Air Purifier with Intelligent Sensors and Intellectual Airflow

An air purifying device comprising:

• an air purifier mechanism received in a housing, the housing providing an air flow path between an air inlet configured to receive ambient air and an air outlet configured to deliver purifier air;
• the air purifier mechanism includes an air purifying system, a fan and a drive mechanism, the air purifying system is disposed in the air flow path and is configured to remove contaminants present in the ambient air passing through the housing, the drive mechanism is configured to drive a fan at variable speeds so as to move the air through the air flow path between the air inlet and air outlet;
• a controller having a plurality of predetermined operational settings to govern operation of the air purifier mechanism, the controller being configured to receive an input to select one of the predetermined operational settings to govern the operation of the air purifier mechanism;
• and
• a sensing device, the sensing device being configured to monitor one or more conditions in a predetermined area proximate the air purifying device so as to detect presence or movement of an object in the predetermined area;
• wherein the air purifier mechanism is configured to operate in at least one of a plurality of modes of operation in each of its predetermined operational setting;
• wherein the controller is configured to change modes of operation of the air purifier mechanism from a first mode of operation to a second mode of operation in response to its sensing device detecting the presence or movement of the object in the predetermined area and based on the selected predetermined operational setting.