Gas separation: processes – With control responsive to sensed condition – Electric or electrostatic field
Reexamination Certificate
2007-06-26
2007-06-26
Chiesa, Richard L. (Department: 1724)
Gas separation: processes
With control responsive to sensed condition
Electric or electrostatic field
C095S003000, C095S069000, C095S078000, C096S018000, C096S019000, C096S057000, C096S058000, C096S063000
Reexamination Certificate
active
10476461
ABSTRACT:
A battery (16) drives an electric motor (17) which in turn drives a fan (18). A circuit board (20) controls the operation of the motor and fan to maintain the flow rate. Air is drawn through an inlet (22) and out through a vent (24). Foam discs (32) and (34) may extract particles from the air and an electrostatic filter may attract aerosols in the air.
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Adams Evans P.A.
Chiesa Richard L.
University of Bradford
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