Class / Patent application number | Description | Number of patent applications / Date published |
015352000 | Separator element cleaning in situ and/or storage or removal of retained dirt | 30 |
20080216282 | SURFACE CLEANING APPARATUS WITH ENLARGED DIRT COLLECTION CHAMBER - A surface cleaning apparatus is disclosed. The surface cleaning apparatus comprises a dirt inlet, a clean air outlet and a fluid flow path extending between the dirt inlet and the clean air outlet. The surface cleaning apparatus further comprises first and second side by side housings. The first housing comprises a cyclonic cleaning stage in the fluid flow path. The cyclonic cleaning stage comprises a cyclone having a dirt outlet. An associated dirt collection chamber is positioned below the dirt outlet. The dirt collection chamber extends under at least a portion of the first and second housings. The surface cleaning apparatus further comprises a fluid flow motor in the fluid flow path. | 09-11-2008 |
20080250601 | Filter cleaning mechanisms - In one aspect, the present invention provides a filter cleaning mechanism comprising: a filter material ( | 10-16-2008 |
20080282497 | DUST CUP LATCH FOR CYCLONE SEPARATOR VACUUM - A latching mechanism for the dust cup assembly on a bottom exit cyclone-separator vacuum cleaner, including a non-rotating annular seal member supporting the dust cup assembly above a discharge outlet, and a U-shaped slide lock member movable in and out underneath the dust cup assembly to raise and lower the seal member, thus raising and lower the dust cup assembly into and out of engagement with a cyclone separator chamber. | 11-20-2008 |
20090056062 | VACUUM CLEANER HAVING A MOTOR-FAN UNIT AND A FINE FILTER DISPOSED IN AN EXHAUST AIR STREAM THEREOF - A vacuum cleaner includes a motor-fan unit and a housing part including a filter receptacle. A filter frame is slidably insertable in an insertion direction into the filter receptacle so as to be disposed in an exhaust air stream of the motor-fan unit. The filter frame has a substantially parallelepiped configuration and is configured to receive a fine filter. The vacuum cleaner includes an air-permeable cover element pivotably disposed on the housing and configured to cover the filter receptacle. The cover element is operable to redirect force resulting from a pivoting movement thereof from the insertion direction to a pressing direction substantially perpendicular to the insertion direction so as to press an edge contour of the filter frame toward a mating contour of the filter receptacle in an inserted position of the filter frame. | 03-05-2009 |
20090056063 | UPRIGHT VACUUM CLEANER - An upright vacuum cleaner for cleaning a surface includes an upper body with a dust collection container received therein, and a base unit. A carriage is configured to provide movement of the base unit on the surface. A motor-fan unit is disposed in the base unit and configured to provide a partial vacuum at the surface. The upper body is connected to the base unit by a tilting joint such that the upper body and base unit are tiltable relative to each other about a tilt axis extending horizontally when the upright vacuum cleaner is in a position of use. An air conduit is disposed rotatably with respect to the motor-fan unit and communicates with a suction side of the motor-fan unit. | 03-05-2009 |
20090056064 | UPRIGHT VACUUM CLEANER - An upright vacuum cleaner for cleaning a surface includes an upper body with a dust collection container disposed therein, a base unit and a carriage configured to provide movement of the base unit on the surface. A tilting joint connects the upper body and base unit. The tilting joint is configured to provide relative tilting between the upper body and the base unit about a tilting axis extending horizontally when the upright vacuum cleaner is in a position of use. At least one cover configured to cover a clearance in a vicinity of the tilting joint between the upper body and the base unit. | 03-05-2009 |
20090183338 | DUST FILTER AND VACUUM CLEANER COMPRISING SUCH A FILTER - A dust filter for filtering dust out of an air stream has a filter membrane ( | 07-23-2009 |
20090249578 | VACUUM CLEANER - A vacuum cleaner is provided. The vacuum cleaner may include a main body, a dust collector, at least one pressing member, and a driver. The dust collector may be detachably attached to the main body and may include a dust storage chamber. The at least one pressing member may compress dust stored in the dust storage chamber. The driver may be disposed in the dust collector and actuate the at least one pressing member. | 10-08-2009 |
