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:
May. 19, 2020
Filed:
Jun. 19, 2018
Applicant:
Hitachi Industrial Products, Ltd., Chiyoda-ku, Tokyo, JP;
Inventors:
Yasushi Hayasaka, Tokyo, JP;
Masanori Matsumoto, Tokyo, JP;
Yasunori Otsuki, Tokyo, JP;
Tetsuo Fujigaki, Tokyo, JP;
Yoshihiro Yasui, Tokyo, JP;
Motonobu Iizuka, Tokyo, JP;
Masaaki Endou, Tokyo, JP;
Atsushi Fukunaga, Tokyo, JP;
Takeshi Nakayama, Tokyo, JP;
Assignee:
Hitachi Industrial Products, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/02 (2006.01); H02K 3/51 (2006.01); H02K 15/00 (2006.01); H02K 15/10 (2006.01); H02K 13/00 (2006.01);
U.S. Cl.
CPC ...
H02K 3/51 (2013.01); H02K 15/0062 (2013.01); H02K 15/10 (2013.01); H02K 13/003 (2013.01); Y10T 29/49012 (2015.01);
Abstract
A method for manufacturing a neutral ring includes connecting a cut-off neutral ring to an arc-shaped connection element. The method also includes filling an insulator between the cut-off neutral ring and a connection element. The neutral ring shunts the rotor coil in three phases.