Air cleaner with replaceable filter element

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4211543
SERIAL NO

05898906

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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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Patent Owner(s)

  • DONALDSON COMPANY, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Janezich, Frank A Richfield, MN 2 192
Tokar, Joseph C Apple Valley, MN 34 4363

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