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:
Apr. 14, 2025

Filed:

Oct. 05, 2022
Applicant:

Smith & Loveless Inc., Lenexa, KS (US);

Inventors:

Lilunnahar Deju, Overland Park, KS (US);

John K. Kelly, Overland Park, KS (US);

Alexander P. Zuzelski, Lenexa, KS (US);

Rodney S. Mrkvicka, Leawood, KS (US);

Assignee:

Smith & Loveless Inc., Lenexa, KS (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 21/24 (2005.12); B01D 21/00 (2005.12); B01D 21/02 (2005.12); C02F 1/00 (2022.12);
U.S. Cl.
CPC ...
B01D 21/245 (2012.12); B01D 21/0039 (2012.12); B01D 21/02 (2012.12); B01D 21/2405 (2012.12); B01D 21/2444 (2012.12); C02F 1/00 (2012.12); C02F 2001/007 (2012.12);
Abstract

A grit removal system with an annular grit removal chamber and a central hopper beneath the chamber bottom, including an opening through the chamber bottom to the hopper. Influent and effluent channels direct wastewater with grit into and out of the grit removal chamber. A plate over the chamber bottom opening has a first portion with a plurality of first openings therethrough and a second plate portion with a plurality of second openings therethrough, wherein the flow velocity for a given flow rate through the first openings is greater than the flow velocity for the given flow rate through the second openings.


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