EXHAUST CHAMBER INLET SIDE MEMBER, EXHAUST CHAMBER, GAS TURBINE, AND LAST STAGE TURBINE BLADE REMOVAL METHOD

Title:

EXHAUST CHAMBER INLET SIDE MEMBER, EXHAUST CHAMBER, GAS TURBINE, AND LAST STAGE TURBINE BLADE REMOVAL METHOD

Document Type and Number:

WIPO Patent Application WO/2015/137010

Kind Code:

A1

Abstract:

The purpose is to remove last stage turbine blades easily. That is to say, an exhaust chamber is provided with an exhaust chamber inlet side member (10) that is formed in an annular shape around a rotor (104) so as to form a portion of the interior diffuser (5) in a location facing, on the downstream side in the axial direction, the basal end of the last stage turbine blade (133) disposed furthest downstream in the axial direction, that is separated in the circumferential direction, and that is removably provided with respect to the interior diffuser (5), and when the exhaust chamber inlet side member is released from the interior diffuser (5), a space is formed on the downstream side in the axial direction of each last stage turbine blade (133).

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Inventors:

HASHIMOTO TAKURO (JP)
WAKI KUNIHIKO (JP)
HASHIMOTO SHINYA (JP)

Application Number:

PCT/JP2015/053007

Publication Date:

September 17, 2015

Filing Date:

February 03, 2015

Export Citation:

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Assignee:

MITSUBISHI HITACHI POWER SYS (JP)

International Classes:

F01D25/30; F01D25/24; F02C7/00

Domestic Patent References:

WO2013035391A1	2013-03-14
WO2013128683A1	2013-09-06

Foreign References:

JP2005083199A	2005-03-31
US20130149107A1	2013-06-13

Attorney, Agent or Firm:

SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)

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