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.:
Date of Patent:
Oct. 23, 2018
Filed:
Jan. 27, 2015
Mitsubishi Hitachi Power Systems, Ltd., Kanagawa, JP;
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;
MITSUBISHI HITACHI POWER SYSTEMS, LTD., Kanagawa, JP;
Abstract
A method of manufacturing a turbine blade, the method comprising forming a forging by forging stainless steel; heat treating the forging; and cooling the forging after the heat treatment; wherein in the heat treatment and the cooling, a plurality of the forgings are arranged in alignment, and adjacent forgings of the plurality of forgings are disposed so that at least respective portions of portions of the adjacent forgings corresponding to a region from a portion corresponding to a platform of a turbine blade to a center in a longitudinal direction of the turbine blade face each other and warm each other via radiant heat.