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:
Jan. 12, 2016
Filed:
Sep. 18, 2014
Applicant:
Alstom Technology Ltd, Baden, CH;
Inventors:
Vasileios Stefanis, Niederrohrdorf, CH;
Christos Georgakis, Leicester, GB;
Assignee:
ALSTOM Technology Ltd, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/02 (2006.01); F16J 15/44 (2006.01);
U.S. Cl.
CPC ...
F01D 11/02 (2013.01); F16J 15/44 (2013.01); F05B 2220/301 (2013.01); F05B 2240/571 (2013.01);
Abstract
An improved labyrinth seal is described with the seal including a group of several fins forming circumferential barriers against the flow of a working fluid between stationary and rotating parts in a turbine, wherein within the group the volume between the penultimate fin and the last fin is altered compared to the average volume between other adjacent fins of the group.