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 8153070 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 10, 2012

Filed:

Apr. 28, 2009
Applicants:

Yukako Asano, Kashiwa, JP;

Tetsuro Miyamoto, Kasumigaura, JP;

Hajime Katou, Tsuchiura, JP;

Shigenori Togashi, Abiko, JP;

Inventors:

Yukako Asano, Kashiwa, JP;

Tetsuro Miyamoto, Kasumigaura, JP;

Hajime Katou, Tsuchiura, JP;

Shigenori Togashi, Abiko, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 19/00 (2006.01); B01J 8/00 (2006.01); B01J 8/04 (2006.01); B01J 10/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A microreactor capable of reducing a pressure drop in an entire system includes a mixerhaving a mixing channel for mixing two kinds of raw materialsand, and a reactorhaving a reaction channel connected to the downstream side of the mixing channel to receive the mixture flowing out from the mixing channel and cause chemical reactions of the mixture inside the reaction channel. The reactora first reactor unithaving a large surface-to-volume (S-V) ratio of the reaction channel at an upstream side, and a second reactor unithaving a small S-V ratio of the reaction channel at a downstream.


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