Gas separation – Combined or convertible – Involving communication receiving or transmitting apparatus
Patent
1993-09-01
1995-10-31
Bushey, C. Scott
Gas separation
Combined or convertible
Involving communication receiving or transmitting apparatus
55495, 55501, 55511, 55DIG31, B01D 4600
Patent
active
054625696
ABSTRACT:
A filter unit is removably attached to a machine housing over an air intake vent to prevent particulate matter from entering the machine and thereby damaging the machine. The filter unit includes a filter, a filter housing, and fasteners to removably attach the filter housing to the machine. The filter unit can be retro-fit by a user of the machine or can be attached during manufacturing.
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