Air mattress control unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 5, 2007
Grant Date -
Jul 6, 2006
app pub date -
Mar 2, 2006
filing date -
Mar 26, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The system of the present invention is a system for supplying air and controlling the flow of air into and out of the chambers of a patient supporting air mattress. It includes an electric motor powered variable speed blower, a two position rotary valve, air mattress supply lines communicating between the rotary valve and the chambers of the air mattress, a continuous exhaust line also connected to the rotary valve, stepper motor controlled valves in the air mattress supply lines, pressure sensors between the stepper motor controlled valves and the chambers of the air mattress and a control unit for controlling the stepper motor controlled valves to control the amount by which the chambers of the air mattress are inflated.
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Family
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