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.:

US 9885246 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 06, 2018

Filed:

Jun. 17, 2013
Applicant:

Siemens Aktiengesellschaft, Munich, DE;

Inventors:

Johan Flegler, Essen, DE;

Thomas Helmis, Mulheim an der Ruhr, DE;

Norbert Surken, Mulheim a.d. Ruhr, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/02 (2006.01); F01D 11/04 (2006.01); F16J 15/40 (2006.01);
U.S. Cl.
CPC ...
F01D 11/02 (2013.01); F01D 11/04 (2013.01); F16J 15/40 (2013.01);
Abstract

A sealing arrangement for a duct, through a stationary housing, of a shaft which rotates about an axis is provided, wherein a sealing liquid is used for sealing instead of sealing steam. The sealing arrangement includes a seal, having a vapor steam extraction system, and a feed line, which is arranged between the inner space and the vapor steam extraction system and is designed for supplying a sealing liquid, wherein a labyrinth seal, a brush seal with metallic bristles, a brush seal with bristles made of natural fibers and/or a brush seal made of synthetic fibers is provided for sealing off with respect to the inner space and the vapor steam extraction system.


Find Patent Forward Citations

Flegler, Johan. (2018). Sealing arrangement of a steam turbine in which a sealing liquid and a vapor steam extraction system are used (U.S. Patent No. 9885246). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9885246

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