Abstract: A cyclone comprises a cyclone chamber having an air inlet, an air outlet, a first end wall, a second end wall and a sidewall, the air inlet has an inlet end having a shape and a cross sectional area in a plane transverse to a direction of airflow through the air inlet, and the air inlet is provided at a first juncture of the sidewall and the first end wall, the first end wall has a vortex finder having a wall that meets the first end wall at a second juncture, wherein the inlet is spaced from the vortex finder

Abstract: A surface cleaning apparatus comprises a first flexible electrified air flow conduit having an air inlet end that is electrified.

Abstract: A surface cleaning apparatus includes a surface cleaning head having a dirty air inlet and an upper section mount and an upper portion moveably mounted to the upper section. The upper portion includes a wand. A portable surface cleaning unit is removably mounted to the upper portion. An air flow path extends from the dirty air inlet to a clean air outlet and includes an upstream portion comprising the wand and a flexible air flow conduit downstream of the wand. Each of the wand and the portable cleaning unit can be separately removable from the upper section mount.

Abstract: A surface cleaning apparatus is provided wherein at least one of an upstream air plenum that is positioned upstream of the pre-motor filter, and a downstream air plenum that is positioned downstream of the pre-motor filter comprises an end wall spaced from the pre-motor filter and comprises a first portion having an air flow port and a second portion proximate the outer perimeter of the pre-motor filter, wherein the first portion and the second portion meet at a first juncture that extends at an angle to the first portion and the second portion.

Abstract: A cyclone comprises a cyclone chamber having an air inlet, an air outlet, a first end wall, a second end wall and a sidewall, the air inlet has an inlet end having a shape and a cross sectional area in a plane transverse to a direction of airflow through the air inlet, and the air inlet is provided at a first juncture of the sidewall and the first end wall, wherein the first juncture downstream of the inlet is configured to at least approximate a portion of the shape of the air inlet that is adjacent the first juncture.

Abstract: An surface cleaning apparatus comprises at least one of a surface cleaning unit lock and a cyclone bin assembly lock. A lockout member disables the at least one of the surface cleaning unit lock and the cyclone bin assembly lock when a handle is used to carry the surface cleaning apparatus.

Abstract: A cyclone comprises a cyclone chamber having an air inlet, a vortex finder, a first end wall, a second end wall and a sidewall, the air inlet has an inlet end having a shape and a cross sectional area in a plane transverse to a direction of airflow through the air inlet, and the air inlet is provided at a first juncture of the sidewall and the first end wall, the vortex finder has a wall that meets one of the first and second end walls at a second juncture, wherein the second juncture extends at an angle to both the wall of the vortex finder and the end wall on which the vortex finder is provided.

Abstract: A cyclone comprises a cyclone chamber having a first end having a first end wall, a second end having a second end wall, a sidewall, an air inlet at the first end, an air outlet and a first central insert member extending away from a center of the second end wall into the cyclone chamber wherein the first central insert member comprises a central member wall extending away from the second end wall and the central member wall and the second end wall meet at a first juncture that extends at an angle to both the central member wall and the second end wall

Abstract: A surface cleaning apparatus comprises a uniflow cyclone chamber comprising an air inlet in a first end, a dirt outlet in a second end and an air outlet that is configured so that air exits the cyclone chamber through the second end.

Abstract: A surface cleaning apparatus comprises an air flow passage extending from a dirty air inlet to a clean air outlet. A suction motor is positioned in the air flow path. At least one cyclone chamber is positioned in the air flow passage. An associated dirt collection chamber is exterior to the cyclone chamber. The cyclone chamber and the suction motor are positioned side by side and have generally parallel longitudinal axes. The dirt collection chamber may surround part of the suction motor. Alternately, or in addition, a pre-motor filter having an enhanced surface area may be provided by configuring the pre-motor filter to extend outwardly of the pre-motor filter, such as by overlie part of the cyclone chamber or the dirt collection chamber.

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet and including an air treatment member and a suction motor. The surface cleaning apparatus comprises a main body comprising a front end and a rear end, and a plurality of wheels. A compartment may be positioned inwards of one of the wheels. The compartment may be accessible when the one of the wheels is moved to an open position.

