Static foam generating apparatus and method
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United States of America Patent
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Jul 23, 2002
Grant Date -
N/A
app pub date -
Oct 27, 1999
filing date -
Oct 27, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A static foam generating apparatus including a pipe having an inner diameter, an axis, an input end, and an output end is disclosed. A plurality of perforated discs are disposed in the pipe, the discs positioned parallel to each other and perpendicular to the pipe axis. A plurality of spacer rings are disposed within the pipe, a spacer ring separating each perforated disc from each adjacent perforated disc. Additionally, a method for generating foam including the steps of providing a static foam generating apparatus including a pipe having an inner diameter, an axis, an input end, and an output end, supplying feed water to the pipe, supplying surfactant to the pipe, and supplying air to the pipe is disclosed.
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