Abstract: An air cleaner including an improved airflow path is provided according to the invention. The air cleaner includes a duct extending between an air inlet of the air cleaner and an air outlet, with the duct being configured to conduct an airflow. The duct includes a shaped input region located downstream of one or more air cleaning components and upstream of an impeller, a curved transition region downstream of the shaped input region, with the curved transition region transitioning the airflow from an air inlet orientation to an air outlet orientation, and an expansion output region downstream of the curved transition region, with the expansion output region allowing the airflow to expand. The air cleaner further includes the impeller located in the curved transition region of the air duct. The airflow is smoothly conducted from the air inlet to the air outlet by the duct.

Abstract: An air cleaner including ozone removal is provided according to an embodiment of the invention. The air cleaner includes an air channel in the air cleaner, an air moving unit located in the air channel and configured to create an airflow, and an ozone decomposing element located in and extending substantially fully across the air channel. The ozone decomposing element causes decomposition of ozone in the airflow.

Abstract: An air cleaner is provided according to an embodiment of the invention. The air cleaner includes a high voltage power supply configured to provide a high voltage to a collector cell and a shut-down circuit coupled to the high voltage power supply. The shut-down circuit is configured to monitor an electrical current supplied to the collector cell, remove electrical power to the collector cell if the electrical current exceeds a predetermined cell current threshold for a predetermined time period, and generate an indication if the electrical power is removed from the collector cell.

Abstract: An airflow shaper for use in an air cleaner is provided according to an embodiment of the invention. The airflow shaper includes a body including a substantially central axis and a raised central region formed on the body. The raised central region transitions an impinging axial airflow into a substantially radial airflow or transitions an impinging radial airflow into a substantial axial airflow.

Abstract: A filter system for an air cleaner is provided according to an embodiment of the invention. The filter system includes one or more filter elements and a filter tray adapted to be received in a filter tray receptacle of the air cleaner. The filter tray includes a bottom surface and one or more bottom airflow apertures formed in the bottom surface. The filter tray receives the one or more filter elements.

Abstract: A magnetic clutch is provided according to an embodiment of the invention. The magnetic clutch includes a shaft including a flange, a magnetic clutch hub installed on the shaft, with the magnetic clutch hub being magnetically responsive, and an actuator member that magnetically operates on the magnetic clutch hub and causes the magnetic clutch hub to frictionally contact the flange of the shaft. The contact transfers rotational power between the magnetic clutch hub and the shaft.

Abstract: A cord management system operable to reduce or eliminate various forces exerted on a vacuum cleaner power cord. The system includes a swiveling strain relief incorporated into the vacuum handle and collars, used to connect sections of a dirty air conduit, having exterior portions that enable the power cord to be retained in a secure manner.

Abstract: A disinfecting device is presented having a UV light source for radiation of a cleaning medium to eradicate the medium of infestation agents such as molds, viuses, bacteria and dust mites. The device enhances the disinfection of the medium by providing mechanisms for enhanced penetration of the UV light into the cleaning medium. The device also offers enhanced heat dissipation to promote effective use of the device. Also provided are safety mechanisms to promote the safe and advantageous use of the UV device.

Abstract: A filter system for an air cleaner is provided according to an embodiment of the invention. The filter system includes a filter frame adapted to fit within the air cleaner and a filter assembly configured to fit to the frame. The filter assembly includes a top aperture and one or more filter panels. A filter panel of the one or more filter panels includes one or more panel edges and one or more interlocking tabs formed on the one or more panel edges.

Abstract: A power shaft including a belt retaining geometry is provided according to an embodiment of the invention. The power shaft includes a shaft including a normal belt position portion adapted for receiving a belt and a reduced diameter portion formed on the shaft and located adjacent to the normal belt position portion. The belt can move into the reduced diameter portion of the power shaft during operation and the reduced diameter portion creates an alignment tension force on the belt that operates to return the belt to the normal belt position portion.

