Abstract: A locking assembly for locking a switch is provided. According to a preferred embodiment, a locking member is connected to a support member having a plurality of first grooves, a lower receiving element, a retaining tab, a resilient member and a fastening element. Preferably, the lower receiving element includes a securing socket element having at least a second groove and a third groove. According to a preferred embodiment, the fastening element preferably secures the locking member, the lower receiving element, and the resilient member with a panel to form a locking assembly that automatically locks the switch when the switch is in a selected position.

Abstract: An air purification system includes a housing having an inlet and a panel. The panel at least partially defines a volume for receiving air from the inlet. The system also includes an internal support structure coupled to the housing and configured to support a plurality of components of the air purifier. The system further includes a blower configured to drive air through the air purifier components. The system also includes a first drawer including a mesh screen having a photocatalytic oxidation catalyst disposed on its surface. The first mesh screen is placed within the flow of air. The system further includes a second drawer including an ultraviolet light bulb in line-of-site position relative to the mesh screen. The system also includes a light shield configured to eliminate line-of-site access to the ultraviolet light bulb from an outlet of the air purification system.

Abstract: An ultrasonic humidifier is disclosed including a chamber, an ultrasonic transducer positioned at the bottom of the chamber, a passage in fluid communication with the chamber, a duct having an inlet and an outlet, the duct being in fluid communication with the passage by way of a passage outlet, a fan positioned in the duct and disposed between the duct inlet and the passage outlet. The fan is configured to propel air through the duct and over the passage outlet such that vapors in the chamber may be drawn into the duct.