B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/74
B01D 45/12 (2006.01) B01D 46/24 (2006.01) B01D 50/00 (2006.01)
Patent
CA 1118369
Abstract An improved cylindrical two-stage air cleaner in which the overall efficiency of the cleaner is improved by changing the configuration of filtering means therein from a cylindrical one to a conical, and in which improved structure is included for sealing the cleaner to prevent passage of incoming air to the outlet without being cleaned, to automatically scrape particulate matter from the inside of the cleaner housing each time a principal filter is changed, and to facilitate the insertion and removal of a safety filter without tools.
303889
Gauer Daniel S.
Sullivan Bruce M.
Barrigar & Moss
Donaldson Company Inc.
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