Patent ID: 11969679
Assignee: nan
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A filter assembly for air purification comprising:
a supportive filter housing having a size and shape dimensioned to fit in a receiving space for an HVAC heating, ventilation and air conditioning system, said supportive filter housing having a frame with a plurality of side members, and said side members defining a first, second, third and fourth sides connected at a first, second, third and fourth corners and defining an open space in the middle of the four sides and four corners including a front and back open area for airflow, each of said members being U-shaped with a narrow lip extending into the front and back open areas;
a surface-enhanced copper filter configured for placement in the supportive filter housing to reside in said open space in the middle of the four sides and four corners of said supportive filter housing, said surface-enhanced copper filter having a first surface with dimensions on a first plane that extends in the open area between the plurality of side members of said supportive filter housing and configured to be retained within its plurality of side members of said supportive filter housing; and,
one or more copper quills having quill surface extensions coated with a substantially pure solid elemental copper material; said one or more copper quills being placed said open space in the middle of the supportive filter housing to promote contact with airborne contaminants and support air purification.