公开(公告)号：US09849412B2

公开(公告)日：2017-12-26

申请号：US15234285

申请日：2016-08-11

Applicant: SNECMA

Inventor： Baptiste Benoit Colotte ,  Valerio Gerez ,  Gilles Claude Gabriel Massot

IPC: B01D35/14 ,  B01D37/04 ,  B01D35/143 ,  B01D35/147 ,  F02C7/06 ,  F02C7/22

CPC classification number: B01D35/143 ,  B01D35/147 ,  B01D37/046 ,  F02C7/06 ,  F02C7/22 ,  F05D2220/323

Abstract: A method of detecting clogging of a fluid filter is disclosed. The method includes measuring, at successive sampling instants, the pressure difference ΔP from upstream to downstream across the filter, calculating the first time derivative {ΔP}′ of the pressure difference ΔP at different instants, and then sending a clogging signal SC representative of the filter being clogged when the first derivative {ΔP}′ is equal to zero.