Intake noise suppressor

Details Intake noise suppressor Intake noise suppressor

2007-04-03

2007-04-03

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

C181S240000

Reexamination Certificate

active

11194550

ABSTRACT:
An intake manifold10in the air intake tract of an internal combustion engine which has a main flow cross section14between an oncoming flow side12and an outgoing flow side13. At least one resonator chamber23is arranged on the circumference of the main flow cross section14in communication with the main flow cross section14. The resonator chamber23is surrounded by side walls30and closed by a cover28, with the side walls30of the resonator chamber23and the wall15forming the main flow cross section14being manufactured together in one piece. A parting plane31situated between the cover28and the side walls30of the resonator chamber23is arranged outside of the wall15forming the main flow cross section14.

REFERENCES:
patent: 3990415 (1976-11-01), Malphettes
patent: 5756945 (1998-05-01), Maeda et al.
patent: 6009705 (2000-01-01), Arnott et al.
patent: 196 15 917 (1997-10-01), None
patent: 10-274117 (1998-10-01), None

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