1926results about "Cleaning filter means" patented technology

A vacuum cleaner includes a cleaner body, a suction brush, through which air and contaminants are drawn in, and a cyclone type dust collecting device. The cleaner body has a motor driving chamber and a dust collecting chamber in communication with the motor driving chamber. The cyclone type dust collecting device is mounted in the dust collecting chamber and separates by centrifugal force the contaminants from the air. The cyclone type dust collecting device includes a hollow cylindrical cyclone body having an open top, a closed bottom, and a contaminant outlet. The open top allows air and contaminants into the cyclone body, where the contaminants are separated from the air by centrifugation. The contaminants are then discharged from the cyclone body through the contaminant outlet. The cyclone type dust collecting device further includes a contaminant receptacle for collecting the contaminants discharged through the contaminant outlet, a base member hingedly connected to the contaminant receptacle, and a cover for covering the top of the cyclone body. The cover has an air inlet passage, through which air and contaminants drawn in through the suction brush enter into the cyclone body, an air outlet passage, through which the air is discharged from the cyclone body, and a contaminant separating grill. The grill extends downward from the air outlet passage into the cyclone body and has a plurality of fine holes.

A vacuum cleaner having a handle with a handle air passage, a base attached to a first end of the handle by an articulating joint and having a base inlet positioned to face a surface to be cleaned, a base air passage extending from the base inlet and past the articulated joint by a flexible hose and to the handle air passage, a dirt collection assembly associated with the handle and in fluid communication with the handle air passage, a fan associated with the handle and in fluid communication with the handle air passage, and a motor associated with the handle and adapted to drive the fan to thereby generate an airflow through the base inlet, flexible hose, handle air passage, and dirt collection assembly. The flexible hose has a generally rectangular cross-section along a substantial portion thereof.

A robot cleaner system having an improved docking structure to allow a dust discharge port of a robot cleaner to come into close contact with a dust suction port of a docking station without an additional drive device. The robot cleaner system includes a robot cleaner having a dust discharge port, a docking station having a dust suction port to suction dust collected in the robot cleaner, and a docking device to perform a seesaw movement as it comes into contact with the robot cleaner when the robot cleaner docks with the docking station, so as to allow the dust suction port to come into close contact with the dust discharge port. The docking device further includes a link member installed in the docking station in a pivotally rotatable manner. The link member has one end provided with a contact portion to come into contact with the robot cleaner, and the other end provided with a docking portion defining the dust suction port therein.

An autonomous floor-cleaning robot comprising a housing infrastructure including a chassis, a power subsystem; for providing the energy to power the autonomous floor-cleaning robot, a motive subsystem operative to propel the autonomous floor-cleaning robot for cleaning operations, a command and control subsystem operative to control the autonomous floor-cleaning robot to effect cleaning operations, and a self-adjusting cleaning head subsystem that includes a deck mounted in pivotal combination with the chassis, a brush assembly mounted in combination with the deck and powered by the motive subsystem to sweep up particulates during cleaning operations, a vacuum assembly disposed in combination with the deck and powered by the motive subsystem to ingest particulates during cleaning operations, and a deck adjusting subassembly mounted in combination with the motive subsystem for the brush assembly, the deck, and the chassis that is automatically operative in response to an increase in brush torque in said brush assembly to pivot the deck with respect to said chassis. The autonomous floor-cleaning robot also includes a side brush assembly mounted in combination with the chassis and powered by the motive subsystem to entrain particulates outside the periphery of the housing infrastructure and to direct such particulates towards the self-adjusting cleaning head subsystem.

A robot cleaner system having an improved docking structure between a robot cleaner and a docking station, which is capable of an easy docking operation of the robot cleaner and preventing loss of a suction force generated in the docking station. The robot cleaner includes a docking portion to be inserted into a dust suction hole of the docking station upon a docking operation. The docking portion may be a protrusion, which protrudes out of a robot body to be inserted into a dust suction path defined in the docking station, the protrusion communicates a dust discharge hole of the robot cleaner with the dust suction path of the docking station. The robot cleaner system includes a coupling device to keep the robot cleaner and the docking station in their docked state. The coupling device is configured to have a variety of shapes.

