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:
Aug. 06, 2019

Filed:

Sep. 29, 2014
Applicant:

Mitsubishi Hitachi Power Systems, Ltd., Kanagawa, JP;

Inventors:

Kohei Hatano, Tokyo, JP;

Hiroharu Oyama, Tokyo, JP;

Yasuo Matsunami, Tokyo, JP;

Naoyuki Umezu, Tokyo, JP;

Shuhei Kuroki, Tokyo, JP;

Hidetaka Haraguchi, Tokyo, JP;

Takumi Matsumura, Tokyo, JP;

Motonari Machida, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D 9/00 (2006.01); B21K 3/04 (2006.01); C21D 6/00 (2006.01); C21D 1/18 (2006.01); C21D 1/70 (2006.01); F01D 5/28 (2006.01); C21D 6/02 (2006.01); C21D 1/19 (2006.01); C21D 8/00 (2006.01); C21D 1/00 (2006.01);
U.S. Cl.
CPC ...
C21D 9/0068 (2013.01); B21K 3/04 (2013.01); C21D 1/18 (2013.01); C21D 1/19 (2013.01); C21D 1/70 (2013.01); C21D 6/00 (2013.01); C21D 6/002 (2013.01); C21D 6/02 (2013.01); C21D 8/005 (2013.01); F01D 5/286 (2013.01); C21D 1/00 (2013.01); C21D 9/00 (2013.01); F05D 2230/25 (2013.01);
Abstract

A heating step, in which a stainless member is heated to a temperature within or above a heating phase-transformation temperature range (Ar) in which the stainless member is phase-transformed, is executed. A cooling step in which the stainless member heated in the heating step is cooled to a temperature below a cooling phase-transformation temperature range (Mr) in which the stainless member is phase-transformed, is executed. In the cooling step, cooling of the stainless member is suppressed in a control temperature range including the cooling phase-transformation temperature range (Mr).


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