Integrated central vacuum cleaner suction device and control
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United States of America Patent
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Mar 8, 2011
Grant Date -
Apr 12, 2007
app pub date -
Oct 7, 2005
filing date -
Oct 7, 2005
priority date (Note) -
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Abstract
An integrated apparatus has a cooling section, a motor section, a suction section and control module. The motor section drives the suction section to draw vacuum air through inlet and exhaust vacuum air through outlet. The motor section also drives the cooling section to draw cooling air through cooling air inlet, and push it through the motor section to cool the motor section. The control module controls the operation of the motor section. The control module is located in the cooling air path after the motor section. The cooling air for the motor section also cools the control module. The cooling section, motor section, suction section and control module are integrally mounted to form a single unit.
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