Noise suppression vanes in the intake system of an internal comb

Details Noise suppression vanes in the intake system of an internal comb Noise suppression vanes in the intake system of an internal comb

1997-05-01

1998-06-02

Okonsky, David A.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123590, 123593, F02M 2900

Patent

active

057586144

ABSTRACT:
An air diffuser (20) for an air intake system of an internal combustion engine. The air intake system includes a throttle body (22) up stream from an intake manifold (24), with the air diffuser (20) mounted between them. The air diffuser (20) includes vanes (62, 64) extending into its main bore (52) in order to diffuse and redirect the air flowing from the throttle body (22) into the intake manifold (24). The diffusion and redirection of the air reduces the noise emanating from the intake manifold (24) for particular engine operating conditions.

REFERENCES:
patent: 3458297 (1969-07-01), Anderson
patent: 3965873 (1976-06-01), Konomi et al.
patent: 4094290 (1978-06-01), Dismuke
patent: 4274386 (1981-06-01), Reyes
patent: 4333441 (1982-06-01), Still et al.
patent: 4672940 (1987-06-01), Nakayama et al.
patent: 4770151 (1988-09-01), Finlay
patent: 5113838 (1992-05-01), Kim
patent: 5501192 (1996-03-01), Cutler

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