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:
Aug. 27, 2019
Filed:
Mar. 01, 2017
Ihi Corporation, Tokyo, JP;
Ihi Machinery and Furnace Co., Ltd., Tokyo, JP;
Kazuhiko Katsumata, Inuyama, JP;
Kaoru Isomoto, Tokyo, JP;
Gen Nishitani, Kakamigahara, JP;
Akira Nakayama, Hikari, JP;
Takahiro Nagata, Kamo-gun, JP;
Yuusuke Shimizu, Gifu, JP;
IHI CORPORATION, Tokyo, JP;
IHI MACHINERY AND FURNACE CO., LTD., Tokyo, JP;
Abstract
A heat treatment device includes: a heating device that heats a treatment object; a cooling device including a cooling room that accommodates the treatment object heated by the heating device and into which a cooling medium used for cooling the treatment object is supplied; a pressurized gas supplier that supplies pressurized gas into the cooling room; a pressure relief valve that communicates internal and external areas of the cooling room with each other when the pressure relief valve is opened; a pressure sensor that measures the pressure inside the cooling room; and a controller that controls the pressure relief valve such that the pressure relief valve is opened when a measurement result of the pressure sensor is higher than or equal to a threshold value.