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 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 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 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: 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 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: 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: 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: 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.

Abstract: An integral vacuum cleaner bumper is provided according to an embodiment of the invention. The bumper includes a bumper shell formed of an at least partially resilient material and includes an inner surface that mates to the vacuum cleaner chassis and an outer surface. The bumper shell is affixed to the vacuum cleaner chassis as an integral component of the vacuum cleaner and the outer surface of the bumper shell becomes a portion of an outer surface of the vacuum cleaner. The bumper further includes one or more cavities formed along a bottom edge region of the bumper shell, one or more corresponding magnets designed to fit into the one or more cavities, a backing plate including one or more fastener apertures, and one or more fasteners that pass through the one or more fastener apertures of the backing plate and affix the backing plate to the bumper shell.

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: An air cleaner is provided according to an embodiment of the invention. The air cleaner includes a power supply, an electrostatic precipitator cell, and a door. The door closes the electrostatic precipitator cell inside the air cleaner. The air cleaner further includes a door switch that is actuated by the door when the door is substantially closed. The air cleaner further includes a cell presence switch. The electrostatic precipitator cell actuates the cell presence switch when the electrostatic precipitator cell is at least partially inserted into the air cleaner. The cell presence switch and the door switch enable electrical power to be supplied from the power source to one or more air cleaner components when the electrostatic precipitator cell is at least partially inserted into the air cleaner and when the door is substantially closed.

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 dirty air conduit, having exterior portions that enable the power cord to be retained in a secure manner.

Abstract: A vacuum cleaner according to an embodiment of the invention includes a chassis, a fan unit including a blower housing mounted to the chassis and an inlet housing affixed to the blower housing, and a baseplate affixed to the chassis. An access aperture is formed in the baseplate. The access aperture extends at least partially over the fan unit. A door can be included in the baseplate. A bearing washer is positioned between the blower housing and the inlet housing and provides a substantially air-tight seal between the blower housing and the inlet housing. The inlet housing includes a bearing face, an inlet conduit portion, a slide flange, and a slide block. The slide block slides into and engages the slide flange and further slides into and engages the chassis of the vacuum cleaner.