Filter assemblies with alignment features
AssigneeCummins Filtration Inc.
InventorScott W. Schwartz
Life of this patent
Estimating the term…
Abstract
A filter assembly comprises a filter element and a housing assembly. The filter element comprises a filter media and a frame. The housing assembly contains the filter media and comprises a housing base and a housing cover. The housing base comprises a base end portion, and the housing cover comprises a housing end portion. The frame is secured to and surrounds at least an outer perimeter of the filter media. The frame is positionable axially between and attachable to the housing base and the housing cover such that the frame engages with the base end portion and the cover end portion, and a seal is formed between the frame and at least one of the housing base and the housing cover.
Claims15
A filter assembly comprising:
- a filter element comprising a filter media and a frame, the frame comprising a plurality of extensions;
- and
- a housing assembly containing the filter element, the housing assembly comprising a housing base and a housing cover, the housing base comprising a base end portion, the housing cover comprising a cover end portion, wherein at least one of the housing base or the housing cover comprises a plurality of positioning features,
- the frame secured to and surrounding at least an outer perimeter of the filter media, the frame positionable axially between and attachable to the housing base and the housing cover such that the frame engages with the base end portion and the cover end portion and the plurality of positioning features interlocks with the plurality of extensions, and a seal is formed between the frame and the at least one of the housing base or the housing cover,
- wherein a portion of the plurality of extensions extends axially along at least a portion of an outer perimeter of the at least one of the housing base or the housing cover.
A filter element comprising:
- a filter media;
- and
- a frame secured to and surrounding at least an outer perimeter of the filter media, the frame positionable axially between and attachable to a housing base and a housing cover of a housing assembly, the frame comprising:
- a flange extending radially and circumferentially about the outer perimeter of the filter media;
- and
- a plurality of extensions positioned along a perimeter of the flange, the plurality of extensions comprising at least one of an axially extending inner extension or an axially extending outer extension, the at least one of an axially extending inner extension or an axially extending outer extension being circumferentially spaced apart, the plurality of extensions aligning the frame to at least one of the housing base or the housing cover such that the frame engages and interlocks with a plurality of positioning features of at least one of a base end portion of the housing base or a cover end portion of the housing cover, the filter media is contained within the housing assembly, and a seal is formed between the frame and the at least one of the housing base or the housing cover.
A filter assembly comprising:
- a filter element comprising a filter media and a frame, the frame secured to and surrounding at least an outer perimeter of the filter media;
- and
- a housing assembly containing the filter element, the housing assembly comprising:
- a housing base comprising a base end portion;
- a housing cover comprising a housing end portion;
- a fastener comprising a first axial end and a second axial end;
- and
- a fastener supporting component coupled to the at least one of the housing base or the housing cover, the fastener supporting component comprising an attachment tab extending radially from an outer surface of the at least one of the housing base or the housing cover, the attachment tab comprising a notch receiving at least one of the first axial end or the second axial end of the fastener so as to secure the fastener to the attachment tab;
- wherein the frame is positionable axially between and attachable to the housing base and the housing cover such that the notch receives and secures the fastener.
Dependencies are inferred from the claim text.