Abstract: A cyclone comprises a cyclone chamber having a first end, a second end and a sidewall extending between the first and second ends. The air inlet and the air outlet are provided at the first end. The first end has a first end wall that extends between the air inlet and the air outlet. The first end wall is concave when view from within the cyclone chamber.

Abstract: A surface cleaning apparatus having an upright section moveable relative to a surface cleaning head between a storage position and a rearwardly reclined floor cleaning position. The upright section comprising a removable hand vacuum cleaner. The hand vacuum cleaner is operable in a first mode of operation in which the surface cleaning apparatus is operated to clean a floor, the inlet of the hand vacuum cleaner is in flow communication with the surface cleaning head air outlet and the air treatment member of the hand vacuum cleaner is operable to treat air drawn in through the dirty air inlet of the surface cleaning head. The hand vacuum cleaner is also operable in a second mode of operation in which the hand vacuum cleaner is operable to directly clean a floor or the air inlet of the hand vacuum cleaner is directly connected to the downstream end of an accessory tool.

Abstract: A surface cleaning apparatus has a rotatably mounted brush. The brush has first and second microfiber pads separated by bristles.

Abstract: A surface cleaning apparatus comprising a surface cleaning head, the surface cleaning head comprising a first liquid separation stage comprising a cyclone having a cyclone axis of rotation, a cyclone first end, an axially spaced apart second end, a cyclone air inlet, a cyclone air outlet and an axially extending sidewall wherein a portion of the sidewall comprises a screen and, when the surface cleaning apparatus is in use to clean a floor, the cyclone axis of rotation extends generally horizontally and, a first liquid collection region that is positioned at a lower elevation than the screen.

Abstract: An environmental control system comprises a fluid flow path which has a pump and circulates liquid to a first heat exchanger in a first room and to a second heat exchanger in a second room. The fluid flow path comprises a pump. A user inputs a target temperature for the first room via a first user interface that is located in the first room, which is communicated to the control unit and a sensor located in the room communicates the temperature in the first room to the control unit. A user inputs a target temperature for the second room via a second user interface that is located in the second room, which is communicated to the control unit and a sensor located in the room communicates the temperature in the second room to the control unit. The control is physically isolated from the user interfaces and temperatures sensors.

Abstract: A hand vacuum cleaner has a dirt separator comprising a first air treatment stage and a second air treatment stage, the first air treatment stage comprising a first air treatment chamber and the second air treatment stage comprises a second stage air treatment chamber. An openable door opens the first air treatment chamber when the door is in an open position. The front door has a diameter and the rear end of the first air treatment chamber stage has a diameter that is generally equal to the diameter of the front door. The sidewall of the first air treatment stage is moveable with respect to the suction motor and, when the sidewall is moved with respect to the suction motor, the front openable door and the dirty air inlet also move with the sidewall.

Abstract: A hand vacuum cleaner has a housing comprising a first portion that houses a suction motor. A cyclone unit is positioned in an air flow passage upstream from the suction motor. The cyclone unit comprises a cyclone and a dirt collection region that is positioned forward of the cyclone. The cyclone unit front end has an openable door. The cyclone air outlet comprises an assembly which includes a screen. The assembly is moveable relative to the cyclone unit sidewall in a common direction with the cyclone axis of rotation whereby the assembly and the sidewall are separable from each other in a forward direction.

Abstract: A fan assembly comprising a plurality of nested components comprising a first stator; a first rotor that is radially spaced from the first stator, wherein the first rotor is magnetically driven by the first stator, the first rotor includes a second stator whereby the second stator rotates with the first rotor; a second rotor that is radially spaced from the second stator, wherein the second rotor is magnetically driven by the second stator; and, a fan blade drivenly connected to the second rotor.

Abstract: A cooking appliance including a combustion zone and a cooking zone. The combustion zone has a combustion zone air flow path extending from a combustion zone air inlet to a combustion zone air outlet. The cooking zone overlies the combustion zone, and the cooking zone includes a closed cooking volume having a cooking surface and an openable lid. Combustion products produced in the combustion zone are isolated from the closed cooking volume.

Abstract: A dirt collection region of the vacuum cleaner is removably positionable in air flow communication with an inlet port of an apparatus in which the openable door of the dirt collection region of the vacuum cleaner is positioned interior the apparatus. The apparatus has an air treatment member. When the apparatus is standing on the floor, the apparatus has an upper end which has the inlet port. When the dirt collection region of the vacuum cleaner positioned in flow communication with the inlet port of the apparatus and when the system is in the emptying mode of operation, a motor and fan assembly of the vacuum cleaner moves air from the dirt collection region of the vacuum cleaner as dirt, which has been accumulated in the dirt collection region of the vacuum cleaner, travels to the air treatment member of the apparatus.

