Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1989-07-03
1991-01-15
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Assembling or joining
29428, 180 683, B23P 1102
Patent
active
049843508
ABSTRACT:
A resonator for reducing air intake noise levels occurring in air intake systems of automotive vehicles and an easy installation method therefor are provided. This resonator includes a first tube and a second tube shorter than the first tube to reduce noise at different frequency bands, each extending laterally into a bumper from an air intake duct of an air cleaner. For installation of the resonator, one of a pair of bumper stays is mounted at the front of one of a pair of side members of a vehicular frame. Then, the first tube is attached to said first bumper stay and the second tube is attached to a bracket provided on a radiator core supporting member within the engine compartment. Subsequently, a second bumper stay already installed on a bumper reinforcement member is mounted to the other front side member so as to dispose said first and second tubes within the bumper reinforcement. Finally, the bumper reinforcement is installed to the first bumper stay to be secured to the front of the vehicle frame.
REFERENCES:
patent: 4354566 (1982-10-01), Yuda
patent: 4633564 (1987-01-01), Saiber
patent: 4765633 (1988-08-01), Hossack
patent: 4829646 (1989-05-01), Ciogolotti et al.
patent: 4850771 (1989-07-01), Hurd
Cuda I.
Goldberg Howard N.
Nissan Motor Company Limited
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