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:
Jan. 15, 1980
Filed:
Jan. 04, 1978
Kitao Takahara, Tachikawa, JP;
Hiroyuki Nose, Tokyo, JP;
Makoto Sasaki, Komae, JP;
Kimio Sakata, Chofu, JP;
Abstract
A hollow, air-cooled turbine blade of the type having a plurality of ridges and projections extended inwardly from an interior surface of said blade, an insert snugly fitted into a space defined and supported by the ridges and projections and cooling air passages for communicating the space inside the insert with an exterior blade surface, said air passage including a first passage for communicating the space through a space defined between the insert and a wall of the blade with the exterior blade surface and a second air passage for communicating the space within the insert through at least some of the projections directly with the exterior blade surface.