Disclosed are devices, systems and methods for air purification in an airflow tract of vacuum cleaners. In some aspects, an air purification system for a vacuum cleaner comprises an ultraviolet (UV) light unit disposed in a first location within the vacuum cleaner along an airflow pathway, configured to emit UV light at air containing particles including dust, dirt, and microbes while the air containing the particles is flowing in the airflow pathway where the UV light unit is disposed; and a particle filter unit disposed in a second location within the vacuum cleaner along the airflow pathway, the particle filter unit comprising one or both of a high-efficiency particulate air (HEPA) filter and an active carbon filter.

The present disclosure relates to a cleaner system including: a cleaner; a cleaner station; and an imaginary plane including an imaginary suction flow path through line penetrating a suction flow path in a longitudinal direction and an imaginary suction motor axis defined by extending a rotation axis of a suction motor, in which when the cleaner is coupled to the cleaner station, the plane penetrates at least a part of the cleaner station, such that a center of gravity of the cleaner is disposed to pass through a space for maintaining balance of the station, and as a result, it is possible to stably support the cleaner and the station while preventing the cleaner and the station from falling down.

The cleaner includes a suction inlet configured to guide air and dusts, a main body including a first cyclone unit configured to separate the air and the dusts, which are suctioned through the suction inlet, from each other, and a dust separation module separably connected to the main body and including a second cyclone unit configured to separate the dusts from the air discharged from the first cyclone unit.

The cleaner includes a suction inlet configured to guide air and dusts, a main body including a first cyclone unit configured to separate the air and the dusts, which are suctioned through the suction inlet, from each other, and a dust separation module separably connected to the main body and including a second cyclone unit configured to separate the dusts from the air discharged from the first cyclone unit.

A cleaner includes: a motor housing in which a motor is provided to generate a suction force for drawing in air; a handle part coupled to the motor housing; a dust bin separably coupled to a lower portion of the motor housing and configured to store therein sucked dust; a cyclone part positioned in the dust bin and configured to separate dust from the air drawn in through a suction part; and a compression part configured to compress the dust in the dust bin, in which the dust bin is separated downward from the motor housing, and a user may easily wash the dust bin.

A cleaner includes: a motor housing in which a motor is provided to generate a suction force for drawing in air; a handle part coupled to the motor housing; a dust bin separably coupled to a lower portion of the motor housing and configured to store therein sucked dust; a cyclone part positioned in the dust bin and configured to separate dust from the air drawn in through a suction part; and a compression part configured to compress the dust in the dust bin, in which the dust bin is separated downward from the motor housing, and a user may easily wash the dust bin.

A motor packing and mounting mechanism for a motor in a no larger than medium-sized appliance, such as wet and dry vacuum cleaner, a water aspirator, a water pump, or a humidifier, includes a motor seat supporting a motor in a housing so that the motor is axially disposed between the housing and the motor seat. At least one isolating cover is located inside the housing. A motor chamber for receiving the motor is defined among the housing, the motor seat, and the isolating cover. An axial mating clearance is defined between the isolating cover and the motor seat. A first seal is located and axially-mated in the axial mating clearance, the first seal having an elastic supporting portion. A cross section of the elastic supporting portion has a door-shaped structure, with the elastic supporting portion defining an opening facing an axial direction of the motor.

A handy-stick type vacuum cleaner is disclosed. The disclosed vacuum cleaner comprises: a first part for collecting dust included in air suctioned to the inside through a suction hole; and a second part including a suction motor and a handle, wherein the first and second parts are hinge-connected so as to communicate with each other.

A robotic cleaner may include a suction motor, a dust cup, and a suction motor air duct fluidly coupled to the suction motor and the dust cup. The suction motor air duct may include a debris barrier having a restricting region and a guard region.

A surface cleaning apparatus has a cyclone chamber and a dirt collection chamber exterior to the cyclone chamber. The cyclone chamber has a sidewall extending from a first end to an axially opposed second end. A dirt outlet communicating with the dirt collection chamber is provided in the sidewall at a location intermediate the first and second ends of the cyclone chamber.