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:
Nov. 11, 2014

Filed:

Feb. 20, 2009
Applicants:

Yoshiyuki Kondo, Hyogo, JP;

Koichi Tanimoto, Hyogo, JP;

Toshiyuki Mizutani, Hyogo, JP;

Kengo Shimamura, Hyogo, JP;

Ryoichi Kawakami, Hyogo, JP;

Inventors:

Yoshiyuki Kondo, Hyogo, JP;

Koichi Tanimoto, Hyogo, JP;

Toshiyuki Mizutani, Hyogo, JP;

Kengo Shimamura, Hyogo, JP;

Ryoichi Kawakami, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F22B 21/04 (2006.01); F22B 1/16 (2006.01); G21D 1/02 (2006.01);
U.S. Cl.
CPC ...
G21D 1/02 (2013.01); Y02E 30/40 (2013.01); F22B 1/162 (2013.01);
Abstract

A steam generator having a heat transfer tube group formed of a plurality of U-shaped heat transfer tubes; an annular channel formed to cover the circumference of the heat transfer tube group; the annular channel having an opening that communicates with the heat transfer tube group; a water supply unit disposed at an upper portion of the annular channel and supplies water to a descending-side portion; a steam/water separator disposed above the heat transfer tube group; and an air bubble removing member for removing air bubbles provided in the annular channel.


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