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:
Aug. 28, 2012
Filed:
Mar. 27, 2007
Shinya Goto, Tokyo, JP;
Takeshi Murooka, Tokyo, JP;
Shinya Goto, Tokyo, JP;
Takeshi Murooka, Tokyo, JP;
IHI Corporation, Tokyo, JP;
Abstract
In a blade row of an axial flow type compressor in which a rotor blade row and a stator blade row are alternately arranged in an axial direction, the stator blade rowis formed by plural main stator bladesand plural sub-stator blades. Each main stator bladeis formed by a basic blade portionwhich has the same shape as that of each sub-stator blade and a forward blade portionwhich extends to the upstream side of the basic blade portion. The basic blade portionare located at the same position in an axial direction. The forward blade portionforms a forward stator blade row which has a circumferential interval larger than that of the basic stator blade row in the vicinity of at least a radial inner end.