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. 23, 2018
Filed:
Jan. 21, 2015
Mitsubishi Electric Corporation, Tokyo, JP;
Masashi Ono, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
The single-phase induction motor includes a stator fixed in a cylindrical frame by shrink-fitting or press-fitting, a main winding wire and an auxiliary winding wire provided on the stator, and a rotor provided on an inner circumferential side of the stator, in which an arc-shaped arc portion and a linear cutout portion are formed on an outer circumference of the stator, the arc portion is arranged on the outer circumference of the stator in a direction of the main winding wire magnetic pole with respect to the center of the stator, and a relief portion for reducing a contact area between the arc portion and an inner circumferential surface of the frame is formed on the arc portion.