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:
Dec. 30, 2025
Filed:
Dec. 02, 2021
Nippon Steel Chemical & Material Co., Ltd., Tokyo, JP;
NIPPON STEEL Chemical & Material Co., Ltd., Tokyo, JP;
Abstract
The task of the present invention is to provide a magnetostrictive power generation device that is low cost and excellent in durability and can achieve a power generation amount equal to or exceeding those of conventional magnetostrictive power generation devices. The present invention provides a power-generating magnetostrictive element that is formed from a laminate comprising at least one electromagnetic steel sheet layer which comprises at least one electromagnetic steel sheet and satisfies at least one of the following Condition A and Condition B. Condition A: The at least one electromagnetic steel sheet layer comprises two or more electromagnetic sheets, and the two or more electromagnetic sheets are bonded to each other through a brazing material part. Condition B: The laminate further comprises at least one elastic material layer, and the at least one electromagnetic steel sheet layer is bonded to the elastic material layer through a brazing material part.