Portable air filter
OwnerNess Lakdawala, Quinn Ricoinventors
Life of this patent
Estimating the term…
Abstract
A portable air filter having a cylindrical, perforated shell with an end wall at one end closing the shell and an end wall at the other end having an opening. A hepa filter is removably mounted within the shell adjacent the perforations. The air filter has a blower unit with a through duct and a fan and a motor in the duct. The blower unit is detachably mountable on the shell adjacent the end wall at the other end with one open end of the duct extending through the opening in the end wall. Air is drawn through the perforated shell and hepa filter into the duct and out of the duct through its other open end away from the air filter.
Claims19
An air filter, the air filter having a shell, the shell comprising a perforated, tubular wall, a first end wall at one end of the tubular wall closing the one end, a second end wall at the other end of the tubular wall having an opening;
- a tubular Hepa filter removably mounted within the shell adjacent the perforated wall;
- a blower unit outside the shell having first and second ends, a through duct passing through the unit past the first and second ends of the unit, the duct having an inlet opening at one end and an outlet opening at its other end, a fan in the duct, and a motor for rotating the fan;
- connecting means for mounting the first end of the blower unit on the second end wall of the shell with the duct passing through the opening in the second end wall to have the inlet opening inside the filter whereby rotation of the fan moves air from outside the air filter through the air filter between the perforated wall and the duct, the air passing through the filter to the duct.
A filter unit having:
- an air filter, the air filter having a shell, the shell comprising a perforated, tubular wall, a first end wall at one end of the tubular wall closing the one end, a second end wall at the other end of the tubular wall having an opening;
- a tubular Hepa filter removably mounted within the shell adjacent the perforated wall;
- a blower unit outside the shell having first and second ends, a through duct passing through the unit past the first and second ends of the unit, the duct having an inlet opening at one end and an outlet opening at its other end, a fan in the duct, and a motor for rotating the fan;
- connecting means for mounting the first end of the blower unit on the second end wall of the shell with the duct passing through the opening in the second end wall to have the inlet duct opening inside the filter whereby rotation of the fan moves air from outside the air filter through the air filter between the perforated wall and the duct, the air passing through the filter to the duct;
- and flexible, elongated tubing, the tubing detachably mounted by one end to the blower unit to connect to the outlet opening to move air from the blower unit.
A filter unit as claimed 9 wherein the connecting means include first, first connecting means on the first end of the blower unit near the inlet duct opening and second, first connecting means on the blower unit near the outlet duct opening;
- second connecting means on the other end of the tubular wall;
- the first, first connecting means and second connecting means detachably mounting the blower unit on the other end of the tubular wall;
- first and second connecting means on the ends of the tubing, the second, first connecting means on the blower unit and the second connecting means on the tubing detachably connecting the tubing to the blower unit.
Dependencies are inferred from the claim text.