公开(公告)号：US20210391762A1

公开(公告)日：2021-12-16

申请号：US17460002

申请日：2021-08-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jun CHEN ,  Fei BIAN ,  Quanming LI

IPC: H02K1/32 ,  H02K9/19

Abstract: This application provides a rotor of a motor, including: a rotating shaft, provided with at least one first liquid outlet; a first end plate, disposed on an outer wall of the rotating shaft and perpendicular to the rotating shaft, where an inlet of at least one third passageway is provided on the first end plate; a second end plate, disposed on the outer wall of the rotating shaft and perpendicular to the rotating shaft, where an outlet of the at least one third passageway is provided on the second end plate; and a plurality of lamination sheets, disposed between the first end plate (103) and the second end plate, where at least one second through hole on each of the plurality of lamination sheets forms the at least one third passageway.

公开(公告)号：US20190215985A1

公开(公告)日：2019-07-11

申请号：US16358334

申请日：2019-03-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yong ZHENG ,  Bin WANG ,  Fei BIAN

IPC: H05K7/20 ,  H01Q1/42 ,  H01Q1/00 ,  H01Q1/24 ,  H01Q1/02

Abstract: A remote radio unit, which includes a housing, a ventilation air channel, and a circuit component, where the housing is a sealed hollow cavity; the ventilation air channel passes through the housing, a top end of the ventilation air channel is connected to a top end surface of the housing in a sealed manner, and a bottom end of the ventilation air channel is connected to a bottom end surface of the housing in a sealed manner; and the circuit component is disposed inside the cavity, and is in contact with an external surface of a side wall of the ventilation air channel, so that heat generated by the circuit component is dissipated through the ventilation air channel.

公开(公告)号：US20190124787A1

公开(公告)日：2019-04-25

申请号：US16227135

申请日：2018-12-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yong ZHENG ,  Bin WANG ,  Fei BIAN

IPC: H05K7/20 ,  H01Q1/42 ,  H01Q1/00 ,  H01Q1/24 ,  H01Q1/02

Abstract: A remote radio unit, which includes a housing, a ventilation air channel, and a circuit component, where the housing is a sealed hollow cavity; the ventilation air channel passes through the housing, a top end of the ventilation air channel is connected to a top end surface of the housing in a sealed manner, and a bottom end of the ventilation air channel is connected to a bottom end surface of the housing in a sealed manner; and the circuit component is disposed inside the cavity, and is in contact with an external surface of a side wall of the ventilation air channel, so that heat generated by the circuit component is dissipated through the ventilation air channel.

公开(公告)号：US20170223868A1

公开(公告)日：2017-08-03

申请号：US15487885

申请日：2017-04-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yong ZHENG ,  Bin WANG ,  Fei BIAN

IPC: H05K7/20 ,  H01Q1/24 ,  H01Q1/00 ,  H01Q1/42 ,  H01Q1/02

CPC classification number: H05K7/20145 ,  H01Q1/002 ,  H01Q1/02 ,  H01Q1/241 ,  H01Q1/42 ,  H01Q1/421 ,  H05K7/20163

Abstract: A remote radio unit, which includes a housing, a ventilation air channel, and a circuit component, where the housing is a sealed hollow cavity; the ventilation air channel passes through the housing, a top end of the ventilation air channel is connected to a top end surface of the housing in a sealed manner, and a bottom end of the ventilation air channel is connected to a bottom end surface of the housing in a sealed manner; and the circuit component is disposed inside the cavity, and is in contact with an external surface of a side wall of the ventilation air channel, so that heat generated by the circuit component is dissipated through the ventilation air channel.