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:
Jul. 10, 2012

Filed:

Mar. 25, 2010
Applicants:

Kazuya Hongo, Kanagawa, JP;

Tetsuo Ohta, Kanagawa, JP;

Hiroshi Kojima, Kanagawa, JP;

Seiichi Takagi, Kanagawa, JP;

Inventors:

Kazuya Hongo, Kanagawa, JP;

Tetsuo Ohta, Kanagawa, JP;

Hiroshi Kojima, Kanagawa, JP;

Seiichi Takagi, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A classification device includes: a classification channel for classifying particles; a particle dispersion delivery channel as defined herein; a conveying fluid feed channel as defined herein; and at least one collection channel as defined herein, and the particle dispersion delivery channel satisfying relationship (1):wherein A is a width of the particle dispersion inlet port as measured perpendicular to the flow in the classification channel on a cross-section taken parallel to the flow in the classification channel; and B is a width of the junction between the particle dispersion delivery channel and the classification channel as measured perpendicular to the flow in the classification channel on a cross-section taken parallel to the flow in the classification channel.


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