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. 07, 2009

Filed:

Jul. 19, 2004
Applicants:

Koji Sone, Niihama, JP;

Satoko Machida, Niihama, JP;

Inventors:

Koji Sone, Niihama, JP;

Satoko Machida, Niihama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); H01M 2/00 (2006.01); B01D 53/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A gas-liquid separator for use in portable equipments, that can be made small, has a simple structure, can be manufactured at low costs, and carries out separation of gas and liquid with no problems occurring even if there is a change in orientation. The gas-liquid separator receives gas-containing liquid mixed with gas and performs gas-liquid separation into gas and liquid, and includes a gas-liquid separation chamber () for performing gas-liquid separation when gas-containing liquid is fed between a liquid extracting member () for passing the liquid therethrough while restricting the passage of gas therethrough and a gas extracting member () for passing gas therethrough while restricting the passage of liquid therethrough. The height () of the gas-liquid separation chamber () is set at not more than a maximum bubble growth diameter in the direction of gravity which depends on the surface tension of liquid. Thus, even when the gas-liquid separator is orientated such that the gas extracting member () is at the bottom in the direction of gravity, the liquid will not cover the gas extracting member () due to gravity and the outlet for gas will not be lost.


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