Air purifier

An air purifier, comprising:

• a curved body comprising a wall defining an interior space, a first opening to the interior space, and a second opening to the interior space, the wall comprising an aperture extending therethrough;
• an airflow pathway through the body defined between the first and second openings;
• a photocatalyst formed on metalized foam arranged within the interior space and comprising a major surface oriented in a direction along the airflow pathway, an edge that extends outward into the airflow pathway, and another edge coupled to an inner portion of the wall;
• a source of ultraviolet radiation arranged to emit ultraviolet radiation onto at least a portion of the major surface of the photocatalyst to activate the photocatalyst;
• and
• a cover coupled to the body about the aperture and configured to enclose the source of ultraviolet radiation such that substantially all of the ultraviolet radiation emitted by the source of ultraviolet radiation is directed towards the aperture.

An air purifier, comprising:

• a curved body comprising a wall defining an interior space, a first opening to the interior space, and a second opening to the interior space;
• an airflow pathway through the body defined between the first and second openings;
• a photocatalyst arranged within the interior space and comprising a major surface oriented in a direction along the airflow pathway, an edge that extends outward into the airflow pathway, and another edge coupled to an inner portion of the wall, the photocatalyst further comprising turbulence structure to generate turbulent airflow along the airflow pathway,
• wherein the turbulence structure comprises at least a first portion of the photocatalyst being arranged at an angle relative to a second portion of the major surface of the photocatalyst;
• and
• a source of ultraviolet radiation arranged to emit ultraviolet radiation onto at least a portion of the major surface of the photocatalyst to activate the photocatalyst.