Air supply and exhaust adapter for combustion apparatus
Number of patents in Portfolio can not be more than 2000
United States of America
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Feb 25, 2020
Grant Date -
Jul 12, 2018
app pub date -
Jan 3, 2018
filing date -
Jan 3, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In an air supply and exhaust adapter for a combustion device of a forced air supply and exhaust type, with the combustion device comprising an air supply section and an exhaust section being provided to project from a top plate portion of an outer casing; comprising a base portion that comprises a box shaped configuration and an open bottom portion, an air supply intake portion that is formed on the top surface portion of the base portion so as to cover the air supply section and to take in air from the surroundings of the combustion device, a circumferential wall portion that surrounds the periphery of the exhaust section; and a communication passage defined between the top surface portion and the top plate portion so as to communicate the space between the exhaust section and the circumferential wall portion with the air supply intake portion; the communication passage being constructed so that, due to the operation of the air blower means, the gauge pressure therein becomes negative.
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