Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate
2006-04-21
2010-06-15
Donels, Jeffrey (Department: 2832)
Acoustics
Sound-modifying means
Muffler, fluid conducting type
C181S252000, C181S255000, C181S256000, C181S266000, C181S267000, C181S269000, C181S273000, C181S276000, C422S176000, C422S177000
Reexamination Certificate
active
07735604
ABSTRACT:
Silencer of exhaust gases, in particular for motor vehicles, comprising an inlet opening (13) and a cylindrical coat (1) provided with an outlet pipe (29) at its opposing end, said cylindrical coat (1) has an internal division into at least four working sections (5, 6, 7, 8) containing axially arranged elements, especially suppression elements, expansion chambers, a whirl chamber, resonators and twirling, deflecting, and accumulating elements, confined with at least three crosswise arranged partitions (2, 3, 4), while the cylindrical coat (1) opposite to the outlet tube (29) is provided with an inlet section (10) freely encompassing its first working section (5) provided with inlet holes (18) of exhaust gases, said inlet section (10) being attached to the surface of the cylindrical coat (1).
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Ekart Zdenek
Mikes Eduard
Donels Jeffrey
Russell Christina
Wood Herron & Evans LLP
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