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:
Dec. 09, 1997
Filed:
Apr. 04, 1996
Applicant:
Inventors:
Manabu Matsumoto, Ibaraki-machi, JP;
Kazuhiko Kawaike, Hitachinaka, JP;
Takashi Ikeguchi, Hitachi, JP;
Shunichi Anzai, Hitachi, JP;
Masami Noda, Hitachinaka, JP;
Nobuaki Kizuka, Hitachinaka, JP;
Shin'ichi Higuchi, Hitachinaka, JP;
Shinya Marushima, Hitachinaka, JP;
Masaru Sekihara, Chiyoda-machi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
416 95 ; 415114 ; 415115 ; 60 3975 ;
Abstract
A vapor cooled gas turbine has a cooling system including a vapor supply port and a vapor recovery port, and the cooling system is formed so that vapor from the supply port is supplied to blades through a central supply passage in a rotor and the vapor having cooled the blades is recovered from the recovery port through a recovery passage spaced outwardly from the supply passage.