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. 17, 2001
Filed:
Jun. 05, 2000
Applicant:
Inventors:
Akitomi Semba, Hitachi, JP;
Tadashi Sonobe, Iwaki, JP;
Takashi Watanabe, Hitachi, JP;
Yasuomi Yaji, Hitachi, JP;
Junji Sato, Hitachi, JP;
Shinsaku Hakuta, Hitachi, JP;
Hideaki Mori, Chiyoda, JP;
Eiji Tsuji, Hitachi, JP;
Kenichi Hattori, Hitachi, JP;
Atsushi Ishihara, Hitachi, JP;
Assignee:
Hitachi, LTD, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 9/00 ;
U.S. Cl.
CPC ...
H02K 9/00 ;
Abstract
A rotating machine equipped with coolers for cooling a cooling medium which is circulated inside the machine by the rotation of a fan installed on the rotating axis. The coolers includes two or more coolers installed in a ventilation passage for the cooling medium. At least part of the cooling medium cooled by one cooler is further cooled by another cooler.