A surface cleaning apparatus includes an air flow path, a cyclone bin assembly, and a suction motor. The air flow path extends from a dirty air inlet to a clean air outlet. The cyclone bin assembly is provided in the air flow path, and includes a cyclone chamber, a cyclone air inlet, a cyclone air outlet, a cyclone axis of rotation, and an axially extending cyclone chamber sidewall extending between first and second axially opposed ends. The cyclone chamber sidewall has first portion that is moveably mounted with respect to a second portion of the cyclone chamber sidewall between a closed position in which the first and second portions meet at a first juncture and a second juncture and an open position in which the cyclone chamber is opened. The first juncture extends at an angle to a plane that is transverse to the cyclone axis of rotation.

A separation apparatus for separating an unwanted substance from an extraction target includes a forming unit configured to form a separation chamber through which the extraction target passes, and a suction unit communicating with the separation chamber in a direction crossing a passage direction of the extraction target and configured to suck air in the separation chamber. The forming unit includes an inlet for the extraction target, which communicates with the separation chamber, and an outlet for the extraction target, which communicates with the separation chamber, and the air is sucked from the outlet into the separation chamber by suction of the suction unit.

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 present disclosure provides a cyclone separator and a cyclone separation method. The cyclone separator includes a shell and a core tube. An upper end of the shell is provided with a gas inlet. A lower end of the shell is provided with a shell outlet. An opening at a lower end of the core tube is provided inside the shell. The lower end of the core tube is provided with a baffle structure, and at least a portion of the baffle structure extends vertically. By providing the baffle structure, the present disclosure can cut off the flow path of the short-circuit flow and the radially centripetal moving gas flow such as the centripetal flow in the particle spiral band area, weaken the short-circuit flow, the inner vortex flow and the precessing vortex core, thus improving separation efficiency of fine particles with particle diameters of 1 m to 10 m.

The present disclosure provides a cyclone separator and a cyclone separation method. The cyclone separator includes a shell and a core tube. An upper end of the shell is provided with a gas inlet. A lower end of the shell is provided with a shell outlet. An opening at a lower end of the core tube is provided inside the shell. The lower end of the core tube is provided with a baffle structure, and at least a portion of the baffle structure extends vertically. By providing the baffle structure, the present disclosure can cut off the flow path of the short-circuit flow and the radially centripetal moving gas flow such as the centripetal flow in the particle spiral band area, weaken the short-circuit flow, the inner vortex flow and the precessing vortex core, thus improving separation efficiency of fine particles with particle diameters of 1 m to 10 m.

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 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 surface cleaning apparatus has an upstream air treatment member and a downstream cyclonic cleaning stage that includes a plurality of cyclones in parallel. Each cyclone has a cyclone axis of rotation, a first end, an axially spaced apart second end, a sidewall extending between the first and second ends, an air inlet, an air outlet, and a sideways dirt outlet. The surface cleaning apparatus also includes a dirt collection chamber and a dirt collection plenum.