Abstract: A hand vacuum cleaner comprises a cyclone, a conical pre-motor filter that is positioned rearward of the cyclone and a suction motor. The pre-motor filter has a front end that faces that faces towards the cyclone air outlet. The conical pre-motor filter has an open interior volume, an outer surface, which is an upstream surface of the pre-motor filter, and an inner surface, which is a downstream surface of the pre-motor filter.

Abstract: A series of vacuum cleaner is produced using common components and one or more interchangeable components, including a cyclone casing and/or a motor casing.

Abstract: A surface cleaning head has a rotatably mounted brush, which is provided at a front end of the surface cleaning head, a cleaning solution delivery system and a removable liquid collection reservoir, which is provided in the surface cleaning head rearward of the brush. The cleaning solution delivery system comprises a pump, a liquid reservoir and a fluid flow path extending from the liquid reservoir to at least one delivery nozzle, wherein the at least one delivery nozzle is provided in the surface cleaning head and is configured to deliver a liquid drawn from the liquid reservoir to a portion of the brush that is located internal of the surface cleaning head.

Abstract: A surface cleaning apparatus comprises a cyclone chamber having a cyclone bin assembly comprising a cyclone chamber positioned in the air flow path, the cyclone chamber has a cyclone air inlet, a cyclone air outlet, a cyclone chamber front end, a cyclone chamber rear end, a cyclone chamber sidewall extending between the front and rear ends of the cyclone chamber and a cyclone axis of rotation that extends in a forward/rearwards direction. The front end of the cyclone chamber has a front height in a direction transverse to the cyclone axis of rotation that is less than a rear height of the cyclone chamber in the direction transverse to the cyclone axis of rotation.

Abstract: A hand vacuum cleaner has a cyclone assembly comprising a cyclone and a dirt collection chamber. The cyclone assembly has a cyclone assembly axis extending centrally between a front end of the cyclone assembly and a rear end of the cyclone assembly. The cyclone has a horizontally extending cyclone axis and the dirt collection chamber has a lower end which is at a lower elevation than a lower end of the cyclone chamber. A line that extends in a common direction with the cyclone assembly axis intersects the dirt collection chamber at an elevation below the cyclone chamber, a pre-motor filter and a handle of the hand vacuum cleaner.

Abstract: A surface cleaning apparatus has a cyclone chamber having a longitudinal cyclone axis of rotation wherein the dirt outlet is defined by a gap between the sidewall of the cyclone and a plate positioned at the dirt outlet end of the cyclone.

Abstract: A system comprising a vacuum cleaner and an apparatus for receiving dirt from a dirt collection region of the vacuum cleaner. The apparatus has an air flow passage from an inlet port to a clean air outlet, wherein the dirt collection region of the vacuum cleaner is positionable in air flow communication with the inlet port. The apparatus also has an air treatment member positioned in the air flow passage downstream from the inlet port wherein the air treatment member comprises an apparatus dirt collection region. When the apparatus is standing on the floor, the apparatus has an upper end which has the inlet port, and the dirt collection region of the vacuum cleaner is moved in a downward direction to an emptying position in which the dirt collection region of the vacuum cleaner is in air flow communication with the inlet port.

Abstract: A garbage can has an inlet port that is closable about a dirt collection region of a vacuum cleaner such that the inlet port is substantially sealed around the dirt collection region. The garbage can also has a suction motor to draw dirt out of the dirt collection region.

Abstract: An attachment for a hair dryer has a cylindrical body having an inlet end, an opposed closed end, a body axis extending centrally through the cylindrical body between the inlet end and the opposed close end and an axially extending cylindrical sidewall. An air flow path extends from an inlet port provided at the inlet end to a plurality of air outlets provided at the axially extending cylindrical sidewall. The air outlets are angularly spaced around the attachment. A diverting member is rotatably mounted with respect to the cylindrical body about a diverting member axis that is coaxial with the body axis. In operation, rotation of the diverting member alters a direction of air exiting the air outlets.

Abstract: A hand vacuum cleaner has an airflow path from an air inlet to a clean air outlet with an air treatment member and a fan and motor assembly in the air flow path. The hand vacuum cleaner has a cyclone chamber with a plate positioned at the front end of the cyclone chamber. A dirt collection chamber is external to and connected in flow communication with a cyclone chamber by a gap located between the plate and the sidewall of the cyclone chamber. The gap is located only at an upper portion of the plate and/or is larger at the upper portion of the plate.