Patent ID: 11950750
Assignee: OMACHRON INTELLECTUAL PROPERTY INC.
Field: Chemical engineering (Chemistry)
Classification: CPC A  B | IPC A  B

Claim 10:
11. A hand vacuum cleaner having a front end having a dirty air inlet, a rear end, an upper end and a lower end, the hand vacuum cleaner comprising:
(a) an air treatment chamber comprising a front end, an air treatment chamber air inlet, a rear end, an air treatment chamber air outlet, an air treatment chamber axis extending between the front end and the rear end of the air treatment chamber and a lower axially extending surface;
(b) and a dirt collection chamber that is external to the air treatment chamber
c) a conical pre-motor filter positioned downstream of the air treatment chamber, wherein the conical pre-motor filter has an open interior volume;
d) a suction motor positioned downstream of the pre-motor filter, the suction motor having a suction motor axis of rotation, wherein the suction motor axis of rotation extends through an open interior volume of the pre-motor filter; and,
e) a handle at the rear end of the hand vacuum cleaner
wherein the dirty air inlet is provided at the upper end of the hand vacuum cleaner and the dirt collection chamber comprises a lower surface positioned below the lower axially extending surface of the air treatment chamber, and
wherein the air treatment chamber comprises a lower openable portion which comprises a lower surface of the air treatment chamber, a portion of axially extending walls of the air treatment chamber and the lower surface of the air treatment chamber, and
wherein the lower openable portion is moveable between a closed position and an open position by a mount located at a rear end of the lower openable portion whereby, as the lower openable portion is moved to the open position, the air treatment chamber and the dirt collection chamber are opened.