Air/water distributor underdrain
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 17, 1987
Grant Date -
N/A
app pub date -
May 29, 1986
filing date -
May 29, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An air/water distributor underdrain assembly for providing a uniform distribution and metering of backwash air and/or water through a filter bed. The distributor assembly includes a distributor member which defines a distributor chamber for receipt of backwash air and/or water thereinto. A plurality of first and second spaced apart openings extend through the distributor member. A shroud extends downwardly into the distributor chamber from each of the first openings in fluid communication with an intermediate portion of the distributor chamber for directing backwash water therethrough. Backwash air collected in a gas compartment formed in an upper portion of the distributor chamber is directed through the second openings.
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