Fine bubble diffuser
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United States of America Patent
Stats
-
Apr 9, 2002
Grant Date -
N/A
app pub date -
Feb 28, 2001
filing date -
Jun 23, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A diffuser includes a substantially rigid base member having a first side and a second side, and an inlet conduit defining a central bore depending from the second side of the base member. A resilient dome member having a plurality of perforations is sealed to a peripheral edge of the first side of the base member. A coupling member, preferably in the form of a check valve, provides cooperation with a fluid source. As the diffuser is pressurized the dome member expands away from the base member and fluid is diffused by the perforations.
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International Classification(s)
Cited Art Landscape
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