发明名称 |
PROCESS OF PRODUCTION OF AN ELECTRET FILTER |
摘要 |
A method for manufacturing an electret filter element includes preparing fibers and producing, by a spray device, a spray mist of fluid droplets which include an electrical charge formed by an electric field between detaching fluid droplets and a counter-electrode. The fibers are passed through the spray mist so as to wet the fibers with the fluid droplets. The fibers are laid down to form a fibrous layer. |
申请公布号 |
EP2326402(B1) |
申请公布日期 |
2016.10.05 |
申请号 |
EP20090778154 |
申请日期 |
2009.08.27 |
申请人 |
CARL FREUDENBERG KG |
发明人 |
VEESER, KLAUS;KRAUSE, MARTIN;GIANG, TOAN-HIEU;ZABOLD, JOCHEN |
分类号 |
D04H3/02;B01D39/16;D06M11/05;D06M11/13;D06M11/76;D06M23/06 |
主分类号 |
D04H3/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|