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. 01, 2020
Filed:
Oct. 25, 2017
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventor:
Yuichi Takai, Tokyo, JP;
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 33/66 (2006.01); H01H 33/662 (2006.01);
U.S. Cl.
CPC ...
H01H 33/66261 (2013.01); H01H 33/66207 (2013.01); H01H 2033/66276 (2013.01);
Abstract
A vacuum interrupter according to the present invention includes: a vacuum container formed by two insulation containers each having an opening at one end thereof, the openings being opposed to each other; a pair of electrodes provided inside the vacuum container; and an arc shield having a contamination preventing portion surrounding the electrodes, and projections projecting in a direction along an outer circumferential surface of the contamination preventing portion, the arc shield being positioned by the projections being engaged with the openings.