Gas separation: processes – Electric or electrostatic field – And nonelectrical separation of fluid mixture
Reexamination Certificate
2008-01-08
2008-01-08
Chiesa, Richard L. (Department: 1724)
Gas separation: processes
Electric or electrostatic field
And nonelectrical separation of fluid mixture
C095S070000, C095S078000, C096S039000, C096S055000, C096S057000, C096S063000, C096S094000, C096S222000
Reexamination Certificate
active
07316729
ABSTRACT:
An air cleaner is provided according to an embodiment of the invention. The air cleaner includes an air duct including an inlet end and an outlet end, a pre-filter positioned at the inlet end, an electrostatic precipitator positioned in the air duct downstream of the pre-filter, a post-filter positioned in the air duct downstream of the electrostatic precipitator, and a fan unit positioned in the air duct downstream of the post-filter. Airflow travels from the inlet end to the outlet end. The airflow first encounters the pre-filter, encounters the electrostatic precipitator after encountering the pre-filter, encounters the post-filter after encountering the electrostatic precipitator, and encounters the fan unit after encountering the post-filter. Each of the pre-filter, the electrostatic precipitator, and the post-filter can be separately installed and removed from the air duct.
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Bourgeois Owen T.
Paterson Christopher M.
Reynolds Charles W.
Chiesa Richard L.
Oreck Holdings LLC
The Ollila Law Group LLC
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