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:
Nov. 27, 2007
Filed:
Mar. 03, 2004
Tsuyoshi Kitamura, Hyogo, JP;
Kenichiro Takeishi, Hyogo, JP;
Masaaki Matsuura, Hyogo, JP;
Ryoma Nogami, Aichi, JP;
Tsuyoshi Kitamura, Hyogo, JP;
Kenichiro Takeishi, Hyogo, JP;
Masaaki Matsuura, Hyogo, JP;
Ryoma Nogami, Aichi, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
A cooled blade of a small gas turbine engine can enhance cooling performance without increasing the amount of cooling air in a simple configuration. A cooled turbine blade is provided with a cooling passagewayformed inside thereof, making the cooling air flow therein. Film-cooling holespenetrate from an inner wall surfaceto an external wall surfaceand form a cooling film. An impingement cooling memberhas a multiple number of small holesejecting the cooling air. A gap t made by the inner wall surfaceand the impingement cooling memberhas a sealing portionmounted thereon which divides the gap in a blade chord direction.