The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 26, 2006
Filed:
Sep. 30, 2004
Peter K. Herman, Cookeville, TN (US);
Harold R. Martin, Cookeville, TN (US);
Ismail C. Bagci, Cookeville, TN (US);
Abby True-dahl, Sparta, TN (US);
Scott Towsley, Hope, IN (US);
Zemin Jiang, Cookeville, TN (US);
Peter K. Herman, Cookeville, TN (US);
Harold R. Martin, Cookeville, TN (US);
Ismail C. Bagci, Cookeville, TN (US);
Abby True-Dahl, Sparta, TN (US);
Scott Towsley, Hope, IN (US);
Zemin Jiang, Cookeville, TN (US);
Fleetguard, Inc., Nashville, TN (US);
Abstract
The present invention provides a filter assembly containing a filter element and a container as a depot for a liquid additive. The container can include an inlet and an outlet, which are configured to allow a liquid to flow into the container mix with the contained additive and then flow out into the system. It has been observed that a liquid flowing through a filter assembly exhibits a pressure gradient within the filter. Consequently, the inlets and outlets to the container can be positioned to take advantage of the pressure gradient to enhance the addition of the additive to the liquid in the filter assembly.