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US RE45,588 E1Granted
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.
Claims37
An air filter cartridge arrangement comprising:
- (a) a media pack having an inlet end and an opposite outlet end;
- (i) the media pack including fluted media oriented with flutes extending in a direction between the inlet end and the outlet end;
- and,
- (b) a sidewall arrangement having first and second sides with the media pack positioned therebetween;
- (i) the sidewall arrangement including a pair of first and second, axially and vertically spaced, projections on the first side;
- (A) axial spacing between the first and second projections comprising spacing in a direction corresponding to a direction between the inlet end and the opposite outlet end;
- and,
- (B) vertical spacing between the first and second projection comprising spacing in a direction corresponding to a direction perpendicular to the direction between the inlet end and the opposite outlet end;
- and,
- (ii) the sidewall arrangement including a pair of third and fourth, axially and vertically spaced, projections on the second side;
- (A) axial spacing between the third and fourth projections comprising spacing in a direction corresponding to a direction between the inlet end and the opposite outlet end;
- and,
- (B) vertical spacing between the third and fourth projections comprising spacing in a direction corresponding to a direction perpendicular to the direction between the inlet end and the opposite outlet end.
10 more elements
An air cleaner arrangement including:
- (a) a housing having:
- a sidewall;
- an inlet end;
- and an outlet end;
- (i) the housing sidewall including an access cover removable from a remainder of the housing;
- and,
- (b) an air filter cartridge comprising:
- (i) a media pack having an inlet end and an opposite outlet end;
- (A) the media pack including fluted media oriented with flutes extending in a direction between the inlet and outlet ends of the media pack;
- and,
- (ii) a sidewall arrangement having first and second sides with the media pack positioned therebetween;
- (A) a sidewall arrangement including a pair of first and second, axially and vertically spaced, projections on the first side;
- (1) axial spacing between the first and second projections comprising spacing in a direction corresponding to a direction between the inlet end and opposite outlet end of the media pack;
- and,
- (2) vertical spacing between the first and second projections comprising spacing in a direction corresponding to a direction perpendicular to the direction between the inlet end and the opposite outlet end of the media pack;
- and,
- (B) the sidewall arrangement including a pair of third and fourth, axially and vertically spaced, projections on the second side;
- (1) axial spacing between the third and fourth projections comprising spacing in a direction corresponding to a direction between the inlet end and opposite outlet end of the media pack;
- and,
- (2) vertical spacing between the third and fourth projections comprising spacing in a direction corresponding to a direction perpendicular to the direction between the inlet end and the opposite outlet end of the media pack;
- and,
- (c) first and second biasing and lock blades secured to the access cover and projecting along opposite sides of the air filter cartridge;
- (i) the air filter cartridge being removably positioned in the housing;
- (ii) the first biasing and lock blade having a non-straight, contoured, forward edge in engagement with the first and second projections;
- and,
- (iii) the second biasing and lock blade having a non-straight, contoured, forward edge in engagement with the third and fourth projections;
- and,
- (iv) the forward edges of the biasing and lock blades engaging the filter cartridge to secure the filter cartridge in a sealing orientation.
25 more elements
An engine intake system comprising:
- (a) an engine
- (b) a turbocharger;
- and,
- (c) an air cleaner arrangement positioned downstream from the turbocharger;
- the air cleaner arrangement comprising;
- (i) a housing having:
- a sidewall;
- an inlet end and an outlet end;
- (A) the housing sidewall including an access cover removable from a remainder of the housing;
- and,
- (ii) an air filter cartridge comprising:
- (A) a media pack having an inlet end and an opposite outlet end;
- (1) the media pack including fluted media oriented with flutes extending in a direction between the inlet and outlet ends of the media pack;
- and,
- (B) a sidewall arrangement having first and second sides with the media pack positioned therebetween;
- (1) the sidewall arrangement including a pair of first and second, axially and vertically spaced, projections an the first side;
- axial spacing between the first and second projections comprising spacing in a direction corresponding to a direction between the inlet end and opposite outlet end of the media pack;
- and, vertical spacing between the first and second projections comprising spacing in a direction corresponding to a direction perpendicular to the direction between the inlet end and the opposite outlet end of the media pack;
- and,
- (2) the sidewall arrangement including a pair of third and fourth, axially and vertically spaced, projections an the second side;
- axial spacing between the third and fourth projections comprising spacing in a direction corresponding to a direction between the inlet end and opposite outlet end of the media pack;
- and, vertical spacing between the third and fourth projections comprising spacing in a direction corresponding to a direction perpendicular to the direction between the inlet end and the opposite outlet end of the media pack.
