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公开(公告)号：US10154767B2
公开(公告)日：2018-12-18
申请号：US15305000
申请日：2015-04-22
摘要： An electric vacuum cleaner includes a main body case, driving wheels, and a cleaning portion. The main body case includes an electric blower, and a dust collecting portion communicating with a suction side of the electric blower. The driving wheels allow the main body case to travel on the surface to be cleaned. The cleaning portion includes a main body portion, the suction port, and wheels. The main body portion with a bottom surface portion facing the surface to be cleaned is located in a lower portion of the main body case and can move up and down. The suction port is provided on the bottom surface portion and communicates with the dust collecting portion. The wheels protrude downward from the bottom surface portion to contact the surface to be cleaned, thereby causing the main body portion to move up and down to trace the surface to be cleaned.
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公开(公告)号：US20180296049A1
公开(公告)日：2018-10-18
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：US10048694B2
公开(公告)日：2018-08-14
申请号：US15109354
申请日：2015-01-09
发明人： Kouichi Abe
IPC分类号： G05D1/02
摘要： A vacuum cleaner includes a first transmitting unit transmitting a signal including first identification information with directivity of a predetermined width, and a first receiving unit receiving a signal with directivity wider than directivity of the first transmitting unit. A charger includes a second receiving unit receiving the signal including the first identification information, and a second transmitting unit transmitting a signal including second identification information when the second receiving unit receives the signal including the first identification information. A first control unit controls, when the signal including the second identification information is received by the first receiving unit, drive of a motor to allow a body case to travel based on a direction that the signal including the first identification information is transmitted.
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84.发明申请公开(公告)号：US20180149284A1
公开(公告)日：2018-05-31
申请号：US15880646
申请日：2018-01-26
CPC分类号： F16K31/0655 , D06F39/08 , F16K1/385 , F16K31/408 , F16K47/08
摘要： A liquid electromagnetic valve includes an inlet connected to an external liquid source; an outlet discharging liquid entering from the inlet; a flow path forming member having a flow path connecting the inlet and the outlet formed thereto; an opening-closing member capable of opening and closing the flow path; a drive portion opening and closing the opening-closing member based on a control performed by an external element; and a minute bubble generator provided in the flow path and having plural narrowing portions for adding minute bubbles to a liquid passing through the flow path by narrowing the flow path in plural stages.
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公开(公告)号：US20170273528A1
公开(公告)日：2017-09-28
申请号：US15503879
申请日：2015-08-21
CPC分类号： A47L9/2826 , A47L5/22 , A47L9/00 , A47L9/009 , A47L9/0411 , A47L9/0477 , A47L9/28 , A47L9/2852 , A47L9/2873 , A47L9/2884 , A47L9/2894 , A47L2201/022 , A47L2201/04 , G05D1/0246 , G05D2201/0215 , H04N7/185 , H04N7/188
摘要： A vacuum cleaner capable of recording an abnormality immediately upon occurrence of the abnormality. The vacuum cleaner has a main casing. The vacuum cleaner has driving wheels for enabling the main casing to travel. The vacuum cleaner has a control unit for controlling drive of the driving wheels to make the main casing autonomously travel. The control unit has a function as an abnormality sensor for detecting an abnormality. The vacuum cleaner has a camera for picking up an image. The control unit has a cleaning mode for cleaning a cleaning-object surface, an image pickup mode for performing image pickup with the camera, and a standby mode applied during a standby state. Upon detection of an abnormality during the cleaning mode, the control unit is switched over to the image pickup mode to perform image pickup with the camera.
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公开(公告)号：US20170235309A1
公开(公告)日：2017-08-17
申请号：US15503867
申请日：2015-08-21
发明人： Syu NAKANISHI
摘要： A vacuum cleaner capable of smoothly traveling along an obstacle. A control unit has modes of travel control and directional change control. In the travel control, while a distance between a main casing and a sideward obstacle detected by a distance measuring sensor is kept within a specified distance range, a motor is driven so as to make the main casing travel along the obstacle. In the directional change control, when an obstacle forward of the main casing is detected by a contact sensor during the travel control, the motor is driven so as to make the main casing change in advancing direction along the detected forward obstacle. The directional change control includes at least swing control for driving the motor so as to make the main casing swing to a specified swing angle while disregarding a distance detected by the distance measuring sensor.
