公开(公告)号：US20180216618A1

公开(公告)日：2018-08-02

申请号：US15882837

申请日：2018-01-29

Applicant: LG ELECTRONICS INC.

Inventor： Jaeheon JEONG

IPC: F04C28/26 ,  F04C18/02

Abstract: A scroll compressor including a casing; a compression unit provided in an inner space of the casing to form a compression chamber by a pair of two scrolls; a bypass hole provided in the compression unit to bypass refrigerant suctioned into the compression chamber to the inner space of the casing; a bypass valve configured to selectively open and close the bypass hole to vary a compression capacity of the compression chamber; a back pressure chamber provided on a rear side of either one of the pair of two scrolls to support the scroll in the other scroll direction; a back pressure passage configured to communicate between the compression chamber and the back pressure chamber; and a back pressure valve configured to selectively open and close the back pressure passage.

公开(公告)号：US20190219055A1

公开(公告)日：2019-07-18

申请号：US15960266

申请日：2018-04-23

Applicant: LG ELECTRONICS INC.

Inventor： Minjae KIM ,  Jaeheon JEONG ,  Jinhak CHOI

IPC: F04C28/26 ,  F04C18/02 ,  F04C27/00

CPC classification number: F04C28/265 ,  F04C18/0215 ,  F04C27/008

Abstract: A scroll compressor including a bypass passage to guide compressed refrigerant from a compression chamber to a low pressure portion of the compressor; a valve that is inserted in a valve receiving portion and slides between first and second positions in which the bypass passage is respectively closed and opened; a ring-shaped seal between an outer peripheral surface of the valve and an inner peripheral surface of the valve receiving portion; and a seal groove formed in at least one of the outer peripheral surface of the valve and the inner peripheral surface of the valve receiving portion, the seal being inserted into the seal groove, wherein at least one of the outer peripheral surface of the valve, the inner peripheral surface of the valve receiving portion, and the inner peripheral surface of the seal groove has an inclined surface that is inclined in the opening/closing direction of the valve.

公开(公告)号：US20160051109A1

公开(公告)日：2016-02-25

申请号：US14814067

申请日：2015-07-30

Applicant: LG ELECTRONICS INC.

Inventor： Mantae HWANG ,  Philjae HWANG ,  Jaeheon JEONG

IPC: A47L9/28

CPC classification number: A47L9/2873 ,  A47L5/225 ,  A47L5/24 ,  A47L5/28 ,  A47L9/2884

Abstract: A vacuum cleaner is provided. The vacuum cleaner includes: a cleaner main body including a nozzle assembly into which air including foreign substances is suctioned, a collecting portion that collects the suctioned foreign substances, a suction device that generates a suction force, and a battery for supplying power to the suction device; and a charging stand including support portions on which the cleaner main body is seated, and a battery charging portion for performing charging of a replacement battery.

Abstract translation: 提供吸尘器。 真空吸尘器包括：吸尘器主体，其包括吸入含有异物的空气的喷嘴组件，收集被吸入的异物的收集部分，产生吸力的吸引装置和用于向吸力供给电力的电池 设备; 以及充电台，其包括支撑部，吸尘器主体所在的充电台以及用于对替换电池进行充电的电池充电部。