Title:
GAS TURBINE ENGINE AND METHOD FOR CONTROLLING SAME
Document Type and Number:
WIPO Patent Application WO/2018/110476
Kind Code:
A1
Abstract:
Disclosed is a gas turbine engine (1) that combusts, with a combustor (3), compressed air (CA) compressed by a compressor (2), and drives a turbine (5) by a high-temperature, high-pressure combustion gas (G) which has been generated, the gas turbine engine comprising: bearing chambers (7, 8) respectively housing bearings supporting an engine rotary shaft (6); a low-pressure air supply path (11) that supplies the compressed air (CA) to the bearing chambers (7, 8) from a low-pressure-stage side of the compressor (2); a high-pressure air supply path (12) that supplies the compressed air (CA) to the bearing chambers (7, 8) from a high-pressure-stage side of the compressor (2); and a switching mechanism (17) capable of switching between the low-pressure air supply path (11) and the high-pressure air supply path (12).
Inventors:
NAKAYAMA SATOSHI (JP)
OKA AKIHISA (JP)
SEIKE HIROKI (JP)
OKA AKIHISA (JP)
SEIKE HIROKI (JP)
Application Number:
PCT/JP2017/044277
Publication Date:
June 21, 2018
Filing Date:
December 11, 2017
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
F02C7/28; F01D11/04; F01D25/16; F02C7/18; F02C9/18
Foreign References:
| US20120156005A1 | 2012-06-21 | |||
| JP2013024079A | 2013-02-04 | |||
| JPS52101311A | 1977-08-25 | |||
| JP2009185807A | 2009-08-20 | |||
| JP2010038071A | 2010-02-18 | |||
| JP2015511684A | 2015-04-20 |
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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