MINIMUM INPUT AIR PROVIDING DEVICE AND METHOD
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Apr 22, 2014
filing date -
Apr 22, 2014
priority date (Note) -
Abandoned
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Abstract
An airflow proving device is provided. The device includes: a housing defining an airflow pathway; a first chamber within the housing; a second chamber within the housing located downstream in the flow pathway from the first chamber; structure in the housing defining an orifice, the orifice providing fluid communication between the first and second chamber and being part of the fluid pathway; and a pressure measuring device having a first sensor configured to monitor a pressure in the first chamber and a second sensor configured to monitor a pressure in the second chamber.
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