公开(公告)号：US20210169195A1

公开(公告)日：2021-06-10

申请号：US15734675

申请日：2020-02-05

Applicant: FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION

Inventor： Young Jin JEONG ,  Hyeon Jun SONG

IPC: A45D20/12 ,  H01M50/213 ,  H01M50/247 ,  H01M50/264 ,  H01M10/48 ,  H01M10/613 ,  H01M10/623 ,  H01M10/653 ,  H01M10/6551

Abstract: A high-efficiency cordless hair dryer according to an exemplary embodiment of the present invention may include: a main body housing having, at a rear side thereof, an air inlet port through which air is introduced, having, at a front side thereof, a discharge port through which the air is discharged, and having an internal space in which a heating element is mounted; and a power supply module configured to supply power and detachably coupled to the rear side of the main body housing at which the air inlet port is formed, in which the power supply module is detachably coupled to the main body housing so as to be coincident with a direction of a flow of air in the main body housing.

公开(公告)号：US20210289907A1

公开(公告)日：2021-09-23

申请号：US17272683

申请日：2019-11-07

Applicant: Foundation of Soongsil University-Industry Cooperation

Inventor： Young Jin JEONG ,  Jae Woo CHUNG ,  Hyeon Jun SONG

IPC: A45D20/12

Abstract: Provided is a cordless hair dryer. The cordless hair dryer includes a housing including a body part gripped by a user and a head part having a blower tube therein, a battery disposed inside the body part, a blower fan disposed in one end of the head part, a support which is inserted into the other end of the head part and fixed to an inner side of the blower tube, and a planar heating element which is formed as a carbon nanotube sheet and disposed on the support to receive power from the battery.