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.

Date of Patent:
Jul. 13, 2021

Filed:

Nov. 29, 2017
Applicant:

Clack Corporation, Windsor, WI (US);

Inventor:

Don Vaughan, Waunakee, WI (US);

Assignee:

Clack Corporation, Windsor, WI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/00 (2006.01); C02F 1/28 (2006.01); C02F 1/68 (2006.01); C02F 1/74 (2006.01); C02F 7/00 (2006.01); C02F 101/20 (2006.01); C02F 101/10 (2006.01);
U.S. Cl.
CPC ...
C02F 1/001 (2013.01); C02F 1/006 (2013.01); C02F 1/281 (2013.01); C02F 1/68 (2013.01); C02F 1/74 (2013.01); C02F 7/00 (2013.01); C02F 1/004 (2013.01); C02F 2101/101 (2013.01); C02F 2101/203 (2013.01); C02F 2201/005 (2013.01); C02F 2209/03 (2013.01); C02F 2301/066 (2013.01); C02F 2303/14 (2013.01);
Abstract

A fluid treatment tank for an aeration filter has an air blocker separating a chamber in fluid communication with a control valve of the filter from a pocket of air above the liquid in the tank and the control valve. The air blocker contains a volume of liquid that acts as a trap that prevents or at least inhibits air in the pocket from backing up into the chamber. Contact between the control valve and air is dramatically reduced. The air blocker may comprise a baffle that directs any air flowing through the air blocker downwardly and then back upwardly before the air can escape the air blocker.


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