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. 08, 2008

Filed:

Nov. 30, 2005
Applicants:

Xiaobing Luo, Yongin-si, KR;

Hye-jung Cho, Anyang-si, KR;

Jae-yong Lee, Seongnam-si, KR;

Sang-kyun Kang, Seongnam-si, KR;

Inventors:

Xiaobing Luo, Yongin-si, KR;

Hye-jung Cho, Anyang-si, KR;

Jae-yong Lee, Seongnam-si, KR;

Sang-kyun Kang, Seongnam-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 11/10 (2006.01); H01M 8/04 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus for measuring a methanol concentration is provided. The apparatus is located in a pipe which supplies liquid fuel to the anode of a direct liquid feed fuel cell, and may include a vertical supporting beam located in the pipe; a horizontal plate located on the supporting beam and having an upper surface with a predetermined roughness; and a sensor fixed to a side of the supporting beam, which generates an electrical signal through a transformation of the supporting beam resulting from variations in a viscosity of the liquid fuel running through the pipe.


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