Back to results
US 8,241,384 B2Granted
Seal, arrangement for filter element; filter element assembly; and, methods
AssigneeDonaldson Company, Inc.
InventorsKevin Schrage, Troy Murphy, Donald Raymond Mork
Life of this patent
Estimating the term…
Abstract
A filter element arrangement is provided which includes a media pack comprising Z-filter media, a preform and an overmold sealing a portion of the interface between the preform and the media pack, and also forming an air cleaner seal for the filter element. The overmold preferably comprises molded, foamed, polyurethane. A variety of media pack shapes can be used.
Claims26
An air filter cartridge comprising:
- (a) media pack comprising alternating fluted sheet and facing sheet;
- (i) the media pack having opposite inlet and outlet ends;
- (ii) the media pack defining:
- (A) a set of inlet flutes;
- (B) a set of outlet flutes;
- and,
- (C) the media pack being closed to flow of unfiltered air into the inlet end, and then outwardly from the outlet end without filtering;
- (b) a preform including a housing seal support section having an interior surface and an opposite exterior surface;
- and
- (c) a molded seal component including an air cleaner seal portion and a media pack seal portion, the air cleaner seal portion having a surface configured to form a radially outwardly directed seal with an air cleaner, and the media pack seal portion adhering the preform to the media pack.
7 more elements
An air filter cartridge comprising:
- (a) media pack comprising alternating fluted sheet and facing sheet;
- (ii) the media pack having opposite inlet and outlet ends;
- (ii) the media pack defining:
- (A) a set of inlet flutes;
- (B) a set of outlet flutes;
- and,
- (C) the media pack being closed to flow of unfiltered air into the inlet end, and then outwardly from the outlet end without filtering;
- (b) a preform sealed to the media pack, the preform including a housing seal support section and a media engagement portion having an edge which engages one of the media pack inlet end or the media pack outlet end;
- and
- (c) a molded seal component including an air cleaner seal portion and a media pack seal portion, the air cleaner seal portion having a surface configured to form a radially outwardly directed seal with an air cleaner, and the media pack seal portion adhering the preform to the media pack.
7 more elements
Dependencies are inferred from the claim text.