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US 7,682,416 B2Granted
Air cleaner arrangements; serviceable filter elements; and, methods
AssigneeDonaldson Company, Inc.
InventorsRandall Allen Engelland, Thomas Richard Olson, Gary Ray Gillingham, Jim C. Rothman, Richard Lawrence Suydam
Life of this patent
Estimating the term…
Abstract
An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securing the filter cartridge in that location. Preferred serviceable filter cartridges are provided, as well as methods of assembly and use.
Claims6
An air cleaner arrangement including:
- (a) a housing having an inlet end and an opposite outlet end;
- (i) the housing sidewall including an access cover removable from a remainder of the housing;
- (b) a filter cartridge comprising:
- (i) a z-filter media construction comprising media formed from a fluted sheet secured to a facing sheet;
- and, defining opposite inlet and outlet flow ends;
- (ii) a filter cartridge sidewall construction surrounding the z-filter media construction, and having first and second, opposite, sides;
- (iii) a seal arrangement comprising a rubber like member mounted on the filter cartridge for sealing with the housing;
- (iv) a first projection arrangement extending outwardly from the first side of the filter construction sidewall construction;
- and, a second projection extending outwardly from the second side of the filter cartridge sidewall construction;
- and,
- (c) first and second biasing and lock blades secured to the access cover and projecting along opposite sides of the filter cartridge;
- (i) the first biasing and lock blade having a non-straight, contoured, forward edge in engagement with the first projection arrangement;
- and,
- (ii) the second biasing and lock blade having a non-straight, contoured, forward edge in engagement with the second projection arrangement;
- (iii) the forward edges of the biasing and lock blades engaging the filter cartridge to secure the filter cartridge in a sealing orientation.
12 more elements
Dependencies are inferred from the claim text.