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:
Mar. 18, 2014
Filed:
Aug. 26, 2011
Applicants:
Shusaku Yoshida, Fukuoka, JP;
Yuji Nitta, Fukuoka, JP;
Katsuhiko Shiraishi, Fukuoka, JP;
Kazuyuki Shiono, Fukuoka, JP;
Inventors:
Shusaku Yoshida, Fukuoka, JP;
Yuji Nitta, Fukuoka, JP;
Katsuhiko Shiraishi, Fukuoka, JP;
Kazuyuki Shiono, Fukuoka, JP;
Assignee:
Kabushiki Kaisha Yaskawa Denki, Kitakyushu-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 41/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A linear motor armature according to an embodiment includes an armature coil and a cooling jacket. The cooling jacket is provided to surround the armature coil and has an internal space into which a refrigerant is supplied. The cooling jacket is formed in a thin plate shape having a structure in which a channel for supplying the refrigerant is provided in a multiple manner in its thickness direction.