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. 26, 2020
Filed:
Apr. 27, 2015
Mitsubishi Electric Corporation, Tokyo, JP;
Naoki Ohashi, Tokyo, JP;
Shoichiro Nishitani, Tokyo, JP;
Keisuke Murase, Tokyo, JP;
Akihiro Yamamura, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
This invention is concerning a rotary electric machine, this electric motorbeing provided with an inner cylinder, a rotorprovided so as to be rotatable inside the inner cylinder, a statorfixed to the inner cylinderand separated via a gap from an outer periphery of the rotor, and an outer cylinderthat covers an entire periphery of the inner cylinderand forms a space, which serves as a coolant passage, in conjunction with the inner cylinder, wherein both ends of the inner cylinderand the outer cylinderin an axial direction are fixed to each other by cylinder welding portionsformed by welding. Accordingly, a rotary electric machine that is small and light can be obtained at low cost.