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公开(公告)号：US11141033B2
公开(公告)日：2021-10-12
申请号：US16323080
申请日：2017-05-29
发明人： Masamichi Une , Yousuke Yajima
IPC分类号： A47L9/28
摘要： An electric vacuum cleaner including: a secondary battery; an electric blower that generates negative pressure by consuming electricity stored in the rechargeable battery; and a control unit that controls driving of the electric blower, and changes discharge current of the rechargeable battery based on the difference between terminal voltage of the rechargeable battery while the electric blower is stopped and terminal voltage of the rechargeable battery after a predetermined time has elapsed since the electric blower has been started up. The electric vacuum cleaner can continue driving of an electric blower and increase operation time even in the state that the internal resistance of a rechargeable battery is increased.
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公开(公告)号：US10932635B2
公开(公告)日：2021-03-02
申请号：US15768360
申请日：2016-10-12
发明人： Hirokazu Izawa , Yuuki Marutani , Kota Watanabe , Kazuhiro Furuta
摘要： A vacuum cleaner having improved obstacle detection precision. The vacuum cleaner includes a main casing, driving wheels, control unit, cameras, an image generation part, and a discrimination part. The driving wheels enable the main casing to travel. The control unit controls drive of the driving wheels to make the main casing autonomously travel. The cameras are disposed apart from each other in the main casing to pick up images on a traveling-direction side of the main casing. The image generation part generates a distance image of an object positioned on the traveling-direction side based on the images picked up by the cameras. The discrimination part discriminates whether or not the picked-up object is an obstacle based on the distance image generated by the image generation part.
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公开(公告)号：US20210026369A1
公开(公告)日：2021-01-28
申请号：US16767429
申请日：2018-12-10
发明人： Hirokazu IZAWA , Yuuki MARUTANI , Kota WATANABE , Kazuhiro FURUTA
摘要： A smaller-sized vacuum cleaner capable of controlling traveling with high precision. A vacuum cleaner includes a main casing capable of traveling, a traveling/sensor type CPU configured to control traveling of the main casing, a plurality of cameras mounted on the main casing, and an image processor having the functions of an image input, image processor, self-position estimator, and map generator. The image processor acquires image data from at least two cameras out of the plurality of cameras. The image processor performs image processing to the acquired image data. The image processor estimates a self-position on the basis of the image data subjected to the image processing. The image processor generates a map of a traveling area where the main casing travels, on the basis of the image data subjected to the image processing.
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公开(公告)号：US20210007570A1
公开(公告)日：2021-01-14
申请号：US16978876
申请日：2019-01-23
摘要： An autonomous traveling type vacuum cleaner capable of cleaning an area closely adjacent to an obstacle of a floor surface, and the control method therefor. A main body includes a front face part formed in a linear shape. A detector detects an obstacle in a traveling direction of the main body. A traveling part makes the front face part of the main body face the obstacle and makes the main body travel to the obstacle, on the basis of the result detected by the detector. A cleaning unit, which is disposed on a front portion of the main body, cleans a cleaning-object surface in the state where the traveling part has made the main body travel to the obstacle.
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公开(公告)号：US20200178751A1
公开(公告)日：2020-06-11
申请号：US16680721
申请日：2019-11-12
发明人： Hironori Sasaki , Takahiro Murosaki
摘要： To provide an electric vacuum cleaning apparatus that can disinfect the surface to be cleaned by atomizing electrolyzed water containing hypochlorous acid and spraying or spreading the atomized electrolyzed water to this surface while moving on this surface. The electric vacuum cleaning apparatus includes: an electric blower that generates suction vacuum pressure; a suction air passage equipped with a suction port and fluidly connected to a suction side of the electric blower; an electrolyzed-water generator that electrolyzes water to produce electrolyzed water containing hypochlorous acid; and an atomizer that atomizes the electrolyzed water produced by the electrolyzed-water generator and supplies the atomized electrolyzed water to a surface to be cleaned.
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公开(公告)号：US20200178742A1
公开(公告)日：2020-06-11
申请号：US16623677
申请日：2018-06-22
发明人： Masatoshi TANAKA , You TORIZAWA , Yukio MACHIDA
摘要： An electric vacuum cleaner and an electric vacuum cleaning apparatus that can accumulate dust intensively near its waste lid and can readily discharge the accumulated dust. An electric vacuum cleaner includes: a first separator that separates dust from dust-containing air; a coarse-dust collecting chamber that accumulates the dust separated with the first separator; a coarse-dust waste-outlet that discharges the dust from the coarse-dust collecting chamber; a recess part provided within the coarse-dust collecting chamber, communicates with the coarse-dust waste-outlet, and accumulates dust inside the coarse-dust collecting chamber; and a waste-outlet lid that is part of a wall of the recess part and opens and closes the coarse-dust waste-outlet.
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公开(公告)号：US20200077851A1
公开(公告)日：2020-03-12
申请号：US16063080
申请日：2016-11-24
发明人： Yutaka KASHIHARA
摘要： In a dust station, a suction part is connected selectively to one of a first suction port and a second suction port. In a state where the first suction port is connected to the suction part, a dust-collecting control unit drives the suction part and also automatically stops the suction part after elapsing of a first specified period of time. In a state where the second suction port is connected to the suction part, the dust-collecting control unit drives the suction part, and enables stopping the suction part through specified operation and also stops the suction part automatically when the suction part is not stopped even after elapsing of a second specified period of time or longer in a state where the suction part is driven, the second specified period of time being different from the first specified period of time.
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公开(公告)号：USD876736S1
公开(公告)日：2020-02-25
申请号：US29645914
申请日：2018-04-30
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公开(公告)号：US10531779B2
公开(公告)日：2020-01-14
申请号：US15400039
申请日：2017-01-06
摘要： An electric vacuum cleaning apparatus that offers a high degree of convenience is provided that is capable of easily switching between a function that empties dust from an electric vacuum cleaner by moving dust collected by the cleaner to a station and accumulating the dust at the station, and a function that accumulates dust that is swept up together after quickly performing localized cleaning using an cleaning implement other than the cleaner at the station. An electric vacuum cleaning apparatus 1 includes: a dust transfer pipe 22 that is connected to an autonomous robotic vacuum cleaner 2, and that sucks in dust collected by the cleaner 2; a suction passage 61 that sucks in other dust that is different to dust collected by the cleaner 2; a secondary dust container 28 that is connected to the pipe 22 and the suction passage 61; an electric blower 29 that applies a negative pressure to the pipe 22 and the suction passage 61; and a switching valve unit 72 that is capable of switching a channel that is connected to the dust container 28 so as to allow either one of, and block the other of, flowing between the pipe 22 and the dust container 28 and flowing between the suction passage 61 and the dust container 28.
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公开(公告)号：US10371439B2
公开(公告)日：2019-08-06
申请号：US14663355
申请日：2015-03-19
发明人： Yuuki Marutani , Kazuhiro Furuta , Takuya Mashimo
摘要： A refrigerator includes an outside environment information obtaining unit including at least one of a sound obtaining unit configured to obtain outside environment information and an imaging unit configured to image an outside environment, the outside environment information obtaining unit being configured to obtain outside environment information which is capable of grasping an outside situation and a communication unit configured to communicate with an external device connected thereto via a network, thereby rendering the outside environment information obtained by the outside environment information obtaining unit referable at the external device side.
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