Handheld surface cleaning apparatus
AssigneeOmachron Intellectual Property Inc.
InventorWayne Ernest Conrad
Life of this patent
Estimating the term…
Abstract
A hand vacuum cleaner has an air flow path extending from a dirty air inlet to a clean air outlet with a suction motor positioned in the air flow path. A cyclone chamber positioned in the air flow path has a cyclone axis of rotation that extends in the forward/rearward direction. A pre-motor filter overlies the cyclone chamber.
Claims20
A hand vacuum cleaner having a front end, a rear end, an upper end and a lower end having a pistol grip handle, the hand vacuum cleaner comprising:
- (a) an air flow path extending from a dirty air inlet to a clean air outlet, the dirty air inlet provided at the front end and at the upper end, the clean air outlet provided at the rear end and the lower end;
- (b) a cyclone assembly comprising a cyclone chamber positioned in the air flow path, the cyclone assembly having a cyclone assembly air inlet and a cyclone assembly air outlet, the cyclone chamber having a cyclone axis of rotation, wherein the cyclone axis of rotation extends generally in a forward/rearward direction;
- (c) a pre-motor filter positioned downstream of the cyclone assembly and overlying the cyclone chamber when the hand vacuum cleaner is oriented with the upper end above the lower end;
- and,
- (d) a suction motor positioned in the air flow path downstream of the pre-motor filter and upstream of the clean air outlet.
A hand vacuum cleaner having a front end, a rear end, an upper end and a lower end, the hand vacuum cleaner comprising:
- (a) an air flow path extending from a dirty air inlet to a clean air outlet, the dirty air inlet provided at the upper end;
- (b) a dirty air inlet passage which extends rearwardly from the dirty air inlet;
- (c) a cyclone assembly comprising a cyclone chamber positioned in the air flow path, the cyclone assembly having a cyclone assembly air inlet and a cyclone assembly air outlet, the cyclone chamber having a cyclone axis of rotation, wherein the cyclone axis of rotation extends generally in a forward/rearward direction and the dirty air inlet passage is positioned above the cyclone chamber;
- (d) a pre-motor filter positioned downstream of the cyclone assembly and overlying the cyclone chamber when the hand vacuum cleaner is oriented with the upper end above the lower end;
- and,
- (e) a suction motor positioned in the air flow path downstream of the pre-motor filter and upstream of the clean air outlet.
A hand vacuum cleaner having a front end, a rear end, an upper end and a lower end having a pistol grip handle, the hand vacuum cleaner comprising:
- (a) an air flow path extending from a dirty air inlet to a clean air outlet, the dirty air inlet provided at the front end and at the upper end, the clean air outlet provided at the rear end and the lower end;
- (b) a cyclone assembly comprising a cyclone chamber positioned in the air flow path, the cyclone assembly having a cyclone assembly air inlet and a cyclone assembly air outlet, the cyclone chamber having a cyclone axis of rotation, wherein the cyclone axis of rotation extends generally in a forward/rearward direction;
- (c) a pre-motor filter positioned downstream of the cyclone assembly;
- (d) a suction motor positioned in the air flow path downstream of the pre-motor filter and upstream of the clean air outlet;
- and,
- (e) a handle
- wherein the clean air outlet comprises a removable tray provided at a lower end of the hand vacuum cleaner and the removable tray holds a post-motor filter.
Dependencies are inferred from the claim text.