KR20210016428A - 베어링 섬프용 통기 시스템 - Google Patents
베어링 섬프용 통기 시스템 Download PDFInfo
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- KR20210016428A KR20210016428A KR1020207037759A KR20207037759A KR20210016428A KR 20210016428 A KR20210016428 A KR 20210016428A KR 1020207037759 A KR1020207037759 A KR 1020207037759A KR 20207037759 A KR20207037759 A KR 20207037759A KR 20210016428 A KR20210016428 A KR 20210016428A
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- Prior art keywords
- turbine
- gas
- section
- shaft
- bearing
- Prior art date
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- Granted
Links
- 238000009423 ventilation Methods 0.000 title claims description 14
- 239000007789 gas Substances 0.000 claims abstract description 111
- 238000005096 rolling process Methods 0.000 claims description 23
- 239000000567 combustion gas Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 6
- 238000013022 venting Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 46
- 238000011144 upstream manufacturing Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013500 performance material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
- F02C3/10—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with another turbine driving an output shaft but not driving the compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/162—Bearing supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/166—Sliding contact bearing
- F01D25/168—Sliding contact bearing for axial load mainly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
- F05D2260/602—Drainage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
- F05D2260/605—Venting into the ambient atmosphere or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Materials For Medical Uses (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
Description
도 1은 본 명세서에 개시된 실시예에 따른, 가스 터빈에 의해 구동되는 가스 압축기 트레인을 포함하는 시스템의 개략도.
도 2는 본 발명의 실시예에 따른 가스 터빈 엔진의 개략 단면도.
도 3은 본 발명에 따른 가스 터빈 엔진의 터빈 섹션의 일부분의 더 상세한 확대 단면도.
도 4는 본 발명의 방법을 요약하는 흐름도.
Claims (9)
- 항공 엔진 파생형(aeroderivative) 가스 터빈 엔진(2)으로서,
- 압축기 섹션(11)으로 구성되는 가스 발생기(66); 및
- 상기 가스 발생기(66)로부터 기계적으로 분리된 동력 터빈 샤프트(93)에 의해 지지되는 동력 터빈 회전자(rotor)(81)를 갖는 동력 터빈 섹션(65)
을 포함하고,
상기 동력 터빈 샤프트(93)는 베어링 섬프(bearing sump)(521)와 유동적으로 결합된 축방향 공동(cavity)(511)을 내부에 가지며; 상기 베어링 섬프(521)는 상기 압축기 섹션(11)과 유동적으로 결합되고, 상기 가스 발생기(66)의 샤프트(92)를 지지하는 적어도 하나의 베어링(106)을 수용하며; 공기 통기 경로(air venting path)(527)가 상기 축방향 공동(511)으로부터 연장되고, 상기 동력 터빈 회전자(81)의 하류에서 연소 가스 유동 경로(515)로 이어지는, 가스 터빈 엔진(2). - 제1항에 있어서, 상기 가스 발생기(66)는 적어도, 제1 터빈 샤프트(91)로 구성되는 고압 터빈 섹션(61), 및 상기 적어도 하나의 베어링(106)에 의해 지지되는 제2 터빈 샤프트(92)로 구성되는 중압 터빈 섹션(63)을 포함하는, 가스 터빈 엔진(2).
- 제1항에 있어서, 상기 가스 발생기(66)는,
제1 터빈 샤프트(91)에 의해 서로 구동식으로 결합되는 고압 터빈 섹션(61) 및 고압 압축기 섹션(19);
제2 터빈 샤프트(92)에 의해 서로 구동식으로 결합되는 중압 터빈 섹션(63) 및 저압 압축기 섹션(17); 및
상기 고압 압축기 섹션(19)에 그리고 상기 고압 터빈 섹션(61)에 유동적으로 결합되는 연소기 섹션(13)
을 포함하고,
상기 제1 터빈 샤프트(91) 및 상기 제2 터빈 샤프트(92)는 동축으로 배열되며, 상기 제2 터빈 샤프트(92)는 상기 제1 터빈 샤프트(91)를 통해 연장되는, 가스 터빈 엔진(2). - 제3항에 있어서, 상기 베어링 섬프(521) 내에 배열된 상기 적어도 하나의 베어링(106)은 상기 제2 터빈 샤프트(92)를 지지하는, 가스 터빈 엔진(2).
- 제1항 내지 제4항 중 어느 한 항에 있어서, 평형 피스톤 공동(balance piston cavity)(533)이 상기 가스 발생기(66)의 반대편인 상기 동력 터빈 회전자(81)의 측에 제공되는, 가스 터빈 엔진(2).
- 제5항에 있어서, 상기 공기 통기 경로(527)는 상기 동력 터빈 회전자의 반대편인 상기 평형 피스톤 공동(533)의 측에서 반경방향으로 연장되는, 가스 터빈 엔진(2).
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 동력 터빈 샤프트(93)는 롤링 베어링(107, 108, 109)들에 의해 지지되는, 가스 터빈 엔진(2).
