Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate
2005-09-06
2005-09-06
Martin, David (Department: 2837)
Acoustics
Sound-modifying means
Muffler, fluid conducting type
C181S240000, C123S184530, C123S184570
Reexamination Certificate
active
06938728
ABSTRACT:
An air induction assembly includes a tuning tube that is integrally formed with an air duct having a distal tube end extending into a resonance chamber. The air duct includes a shoulder portion that transitions into a base end of the tuning tube. The shoulder portion has a greater diameter than the tuning tube and defines an external duct surface. The resonance chamber includes an opening for receiving the tuning tube. A flange surrounds the opening and defines an external resonance chamber surface. The external resonance chamber surface abuts against the external duct surface to define an attachment interface. The assembly is welded at the attachment interface to securely attach the resonance chamber to the air duct.
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Bestvater Bryan P.
Chae David J.
DeBacker Brian
Pettipiece Jason
Stass Arden G.
Colon Santana Eduardo
Martin David
Siemens VDO Automotive Inc.
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