Abstract: A sensing escape device of an automatic cleaner includes a control module, a motion module and an inclination limitation sensing module. The control module controls the motion module to drive the movement of the automatic cleaner in mode between a forward mode with head portion as a head and a backward mode with tail portion as a head. The inclination limitation sensing module coupled to the control module includes a critical inclination angle sensing unit outward disposed on a rear bottom of the main body. When the critical inclination angle sensing unit is externally contacted, the inclination limitation sensing module generates a signal and transfers the signal to the control module, to make the control module drive the motion module to switch into the backward mode. The automatic cleaner moves backward immediately when climbing a ramp, to avoid misjudging actions such as a suspension of the motor-driven wheel unit.

Abstract: A thin-type automatic cleaning device includes a main body, a fan module and a dust collecting box. The main body includes a placing chamber for receiving the fan module. The structural shape of the dust collecting box substantially assorts with that of the placing chamber in order to be received within the placing chamber. The lower casing is provided with a receiving cavity from the bottom side toward the interior of the dust collecting box to receive the fan module. The dust collecting box forms a nested structure with the fan module thereby to reduce the thickness of the device.

Abstract: A dust collection sensing device of an automatic cleaner comprises: a main body with a placing chamber provided inside and a channel is provided on a side of the placing chamber, a dust collecting box installed within the placing chamber and an extended vacuuming pipe being provided on a side of the dust collecting box with an end thereof extending though the channel, a sensing assembly comprising a signal sending element and a signal receiving element, which are installed separately on the two opposite wall surfaces of the channel and are corresponding to the two sides of the bottom of the vacuuming pipe, and a warning indicator installed on the main body and connected to the signal receiving element of the sensing assembly electrically.

Abstract: A robotic vacuum cleaner includes a casing with a motor-driven wheel unit mounted on a lower major wall thereof, and a tactile sensor unit yieldable radially relative to the casing. An electrical control unit is operable to control the wheel unit to operate in a starting mode in which the casing is moved along a spiral path, and, upon receipt of a switching signal generated by the sensor unit in response to a contact of the sensor unit with an obstacle, controls the wheel unit to operate in an edge-cleaning mode in which the wheel unit is initially turned to a normal angle, is then driven to move forward a predetermined distance, is subsequently turned to an activating angle, and is moved towards the obstacle to permit contact of the sensor unit with the obstacle so as to result in generation of switch signal enabling the wheel unit to continue to operate in the edge-cleaning mode.

Abstract: A robotic floor cleaner includes a main body, which houses a propelling unit for moving the robotic floor cleaner on the floor and a control unit for controlling the operation of the propelling unit to move the robotic floor cleaner on the floor according to a predetermined steering mode, a daughter body detachably fastened to the main body and houses a vacuum cleaner unit for removing dust, and a handle assembly detachably connectable to the daughter body.

Abstract: The present invention provides a wheel set for robot cleaner, which is installed under the main body of a robot cleaner for supporting the main body to move on a floor. The wheel set comprises two driving wheels. Each of the driving wheels includes a power source, two transmission mechanisms and two wheels. Each of the two transmission mechanisms is linked correspondingly with one of the two wheels and the power source so that the wheels are driven by the power source to traverse obstacles on the floor and do not scrape the floor.

Abstract: An infrared sensor at lower production cost for optimal massive production includes an infrared sensor unit disposed to the bottom of an automatic vacuum cleaner to measure the level of the ground to prevent the vacuum cleaner from turning overdue to any drop height created on the ground; a slide screen being disposed on the infrared sensor unit; and a small gateway to control the area for receiving energy of the infrared ray to precisely measure the drop height of the ground for the vacuum cleaner to automatically take turn whenever the drop height is detected to prevent a possible falling over.

Abstract: A cleaning method for improving a wafer surface polluted by metal ions is disclosed. This method is to install an ion change filter in a pipeline, in which deionized water runs, to reduce the number of metal ions to be less than 0.1 ppb, so as to avoid that the metal ions of deionized water remains on the surface of the wafer during the process in cleaning the wafer and diffuses in the thermal oxidation process afterwards to affect the quality of oxide film.

Abstract: A mobile robotic system includes a charging device and a mobile robot. The charging device is provided with a light emitter and a set of first charging contacts for supplying a charging signal. The mobile robot has a first side provided with a first light sensor, a second side provided with a second light sensor and a set of second charging contacts corresponding to the first charging contacts, a rechargeable battery unit, and a control unit. When charging of the battery unit is intended, the control unit enables movement of the mobile robot until the first light sensor detects light emitted by the light emitter, subsequently enables rotation of the mobile robot until the second light sensor detects the light from the light emitter, and then enables movement of the mobile robot toward the charging device until the first and second charging contacts come into contact.

Abstract: An infrared sensor at lower production cost for optimal massive production includes an infrared sensor unit disposed to the bottom of an automatic vacuum cleaner to measure the level of the ground to prevent the vacuum cleaner from turning overdue to any drop height created on the ground; a slide screen being disposed on the infrared sensor unit; and a small gateway to control the area for receiving energy of the infrared ray to precisely measure the drop height of the ground for the vacuum cleaner to automatically take turn whenever the drop height is detected to prevent a possible falling over.

Abstract: A cleaner having structures for jumping obstacles is provided. A lower portion of a main body of the cleaner is disposed with a movable chassis, and the center of the chassis is formed with a hollow post that is to be inserted in a sleeve of the main body of the cleaner and is hooked by a hook element. The hollow post and the sleeve are moveable with each other, such that the hollow post can move up and down in the sleeve freely. A movable dustpan board is mounted on a front periphery of the chassis by long posts and springs.