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 동력 터빈 회전자(81)는 상기 동력 터빈 샤프트(93) 상에서 돌출하는 구성으로 장착되고, 상기 동력 터빈 샤프트(93)는 상기 가스 발생기(66)의 반대편인 상기 동력 터빈 회전자(81)의 측에 배열되는 베어링(107, 108, 109)들에 의해 지지되는, 가스 터빈 엔진(2).
- 가스 터빈 엔진을 작동시키는 방법으로서,
상기 가스 터빈 엔진(2)의 가스 발생기(66)를 작동시키고 이에 의해 연소 가스를 생성하는 단계로서, 상기 가스 발생기는 적어도, 베어링 섬프(521) 내에 배열되는 적어도 하나의 베어링(106)에 의해 지지되는 회전 샤프트(92)를 포함하는, 상기 단계;
동력 터빈 샤프트(93)에 의해 지지되는 동력 터빈 회전자(81)를 포함하는 동력 터빈 섹션(65) 내에서 상기 연소 가스를 팽창시키는 단계;
상기 베어링 섬프(521)를 상기 가스 발생기(66)의 압축기 섹션(11)으로부터의 압축 공기로 플러싱(flushing)하는 단계; 및
상기 베어링 섬프(521)로부터의 공기를, 상기 동력 터빈 샤프트(93)의 공동(511) 내로 그리고 상기 동력 터빈 회전자(81)의 하류에서 연소 가스 유동 경로(515)와 유동적으로 결합된 통기 경로(527)를 통해 통기시키는 단계
를 포함하는, 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102018000006394 | 2018-06-18 | ||
IT102018000006394A IT201800006394A1 (it) | 2018-06-18 | 2018-06-18 | Sistema di spurgo per cassa cuscino |
PCT/EP2019/025183 WO2019242888A1 (en) | 2018-06-18 | 2019-06-14 | Venting system for bearing sump |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20210016428A true KR20210016428A (ko) | 2021-02-15 |
KR102529655B1 KR102529655B1 (ko) | 2023-05-04 |
Family
ID=63312431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020207037759A Active KR102529655B1 (ko) | 2018-06-18 | 2019-06-14 | 베어링 섬프용 통기 시스템 |
Country Status (10)
Country | Link |
---|---|
US (1) | US11352952B2 (ko) |
EP (1) | EP3807499B1 (ko) |
JP (1) | JP7130066B2 (ko) |
KR (1) | KR102529655B1 (ko) |
CN (1) | CN112236580B (ko) |
AU (1) | AU2019290849B9 (ko) |
CA (1) | CA3103026C (ko) |
IT (1) | IT201800006394A1 (ko) |
RU (1) | RU2753385C1 (ko) |
WO (1) | WO2019242888A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7558128B2 (ja) | 2021-08-10 | 2024-09-30 | 三菱重工業株式会社 | 2軸式ガスタービン |
US12203413B1 (en) * | 2023-06-29 | 2025-01-21 | Rtx Corporation | Bearing configuration for a rotational equipment assembly |
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2018
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2019
- 2019-06-14 AU AU2019290849A patent/AU2019290849B9/en active Active
- 2019-06-14 CN CN201980038364.XA patent/CN112236580B/zh active Active
- 2019-06-14 US US17/251,269 patent/US11352952B2/en active Active
- 2019-06-14 EP EP19732542.6A patent/EP3807499B1/en active Active
- 2019-06-14 KR KR1020207037759A patent/KR102529655B1/ko active Active
- 2019-06-14 RU RU2020141571A patent/RU2753385C1/ru active
- 2019-06-14 WO PCT/EP2019/025183 patent/WO2019242888A1/en unknown
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US20160102580A1 (en) * | 2014-10-13 | 2016-04-14 | Pw Power Systems, Inc. | Power turbine inlet duct lip |
JP2017008937A (ja) * | 2015-06-24 | 2017-01-12 | ゼネラル・エレクトリック・カンパニイ | ガスタービンエンジン |
Also Published As
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IT201800006394A1 (it) | 2019-12-18 |
KR102529655B1 (ko) | 2023-05-04 |
AU2019290849A1 (en) | 2021-01-21 |
JP7130066B2 (ja) | 2022-09-02 |
JP2021526610A (ja) | 2021-10-07 |
CA3103026C (en) | 2022-04-05 |
AU2019290849B2 (en) | 2021-05-20 |
CN112236580A (zh) | 2021-01-15 |
US20210270184A1 (en) | 2021-09-02 |
WO2019242888A1 (en) | 2019-12-26 |
AU2019290849B9 (en) | 2021-06-10 |
CN112236580B (zh) | 2023-06-30 |
EP3807499B1 (en) | 2022-07-27 |
EP3807499A1 (en) | 2021-04-21 |
BR112020024942A2 (pt) | 2021-03-09 |
US11352952B2 (en) | 2022-06-07 |
RU2753385C1 (ru) | 2021-08-13 |
CA3103026A1 (en) | 2019-12-26 |
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