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公开(公告)号：US20170234318A1
公开(公告)日：2017-08-17
申请号：US15420508
申请日：2017-01-31
发明人： Go OSHIKIRI
IPC分类号： F04D25/06 , F04D29/62 , F04D29/053 , F04D17/08 , F04D29/056
CPC分类号： F04D29/056 , F04D29/023 , F04D29/051 , F05D2230/23 , F05D2260/36 , F16C35/077 , F16C2226/40 , F16C2360/46 , H02K5/1675
摘要： The present invention proposes an electric blower which can strongly hold and fix a sleeve onto a frame, and eventually provide high reliability. An electric blower 1 includes a centrifugal fan 2; a shaft 9 installed integrally rotatably with the centrifugal fan 2; a sleeve 16; a bearing 17 provided in the sleeve 16 and adapted to rotatably support the shaft 9; a diffuser 6 provided with a through hole 21 in which the sleeve 16 is fixed; a recess 41 provided in an outer circumferential surface of the sleeve 16; and a stopper 43 filling a gap between the diffuser 6 and the recess 41 and adapted to harden and thereby prevent the sleeve 16 from being detached from the through hole 21.
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公开(公告)号：US20170231452A1
公开(公告)日：2017-08-17
申请号：US15503520
申请日：2015-08-21
发明人： Seiji SAITO , Koichi WATANABE
IPC分类号： A47L9/28
CPC分类号： A47L9/2852 , A47L9/28 , A47L9/2805 , A47L9/2873 , A47L9/2894 , A47L2201/022 , A47L2201/04 , G05D1/02
摘要： In a first mode, a control unit controls operation of driving wheels so that a main casing is made to travel straight and, upon detection of an object by an object sensor, the main casing is changed in traveling direction and made to travel straight. In a second mode, the control unit controls the operation of the driving wheels so that the main casing travels in a curved shape along an object detected by the object sensor. When a charging device is not found by a signal reception part during traveling within a region by the first mode, the control unit is changed over to the second mode. The control unit is changed over to the first mode when it is decided a specified number of times or more that the main casing has moved to a different region by the second mode.
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公开(公告)号：US20170215672A1
公开(公告)日：2017-08-03
申请号：US15305055
申请日：2015-04-16
发明人： Kota WATANABE , Hirokazu IZAWA , Kazuhiro FURUTA , Yuuki MARUTANI
CPC分类号： A47L9/2852 , A47L9/009 , A47L9/0411 , A47L9/28 , A47L9/2826 , A47L9/2857 , A47L9/2873 , A47L9/2894 , A47L2201/022 , A47L2201/04 , G05D1/0011 , G05D1/0022 , G05D1/0238
摘要： A vacuum cleaner main body includes a main body case, a camera provided in the main body case and that can perform imaging at a given angle of view, a driving wheel that allows the main body case to travel, and a controller. The controller includes at least a traveling mode and an imaging mode. In the traveling mode, the controller controls the drive of the driving wheel to allow the main body case to travel autonomously. In the imaging mode, the controller controls the main body case to autonomously travel to a given imaging position so that the camera sequentially images still images in a plurality of adjacent directions at an angle equal to or smaller than the angle of view. The vacuum cleaner main body can securely image, with the camera, a wide range without any blind spots.
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公开(公告)号：US20170181593A1
公开(公告)日：2017-06-29
申请号：US15304899
申请日：2015-04-22
CPC分类号： A47L9/2852 , A47L9/009 , A47L9/04 , A47L9/0477 , A47L9/28 , A47L9/2805 , A47L2201/04
摘要： A vacuum cleaner includes a main casing, driving wheels, side brushes, an obstacle sensor, and a controller. The driving wheels enable the main casing to travel. The side brushes are reciprocatively movable in both a direction of protruding from an outer frame of the main casing and its opposite direction, enabling cleaning of dust and dirt located outside the outer frame of the main casing. The obstacle sensor detects an obstacle by detecting a movement of the side brush in the opposite direction due to its contact with the obstacle. The controller controls drive of the driving wheels based on detection of an obstacle by the obstacle sensor to make the main casing autonomously travel. The vacuum cleaner can detect an obstacle at a position of a side brush while securely cleaning dust and dirt located outside an outer frame of a main casing by the side brush.
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