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:
Jul. 22, 2014
Filed:
Jun. 28, 2010
Koji Kawashima, Tokyo, JP;
Fumio Matsumoto, Tokyo, JP;
Koji Kawashima, Tokyo, JP;
Fumio Matsumoto, Tokyo, JP;
Mitsubishi Electric Corporation, Chiyoda-Ku, Tokyo, JP;
Abstract
In a totally-enclosed horizontal rotating electric machine in which a rotor horizontally arranged and a stator arranged at an outer circumference side of the rotor are hermetically sealed in a main frame, and the rotor and the stator are cooled by circulating refrigerant gas, which is encapsulated in the main frame, through a refrigerant passageway, and water-cooled heat exchangers for cooling the refrigerant gas are provided on the way of the refrigerant passageway, the heat exchangers are respectively arranged in a longitudinal direction at each of positions neighboring both left-right end portions at a front side and both left-right end portions at a rear side of the main frame, and a feed-water inlet and a drain outlet of cooling water are provided at an upper side of the heat exchangers.