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:
Aug. 29, 2017
Filed:
Nov. 18, 2010
Applicant:
Ralf Bode, Moers, DE;
Inventor:
Ralf Bode, Moers, DE;
Assignee:
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/44 (2006.01); F01D 11/02 (2006.01); F16J 15/453 (2006.01);
U.S. Cl.
CPC ...
F16J 15/445 (2013.01); F01D 11/02 (2013.01); F16J 15/453 (2013.01); F05D 2300/121 (2013.01); F05D 2300/171 (2013.01); F05D 2300/43 (2013.01); F05D 2300/509 (2013.01);
Abstract
A labyrinth seal for sealing a sealing region between a rotor and stator of a rotary machine includes, a base, and a plurality of sealing rings. The sealing rings are formed on the base, project into the sealing region and form, between them labyrinth valleys bounded, laterally, by the sealing rings and, in the floor of the valleys, by the base. The sealing rings, in at least one region, include at least one material which is different from that of the base.