Exhaust gas discharge apparatus
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United States of America Patent
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-
Feb 21, 1995
Grant Date -
N/A
app pub date -
Jun 15, 1994
filing date -
Jun 15, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
The apparatus is a device for removing vehicle exhaust gases from a building. A sealed duct is installed under the floor of a building, and the duct includes a structure for supporting and guiding a hose dolly, a part of which travels within the duct. A flat seal is formed at the top of the duct at the level of the floor by flexible overlapping flaps which are raised and separated by the shape of the hose dolly as it moves along the sunken duct. An air cooled tail pipe coupling permits a hose connection between the hose dolly and a vehicle tail pipe without damage to the hose.
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