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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 10590790 B1

PDFFull Text
Date of Patent:
Mar. 17, 2020

Filed:

Mar. 25, 2016

Hula seal

Applicant:

Ansaldo Energia Switzerland Ag, Baden, CH;

Inventors:

Hans-Christian Mathews, Zürich, CH;

Urs Benz, Gipf-Oberfrick, CH;

Frank Graf, Nussbaumen, CH;

Assignee:

ANSALDO ENERGIA SWITZERLAND AG, Baden, CH;

Attorney:

Buchanan Ingersoll & Rooney PC

Primary Examiner:

Kayla Mccaffrey

Int. Cl.
CPC ...
F01D 11/00 (2006.01); F01D 25/12 (2006.01); F23R 3/60 (2006.01); F01D 9/02 (2006.01); F02C 7/28 (2006.01); F01D 9/04 (2006.01); F23R 3/00 (2006.01); F16J 15/06 (2006.01);
U.S. Cl.
CPC ...
F01D 11/005 (2013.01); F01D 9/02 (2013.01); F01D 9/023 (2013.01); F01D 9/042 (2013.01); F01D 11/003 (2013.01); F01D 25/12 (2013.01); F02C 7/28 (2013.01); F16J 15/061 (2013.01); F16J 15/062 (2013.01); F23R 3/002 (2013.01); F23R 3/60 (2013.01); F05D 2220/32 (2013.01); F05D 2240/12 (2013.01); F05D 2240/55 (2013.01); F05D 2250/14 (2013.01); F05D 2260/20 (2013.01); F23R 2900/00012 (2013.01);
Abstract

The invention concerns a conical hula seal wherein an inner part of the conical hula seal is closer to a conical hula seal longitudinal axis than an outer part of the conical hula seal, and wherein the conical hula seal extends in a circumferential direction relative to the conical hula seal longitudinal axis. A gas turbine which includes the conical hula seal is also disclosed, along with a method of operating a gas turbine which includes a conical hula seal that seals a gap between a first vane and a picture frame, the method including purging the gap with a cooling fluid.

Find Patent Forward Citations

Mathews, Hans-Christian. (2020). Hula seal (U.S. Patent No. 10590790). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10590790

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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