Air cleaner and resonator assembly

Details Air cleaner and resonator assembly Air cleaner and resonator assembly

2005-02-08

2005-02-08

Hopkins, Robert A. (Department: 1724)

Gas separation: apparatus

With sound damping means

Sound attenuating gas flow path

C055S385300, C123S184570, C123S19800E, C181S229000

Reexamination Certificate

active

06852151

ABSTRACT:
An air cleaner and resonator assembly is formed from a lower shell portion and an upper shell portion that are joined together to define an interior cavity having an inlet through which air is drawn. An exit tube, formed within the lower shell portion, directs air from the inlet to the engine. A middle shell portion is positioned within the inter cavity and is joined to both the upper and lower shell portions. A lower portion of a resonator is molded into the lower shell portion and an upper portion of the resonator assembly is molded into the middle shell portion. The upper portion is aligned with the lower portion and the middle and lower shell portions are welded together to form a sealed resonator chamber that attenuates engine noise. The upper and lower shell portions are then welded together to form the air cleaner and resonator assembly. Air filters are installed within the interior cavity and are selectively accessible through movable covers installed in the upper shell portion. The air filters are mounted on tube mounts molded into the middle shell portion and rest on cradle mounts formed on the lower shell portion.

REFERENCES:
patent: 6783579 (2004-08-01), Pettipiece
patent: 02019644 (1990-01-01), None

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