (2002-02-01), None
U.S. Appl. No. 10/676,015, filed Oct. 2, 2003, Arimatsu et al.

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