VENT FILTER AND RADIO REMOTE UNIT - ERICSSON TELEFON AB L M

Title:

VENT FILTER AND RADIO REMOTE UNIT

Document Type and Number:

WIPO Patent Application WO/2019/200511

Kind Code:

A1

Abstract:

A vent filter(100) includes a first member(10) including a first body(12) having a ventilation path(1) extending through the first body(12), an inner wall(14) constituting a ventilation hole(3) which is communicated with the ventilation path(1), and an outer wall(16) constituting a gap(5) between the inner wall(14) and the outer wall(16); and a second member(20) including a second body(22) and at least one enclosure wall(24) protruding out from the second body(22), wherein at least one of the at least one enclosure wall(24) is located outside the outer wall(16) and surrounding the outer wall(16). Both the inner wall(14) and outer wall(16) have at least one first groove(7,9) at an end and each of the at least one enclosure wall(24) has at least one second groove(27,29) at an end. A Radio Remote Unit comprises the vent filter(100). It can achieve the waterproof function to the rainwater, while the heat can be dissipated out via the ventilation of air.

Inventors:

SONG XIAOGANG (CN)
DUAN PINGHUA (CN)
PAN GUANGHUA (CN)
YANG ZHEN (CN)
DOU JINHUI (CN)
YING ZHAN (CN)
GE PENGXIAO (CN)
XU PENG (CN)

Application Number:

PCT/CN2018/083205

Publication Date:

October 24, 2019

Filing Date:

April 16, 2018

Export Citation:

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Assignee:

ERICSSON TELEFON AB L M (SE)
SONG XIAOGANG (CN)

International Classes:

H05K7/20

Domestic Patent References:

WO2013136642A1

2013-09-19

Foreign References:

CN201774773U	2011-03-23
CN202603082U	2012-12-12
CN101868131A	2010-10-20
CN202140648U	2012-02-08
CN201909072U	2011-07-27
US5558244A	1996-09-24
US20170276230A1	2017-09-28
DE102010029796A1	2011-12-08
EP0157285A2	1985-10-09

Other References: