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.

Date of Patent:
Jun. 16, 2015

Filed:

Aug. 30, 2011
Applicants:

Antanu Sadhu, Karnataka, IN;

Prakash Bavanjibhai Dalsania, Karnataka, IN;

Shashwat Swami Jaiswal, Karnataka, IN;

Inventors:

Antanu Sadhu, Karnataka, IN;

Prakash Bavanjibhai Dalsania, Karnataka, IN;

Shashwat Swami Jaiswal, Karnataka, IN;

Assignee:

GENERAL ELECTRIC COMPANY, Schenectady, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/24 (2006.01); F01D 25/30 (2006.01);
U.S. Cl.
CPC ...
F01D 25/24 (2013.01); F01D 25/30 (2013.01); F05D 2250/70 (2013.01); F05D 2250/711 (2013.01);
Abstract

A steam turbine exhaust hood includes an exhaust hood section, and a butterfly plate arranged in the exhaust hood section. The butterfly plate includes a complex curvilinear cross-sectional profile having a first section that extends between a first end portion and a middle portion, and a second section that extends between the middle portion and a second end portion. One of the first and second sections is formed from at least two curvilinear segments including at least one curvilinear segment having a positive curvature and at least one curvilinear segment having a negative curvature.


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