Central vacuum cleaner multiple vacuum source control
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United States of America Patent
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May 27, 2014
Grant Date -
Apr 12, 2007
app pub date -
Oct 6, 2006
filing date -
Oct 7, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A central vacuum cleaning system has multiple vacuum sources. The multiple vacuum sources are connected through pipes to wall valves. In use a hose is plugged into one of the valves. A handle is connected to the hose. A wand extends from the handle. Attachments such as a power brush are connected to the wand. Switches apply power from one or more power sources to the vacuum sources. The application of power by the switches is controlled by a control circuit.
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Family
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