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. 17, 2006
Filed:
Jul. 09, 2004
Dimitrie Negulescu, Berlin, DE;
Stephan Lisiewicz, Berlin, DE;
Dimitrie Negulescu, Berlin, DE;
Stephan Lisiewicz, Berlin, DE;
Rolls-Royce Deutschland Ltd & Co KG, Blankenfelde-Mahlow, DE;
Abstract
On a high-pressure turbine rotor wheel, where a blade neck interspace () exists between two adjacent turbine blades () which is defined by the disk lobe () and the opposite blade necks () and blade platforms (), part of the air supplied by the high-pressure cooling channel () is passed via a diverter cooling channel () into the blade neck interspace () to effectively cool the blades and the disk rim () in this area and to simultaneously supply the low-pressure channels () with cooler air and displace the hot sealing air. Thus, the life of the turbine rotor wheel is increased with simple means.