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, 2009
Filed:
Sep. 26, 2006
Applicants:
Makoto Hemmi, Hitachinaka, JP;
Takashi Watanabe, Hitachi, JP;
Takahiko Sano, Hitachi, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 5/16 (2006.01); H02K 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The seal devices on both ends of the rotary shaft are supported by the casing, the bearing on one end of the rotary shaft is supported by a bearing pedestal which is separated of the casing, the bearing on the other end of the rotary shaft is supported by the casing, the seal ring of the seal device on one end of the rotary shaft is divided into circumferential segments, and the seal ring of the seal device on the other end of the shaft is a unified seal ring.