The present invention relates to a vacuum cleaner. The vacuum cleaner of the present invention comprises: a cleaner body having a suction motor for generating suctioning force, and running in operating mode and charging mode; a suctioning part communicating with the cleaner body, for suctioning air and dust; a battery assembly capable of supplying power to the suction motor and having a plurality of battery packs; a controller for controlling the operation of the suction motor; a current regulating unit for regulating the current applied to the suction motor in a state in which the plurality of battery packs are serially connected; a first switching mechanism for serially connecting the plurality of battery packs; and a second switching mechanism for parallelly connecting the plurality of battery packs.

The present invention relates to a vacuum cleaner. The vacuum cleaner of the present invention comprises: a cleaner body having a suction motor for generating suctioning force, and running in operating mode and charging mode; a suctioning part communicating with the cleaner body, for suctioning air and dust; a battery assembly capable of supplying power to the suction motor and having a plurality of battery packs; a controller for controlling the operation of the suction motor; a current regulating unit for regulating the current applied to the suction motor in a state in which the plurality of battery packs are serially connected; a first switching mechanism for serially connecting the plurality of battery packs; and a second switching mechanism for parallelly connecting the plurality of battery packs.

A system is comprised of a floor processing device, an object located in the environment of the floor processing device, which has a partial object area and a displacement device for automatically displacing the partial object area, a detection device, which is suitable for detecting a presence of the floor processing device in a detection area of the detection device, and a control device for generating a control command for the displacement device as a function of the detection result of the detection device. In order to prevent a collision with the floor processing device given automatic displacement devices of objects, the control command is suitable for deactivating the displacement device, thereby preventing a displacement of the partial object area even if the floor processing device is present in the detection area.

A dirt separation device for a surface cleaning apparatus including: a separator for separating dirt from dirt-laden air; an inlet through which dirt-laden air is drawn into the separator; an outlet through which cleaner air exits the separator; a dirt collection chamber for receiving separated dirt; a cover member movable between a first position in which the cover member inhibits access to the dirt collection chamber and a second position in which the cover member permits access to the dirt collection chamber; an actuator device coupled to the cover member for effecting movement of the cover member from the first position to the second position, wherein the actuator device is rotationally movable, or an engagement part operably connected to the actuator device is rotationally movable, to effect movement of the closing member from the first position to the second position.

The vacuum suctioning unit of the present invention includes: a cover provided with an air entrance; an impeller for circulating air that enters the air entrance; a motor provided with a shaft connected to the impeller; a guide device for guiding the flow of air that exits an exit of the impeller; and a motor housing that houses the motor and is provided with an air exit. The guide device includes: a guide body disposed below the impeller; a first guide vane formed on a side surface of the guide body and guiding air discharged from the impeller; and a second guide vane formed on the bottom surface of the guide body and connected to the first guide vane to guide air that is moved by the first guide vane. The entrance angle of the first guide vane is within the range of 10 to 27 degrees.

The vacuum suctioning unit of the present invention includes: a cover provided with an air entrance; an impeller for circulating air that enters the air entrance; a motor provided with a shaft connected to the impeller; a guide device for guiding the flow of air that exits an exit of the impeller; and a motor housing that houses the motor and is provided with an air exit. The guide device includes: a guide body disposed below the impeller; a first guide vane formed on a side surface of the guide body and guiding air discharged from the impeller; and a second guide vane formed on the bottom surface of the guide body and connected to the first guide vane to guide air that is moved by the first guide vane. The entrance angle of the first guide vane is within the range of 10 to 27 degrees.

