Abstract: A surface cleaning apparatus is disclosed. In some embodiments, the surface cleaning apparatus comprises a member having a dirty fluid inlet. A fluid flow path extends from the dirty fluid inlet to a clean air outlet of the surface cleaning apparatus and includes a suction motor. At least one cyclone is positioned in the fluid flow path and has at least one material outlet and a divider plate associated with the material outlet. A material collection chamber is in flow communication with the at least one cyclone. The apparatus further comprises a liner bag retaining member.

Abstract: The surface cleaning apparatus includes a cyclone positioned in am air flow passage. The cyclone has a cyclone air inlet and a cyclone air outlet, a dirt outlet spaced from the cyclone air inlet, a cyclone chamber wall and a longitudinal axis. The surface cleaning apparatus also includes a dirt collection chamber in communication with the dirt outlet. The dirt collection chamber has an openable wall mounted to the surface cleaning apparatus by a hinge and a centrally positioned longitudinal axis, the openable wall has a centre and a hinge side. The surface cleaning apparatus also includes a plate positioned at an interface of the dirt collection chamber and the cyclone. The plate is moveably mounted to the openable wall. The surface cleaning apparatus also includes a biasing member biasing the plate towards the hinge side of the openable wall a suction motor positioned in the air flow passage.

Abstract: A portable surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet and a flexible suction hose. The surface cleaning apparatus main comprise a main body comprising a suction motor provided in the air flow path. A cyclone bin assembly may be provided on the main body. The surface cleaning apparatus may comprise a flexible suction hose. The surface cleaning apparatus may comprise a suction hose wrap. The suction hose wrap may comprise a stand for the surface cleaning apparatus.

Abstract: Several embodiments of an upright surface cleaning apparatus are disclosed. The surface cleaning apparatus has a first cyclonic cleaning stage and comprises a surface cleaning head having a dirty fluid inlet. A fluid flow path extends from the dirty fluid inlet to a clean air outlet of the upright surface cleaning apparatus. A support member is mounted to the surface cleaning head. A portable cleaning unit is removably mounted to the surface cleaning apparatus.

Abstract: An upright surface cleaning apparatus is operable in a floor cleaning mode and an above floor cleaning mode. The surface cleaning apparatus includes a first upstream air flow path extending from the dirty air inlet of the floor cleaning head to a downstream air flow path, and an above floor cleaning member removably mounted to the surface cleaning apparatus. The above floor cleaning member includes an alternate dirty air inlet. The surface cleaning apparatus also includes a second upstream air flow path extending from the dirty air inlet of the above floor cleaning member to the downstream air flow path. The surface cleaning apparatus also includes a valve selectively connecting the first upstream air flow path in flow communication with the downstream air flow path when the dirty air inlet of the above floor cleaning member is placed in a storage position on the upright surface cleaning apparatus.

Abstract: A surface cleaning apparatus comprises a filtration apparatus comprising a cyclone downstream from the dirty air inlet and an openable filtration chamber comprising a screen downstream from the cyclone and upstream from the suction motor. The filtration chamber is accordingly a separate volume to that of the cyclone chamber and accordingly may be accessed to clean the screen independently of opening the cyclone chamber.

Abstract: Several alternate improvements of a vacuum cleaner are provided. In one aspect, the vacuum cleaner utilizes interchangeable components. In another aspect, the vacuum cleaner comprises a chamber having a top, and a first cleaning stage and suction motor are provided on the top. In another aspect, the vacuum cleaner utilizes a reconfigurable divider plate.

Abstract: A domestic apparatus, such as a cooking appliance, uses hydrogen and, optionally electrical heating, to cook food. The cooking appliance may have a cooking surface (e.g. a grilling surface) so as to result in an indoor barbeque, which may be used with no venting or reduced venting requirements.

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet and includes a suction motor. The surface cleaning apparatus may be battery powered and/or may have a power requirement of 200 Watts or less. A cyclone chamber is provided in the air flow path and has an air outlet which is covered by a screen. In one embodiment, there is an absence of a vortex finder. In another embodiment, a vortex finder that extends into the cyclone chamber less than the height of the cyclone inlet and optionally less than the height of the cyclone inlet may be provided.

Abstract: A battery operated vacuum cleaner is provided with one or more principal batteries and one or more supplemental batteries. The batteries and a controller are configured such that as the power provided by the principal batteries drops, one or more of the supplemental batteries is operative connected to provide power to the appliance. A method for providing a substantially constant level of power to an appliance, such as a vacuum cleaner, using a plurality of power sources comprises providing power from a principal power source connected to the appliance; monitoring an operating voltage supplied to the appliance to detect if the operating voltage is below a predetermined threshold voltage level; and upon detecting that the operating voltage is below the predetermined threshold voltage level, providing power from k of n supplemental power sources connected to the appliance, where k and n are positive integers, and k is less than or equal to n.

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 filter compartment may be provided in the main body and may comprise an open portion. A pair of spaced apart wheels may have an axis of rotation and the axis of rotation may extend through the filter compartment. A seal plate may be used to sealingly close the open portion. The seal plate may be positioned between one of the wheels and the filter compartment.

Abstract: Various uses and constructions for an open sided nozzle for a surface cleaning apparatus are provided. Alternate constructions for a surface cleaning head are also provided.

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet and a flexible suction hose. The surface cleaning apparatus may comprise a main body comprising a suction motor provided in the air flow path. A cyclone bin assembly may be provided on the main body. The surface cleaning apparatus may comprise a suction hose wrap. The suction hose wrap having an accessory tool holder.

Abstract: The surface cleaning apparatus includes a cyclone positioned in am air flow passage. The cyclone has a cyclone air inlet and a cyclone air outlet, a dirt outlet spaced from the cyclone air inlet, a cyclone chamber wall and a longitudinal axis. The surface cleaning apparatus also includes a dirt collection chamber in communication with the dirt outlet. The dirt collection chamber has an openable wall mounted to the surface cleaning apparatus by a hinge and a centrally positioned longitudinal axis, the openable wall has a center and a hinge side. The surface cleaning apparatus also includes a plate positioned at an interface of the dirt collection chamber and the cyclone. The plate is moveably mounted to the openable wall. The surface cleaning apparatus also includes a biasing member biasing the plate towards the hinge side of the openable wall a suction motor positioned in the air flow passage.

Abstract: A cyclone separator useable in a surface cleaning apparatus comprises a cyclone casing defining a cyclone chamber and a dirt collection chamber exterior to the cyclone chamber. The cyclone chamber and the dirt collection chamber are openable such that the entire cross sectional area of the cyclone chamber and the dirt collection chamber may be exposed.

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 hand vacuum cleaner comprises at least one cyclone and at least one dirt collection chamber. The dirt collection chamber has an openable door positioned at the front end of the vacuum cleaner.

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 may also comprise a main body comprising a suction motor provided in the air flow path and a platform. A cyclone bin assembly may be provided in the air flow path and removably mounted on the platform. The cyclone bin assembly may comprise a cyclone chamber. An alignment member may be provided on the platform and may be located at the air exit path of the cyclone bin.

Abstract: A surface cleaning apparatus comprises a filtration apparatus comprising at least one cyclone and at least one filter mounted in a filter housing. The filter housing has a lower portion, such as a bottom door, that is openable and the filter is visible, and a dirt collection area upstream of the filter is emptyable, when the lower portion is opened.

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 is positioned in the air flow passage. An associated dirt collection chamber is exterior to the cyclone. The cyclone 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 or the dirt collection chamber.