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US 11,167,235 B2Granted
Filter element having inner support and methods
AssigneesDonaldson Company, Inc., iFil USA, LLC
InventorsPhilip Edward Johnson, Jonathan G. Parsons, John K. Falk, III
Life of this patent
Estimating the term…
Abstract
A filter element includes a construction of pleated filter media defining an interior volume. First and second opposite end caps are secured to opposite ends of the filter media. A support structure supports the filter media and is operably oriented in the interior volume. The support structure extends from the first opposing interior face to the second opposing interior face. The support structure is provided to extend less than a full extension between the first end cap and second end cap.
Claims20
A filter element comprising:
- (a) a construction of pleated filter media defining an interior volume;
- (b) first and second opposite end caps molded or potted to opposite ends of the filter media;
- (c) a support structure supporting the filter media operably oriented in the interior volume;
- (i) the support structure extending less than a full extension between the first end cap and second end cap and less than a full extension of the filter media;
- and
- (d) at least a first rail fixed to the first end cap and slidably extending through the second end cap.
3 more elements
A filter element comprising:
- (a) a construction of pleated filter media defining an interior volume;
- (b) first and second opposite end caps molded or potted to opposite ends of the filter media;
- and
- (c) a support structure supporting the filter media operably oriented in the interior volume;
- (i) the support structure extending less than a full extension between the first end cap and second end cap and less than a full extension of the filter media.
2 more elements
Dependencies are inferred from the claim text.