A cyclone type dust collecting apparatus for a vacuum cleaner includes a cyclone body having a cylindrical shape, open upper and lower ends and a contaminant outlet. Air and contaminants are drawn into the cyclone body through one open end of the cyclone body. The contaminants are separated from the air by centrifugal force and are discharged through the contaminant outlet, which is located proximate the other open end of the cyclone body. The apparatus further includes a contaminant receptacle for collecting the contaminants that have been discharged from the cyclone body. The contaminant receptacle has open upper and lower ends and surrounds the cyclone body. A base member is connected to and closes the lower end of the cyclone body and the contaminant receptacle, and a cover is removably connected to the upper end of the cyclone body and the contaminant receptacle. The cover includes an air inlet and an air outlet, both of which communicate with the cyclone body. The cover further includes a contaminant separating grill that has a plurality of fine holes. The grill extends downward from the air outlet and into the cyclone body. The apparatus further includes a partition that is disposed between the cyclone body and the contaminant receptacle for restricting the movement of the contaminants in the contaminant receptacle.

A cyclonic vacuum cleaner includes a body portion, a nozzle portion and a dirt cup which is removable from the body portion. The dirt cup collects dirt and other debris separated by a cyclone and a cyclone slinger portion in the body portion. A main filter may be housed in a transparent filter door downstream of the cyclone. The dirt cup may be inserted into and sealingly held within the body portion by using a rotational camming structure.

The present invention relates to a vacuum cleaner. In one embodiment, a hand-held vacuum cleaner includes a housing having a first end and a second end, a suction nozzle located at the first end of the housing, and a suction fan and motor assembly located in the housing. A brushroll may be disposed within the suction nozzle. The hand-held vacuum cleaner further includes a dirt cup including an inlet, an outlet, a cyclonic flow chamber, a filter assembly, and a dirt cup door. The dirt cup is rotatably detachable from the housing. At least one nub cooperates with the at least one slot in the dirt cup to rotatably secure the dirt cup to the second end of the housing. In addition, the filter assembly includes at twist on filter cartridge.

A multi-cyclone dust separating apparatus includes: a multi-cyclone unit including a first cyclone chamber body having a first cyclone chamber and at least one protection chamber formed around at least a portion of an outer circumference of the first cyclone chamber, and at least one secondary cyclone chamber body disposed in the protection chamber, each secondary cyclone chamber body having at least one secondary cyclone chamber; a cover unit connecting an upper end of the multi-cyclone unit and guiding air discharged from the first cyclone chamber to the at least one secondary cyclone chamber; a dirt collecting unit adapted to connect to a lower end of the multi-cyclone unit and configured to collect dirt separated from the air in the first and secondary cyclone chambers; and an air discharge duct configured to discharge air that has passed through the multi-cyclone unit.

A cyclone separating apparatus for a vacuum cleaner includes a first cyclone with an air entrance disposed on a lower portion of the first cyclone and an air exit disposed at an upper portion of the first cyclone; a first contaminants chamber substantially enclosing the first cyclone to collect contaminants discharged from the first cyclone; a plurality of second cyclones above the first cyclone, the plurality of second cyclones being substantially perpendicular to a center axis of the first cyclone; and a second contaminants chamber disposed outside the first contaminants chamber to collect contaminants discharged from the plurality of second cyclones.

The present invention relates to a dust and dirt collecting unit for a vacuum cleaner capable of simultaneously performing a primary cyclonic dust collection and a secondary filter dust collection. According to the present invention, there is provided a dust and dirt collecting unit for a vacuum cleaner, which is mounted to one side of a main body of the vacuum cleaner to filter sucked air containing foreign substances. The dust and dirt collecting unit of the present invention comprises a dust casing which has an inlet formed in a direction tangential thereto for introducing the air containing the foreign substances thereinto and of which a top portion is open; a cover which is used to open and close the top portion of the dust casing and is provided at the center thereof with an outlet for discharging air from which the foreign substances have been filtered out; a filter assembly which is installed at a bottom surface of the cover corresponding to the outlet and includes a cylindrical filter of which the interior communicates with the outlet; a protective cylindrical body which is formed to wrap around an outer periphery of the filter assembly and installed below the cover so that the interior thereof can communicate with the exterior thereof through a plurality of vent holes formed at a lower portion thereof; and a separating plate which is coupled with the bottom of the filter assembly and extends radially to be spaced apart from an inner circumferential surface of the dust casing by a predetermined gap.

