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US 5,391,212 AGranted
Filter system, especially for filtering the air intake of an internal combustion engine
AssigneeFilterwerk Mann & Hummel GmbH
InventorsVolker Ernst, Arthur Klotz, Rudolf Leipelt
Life of this patent
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Abstract
A filter system for filtering the air intake of an internal combustion engine including a housing having a bottom half and a cover half, at least two filter inserts each consisting of pleated filter paper or filter batting, and a circumferential gasket. The two filter inserts are connected by a junction strip which simultaneously seals the raw air chamber from the clean air chamber between the two filter inserts.
Claims9
A filter arrangement comprising:
- a housing comprising a housing bottom and a housing cover;
- a first filter insert positioned in said housing and comprising a pleated filter paper or filter batting and having a gasket extending at least partially around an outer margin thereof;
- a second filter insert positioned in said housing with one side adjacent a parallel side of said first filter insert, said second filter insert comprising a pleated filter paper or filter batting through which filtered air passes and having a gasket extending at least partially around a circumferential margin thereof;
- a junction strip joining the adjacent parallel sides of said first and second filter inserts and sealing a raw air chamber on one side of said filter inserts from a clean air chamber on an opposite side of said filter inserts;
- and
- a fastener carried by said housing bottom for connecting said housing bottom to said housing cover, said fastener being aligned with an opening in said junction strip and extending through said opening to sealingly close said opening.
3 more elements
Dependencies are inferred from the claim text.