Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate
2006-04-13
2008-11-04
Benson, Walter (Department: 2837)
Acoustics
Sound-modifying means
Housing or enclosure
C181S233000, C220S563000, C220S734000, C137S574000
Reexamination Certificate
active
07445082
ABSTRACT:
A noise suppressing device attachable to a wall within a liquid container can lessen and absorb noise generated by a liquid as it moves within the container. The device has a main plate body with an upper plate surface and a lower plate surface, through holes extending through the upper and lower plate surfaces for permitting flow of the liquid from one side of the main plate body to the other side of the main plate body, and projections formed on the main plate body. Each projection has a base and a tip, and is tapered from the base to the tip. The noise suppressing device also has an attachment device for attaching the main plate body to the container wall. The device is easy to manufacture and install, and effectively suppresses liquid noise.
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Aoyama Taiki
Kojima Takeshi
Nakanii Wataru
Benson Walter
Kanesaka Manababu
Nifco Inc.
Nissan Motor Co. Ltd
Russell Christina
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