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:
Jan. 19, 2016

Filed:

Jun. 01, 2015
Applicants:

Jan Backman, Jarfalla, SE;

Valentina Kucher, Stockholm, SE;

Inventors:

Jan Backman, Jarfalla, SE;

Valentina Kucher, Stockholm, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 21/26 (2006.01); D21D 5/24 (2006.01); B04C 5/081 (2006.01); B04C 5/13 (2006.01); B04C 7/00 (2006.01); B03D 1/02 (2006.01); B04C 5/26 (2006.01);
U.S. Cl.
CPC ...
D21D 5/24 (2013.01); B01D 21/267 (2013.01); B03D 1/02 (2013.01); B04C 5/081 (2013.01); B04C 5/13 (2013.01); B04C 5/26 (2013.01); B04C 7/00 (2013.01);
Abstract

The present invention concerns a hydrocyclone for cleaning cellulose suspensions from light impurities i.e. a so called reverse hydrocyclone, having a base end and an apex end and a separation chamber having an elongated shape between the base end and the apex end, at least one inlet arranged at the base end and at least one underflow outlet at the apex end and at least one overflow outlet at the base end. The overflow outlet is provided with an additional, light reject outlet arranged concentrically to a length axis of the hydrocyclone. The invention also concerns a system and a method for producing and/or treating cellulose suspension comprising at least a reverse cleaning stage and at least a dewatering stage.


Find Patent Forward Citations

Backman, Jan. (2016). Method for cleaning cellulose suspensions (U.S. Patent No. 9238888). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9238888

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

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