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:
Dec. 27, 2005
Filed:
Apr. 23, 2004
Rolf Dittmann, Nussbaumen, CH;
Jonas Hurter, Baden, CH;
Robert Marmilic, Nussbaumen, CH;
Pierre Meylan, Magglingen-Macolin, CH;
Ernst Pauli, Zürich, CH;
Rolf Dittmann, Nussbaumen, CH;
Jonas Hurter, Baden, CH;
Robert Marmilic, Nussbaumen, CH;
Pierre Meylan, Magglingen-Macolin, CH;
Ernst Pauli, Zürich, CH;
ALSTOM Technology Ltd, Baden, CH;
Abstract
In order to avoid the 'buckling' of multi-shell turbomachine casings during a cooling phase following the shutdown, it is proposed to provide means in order to suitably discharge warm medium which collects at a point of the casing cavity situated at the highest geodetic level. In an embodiment, it is proposed to allow the corresponding lines to open out in the stack of a power plant; the stack draft effect assists the flow even further. Regulating members are advantageously provided in the lines in order to shut off these lines during operation of the turbomachine on the one hand and in order not to arrange the flow through the casing cavities too intensively on the other hand.