公开(公告)号：US10788458B2

公开(公告)日：2020-09-29

申请号：US15394566

申请日：2016-12-29

Applicant: MSA TECHNOLOGY, LLC

Inventor： Jerin Miller ,  Ryan Alan Sherry ,  Robert Kevin Sexton ,  Robert Eric Uber

IPC: G01N29/04 ,  G01N29/07 ,  G01N29/34 ,  G01N29/11 ,  G01N33/00 ,  G01N21/17

Abstract: A method of detecting at least a partial blockage in a porous member separating an inner chamber of a device having a gas sensor responsive to an analyte positioned within the inner chamber and an ambient environment includes emitting pressure waves within the inner chamber and measuring a change in phase of a response via a sensor responsive to pressure waves.

公开(公告)号：US10788457B2

公开(公告)日：2020-09-29

申请号：US15394534

申请日：2016-12-29

Applicant: MSA TECHNOLOGY, LLC

Inventor： Jerin Miller ,  Ryan Alan Sherry ,  Robert Kevin Sexton ,  Robert Eric Uber

IPC: G01N29/04 ,  G01N29/11 ,  G01N29/07 ,  G01N29/34 ,  G01N33/00 ,  G01N21/17

Abstract: A method of detecting at least a partial blockage in a porous member separating an inner chamber of a device having a gas sensor responsive to an analyte positioned within the inner chamber and an ambient environment includes emitting pressure waves within the inner chamber and measuring a response via a sensor responsive to pressure waves positioned within the inner chamber.