A particle separation member (40) is provided for use with a cyclone separator (30). The particle separation member (40) divides the separator (30) into a cyclone chamber (46) and a particle receiving chamber (50). The cyclone chamber (46) and the particle receiving chamber (50) communicating via a plurality of apertures (52) in the particle separation member (40).

A cyclone dust collecting device using a corona discharge is provided. The cyclone dust collecting device includes a cyclone chamber rotating air drawn in from the outside to separate contaminants from the air, a discharge pipe guiding the air separated from the contaminants to the outside of the cyclone chamber and including a discharge electrode part with at least a part made of a conductive material and a power supply unit supplying a power to the discharge electrode part for the discharge electrode part to perform a corona discharge.

A filter assembly and a cyclone dust collecting apparatus using the same are provided. The filter assembly is employed by a cyclone dust collecting apparatus which centrifugally separates contaminant from drawn-in air to remove the contaminant and filters and discharges the air and has a filter part, and an air path. The air path is formed in the filter part to guide the air into the filter part and enables the air to flow in a three-dimensional direction, in other words, in a perpendicular direction to a central axis of the filter part, simultaneously flow in a parallel direction with the central axis of the filter part.

A vacuum cleaner comprises adjacent housings, which contain the filtration and suction fan motor assembly of the vacuum cleaner.

A vacuum cleaner is provided including a nozzle assembly with a suction inlet and a canister assembly. A suction generator and dirt collection vessel ate carried on one of the nozzle assembly and canister assembly. The dirt collection vessel includes a base wall, a stepped sidewall and a dirt collection chamber. The stepped sidewall has a first cylindrical section with a circumference C1, and a second cylindrical section with a circumference C2 where C1, C1>C2. In addition the stepped sidewall includes a step connecting the first and second cylindrical sections where the step and first cylindrical section define an included angle A1≦90°.

A robot cleaning system and a dust removing method of the same that are capable of moving a first dust collector mounted in a robot cleaner to a docking station to remove dust collected in the first dust collector. The robot cleaning system includes a robot cleaner having an opening, though which a first dust collector to collect suctioned dust is carried in and out of the robot cleaner, a docking station, to which the robot cleaner is docked to remove the dust collected in the first dust collector, and a collector moving unit to move the first dust collector to the docking station.

Provided is a dust collection unit of a vacuum cleaner, including a dust collection container and a coupling portion formed at a concaved inside of the dust collection container, for allowing a lower cover to be selectively coupled to the dust collection container. The dust collection unit is firmly supported against an external impact, thereby enhancing the reliability of the vacuum cleaner and preventing the vacuum cleaner from being damaged.

A dust filter bag having a highly porous backing material ply and a method for producing the dust filter bag. The dust filter bag includes at least one filter material ply and at least one backing material ply, the backing material ply possessing an air permeability of at least 900 l / m<2 >x s, a burst strength of at least 70 kPa, a rupture strength longitudinally better than 10 and transversely better than 3 N, a flexural rigidity longitudinally better than 0.5 cN cm<2 >and transversely better than 0.25 cN cm<2>, a basis weight of 30-80 g / m<2 >and a droplet sink-in time of less than 10 minimum. The dust filter bag can be produced by the following steps: mixing fibers including cellulose fibers and fusible fibers into a homogenous fiber mix, processing the fiber mix into a fiber web by wet laying, drying the fiber web, curing the dried fiber web by thermofusion into a backing material ply, processing the backing material ply with a filter material ply into a raw bag, and finishing the raw bag into a dust filter bag.

A cyclonic separation device for a vacuum cleaner including a cylindrical housing, an inlet tube parallel to the axis of the housing having a vortex vane disposed axially in the inlet tube. Air rotates in one direction in the inlet tube, and preferably in the opposite direction in the housing. The housing includes a cylindrical sidewall with an upper central outlet tube and a closed bottom for collecting separated dirt. A disrupter ring located on the inside wall of the middle portion of the housing includes a curved surface and sharp edge for lifting air flow off the housing wall. An outlet tube disc spaced from the inlet of the outlet tube is located in the housing below the disrupter ring.

