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. 07, 2026

Filed:

Apr. 21, 2022
Applicant:

Valmet Ab, Sundsvall, SE;

Inventors:

Lars Hellström, Karlstad, SE;

Ruben Wetind, Alnö, SE;

Assignee:

VALMET AB, Sundsvall, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F 1/66 (2006.01); B01D 19/00 (2006.01);
U.S. Cl.
CPC ...
D21F 1/66 (2013.01); B01D 19/0042 (2013.01);
Abstract

The present invention relates to a water and air separation device () comprising—an entry portion () having a receiving inlet (), —a guide portion () comprising—a housing (), —a separation chamber (), —an inlet (), —a plurality of guide channels () for transporting whitewater spray into the separation chamber, —a liquid outlet (), —a gas outlet (), and wherein the guide portion () further comprises—a first separation plate () arranged to divide the separation chamber () into a first section (A) and a second section (B), so that a connecting passage () is formed for allowing whitewater to pass into the second section (B) underneath the first separation plate () and thereby separate the whitewater from air of the whitewater spray.


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