Abstract: A filter assembly for a breathing apparatus, such as a powered air purifying respirator. The filter assembly includes a frame for receiving and retaining a filter element, a cover connected to the frame and dimensioned to cover the aperture, a filter element, and an indicator for indicating when the filter element is retained in the filter frame and the cover is arranged across the aperture. A powered breathing apparatus including the filter assembly is also disclosed.
Type:
Grant
Filed:
January 14, 2016
Date of Patent:
January 29, 2019
Assignee:
Cleanspace IP Pty Ltd
Inventors:
Alexander Virr, Xiaoyi Fu, Dan Kao, John Michael Snow, Damian Charles Johnson