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. 29, 2019
Filed:
Oct. 01, 2018
Applicant:
Nidec Corporation, Kyoto, JP;
Inventors:
Tomohiro Yoneda, Kyoto, JP;
Takaharu Funatsu, Kyoto, JP;
Akitsugu Miwa, Kyoto, JP;
Masakazu Matsuyama, Kyoto, JP;
Junzo Fujinawa, Kyoto, JP;
Tadahiro Kuramoto, Kyoto, JP;
Assignee:
NIDEC CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 33/02 (2006.01); G11B 23/03 (2006.01); G11B 23/38 (2006.01); G11B 25/04 (2006.01);
U.S. Cl.
CPC ...
G11B 33/022 (2013.01); G11B 23/0326 (2013.01); G11B 23/38 (2013.01); G11B 25/043 (2013.01);
Abstract
A base member is structured to define a portion of a casing in which a gas with a density lower than that of air is to be sealed and to support a motor to be housed in the casing. The base member includes a base body made of a cast material, an information mark, and an insulating coating layer. The information mark includes casting information and is located on a portion of a surface of the base body. The insulating coating layer is defined on the surface of the base body and covers the information mark.