Title:
GAS TURBINE
Document Type and Number:
WIPO Patent Application WO/2018/070797
Kind Code:
A1
Abstract:
A gas turbine according to the present invention comprises: a strut assembly comprising an inner ring; an inclined part comprising a first end connected to the inner ring, a second end disposed on the side opposite the first end, and a flange extending inward from the second end in a radial direction; an oil sump mounted to the second end or the flange; a thrust bearing fixed to the oil sump; and a thrust collar extending from the rotor in a radial direction, wherein an opening is formed in the inclined part, the opening being located in an upper portion of a region between the thrust bearing and the journal bearing, and the width and circumferential length of the opening being greater than at least the width and circumferential length of the journal bearing. The gas turbine according to an embodiment of the present invention has advantages in that the journal bearing is easily withdrawn during maintenance of the gas turbine, and, the shorter length of the rotor reduces the total weight of the gas turbine and increases the critical speed of the gas turbine.
Inventors:
KIM YEONG CHUN (KR)
KIM JEONG MIN (KR)
KIM JEONG MIN (KR)
Application Number:
PCT/KR2017/011237
Publication Date:
April 19, 2018
Filing Date:
October 12, 2017
Export Citation:
Assignee:
DOOSAN HEAVY IND & CONSTRUCTION CO LTD (KR)
International Classes:
F02C7/20; F01D25/16; F01D25/28
Domestic Patent References:
| WO2016078926A1 | 2016-05-26 |
Foreign References:
| KR20150119440A | 2015-10-23 | |||
| JPH0960532A | 1997-03-04 | |||
| JP2000213542A | 2000-08-02 | |||
| JP2005240691A | 2005-09-08 |
Attorney, Agent or Firm:
HONESTY & JR PARTNERS INTELLECTUAL PROPERTY LAW GROUP (KR)
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