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公开(公告)号：US11503970B2
公开(公告)日：2022-11-22
申请号：US16788900
申请日：2020-02-12
发明人： Jian Yun Pi , Kan Yuk Yiu
摘要： A vacuum cleaner includes an improved dual-action filter cleaning mechanism using both a rotational flicking action and a vertical shaking action. A debris removal assembly of the vacuum cleaner can include a filter assembly having a first filter and a second filter arranged in a nested configuration, and a filter cleaning mechanism configured to impart a combination of vertical shaking of the first filter and rotational flicking of the second filter. The filter cleaning mechanism can include a camming mechanism configured to simultaneously move the first filter along the axis and rotate the first filter about the axis while the second filter remains stationary.
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公开(公告)号：US11337571B2
公开(公告)日：2022-05-24
申请号：US16367898
申请日：2019-03-28
发明人： Yong Jian Gu , Ying Chun Wong
摘要： A surface cleaning apparatus includes a base unit configured to be moved over a surface to be cleaned, an upper unit coupled with the base unit, and a handle coupled with the upper unit and moveable between a folded position and an upright position.
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公开(公告)号：US10966586B2
公开(公告)日：2021-04-06
申请号：US16599280
申请日：2019-10-11
发明人： Michael Luyckx , Jacob Resch
摘要： A surface cleaning apparatus includes include at least a recovery system for removing the spent cleaning fluid and debris from the surface to be cleaned and storing the spent cleaning fluid and debris. The recovery system is provided with a recovery tank having a removably strainer that is configured to strain large debris and hair out of the recovery tank prior to emptying the recovery tank.
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公开(公告)号：US10550508B2
公开(公告)日：2020-02-04
申请号：US15616313
申请日：2017-06-07
发明人： Joseph P. Perry , Jay M. Kellis , Michael Luyckx
摘要： A system for treating stains on a surface includes a portable, unattended heating device having a housing, a heating plate, and a controller operably coupled with the heating plate, wherein the controller is configured to actuate the heating plate. The system can further include a stain treatment pad wetted with a liquid treating chemistry, and the portable, unattended heating device is adapted to rest on and heat the stain treatment pad to treat a stain, including releasing, transferring and removing the stain from the surface to be cleaned.
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公开(公告)号：US10398280B2
公开(公告)日：2019-09-03
申请号：US15435958
申请日：2017-02-17
发明人： Alan J. Krebs , Ming Luo , Jin Yang
IPC分类号： A47L13/22 , A47L11/40 , A47L11/26 , B08B3/10 , A47L13/254
摘要： A surface cleaning apparatus, such as a steam mop, includes a steam delivery system having a steam delivery pathway. A fragrance dispenser for receiving a fragrant material is provided on the apparatus, and a portion of the steam delivery pathway is in in heat exchange relationship with the fragrance dispenser to heat the fragrant material in the fragrance dispenser by heat transfer from the steam in the pathway. Fragrance is dispensed from apparatus via heat transfer utilizing the steam pathway as a thermal radiation source.
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公开(公告)号：US10327615B2
公开(公告)日：2019-06-25
申请号：US15406100
申请日：2017-01-13
发明人： Gang Huang , Jian Yun Pi
摘要： A surface cleaning apparatus has a fluid distribution system for storing and delivering fluid to a surface to be cleaned, and includes a steam nozzle in fluid communication with a steam generator. A pad mounting plate is adapted to mount a cleaning pad to the apparatus, and has a steam orifice in fluid communication with the steam nozzle. A flexible seal is provided between the steam nozzle and the pad mounting plate to seals a space between the steam nozzle and the steam orifice to prevent steam leaks.
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公开(公告)号：US10271703B2
公开(公告)日：2019-04-30
申请号：US15684278
申请日：2017-08-23
发明人： Phong H. Tran , Steve Butkiewicz
摘要： A vacuum cleaner has a housing and a cover moveably mounted to the housing between a closed position and an open position. A filter is carried by the cover and includes an upstream surface and a downstream surface through which working air passes. When a user of the vacuum cleaner opens the cover, the upstream surface of the filter can be seen by the user.
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公开(公告)号：US10188252B2
公开(公告)日：2019-01-29
申请号：US15263960
申请日：2016-09-13
摘要： A surface cleaning apparatus is provided with a nozzle cover having multiple functions, including sealing an opening for an above-the-floor vacuum hose, aiding in removal of a suction nozzle from the apparatus and acting as a handle for the suction nozzle upon removal of the suction nozzle from the apparatus. A locking mechanism prevents the suction nozzle from accidentally releasing from the apparatus when the vacuum hose is installed.
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公开(公告)号：US10182692B2
公开(公告)日：2019-01-22
申请号：US15144213
申请日：2016-05-02
发明人： Phong H. Tran
摘要： A vacuum cleaner includes a cyclone separator, a collection chamber below the cyclone separator, a pre-motor filter downstream from the cyclone separator, and an openable cover above the pre-motor filter. The cover provides access to an upstream surface of the pre-motor filter when open, and forms an outer surface of the vacuum cleaner that is angled forwardly at an incline.
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公开(公告)号：US10178934B2
公开(公告)日：2019-01-15
申请号：US15228303
申请日：2016-08-04
摘要： A method of cleaning a surface with an extractor having a fluid supply system and a fluid recovery system includes applying a cleaning fluid to a surface, applying suction to the surface to remove the applied cleaning fluid from surface, and selectively interrupting the suction to the surface for a selected time to increase dwell time of the cleaning fluid on the surface.
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