Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate
2011-05-03
2011-05-03
Donels, Jeffrey (Department: 2832)
Acoustics
Sound-modifying means
Muffler, fluid conducting type
C181S227000, C181S228000, C181S239000, C181S249000
Reexamination Certificate
active
07934583
ABSTRACT:
A housing for a flue gas unit is provided that includes a closed jacket and two end walls as well as an insert with inlet pipe an outlet pipe and retaining walls, wherein one of the pipes exits from the housing jacket radially. The housing jacket is cut out around the one pipe, the cutout is closed by a concave closing panel adapted to the shape of the cutout, and the closing panel has an opening for the radial pipe end.
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Reuther Georg
Rickertsen Juergen
Donels Jeffrey
Heinrich Gillet GmbH
Muncy Geissler Olds & Lowe, PLLC
Russell Christina
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