Gas separation – Two or more separators – Three or more serially spaced
Patent
1978-04-24
1980-07-08
Lacey, David L.
Gas separation
Two or more separators
Three or more serially spaced
55497, 55501, 55502, 55503, 55509, 55521, 210484, 210487, 210489, 210493R, 210497R, B01D 4602, B01D 4652
Patent
active
042115434
ABSTRACT:
An improved filter element assembly for use in an air cleaner on an internal combustion engine comprises a perforated liner. A replaceable filter element comprising a pleated filter medium is releasably coupled to the liner. A safety sleeve assembly is interposed between the filter medium and the liner. An outer liner surrounds the filter medium and exerts a radially inward force thereon to bias the pleats into engagement with the liner. The filter element assembly can be reconditioned when the filter medium becomes used with a replacement kit which includes a new filter element, safety sleeve assembly, and outer liner. The used filter element assembly is disassembled and the worn components thereof replaced with the new components of the kit. The filter medium is expandable from a collapsed cylindrical form in which the filter element is shipped to an expanded conical form for use during filtering operations.
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Donaldson Company, Inc., Bulletin Nos. 1200-272, 1200-152A, 1200-26.
Janezich Frank A.
Tokar Joseph C.
Donaldson & Company, Inc.
Lacey David L.
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