Eductor
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United States of America Patent
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-
N/A
Issued Date -
Nov 17, 2005
app pub date -
Oct 7, 2004
filing date -
Apr 9, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An eductor having an air gap, a venturi structure, and a non-return valve located in the air gap. The non-return valve is removable and allows the eductor to be operated as an air gap eductor or a non-return valve eductor. A non-return valve cartridge for installing in to the air gap of an air gap eductor, so that the eductor can be operated as a non-return valve eductor. A method of retrofitting a non-return valve in an air gap eductor.
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