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:
May. 07, 2024
Filed:
Jan. 11, 2019
Applicant:
Turboden S. P. A., Brescia, IT;
Inventors:
Assignee:
TURBODEN S.P.A., Brescia, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F16J 15/34 (2006.01); F16J 15/36 (2006.01);
U.S. Cl.
CPC ...
F01D 11/001 (2013.01); F01D 11/003 (2013.01); F16J 15/3448 (2013.01); F16J 15/363 (2013.01); F05D 2240/55 (2013.01); F05D 2260/406 (2013.01);
Abstract
A rotating turbomachine provided with a fluid sealing device, comprising an extensible/dilatable bellows piston to make a sealing surface abut against a rotor disc, or against the head of the shaft, therefore confining the working fluid in the turbomachine stopped during the respective maintenance operations, is described. A coolant is supplied inside the bellows piston during the normal operations of the machine.