Patent ID: 9675219
Date: 2017-06-13
CPC Classifications: A47L

Claim:
1. A vacuum cleaner and backpack assembly, which includes a vacuum cleaner affixed to a backpack accessory, wherein the vacuum cleaner comprises: (a) an exterior casing that has a top half and a bottom half, wherein an interior area of the bottom half of the casing houses a motor that is configured to generate a suction force; (b) an interior tube within the casing that is fluidly coupled to the motor, wherein the interior tube is configured to funnel air generated by the motor to and from a top interior portion of the casing; (c) an internal cylinder disposed within the interior tube, wherein the internal cylinder is smaller in diameter compared to the interior tube and the internal cylinder is configured to funnel air that exits the interior tube back to the motor; (d) one or more vents located at the top interior portion of the casing, which are configured to (i) receive air from the interior tube, (ii) funnel the air in a circular motion, and (iii) generate and impart a centrifugal force on dirt particles included within such air, around a top portion of the internal cylinder; and (e) a filter disposed between the one or more vents and the internal cylinder, wherein the filter is positioned such that air must pass through the filter when exiting the one or more vents and before entering the internal cylinder, wherein the backpack accessory is affixed to the exterior casing and is configured to allow a person to wear the vacuum cleaner in a manner that positions the vacuum cleaner adjacent to the person's back.