An extraction cleaner is provided with a removable recovery tank having a recovery container, a drain opening quick-empty valve, and an actuator assembly for emptying the recovery container. The drain opening can be provided on a lower portion of the recovery container. The actuator assembly can selectively open the valve. At least a portion of the actuator assembly can be provided on an upper portion of the recovery container.

A surface cleaning apparatus is provided with a base assembly, an upright assembly, and a fluid recovery system. The base assembly includes a base housing, a brush chamber, at least one brushroll in the brush chamber; and a removable brush housing. A portion of the brush chamber is removable with the brush housing.

A surface cleaning apparatus such as an extractor has a fluid flow path extending from a dirty fluid inlet head to a clean air outlet. The fluid flow path upstream of the separation stage comprises a removable portion.

A recovery tank for a surface cleaning apparatus such as an extractor is provided. The apparatus comprises a base positionable on the surface to be cleaned and includes a suction nozzle having a suction inlet in fluid communication with a duct and an exhaust outlet. The recovery tank is mountable to the base and has one or more walls and a bottom surface. The recovery tank includes a tank inlet extending through the bottom surface, wherein the tank inlet is positioned adjacent the base and operatively coupled to the duct outlet when the recovery tank is mounted to the base. A tank air outlet extends through the bottom surface, wherein the tank air outlet is positioned adjacent the base and operatively coupled to the exhaust outlet when the recovery tank is mounted to the base. A tank air outlet tube extends into the recovery tank from the tank air outlet.

A wet/dry vacuum (1) having a bottom vertical discharge (13) located on a collection tank (2) and an elevated rolling stand (14) that allows the wet/dry vacuum and collection tank to be rolled over a bucket or toilet and emptied of any collected liquids. A strainer 13 and hinged attachment to the stand allows a user to easily empty hard debris from the wet/dry vacuum by simply tipping the collection tank over from its elevated position into a trash can.

A handheld extraction cleaner includes a unitary body provided with a carry handle, and further provided with a supply tank, a recovery tank, and a suction source, all of which are carried on the unitary body. The various components of the extraction cleaner can be arranged for a balanced weight in hand. The supply and recovery tanks are configured to optimize the usable volume within the tanks, among other functions. A powered cleaning head including a removable brushroll is provided on the unitary body.

A surface cleaning apparatus such as an extractor has a liquid delivery system, a separator, a collection chamber in communication a the separated element outlet of the separator, and a separated liquid collection container downstream from the collection chamber.

An autonomous floor cleaning robot includes a transport drive and control system arranged for autonomous movement of the robot over a floor for performing cleaning operations. The robot chassis carries a first cleaning zone comprising cleaning elements arranged to suction loose particulates up from the cleaning surface and a second cleaning zone comprising cleaning elements arranged to apply a cleaning fluid onto the surface and to thereafter collect the cleaning fluid up from the surface after it has been used to clean the surface. The robot chassis carries a supply of cleaning fluid and a waste container for storing waste materials collected up from the cleaning surface.

A vacuum apparatus can include a vacuum chamber assembly having a motor and blowing port, an inlet port forming a portion of the vacuum chamber assembly, a valve plate having a plurality of switchable valves, an intake chamber arranged and constructed between the vacuum chamber assembly and the valve plate, and a water collection chamber having a divided chamber residing below the valve plate, wherein the plurality of switchable valves is configured to switch from a first portion of the divided chamber to at least a second portion of the divided chamber. In some embodiments, the vacuum apparatus further includes a flapper valve at a bottom portion of the water collection chamber where the flapper valve retains and releases water intermittently, periodically or continuously between the first portion of the divided chamber and at least the second portion of the divided chamber.

An upright extractor has an upright section moveably mounted to a surface cleaning head. The upright section has a wand and hose assembly and a liquid separator. The liquid separator comprises a solid collection chamber that is separated from a liquid collection chamber by a porous divider. The upright extractor is operable in a floor cleaning mode in which the handle is a driving handle of the upright extractor. The upright extractor is also operable in an above floor cleaning mode in which the inlet end of the wand is disconnected from fluid flow communication with the surface cleaning head dirty fluid inlet and an above floor air flow path extends from the inlet end of the wand to the clean air outlet and the liquid separator and the suction motor are provided in the above floor cleaning air flow path.