Abstract: A self-moving vacuum cleaner includes a duct disposed in a casing and having a vacuum inlet which extends downwardly of a bottom wall of the casing, and an impeller disposed to draw dust from the floor surface through the vacuum inlet into the duct. An intake nozzle includes a tubular nozzle body which has an upper end communicated with and retainingly slidable relative to the vacuum inlet so as to enable a lower end of the nozzle body to be movable between upper and lower positions, and an anchoring member which is hinged to the bottom wall such that the nozzle body is swingable between the upper and lower positions in response to unevenness of the floor surface, thereby enabling the lower end to keep trailing on the floor surface when the casing moves.

Abstract: A robotic floor cleaner includes a main body, which houses a propelling unit for moving the robotic floor cleaner on the floor and a control unit for controlling the operation of the propelling unit to move the robotic floor cleaner on the floor according to a predetermined steering mode, a daughter body detachably fastened to the main body and houses a vacuum cleaner unit for removing dust, and a handle assembly detachably connectable to the daughter body.

Abstract: A dust collector for use in an autonomous floor-cleaning device is disclosed to include a container, which is formed of a container body and a top cover shell and has two bottom suction holes and a top air outlet, a box-like partition member, which divides the inside space of the container into a bottom storage chamber and an upper storage chamber and has a through hole in communication between one bottom suction hole and the air outlet, and a filter member set between the through hole of the partition member and the air outlet of the container for removing dust from air passing through the upper storage chamber.

Abstract: A steering control sensor installed in an automatic vacuum cleaner for controlling the steering direction of the automatic vacuum cleaner is disclosed to include a LED for emitting light onto the floor to produce a reflected light signal, a photo sensor for receiving the light signal, and a spring-supported contact member, which allows the photo sensor to receive the light signal when the automatic vacuum cleaner encounters no obstacle when moving on the floor, or blocks the light signal from the photo sensor to cause the photo sensor to output a signal to drive the automatic vacuum cleaner to change the steering direction when the automatic vacuum cleaner encounters an obstacle during movement.

Abstract: A robotic vacuum cleaner includes a casing with a motor-driven wheel unit mounted on a lower major wall thereof, and a tactile sensor unit yieldable radially relative to the casing. An electrical control unit is operable to control the wheel unit to operate in a starting mode in which the casing is moved along a spiral path, and, upon receipt of a switching signal generated by the sensor unit in response to a contact of the sensor unit with an obstacle, controls the wheel unit to operate in an edge-cleaning mode in which the wheel unit is initially turned to a normal angle, is then driven to move forward a predetermined distance, is subsequently turned to an activating angle, and is moved towards the obstacle to permit contact of the sensor unit with the obstacle so as to result in generation of switch signal enabling the wheel unit to continue to operate in the edge-cleaning mode.

Abstract: A mobile robotic system includes a charging device and a mobile robot. The charging device is provided with a light emitter and a set of first charging contacts for supplying a charging signal. The mobile robot has a first side provided with a first light sensor, a second side provided with a second light sensor and a set of second charging contacts corresponding to the first charging contacts, a rechargeable battery unit, and a control unit. When charging of the battery unit is intended, the control unit enables movement of the mobile robot until the first light sensor detects light emitted by the light emitter, subsequently enables rotation of the mobile robot until the second light sensor detects the light from the light emitter, and then enables movement of the mobile robot toward the charging device until the first and second charging contacts come into contact.

Abstract: A power transmission apparatus adapted to be coupled to a power system having a drive shaft and adapted to drive a driven element is disclosed. The power transmission apparatus includes: a worm adapted to be coupled to and to be driven by the drive shaft of the power system, the worm being rotatable about a first axis parallel to the drive shaft of the power system; a planetary gear module that engages and that is driven by the worm, the planetary gear module being rotatable about a second axis perpendicular to the first axis; and an output component coupled to the planetary gear module and adapted to be coupled to the driven element, the output component being driven by the planetary gear module for driving movement of the driven element.

Abstract: A self-moving vacuum cleaner includes a duct disposed in a casing and having a vacuum inlet which extends downwardly of a bottom wall of the casing, and an impeller disposed to draw dust from the floor surface through the vacuum inlet into the duct. An intake nozzle includes a tubular nozzle body which has an upper end communicated with and retainingly slidable relative to the vacuum inlet so as to enable a lower end of the nozzle body to be movable between upper and lower positions, and an anchoring member which is hinged to the bottom wall such that the nozzle body is swingable between the upper and lower positions in response to unevenness of the floor surface, thereby enabling the lower end to keep trailing on the floor surface when the casing moves.

Abstract: An air cleaning apparatus that includes a housing, a fan, an ultraviolet lamp, and a cylindrical filter. The housing has a separation plate that defines an air inlet region and an air outlet region inside the housing. The separation plate has a vent. An air inlet is formed through an outer surface of the air inlet region. An air outlet is formed through an outer surface of the air outlet region. A holder is located in the longitudinal direction of the housing. A fan is mounted in the air inlet region proximate to the vent of the separation plate. An ultraviolet lamp is mounted inside the holder. A cylindrical filter has a rotating part at one end thereof. The holder is arranged inside the cylindrical filter, and the rotating part is rotatably engaged with the opening.