A surface cleaning apparatus including: a housing supporting: a suction source; a cyclonic separator device for separating dirt from dirt-laden air, wherein the cyclonic separator device has an elongate axis (A) which lies in a plane (Q1); a user graspable handle having an elongate axis (C), a passage member for transporting dirt-laden air to the dirt separation device, the passage member having an elongate axis (B), wherein the elongate axis (B) of the passage member and the elongate axis (C) of the user graspable handle lie in a plane (P1), and the elongate axis (A) of the body intersects the plane (P1), and wherein the cyclonic separator device includes: a first separating chamber fluidly connected to the passage member for separating relatively coarse dust or debris from any dirt-laden air received from the passage member; an inlet through which dirt-laden air is drawn into the first dirt separating chamber; a first dirt collection chamber for receiving dirt separated by the first separating chamber; a shroud; an outlet through which cleaner air exits the first separating chamber; a baffle positioned in the first dirt collection chamber which lies in a plane (R1), and wherein, in side view, the plane (Q1) is perpendicular to the vertical and the baffle is positioned above the plane (Q1) such that, in normal use, dirt collected in the first dirt collection chamber reaches the plane (Q1) before the dirt reaches the baffle.

A cyclonic separator device for removing dust or debris from dirt-laden air, the device including: a first separating chamber for separating relatively coarse dust or debris from the dirt-laden air; an inlet through which dirt-laden air is drawn into the first separating chamber; a first dirt collection chamber in communication with the first separating chamber; a shroud; a second separating chamber positioned generally within the shroud for separating relatively fine dust or debris from the dirt-laden air cleaned by the first separating chamber, a second dirt collection chamber in communication with the second separating chamber; an outlet through which cleaner air exits the second separating chamber; wherein the first separating chamber includes a generally cylindrical portion with a central axis and wherein the inlet is configured to direct the incoming dirt-laden air into said generally cylindrical portion such that it travels circumferentially around an inner surface of the first separating chamber, wherein the shroud is positioned generally centrally of the generally cylindrical portion of the first separating chamber and the shroud has a generally cylindrical portion with openings therein for the passage of air therethrough towards the second separating chamber, wherein the second dirt separating chamber includes: an inlet through which cleaned dirt-laden air exiting the first separating chamber is drawn into the second separating chamber; a generally frusto-conical portion with a central axis and the frusto-conical portion has an end-part in communication with the second dirt collection chamber through which fine dust or debris exits therethrough into the second dirt collection chamber, and wherein the inlet of the second separating chamber is configured to direct the incoming said cleaned dirt-laden air such that it travels circumferentially around an inner surface of the generally frusto-conical portion, and wherein the second dirt collection chamber includes: a first portion which surrounds an outer surface of the end part of the frusto-conical portion to define a space S1 therebetween; and a second portion connected to the first portion, wherein the first portion has a greater cross-sectional area than the second portion.

A surface cleaning apparatus for cleaning a surface including: a housing supporting: a suction source; a dirt separation device for separating dirt from dirt-laden air; a dirt separation device including a dirt collection chamber for receiving dirt from the dirt separation device, wherein the dirt collection chamber has an elongate axis (A); a user graspable handle having an elongate axis (C), a passage member for transporting dirt-laden air to the dirt separation device, the passage member having an elongate axis (B); a coupling device moveable between a first position in which detachment of the body from the housing is inhibited and a second position in which detachment of the body is permitted; an actuator member for effecting movement of the coupling device between its first and second positions, wherein the elongate axis (B) of the passage member and the elongate axis (C) of the user graspable handle lie in a plane (P1), and the elongate axis (A) of the dirt collection chamber intersects the plane (P1).

A self-propelled cleaning device has a surface cleaning system for cleaning a surface to be cleaned. In order to also be able to clean an above-floor surface, the cleaning device also has an above-floor cleaning element for mechanically cleaning an above-floor surface offset in terms of height relative to the surface. The above-floor cleaning element can be rotated and/or pivoted around a rotational axis, and at least one partial cleaning area of the above-floor cleaning element has a difference in height of roughly 3 cm or more relative to a lowermost standing surface of the cleaning device by comparison to a usual orientation of the cleaning device for a cleaning operation.