19 more elements
An air filter cartridge arrangement comprising:
- (a) a media pack having an inlet end and an opposite outlet end;
- (b) a sidewall arrangement having first and second sides with the media pack positioned therebetween;
- (i) the sidewall arrangement including a first projection arrangement extending from the first side in a direction away from the first side, the first projection arrangement comprising first and second, axially and vertically spaced, contact locations;
- (A) axial spacing between the first and second contact locations comprising spacing in a direction corresponding to a direction between the inlet end and the opposite outlet end;
- and
- (B) vertical spacing between the first and second contact locations comprising spacing in a direction corresponding to a direction perpendicular to the direction between the inlet end and the opposite outlet end;
- and
- (ii) the sidewall arrangement including a second projection arrangement extending from the second side in a direction away from the second side, the second projection arrangement comprising third and fourth, axially and vertically spaced, contact locations;
- (A) axial spacing between the third and fourth contact locations comprising spacing in a direction corresponding to a direction between the inlet end and the opposite outlet end;
- and
- (B) vertical spacing between the third and fourth contact locations comprising spacing in a direction corresponding to a direction perpendicular to the direction between the inlet end and the opposite outlet end;
- and
- (c) a primary seal arrangement.
10 more elements
An air cleaner arrangement including:
- (a) a housing having:
- a sidewall;
- an inlet end;
- and an outlet end;
- (i) the housing sidewall including an access cover removable from a remainder of the housing;
- (b) an air filter cartridge installed in a sealing orientation within the housing and comprising:
- (i) a media pack having an inlet end and an opposite outlet end;
- (ii) a first sidewall and an opposite second sidewall with the media pack positioned therebetween;
- (A) the first sidewall comprises a first projection arrangement and the second sidewall comprises a second projection arrangement;
- (c) first and second biasing and lock blades secured to the access cover and projecting along the first sidewall and the second sidewall of the air filter cartridge;
- (i) the air filter cartridge being removably positioned in the housing;
- (ii) the first biasing and lock blade having a non-straight, contoured, filter cartridge engagement edge is constructed to engage the first projection arrangement of the first sidewall so that the air filter cartridge is provided in the sealing orientation within the housing when the access cover is installed on the housing;
- (iii) the second biasing and lock blade having a non-straight, contoured, filter cartridge engagement edge, wherein the non-straight, contoured, filter cartridge engagement edge is constructed to engage the second projection arrangement of the second sidewall so that the air filter cartridge is provided in the sealing orientation within the housing when the access cover is installed on the housing;
- (d) the projection arrangement on the first sidewall comprises a first contact location and a second contact location for engaging the first biasing and lock blade, wherein one of the first contact location or the second contact location is located closer to the housing outlet than the other of the first contact location or the second contact location when the air filter cartridge is installed in the sealing orientation;
- and
- (e) the projection arrangement on the second sidewall comprises a third contact location and a fourth contact location for engaging the second biasing and lock blade, wherein one of the third contact location or the fourth contact location is located closer to the housing outlet than the other of the third contact location or the fourth contact location when the air filter cartridge is installed in the sealing orientation.
13 more elements
Dependencies are inferred from the claim text.