Central vacuum cleaner apparatus
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United States of America Patent
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Sep 15, 2015
Grant Date -
Jul 24, 2014
app pub date -
Jan 18, 2013
filing date -
Jan 18, 2013
priority date (Note) -
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Abstract
A central vacuum cleaner having a housing, a suction chamber, a suction motor at an upper end of the suction chamber, a suction motor inlet, a dirt receptacle, a suction chamber inlet into the suction chamber, and a filter bag between the suction chamber inlet and the suction motor inlet cover. The suction motor has an impeller axis and a suction motor inlet located on and surrounding the impeller axis. The suction motor inlet cover has a bottom wall on the impeller axis below the suction motor inlet, a sidewall extending upwards from the bottom wall and surrounding the suction motor inlet, an inlet chamber formed by the bottom wall and sidewall, and an inlet cover opening fluidly connecting the suction chamber to the inlet chamber. The inlet cover opening is offset from the impeller axis and faces at an upwards angle towards the upper end of the suction chamber.
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