20090282641 | FILTERING MEANS AND FLOOR-SWEEPING MACHINE PROVIDED WITH SUCH MEANS - Filtering means for filtering out impurities contained in an air stream, and comprising an inner filter plate or sieve, an outer frame that houses said filter plate thereinside, a structure for retaining said filter plate and conveying the shaking motion, a support socle applied on to said structure, a rotary electric motor, whose rotor is provided with one or more unbalanced masses, and which is fixedly mounted on said socle. The invention is based on the fact that said electric motor is operated in an intermittent manner, preferably with a direct-current, substantially square-wave supply voltage according to an ON-OFF cycling pattern, so as to generate a very broad spectrum of shaking frequencies that proves more effective in enabling the filter plate to be freed from the impurities being retained thereupon. | 11-19-2009 |
20090293223 | VACUUM CLEANER WITH REMOVABLE DUST COLLECTOR, AND METHODS OF OPERATING THE SAME - A vacuum cleaner includes a dust collector that compresses dust stored inside a dust container to minimize the volume of the dust. The dust collector would include one or more pressing plates that are used to compress the dust stored in dust collector. Various methods are used to control movements of the movable pressing plates to facilitate the compression operations. Also, various methods are used to determine when the dust collector is full and needs to be emptied. | 12-03-2009 |
20100043170 | DUST SEPARATING DEVICE OF A CLEANER - A dust separating device of a vacuum cleaner includes a first dust separator ( | 02-25-2010 |
20100132155 | CLEANING APPLIANCE - A cleaning appliance such as a vacuum cleaner includes a main body housing a motor and fan unit for generating a fluid flow. The main body also houses a removable pre-motor filter located upstream of the motor and fan and a removable post-motor filter located downstream of the motor and fan. It is beneficial to permit the user to be able to monitor the condition of both the pre-motor filter and the post-motor filter, and to remove and replace them as required, and so access to both filters may be provided. It is more important that the user checks the pre-motor filter as it gets dirtier than the post-motor filter. Therefore, the post-motor filter is not accessible or removable from the main body until the pre-motor filter is removed from the main body, by removing its housing. | 06-03-2010 |
20100162517 | Vacuum cleaner having detachable dust separating unit - A vacuum cleaner having a detachable dust separating unit is disclosed. The vacuum cleaner includes a cleaner body having a first opening to open a portion of a first surface thereof and a second opening to open a portion of a second surface thereof, a dust separating unit to separate a dust from an air, and a seating part formed in the cleaner body to detachably mount the dust separating unit on the cleaner body. The dust separating unit forms a portion of an outward appearance of the cleaner body while closing up the first and the second openings of the cleaner body when the dust separating unit is mounted on the seating part. | 07-01-2010 |
20100293745 | Filter Cleaning Mechanisms - In one aspect, the present invention provides a filter cleaning mechanism comprising: a filter material ( | 11-25-2010 |
20110099749 | VACUUM CLEANER - A vacuum cleaner is disclosed. The present invention relates to a vacuum cleaner that is able to form dust and foreign substances collected in a dust collection device provided therein in a single mass shape to discharge it efficiently, not scattered in a dust collecting device. The vacuum cleaner includes a body, a dust collection device collecting dust and foreign substances therein, a compression device provided in the dust collection device to collect the dust and foreign substances collected in a predetermined portion of the dust collection device and to compress the collected dust and foreign substances, and a liquid supply device arranged in the dust collection device, in communication with an inside of the dust collection device, to supply liquid material to the dust collection device. | 05-05-2011 |