Abstract: A tower ionizer air cleaner is provided. The tower ionizer air cleaner includes a tower chassis, with a base of the tower chassis including a small footprint, one or more airflow inlet openings in the tower chassis, one or more airflow outlet openings in the tower chassis and substantially opposite to the one or more airflow inlet openings, and an ionizer element positioned within the tower chassis. The tower ionizer air cleaner further includes one or more fan units substantially vertically located within the tower ionizer air cleaner and affixed to the tower chassis. The one or more fan units are configured to provide an airflow between the one or more airflow inlet openings and the one or more airflow outlet openings and through the ionizer element.

Abstract: An electrode wire for use in an electrostatic precipitator is provided according to an embodiment of the invention. The electrode wire includes a wire portion of a predetermined length L, a first end, and a second end. The electrode wire further includes retaining bodies formed on the first end and the second end of the wire portion. A retaining body of the retaining bodies is substantially solid.

Abstract: A door safety latch for air cleaner is provided. The door safety latch includes a latch arm including a latch projection, with the latch arm configured to pivot with respect to a door of the air cleaner, and a slider that traps a portion of the latch arm. The slider is configured to hold the latch arm in a first, latched position and further configured to pivot the latch arm to a second, unlatched position. The door safety latch further includes a release button that includes a stop shoulder. The release button is biased to a normally extended position with the stop shoulder blocking movement of the slider and the latch arm to the second, unlatched position.

Abstract: A motor mount assembly for an air cleaner is provided according to an embodiment of the invention. The motor mount assembly includes a motor ring adapted for receiving a motor, a mount ring adapted to be received in the air cleaner, and a plurality of mounting vanes extending between the motor ring and the mount ring. A mounting vane of the plurality of mounting vanes includes a proximal end and a distal end. The distal end is affixed to the motor ring and the proximal end is affixed to the mount ring.

Abstract: An air cleaner is provided according to an embodiment of the invention. The air cleaner includes a high voltage power supply configured to provide a high voltage to a collector cell and a shut-down circuit coupled to the high voltage power supply. The shut-down circuit is configured to monitor an electrical current supplied to the collector cell, remove electrical power to the collector cell if the electrical current exceeds a predetermined cell current threshold for a predetermined time period, and generate an indication if the electrical power is removed from the collector cell.

Abstract: A frame for an electrostatic precipitator cell is provided according to an embodiment of the invention. The frame in one embodiment includes a first frame portion adapted to at least partially receive the electrostatic precipitator cell and a second frame portion adapted to at least partially receive the electrostatic precipitator cell. The second frame portion assembles to the first frame portion to form the frame. The frame includes one or more side portions, an open top end, and an open bottom end. The frame receives and holds the electrostatic precipitator cell.

Abstract: An airflow shaper for use in an air cleaner is provided according to an embodiment of the invention. The airflow shaper includes a body including a substantially central axis and a raised central region formed on the body. The raised central region transitions an impinging axial airflow into a substantially radial airflow or transitions an impinging radial airflow into a substantially axial airflow.

Abstract: An air cleaner conductor system is provided according to an embodiment of the invention. The air cleaner conductor system includes an electrostatic precipitator assembly, a chassis including an electrostatic precipitator receptacle and a power supply, and two or more electrical contacts located in the electrostatic precipitator receptacle and coupled to the power supply. The two or more electrical contacts extend at least partially into the electrostatic precipitator receptacle. The electrostatic precipitator assembly comes into contact with the two or more electrical contacts when the electrostatic precipitator assembly is substantially fully inserted into position in the electrostatic precipitator receptacle.

Abstract: An electrode wire for use in an electrostatic precipitator is provided according to an embodiment of the invention. The electrode wire includes a wire portion of a predetermined length L, a first end, and a second end. The electrode wire further includes retaining bodies formed on the first end and the second end of the wire portion. A retaining body of the retaining bodies is substantially solid.