An autonomous vacuum cleaner comprising a main body comprising a dirty air inlet, a clean air outlet, an airflow path extending between the dirty air inlet and the clean air outlet, a separating apparatus arranged in the airflow path between the dirty air inlet and the clean air outlet, and an airflow generator for generating an airflow along the airflow path from the dirty air inlet to the clean air outlet. The airflow generator has a discharge portion which discharges airflow into a chamber formed in the main body, the chamber including an opening that is closable by a removable panel, wherein a power source is receivable within the chamber formed in the main body and is removable from the chamber through the opening.

A dirt separation and collection assembly suitable for use in a bagless vacuum cleaner including two dirt separation and collection zones is provided. Dirty air enters the upper portion of a container and enters a first stage dirt separation zone including a disruptor ring extending inwardly from the outer wall to allow coarse dirt particles and fibers to pass through and collect at the base of the outer wall of the device. The spinning air is then drawn through a conical shroud and fed into a second stage conical separator for separating fine dirt particles and collecting them in an inner substantially cylindrical collection chamber. Air exits the conical separator at the opposite cone opening before being drawn to the suction source. Elements may be oriented upwardly or downwardly depending upon the configuration of the housing for receiving the dirt separation and collection assembly.

A cyclone dust-collecting apparatus of a vacuum cleaner includes a cyclone body installed at an extension hose for generating air current of vortex from incoming air, a grill for filtering back drafting current of the air current of vortex, and a cyclone cover including a partly blocked plate, which is placed to correspond to the grill, a filth passage for guiding filth to a filth-collecting container, and a first connection member for connecting the cyclone body with the filth-collecting container. The filth-collecting container has second connection member for connecting with the cyclone cover. Accordingly, it can be prevented a grill from being blocked by back drafting of piled filth in the filth-collecting container regardless of the position of a user. When the user eliminates collected filth, breakage of a grill or falling down of the filth clung to the grill, can also be prevented.

A portable extraction cleaning machine has a housing assembly including a housing enclosure centrally mounted on a housing base and a handle adapted for user carrying of the extraction cleaner, a suction motor and impeller assembly sealed within the housing enclosure and a solution tank for cleaning solution and a recovery tank removably mounted to the housing base in a fore and aft position. The recovery tank has an integrally molded spout and an air / liquid separator comprising a riser tube having an internal divider separating the riser tube into fluidly isolated first and second conduits. A plurality of different decorative face plates are adapted to be removably mounted to the housing enclosure and each of which is adapted to cover at least a substantial visible portion of the visible surface of the housing enclosure when mounted on the housing enclosure.

A floor cleaning device (10) includes a housing (40) and a container (43) removably received by the housing. A suction nozzle (18, 18′, 18″) is fluidly connected with the container and with a suction source (52) when the container is received by the housing. A filter (114) is selectively fluidly connected with the container and with the suction source. A float (170) selectively closes the fluid connection of the filter with the container. The filter and the float may be removable as a unit (42) from the cleaning device. The nozzle may be removable, allowing an appropriate nozzle to be selected according to the type of floor surface to be cleaned.

A cyclonic separation apparatus for a vacuum cleaner, the cyclonic separation apparatus comprising: a first cyclonic separating unit comprising a hollow cylindrical dirt container with a central axis and an air inlet port arranged tangentially through a side of the dirt container; a second cyclonic separating unit comprising at least one cyclone with an axial inlet port, an axial outlet port and a discharge nozzle and a substantially cylindrical intermediate wall surrounding the inlet port of the at least one cyclone, wherein the cyclonic separation apparatus comprises at least one protruding lip arranged to impede return of separated material from said longitudinal end of the dirt container and wherein the at least one lip protrudes radially inwardly from an inner surface of the dirt container or protrudes radially outwardly from the intermediate wall.

A particle separation member is provided for use with a cyclone separator. The particle separation member divides the separator into a cyclone chamber and a particle receiving chamber. The cyclone chamber and the particle receiving chamber communicating via a plurality of apertures in the particle separation member.