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:
Sep. 11, 2018

Filed:

Apr. 17, 2013
Applicant:

Mitsubishi Hitachi Power Systems, Ltd., Kanagawa, JP;

Inventors:

Hideto Nagao, Tokyo, JP;

Hirokazu Shirai, Tokyo, JP;

Taichi Ozaki, Tokyo, JP;

Yasuyuki Tatsumi, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/32 (2006.01); F01D 25/24 (2006.01); F01D 25/30 (2006.01);
U.S. Cl.
CPC ...
F01D 25/32 (2013.01); F01D 25/24 (2013.01); F01D 25/243 (2013.01); F01D 25/246 (2013.01); F01D 25/30 (2013.01); F05D 2220/31 (2013.01); F05D 2260/602 (2013.01); F05D 2260/608 (2013.01);
Abstract

An axial-flow exhaust turbine is capable of discharging water drops collected from a steam passage. The axial-flow exhaust turbine includes: a steam passage in which rotor blades and stator blades are arranged in rows; an exhaust chamber for discharging steam from the steam passage in a turbine axial direction, the exhaust chamber being positioned at a downstream side of the steam passage; a casing including the steam passage and the exhaust chamber inside the casing; an inner partition wall positioned on an inner circumferential side of the casing so as to face the exhaust chamber; and a drain flow channel defined between the casing and the inner partition wall. The water drops collected from the steam passage can pass through the drain flow channel.


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