公开(公告)号：US20170245712A1

公开(公告)日：2017-08-31

申请号：US15445233

申请日：2017-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Jungkyu SON ,  Bohyun NAM ,  Jaeyong PARK ,  Sehwan BAE ,  Jonghyun SEO ,  Jinwoo LEE

IPC: A47L9/28 ,  A47L9/12 ,  A47L9/10 ,  A47L9/24 ,  A47L5/36 ,  A47L9/00

CPC classification number: A47L9/2852 ,  A47L5/362 ,  A47L9/00 ,  A47L9/0081 ,  A47L9/009 ,  A47L9/108 ,  A47L9/122 ,  A47L9/1608 ,  A47L9/1683 ,  A47L9/22 ,  A47L9/242 ,  A47L9/28 ,  A47L9/2805 ,  A47L9/2857 ,  A47L9/2884 ,  A47L9/327

Abstract: Provided is a vacuum cleaner including a cleaner body of which a center of gravity is disposed at a rear side further than a rotating center thereof; one pair of moving wheels provided at both side surfaces of the cleaner body and configured to rotatably support the cleaner body and also to be rotated for travelling; and a rear wheel unit provided at a bottom surface of the cleaner body and configured to elastically support the cleaner body at a rear of the pair of moving wheels, wherein the rear wheel unit includes a supporting part rotatably installed at the bottom surface of the cleaner body and rotated in a rotating direction of the cleaner body; an elastic portion configured to extend from one side of the supporting part and to be elastically deformed by being in contact with the bottom surface of the cleaner body when the supporting part is rotated; a rotating member shaft-coupled to the supporting part and installed to be rotatable in a direction intersecting with a rotating direction of the supporting part; and a rear wheel installed at the rotating member and rolled while being in contact with the ground.

公开(公告)号：US20170245708A1

公开(公告)日：2017-08-31

申请号：US15445494

申请日：2017-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Jungkyu SON ,  Bohyun NAM ,  Jaeyong PARK ,  Sehwan BAE ,  Jonghyun SEO ,  Jinwoo LEE

IPC: A47L5/36 ,  A47L9/12 ,  A47L9/24 ,  A47L9/28 ,  A47L9/00 ,  A47L9/10

Abstract: Provided is a vacuum cleaner including a base configured to form a lower surface of a cleaner body; moving wheels provided at both side surfaces of the cleaner body and rotated for travel of the vacuum cleaner and also configured to support the cleaner body to be rotated in normal and reverse directions; and a dust container installed at a front of the moving wheels and configured to collect suctioned dust, wherein the base includes a center portion; a first half portion configured to extend to be inclined upward from a front end of the center portion; and a second half portion configured to extend to be inclined upward from a rear end of the center portion, and a rotating center of the moving wheels is located between the first half portion and the second half portion.

公开(公告)号：US20170245707A1

公开(公告)日：2017-08-31

申请号：US15445493

申请日：2017-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Jungkyu SON ,  Bohyun NAM ,  Jaeyong PARK ,  Sehwan BAE ,  Jonghyun SEO ,  Jinwoo LEE

IPC: A47L5/36 ,  A47L9/12 ,  A47L9/24 ,  A47L9/28 ,  A47L9/00 ,  A47L9/10

Abstract: Provided is a vacuum cleaner including a cleaner body disposed at a position distant from the ground; moving wheels rotatably installed at both sides of the cleaner body and configured to rotatably support the cleaner body; a dust container installed at a front surface of the cleaner body located at a front of the moving wheels and configured to collect suctioned dust; and a suction hose connected to the front surface of the cleaner body and through which the dust is suctioned, wherein a center of gravity of the cleaner body is located at a rear side further than a vertical extension line of a rotating center of the moving wheels, and a rear end of the cleaner body becomes closer to the ground when travel of the vacuum cleaner is stopped.

公开(公告)号：US20160296091A1

公开(公告)日：2016-10-13

申请号：US15080885

申请日：2016-03-25

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun SEO

IPC: A47L11/40

CPC classification number: A47L11/4005 ,  A47L9/00 ,  A47L9/28 ,  A47L9/2889

Abstract: A vacuum cleaner is provided. The vacuum cleaner may include a cleaner body having a suction head that communicates with the cleaner body and a suction motor assembly to generate a suction force. The suction motor assembly may include a motor, a motor housing having a chamber to accommodate the motor, a housing cover configured to cover the motor housing and provided with an air inlet, a circuit board provided at an outside of the motor chamber and having at least one heat generating component installed thereupon, and a heat sink provided at the chamber and in contact with the at least one heat generating component. An installation part to install the circuit board may be provided at the motor housing.

Abstract translation: 提供吸尘器。 真空吸尘器可以包括具有与吸尘器本体连通的吸头的吸尘器主体和用于产生抽吸力的抽吸马达组件。 抽吸马达组件可以包括马达，具有容纳马达的腔室的马达壳体，构造成覆盖马达壳体并设置有空气入口的壳体盖，设置在马达室外部的电路板， 安装在其上的至少一个发热部件和设置在所述室处并与所述至少一个发热部件接触的散热器。 安装电路板的安装部件可以设置在电动机壳体上。