Back to results
US 12,145,094 B2Granted
Filter element having inner support and methods
AssigneeDonaldson Company, Inc.
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.
Claims21
A method of installing a filter element into a dust collector;
- the dust collector including a housing having a dirty air inlet, a dirty air plenum, a clean air outlet, and clean air plenum, and a tubesheet separating the dirty air plenum from the clean air plenum;
- the method comprising:
- (a) mounting a filter element in the dirty air plenum against the tubesheet;
- the filter element including:
- (i) a construction of pleated filter media defining an interior volume, the pleated media being free of restrictions along an outer portion;
- (A) the pleated media being constructed and arranged to bow outwardly during pulse cleaning;
- (ii) first and second opposite end caps molded or potted to opposite ends of the filter media;
- (A) the first end cap being an open end cap in communication with the interior volume;
- (B) the second end cap being a closed end cap;
- and
- (iii) a support structure supporting the filter media operably oriented in the interior volume;
- 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
- (b) forming a seal between the first end cap and the tubesheet.
11 more elements
Dependencies are inferred from the claim text.