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. 05, 2025
Filed:
Dec. 21, 2021
Mitsubishi Electric Corporation, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
A vacuum circuit breaker comprises: a grounded tank; a vacuum chamber disposed in the grounded tank; an insulating tube disposed between one side end surface inside the grounded tank and one side end surface outside the vacuum chamber; a fixed rod inserted in the vacuum chamber; a fixed-side electrode disposed in the vacuum chamber at one end of the fixed rod; a movable-side electrode disposed in the vacuum chamber so as to face the fixed-side electrode; a movable rod partially disposed in the insulating tube and having one end with the movable-side electrode disposed thereon; a sliding member disposed on the movable rod so as to slide in the insulating tube; and a contact pressure spring disposed at the movable rod between one side end surface inside the grounded tank and the sliding member.