20110099750 | VACUUM CLEANER - A vacuum cleaner is disclosed. The present invention relates to a vacuum cleaner that is able to form dust and foreign substances collected in a dust collection device provided therein in a single mass shape to discharge it efficiently, not scattered in a dust collecting device. The vacuum cleaner includes a body, a dust separation device mounted in the body, a dust collection device independently provided from the dust separation device, connected to the dust collection device, a compression device provided in the dust collection device, to collect dust and foreign substances collected in a predetermined portion of the dust collection device and to compress the collected dust and foreign substances, and a liquid supply device provided in the dust separation device to supply liquid material to the dust separation device. | 05-05-2011 |
20110219579 | SUCTION MOTOR HOUSING FOR AN UPRIGHT SURFACE CLEANING APPARATUS - An upright surface cleaning apparatus comprises a floor cleaning head having a dirty air inlet, and an air flow passage extending from the dirty air inlet to a clean air outlet. An upright section is moveably mounted to the surface cleaning head between a storage position and an in use position. The upright section comprises a filtration member and a suction motor provided in the air flow passage. The suction motor has an air inlet end, an opposed distal end, and an air inlet direction. The upright section further comprises a motor housing. The motor housing comprises a motor section in which the suction motor is provided. The motor section has a first end at the air inlet end of the suction motor and an opposed second end at the distal end of the suction motor. An openable post motor filter chamber is provided in the motor housing and has an inlet end and an outlet end. At least a portion of the filter chamber is provided in the motor section. The inlet end includes a finger guard and the filter chamber has a direction of airflow that is transverse to the air inlet direction of the suction motor. A post motor HEPA filter is removably mounted in the filter chamber. | 09-15-2011 |
20120011679 | VACUUM CLEANER - A vacuum cleaner is disclosed. The present invention relates to a vacuum cleaner that is able to form dust and foreign substances collected in a dust collection device provided therein in a single mass shape to discharge it efficiently, not scattered in a dust collecting device. The vacuum cleaner includes a body, a dust separation device mounted in the body, a dust collection device independently provided from the dust separation device, connected to the dust collection device, a compression device provided in the dust collection device, to collect dust and foreign substances collected in a predetermined portion of the dust collection device and to compress the collected dust and foreign substances, and a liquid supply device provided in the dust collection device to supply liquid material to the dust collection device. | 01-19-2012 |
20120023701 | VACUUM CLEANER WITH LATCH MECHANISM - A latch mechanism for a dirt cup of a vacuum cleaner. The latch mechanism can include a first sloped portion provided on a mounting structure for receiving a dirt cup and a filter housing in supporting relationship to the vacuum cleaner and a second sloped portion on the filter housing corresponding to the first sloped portion. Movement of the filter housing in a first direction relative to the mounting structure as the first and second sloped portions bear against each other results in the movement of the filter housing, and thus the dirt cup, in a second direction transverse to the first direction relative to the mounting structure. | 02-02-2012 |
20120079676 | CLEANING APPLIANCE - A cleaning appliance includes a substantially spherical surface engaging rolling assembly having a fluid inlet for receiving a fluid flow and a system for drawing the fluid flow through the inlet, and a plurality of support members for supporting the rolling assembly as it is maneuvered over a surface. The center of gravity of the cleaning appliance is located within the rolling assembly. | 04-05-2012 |
20130145574 | DUAL STAGE CYCLONE VACUUM CLEANER - The present disclosure provides a home cleaning appliance including a housing having a nozzle, which includes a main suction opening. An airstream suction source is mounted to the housing and includes a suction airstream inlet and a suction airstream outlet. A cyclone main body is mounted to the housing and communicates with the nozzle main suction opening. The cyclone main body includes a first stage separator and a plurality of second stage separators. A dirt cup is connected to the cyclone main body for collecting dust particles separated by the first stage separator and the plurality of second stage separators. An air manifold is mounted to the first stage separator for fluidly connecting the first stage separator to the plurality of second stage separators. | 06-13-2013 |
