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:
Feb. 01, 2022

Filed:

Dec. 12, 2016
Applicant:

Xylem Ip Management S.à R.i., Senningerberg, LU;

Inventors:

Tore Strandberg, Älvsjö, SE;

Per Hedmark, Sundbyberg, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/74 (2006.01); F04B 51/00 (2006.01); F04B 23/02 (2006.01); F04B 23/04 (2006.01); F04B 15/00 (2006.01); F04B 49/22 (2006.01); C02F 101/10 (2006.01);
U.S. Cl.
CPC ...
C02F 1/74 (2013.01); F04B 15/00 (2013.01); F04B 23/02 (2013.01); F04B 23/04 (2013.01); F04B 49/22 (2013.01); F04B 51/00 (2013.01); C02F 2101/101 (2013.01); C02F 2209/26 (2013.01); C02F 2301/046 (2013.01);
Abstract

A pump station arrangement for removing harmful fluids from wastewater and a method for removing harmful fluids from wastewater in such a pump station arrangement. The pump station arrangement includes a pre-chamber, a pump sump, a recirculation channel extending from the pump sump to the pre-chamber, and a gas sensor arranged in the pump sump and configured to measure the content of harmful fluids in the form of gas in the pump sump. The pump station arrangement is configured to recirculate the wastewater via the recirculation channel from the pump sump to the pre-chamber if the measured content of harmful fluids in the form of gas in the pump sump exceed a predetermined value. Also disclosed is.


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