Pressed assembly for passive valve installation

Details Pressed assembly for passive valve installation Pressed assembly for passive valve installation

2005-09-21

2009-08-18

Donels, Jeffrey (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S227000, C181S228000, C181S250000, C181S254000, C181S266000, C181S273000, C181S276000

Reexamination Certificate

active

07575096

ABSTRACT:
A muffler assembly includes first and second muffler components that are each formed as a single piece. The first muffler component includes a first outlet pipe portion, a first bypass pipe mount portion, and a first resonator shell portion. The second muffler component includes a second output pipe portion, a second bypass pipe mount portion, and a second resonator shell portion. The first and second muffler components are positioned in an overlapping relationship such that respective portions are aligned with each other to form an outlet pipe, a bypass pipe mount, and a resonator shell. A noise attenuation valve assembly is also installed within the first and second muffler components. The bypass pipe mount is positioned at a non-perpendicular orientation relative to the outlet pipe such that a bypass pipe having a straight end mount can be received within the bypass pipe mount to bypass the noise attenuation valve assembly.

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International Preliminary Report On Patentability Dated Apr. 3, 2008.

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