20140041150 | FILTER UNIT FOR VACUUM CLEANER - A filter unit ( | 02-13-2014 |
20140215752 | ASH VACUUM AND SEPARATOR WITH FILTER CLEANING DEVICE - A vacuum system includes a filter cleaning mechanism which allows the filter to be cleaned without removal from the vacuum. This mechanism can include a carrying handle which is biased against the lid by a spring. The handle may be released from a vertical position, causing the handle to forcefully strike the lid and dislodge debris from the filter. The vacuum may include a spark arrestor disposed around the filter. The spark arrestor encloses the filter and surrounds the filter sides with a metal screen. The spark arrestor has holes formed in the bottom around the outer perimeter of the filter so that debris which is dislodged from the filter falls through the holes and into the vacuum canister. | 08-07-2014 |
20140237762 | SURFACE CLEANING APPARATUS - A surface cleaning apparatus wherein a body comprises a scalloped wall that defines a suction motor chamber that houses a suction motor. | 08-28-2014 |
20140237763 | Backflush Filter Cleaning System and Method of Use - A backflush filter cleaning system for use with a vacuum cleaner employing an internal filter may include a filter cage having a first end, a second end and a peripheral opening, a backflush valve coupled to the first end, an intake plenum coupled to the second end, the plenum having an air outlet, an inlet valve coupled between the peripheral opening and the air outlet, and a cleaning actuator coupled to at least one of the valves. The system can be adapted to clean a filter coupled to a vacuum cleaner where the system can include a means for establishing a first airflow path from inside the collector through the filter, to the vacuum source, a means for flowing air along the first airflow path, and a means for establishing a second airflow path from an atmosphere surrounding the vacuum cleaner through the backflush valve, through the filter, and into the collector to clean the filter. | 08-28-2014 |
20150107047 | VACUUM CLEANER - Provided is a vacuum cleaner. The vacuum cleaner includes a cleaner body and a dust container separably mounted on the cleaner body. The dust container includes a dust collection body including a first chamber in which air and dust are separated from each other and a second chamber in which the dust separated in the first chamber are stored and a pressing member rotatably reciprocated between the first and second chambers within the dust collection body to compress the dust stored in the second chamber in one direction while moving from the first chamber to the second chamber. | 04-23-2015 |
20160096208 | APPARATUS FOR CLEANING SUBSTRATE - An apparatus for cleaning a substrate includes a suction unit generating a suction force, a suction head suctioning contamination particles remaining on the substrate that is transferred in a first direction by using the suction force, and a suction tube connected to the suction unit and the suction head so as to transfer the suction force into the suction head and providing the contamination particles suctioned by the suction head into the suction unit. The suction head may include: a plurality of suction regions arranged in a second direction crossing the first direction; and a plurality of shutters for opening and closing the suction regions. The suction regions corresponding to a width of the substrate in the second direction are opened by the shutters so as to suction the contamination particles. | 04-07-2016 |
20160183753 | DUAL STAGE CYCLONE VACUUM CLEANER - A vacuum cleaner including a dust collector having a first stage cyclonic separator, a plurality of second stage cyclonic separators, a dirt cup configured to collect dust particles separated by the first stage cyclonic separator, and a perforated tube at least partially within the dust collector. The perforated tube includes a cylindrical wall and a plurality of openings in the cylindrical wall to allow the flow of air to pass through the cylindrical wall in a flow direction from the first stage cyclonic separator toward the plurality of second stage cyclonic separators. A plurality of isolated air conduits within the perforated tube. Each of the plurality of isolated air conduits defined at least partially by walls extending in a direction inwardly from the cylindrical wall of the perforated tube and each of the plurality of second stage cyclonic separators has a corresponding one of the plurality of isolated air conduits. | 06-30-2016 |
20160249777 | SURFACE CLEANING APPARATUS | 09-01-2016 |
20160249778 | SURFACE CLEANING APPARATUS | 09-01-2016 |