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. 23, 2014
Filed:
Sep. 01, 2010
Hirokazu Matsuzaki, Yamoto, JP;
Ken Maeyama, Kawasaki, JP;
Motoaki Fujimoto, Kawasaki, JP;
Tomonori Kojima, Kawasaki, JP;
Hirokazu Matsuzaki, Yamoto, JP;
Ken Maeyama, Kawasaki, JP;
Motoaki Fujimoto, Kawasaki, JP;
Tomonori Kojima, Kawasaki, JP;
Fujitsu General Limited, Kawasaki-shi, Kanagawa-ken, JP;
Abstract
Disclosed are a single rotor-type axial gap motor with low magnetic loss and high output, and a pump device using the axial gap motor. A first contact surface () is provided on the lateral surface in one circumferential direction of a yoke strip (), and a second contact surface () is provided on the lateral surface in the other circumferential direction of the yoke strip (), wherein the first contact surface () and the second contact surface () are aligned with each other. Defining Asand Asas the surface areas (As) of the first and second contact surfaces (), and Apand Apas the projected surface areas (Ap) of the lateral surfaces of the aforementioned yoke strip seen from the circumferential direction, it holds that As>Ap.