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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 6186333 B1

PDFFull Text
Date of Patent:
Feb. 13, 2001

Filed:

Sep. 17, 1999

Method and arrangement for controlling a multi-phase screening apparatus

Applicant:
Inventors:

Jouko Hautala, Tampere, FI;

Juhani Valli, Tampere, FI;

Timo Vuorinen, Tampere, FI;

Jorma Petäjistö, Tampere, FI;

Assignee:

Valment Corporation, Helsinki, FI;

Attorney:

Ladas & Parry

Primary Examiner:

Donald P Walsh

Assistant Examiner:

Brett C Martin

Int. Cl.
CPC ...
B07B 9/00 ; B07B 1/04 ; B07B 1/00 ; B03B 5/66 ;
U.S. Cl.
CPC ...
B07B 9/00 ; B07B 1/04 ; B07B 1/00 ; B03B 5/66 ;
Abstract

The invention relates to a method for controlling a multi-step screening apparatus (,), the method comprising controlling other accept, reject and dilution flows in relation to the flow measured in the accept channel (,) of the first screening step (,). Thus a simpler control unit (,) can be used and accept of higher quality can be obtained than before. The invention further relates to an apparatus for controlling a multi-step screening apparatus (,), said apparatus comprising a control unit (,) arranged to measure the flows of all accept, reject and dilution water channels (,) and to adjust the flow of the other channels on the basis of the flow of the accept channel of the first step.

Find Patent Forward Citations

Hautala, Jouko. (2001). Method and arrangement for controlling a multi-phase screening apparatus (U.S. Patent No. 6186333). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6186333

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

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