公开(公告)号：US20210285714A1

公开(公告)日：2021-09-16

申请号：US16341300

申请日：2017-09-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kwang Su HEO ,  Young-Bae HONG ,  Ki-Hyun KIM ,  Jong-hoon OH

IPC: F25D17/08 ,  F25D17/06 ,  F25D23/06

Abstract: A refrigerator having a cool air circulation unit for directly supplying heat-exchanged cool air to a storage compartment is disclosed. The cool air circulation unit supplies and discharges the cool air, which has been heat-exchanged in an evaporator, to and from the storage compartment through a flow passage provided inside a partition.

公开(公告)号：US20170332861A1

公开(公告)日：2017-11-23

申请号：US15670660

申请日：2017-08-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun KIM ,  Sang Won LEE ,  Dong Suk KO ,  Jin Hyung PARK ,  Eung Ryeol SEO ,  Hyeon Joon OH ,  Joo Yong LEE ,  Jae Ho CHOI ,  Kwang Su HEO

IPC: A47L9/22 ,  A47L9/00 ,  F04D29/62 ,  F04D29/44 ,  F04D29/42

CPC classification number: A47L9/22 ,  A47L9/0081 ,  A47L2201/00 ,  F04D29/4206 ,  F04D29/444 ,  F04D29/626 ,  F05D2250/52

Abstract: A cleaning device includes an inhalation unit to generate inhalation force to inhale air into a main body, the inhalation unit comprising: an impeller that is rotatable; an impeller cover having an inlet damper formed therein; and a return channel that is coupled to the impeller cover so that the impeller is capable of being accommodated in the return channel and that is directly coupled to the impeller so that air passing through the impeller is capable of being introduced into the return channel, the return channel comprising: an inner frame; and an outer frame at an outer side of the inner frame so as to be spaced apart from the inner frame.