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet and a suction motor. The surface cleaning apparatus may comprise a cyclone chamber in the air flow path. The cyclone chamber may be comprise a cyclone chamber first end and a cyclone chamber second opposed end, a cyclone air inlet, a cyclone air outlet and a cyclone chamber wall. The surface cleaning apparatus may comprise a dirt collection chamber having a dirt collection chamber first end, a dirt collection chamber second opposed end and an outer longitudinally extending sidewall. The outer longitudinally extending sidewall may have at least one recess provided therein.

Abstract: A cleaning head for a surface cleaning apparatus has a plurality of struts extending from a front chamber having a dirty air inlet to a rear chamber having a transition duct that is in communication with a filtration apparatus of a surface cleaning apparatus by a dirty fluid outlet. One or more of the struts comprises an airflow passage. In one embodiment, no outer casing is provided surrounding the struts.

Abstract: A cyclone for a surface cleaning apparatus has spaced apart and opposed first and second cyclone chamber end walls and a cyclone chamber sidewall extending therebetween. At least one of the first cyclone chamber end wall and the second cyclone chamber end wall is openable so as to provide access to the cyclone chamber. An opening extends along only a portion of the perimeter of the cyclone chamber sidewall and is positioned adjacent the second cyclone chamber end wall, the opening defining the dirt outlet whereby dirt exiting the cyclone chamber via the dirt outlet travels in a generally outwardly direction to an exterior dirt collection chamber.

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet. The surface cleaning apparatus also comprises a main body comprising a front end, a rear end, first and second opposed sidewalls. A cavity having an open upper end may be positioned between the first and second opposed side walls. A suction motor may be provided in the air flow path. A cyclone bin assembly may be provided in the air flow path. The cyclone bin assembly may have opposed end walls and may be removably mounted in the cavity. The cyclone bin assembly may include a locking member lockingly secures the cyclone bin assembly to the surface cleaning apparatus. The locking member may engage at least one of the side walls.

Abstract: A cyclone bin assembly comprises a cyclone chamber having an air inlet, an air outlet, a dirt outlet and first and second opposed ends. The cyclone bin assembly may comprise a dirt collection chamber in communication with the dirt outlet. The dirt bin may surround at least a portion of the cyclone chamber and comprising first and second portions. The first and second portions may comprise discrete chambers that are separated from each other by a passage extending between the dirt outlet and a wall of the dirt collection chamber. The dirt outlet may have an angular extent around the cyclone chamber and a larger portion of the angular extent of the slot may face the first portion.

Abstract: A canister style surface cleaning apparatus comprises a wheeled based having a front end and a cleaning mount, the cleaning mount adapted to receive a surface cleaning attachment that comprises a first flexible hose; a portable cleaning unit removably mounted on the wheeled base and comprising a suction motor and at least one cyclonic separation stage having an associated material collection chamber which is sealed when the portable cleaning unit is removed from the wheeled base; and, a fluid flow path extending from the cleaning mount to a clean air exit of the surface cleaning apparatus.

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet, an air treatment member and a suction motor. The surface cleaning apparatus comprises a main body comprising a front end and a rear end. A plurality of wheels may be rotatably mounted on to the surface cleaning apparatus. The surface cleaning apparatus may comprise a filter in a filter compartment wherein an axle or an axle mount for at least one of the wheels defines an axis of rotation that projects through the filter compartment.

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet. The surface cleaning apparatus comprises a main body comprising a front end, a rear end, first and second opposed sidewalls, and a suction motor provided in the air flow path. At least one of the first and second opposed sidewalls may have a compartment that houses an operating component of the surface cleaning apparatus or a portion of the air flow path. A cyclone bin assembly may be provided in the air flow path. The cyclone bin assembly may have opposed end walls.

Abstract: An upright surface cleaning apparatus has an upper section that is moveably mounted to the surface cleaning head between an in use position and a storage position. The upper section is rotationally mounted to the surface cleaning head. The upright surface cleaning apparatus has an alignment mechanism comprising a first cooperating alignment member associated with the surface cleaning head and a second cooperating alignment member associated with the upper section, the first and second members guiding the upper section to a particular orientation or range of orientations when the upper section is moved into the storage position.