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:
Oct. 30, 2001
Filed:
Dec. 08, 1999
Hartmut Hahnle, Kussaberg, DE;
Kenneth Hall, Gainesville, GA (US);
Sriwickrama Prithiviraj Harasgama, Kunten, CH;
Konrad Vogeler, Küssaberg, DE;
ABB Alstom Power (Schweiz) AG, Baden, CH;
Abstract
The arrangements according to the invention and the method according to the invention serve to cool platforms in turbomachines. To this end, in two platforms,′ arranged directly next to one another and having a separating gap,running between the platforms, at least one cooling passage,is arranged along the separating gap,. In this case, the cooling passage,runs approximately parallel to the surface of the platforms,′. The cooling passage,is preferably designed as a slit-like recess in at least one side wall adjacent to the separating gap,. If blades,′ are arranged on the platforms,′, the cooling passage,expediently runs approximately centrally between the blades. In addition, the cooling passage,preferably has a course similar to the course of the blade profile.