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US 7,959,703 B2Granted
Fluted filter with integrated frame
AssigneeBaldwin Filters, Inc.
InventorsSteven J. Merritt, Chad Banzhaf, Kyle Swanson
Life of this patent
Estimating the term…
Abstract
A filter element includes a filter media pack, a frame, an annular seal, and a sealing means independent of the annular seal. The frame is integrally secured to the fluted filter media pack with material of the frame integrally bonding the frame thereto.
Claims23
A filter element comprising:
- a fluted filter media pack having an inlet flow face, outlet flow face and a central axis passing through the inlet flow face and the outlet flow face, the fluted filter media pack including a face sheet and a convoluted sheet secured together and wound about the central axis to define a plurality of flutes including first flutes closed proximate the inlet flow face and second flutes closed proximate the outlet flow face;
- a frame integrally secured to the fluted filter media pack with material of the frame integrally bonding the frame thereto;
- and
- wherein the fluted filter media is partially embedded in the frame.
1 more element
A filter element comprising:
- a fluted filter media pack having an inlet flow face, outlet flow face and a central axis passing through the inlet flow face and the outlet flow face, the fluted filter media pack including a face sheet and a convoluted sheet secured together and wound about the central axis to define a plurality of flutes including first flutes closed proximate the inlet flow face and second flutes closed proximate the outlet flow face;
- a frame integrally secured to the fluted filter media pack with material of the frame integrally bonding the frame thereto;
- and
- wherein the frame includes a plurality of location reliefs around a periphery of the frame.
1 more element
Dependencies are inferred from the claim text.