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

Claim 0:
1. 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) a cyclone assembly comprising a first stage cyclone and a dirt collection chamber, the first stage cyclone comprising a front end having a cyclone air inlet, a rear end having a cyclone air outlet, a cyclone axis of rotation extending between the front end and the rear end of the cyclone and a lower axially extending surface;
(b) a conical pre-motor filter positioned downstream of the first stage cyclone;
(c) a suction motor positioned rearward of the pre-motor filter, the suction motor having an inlet end that faces towards the pre-motor filter and a suction motor axis of rotation; and,
(d) a handle at the rear end of the hand vacuum cleaner and positioned rearward of the suction motor, the handle comprising an energy storage member housing, the handle having a front end provided at a rear end of the suction motor housing, a rear end and a handle axis extending between the front and rear end of the handle,, wherein the cyclone axis of rotation and the suction motor axis of rotation are parallel, and, 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 first stage cyclone, and, wherein the cyclone assembly comprises a stationary portion and a lower openable portion, the stationary portion comprises an upper surface of the first stage cyclone and the lower openable portion comprises the lower axially extending surface of the cyclone, a portion of axially extending walls of the cyclone and the lower surface of the dirt collection 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 first stage cyclone and the dirt collection chamber are opened.