| US 7,563,368 B2 | ||
| Filtration device with releasable additive | ||
| Harold R. Martin, Cookeville, Tenn. (US); Abby True-Dahl, Sparta, Tenn. (US); Ted Loftis, Cookeville, Tenn. (US); Ismail Bagci, Cookeville, Tenn. (US); Wassem Abdalla, Quimper (France); Mark J. Johnson, Cookeville, Tenn. (US); Barry M. Verdegan, Stoughton, Wis. (US); and Peter K. Herman, Stoughton, Wis. (US) | ||
| Assigned to Cummins Filtration IP Inc., Minneapolis, Minn. (US) | ||
| Filed on Dec. 12, 2006, as Appl. No. 11/609,679. | ||
| Prior Publication US 2008/0135467 A1, Jun. 12, 2008 | ||
| Int. Cl. B01D 15/00 (2006.01); F01M 11/03 (2006.01) | ||
| U.S. Cl. 210—201 [210/167.04; 210/167.3; 210/206; 210/335; 210/342] | 10 Claims |
| 1. A filtration device comprising:
a filter component arranged as a plurality of concentric filtering elements defining filter spaces between the filtering elements,
each filtering element having a filter media configured to allow a working fluid to flow through the filter media while removing
contaminants from the working fluid; and
an additive component operatively connected to the filter component, the additive component includes at least one additive
material that is configured to be introduced to the working fluid being filtered by the filter component,
the additive component comprises
a vessel disposed at one longitudinal end of the filter component, the vessel containing the at least one additive material,
an initiating orifice disposed within one of the filter spaces and fluidly communicating the vessel with the filter component,
and
a release tube configured to release the at least one additive material from the vessel into the filter component when the
initiating orifice is opened.
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