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. 25, 2003
Filed:
Mar. 18, 2002
Akitomi Semba, Hitachi, JP;
Tadashi Sonobe, Iwaki, JP;
Takashi Watanabe, Hitachi, JP;
Yasuomi Yagi, Hitachi, JP;
Junji Sato, Hitachi, JP;
Shinsaku Hakuta, Hitachi, JP;
Hideaki Mori, Chiyoda-machi, JP;
Eiji Tsuji, Hitachi, JP;
Kenichi Hattori, Hitachi, JP;
Atsushi Ishihara, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A rotating machine having a stator core and coolers for cooling a cooling medium which is circulated inside the machine by the rotation of a fan installed near a rotating axis of the rotating machine. The coolers being installed in a ventilation passage for the cooling medium and including at least one cooler installed in one ventilation passage extending from an exhaust side of the fan to a suction side of the fan via the stator core, and at least another cooler installed in another ventilation passage extending from the exhaust side of the fan in the one ventilation passage to an inside of an inner surface of the stator core.