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:
Feb. 02, 2010
Filed:
Mar. 09, 2004
Manabu Yagi, Tsuchiura, JP;
Kuniyoshi Tsubouchi, Mito, JP;
Tadaharu Kishibe, Hitachinaka, JP;
Susumu Nakano, Hitachi, JP;
Satoshi Dodo, Kasama, JP;
Manabu Yagi, Tsuchiura, JP;
Kuniyoshi Tsubouchi, Mito, JP;
Tadaharu Kishibe, Hitachinaka, JP;
Susumu Nakano, Hitachi, JP;
Satoshi Dodo, Kasama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A turbine nozzle () that, among components constructing a turbine, reaches particularly high temperature is efficiently cooled with a relatively simple structure. A double casing structure in which a turbine casing () is provided outside a turbine shell () is formed. The turbine casing () functions as a flow path () for compressed air () before combustion. The turbine shell () covers a turbine nozzle () and a radial turbine impeller () and forms flow paths () for combustion gas (). The compressed air () before combustion flowing in the flow path (), for compressed air, having air-tightness between itself and the outside air is blown to the turbine nozzle () through a through-hole () penetrating both wall surfaces of the turbine shell () so that the turbine nozzle () is evenly cooled and the compressed air used to cool the turbine nozzle is made to flow toward the turbine impeller ().