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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.:

US 11452955 B1

PDFFull Text
Date of Patent:
Sep. 27, 2022

Filed:

Nov. 22, 2018

Arrangement and method for detecting a damage of a filter fabric of a disc filter at a disc filter unit using microphones

Applicant:

Valmet Technologies Oy, Espoo, FI;

Inventors:

Teemu Antikainen, Espoo, FI;

Mika Karaila, Vantaa, FI;

Joona Nikunen, Vantaa, FI;

Assignee:

VALMET TECHNOLOGIES OY, Espoo, FI;

Attorney:

Leason Ellis LLP

Primary Examiner:

Akash K Varma

Int. Cl.
CPC ...
B01D 35/143 (2006.01); B01D 33/21 (2006.01); B01D 39/08 (2006.01); B01D 33/80 (2006.01); G01N 29/14 (2006.01); G01N 29/12 (2006.01); G01N 29/44 (2006.01); G08B 5/36 (2006.01); H04R 1/40 (2006.01);
U.S. Cl.
CPC ...
B01D 35/1435 (2013.01); B01D 33/21 (2013.01); B01D 33/804 (2013.01); B01D 39/08 (2013.01); G01N 29/12 (2013.01); G01N 29/14 (2013.01); G01N 29/4427 (2013.01); G08B 5/36 (2013.01); H04R 1/406 (2013.01); B01D 2201/287 (2013.01); B01D 2201/52 (2013.01); B01D 2201/54 (2013.01); B01D 2201/56 (2013.01); B01D 2239/06 (2013.01); G01N 2291/0237 (2013.01); G01N 2291/0289 (2013.01);
Abstract

An arrangement is provided for detecting a damage of a filter fabric () of a disc filter () at a disc filter unit comprising disc filters. The arrangement includes a measurement bar () that includes two or more microphones (), a store () including stored sound samples, at least one alarming means and a processing arrangement () for analyzing online sound or sound samples captured by the microphones (). The processing arrangement () is connected to the microphones (), the store () and the at least one alarming means. A method is also disclosed for detecting a damage of a filter fabric () of a disc filter () at a disc filter unit.

Find Patent Forward Citations

Antikainen, Teemu. (2022). Arrangement and method for detecting a damage of a filter fabric of a disc filter at a disc filter unit using microphones (U.S. Patent No. 11452955). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11452955

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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