Common vent device for positive vent pressure and draft hood equipped gas appliances
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United States of America Patent
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-
Sep 6, 1988
Grant Date -
N/A
app pub date -
Sep 23, 1987
filing date -
Sep 23, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vent device is provided for common venting of exhaust gases discharged from separate apparatus at different vent pressures. The vent device provides a passageway and exhaust gas inlets for combining the exhaust gases and conveying them to a single vent stack. The higher vent pressure exhaust gases are discharged within the passageway using a venturi or jet pump effect to provide a zone of reduced pressure in the passageway for inducing the flow of the lower vent pressure exhaust gases into the device.
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