KR920001066A - 부분 유입 작동용 제어단 노즐 날개부 - Google Patents
부분 유입 작동용 제어단 노즐 날개부 Download PDFInfo
- Publication number
- KR920001066A KR920001066A KR1019910009277A KR910009277A KR920001066A KR 920001066 A KR920001066 A KR 920001066A KR 1019910009277 A KR1019910009277 A KR 1019910009277A KR 910009277 A KR910009277 A KR 910009277A KR 920001066 A KR920001066 A KR 920001066A
- Authority
- KR
- South Korea
- Prior art keywords
- arc
- nozzle
- steam turbine
- wing
- control stage
- Prior art date
Links
Classifications
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Control Of Turbines (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도
내용없음
제2도는 4개의 원호형 유입부가 도시된 증기 터어빈의 개략도,
제3도는 본 발명에 따른 2개의 인접한 노즐 날개부 디자인의 단면도.
Claims (4)
- 원주방향을 따라 배치된 복수개의 원호부(36, 38, 40, 42)로 나뉘어지는 일렬의 노즐 날개부를 포함하고, 상기 원호부중 적어도 하나는 제1의 원호형 증기 유입부이고, 상기 각각의 노즐 날개부는 후단부(26a, 28a)와, 선단부(22, 24)와, 압력측면(18, 20)과, 흡입측면(14, 16)을 갖는 증기 터어빈에 있어서, 적어도 상기 제1원호형 유입부에 배치된 노즐 날개부(10, 12)의 상기 후단부(26A, 28A)가 나머지 노즐 날개부보다 더 두꺼운 것을 특징으로 하는 증기 터어빈.
- 제1항에 있어서, 상기 제1원호형 유입부의 상기 노즐 날개부(10, 12)와 상기 나머지 노즐 날개부는 같은 크기의 목부 개방공(30) 및 피치(32)를 갖는 것을 특징으로 하는 증기 터어빈.
- 제1항 또는 2항에 있어서, 상기 제1원호형 유입부의 상기 노즐 날개부(10, 12)는 상기 목부개방공의 측정점으로 부터 상기 후단부(26A, 28A)에 이르는 흡입측면(14, 16)의 일부에 걸쳐서 증가된 곡률 반경을 갖는 것을 특징으로 하는 증기 터어빈.
- ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US534,565 | 1990-06-07 | ||
US07/534,565 US5080558A (en) | 1990-06-07 | 1990-06-07 | Control stage nozzle vane for use in partial arc operation |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920001066A true KR920001066A (ko) | 1992-01-29 |
KR100228927B1 KR100228927B1 (ko) | 1999-12-01 |
Family
ID=24130605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910009277A KR100228927B1 (ko) | 1990-06-07 | 1991-06-05 | 부분 유입 작동용 제어단 노즐 베인을 구비한 증기 터빈 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5080558A (ko) |
JP (1) | JPH0776521B2 (ko) |
KR (1) | KR100228927B1 (ko) |
CN (1) | CN1027093C (ko) |
CA (1) | CA2044027A1 (ko) |
ES (1) | ES2044747B1 (ko) |
IT (1) | IT1305886B1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997043720A1 (en) | 1996-05-14 | 1997-11-20 | Ricoh Company, Ltd. | Java printer |
JP3772019B2 (ja) | 1998-04-21 | 2006-05-10 | 株式会社東芝 | 蒸気タービン |
US8292567B2 (en) * | 2006-09-14 | 2012-10-23 | Caterpillar Inc. | Stator assembly including bleed ports for turbine engine compressor |
EP2157287A1 (en) | 2008-08-22 | 2010-02-24 | ALSTOM Technology Ltd | Multifrequency control stage for improved dampening of excitation factors |
US8739539B2 (en) * | 2010-11-08 | 2014-06-03 | Dresser-Rand Company | Alternative partial steam admission arc for reduced noise generation |
DE102011006658A1 (de) * | 2011-04-01 | 2012-02-16 | Siemens Aktiengesellschaft | Wirkungsgraderhöhung einer Regelstufe einer Gleichdruckturbine |
US20140286758A1 (en) * | 2013-03-19 | 2014-09-25 | Abb Turbo Systems Ag | Nozzle ring with non-uniformly distributed airfoils and uniform throat area |
DE102015224283A1 (de) * | 2015-12-04 | 2017-06-08 | MTU Aero Engines AG | Leitschaufelcluster für eine Strömungsmaschine |
US20210062657A1 (en) * | 2019-08-30 | 2021-03-04 | General Electric Company | Control stage blades for turbines |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1755321A (en) * | 1926-04-02 | 1930-04-22 | Welding Engineers | Welding hydraulic apparatus |
GB309235A (en) * | 1928-01-11 | 1929-04-11 | Charles Algernon Parsons | Improvements in and relating to turbines |
US3699623A (en) * | 1970-10-20 | 1972-10-24 | United Aircraft Corp | Method for fabricating corrosion resistant composites |
JPS5420207A (en) * | 1977-07-15 | 1979-02-15 | Mitsui Eng & Shipbuild Co Ltd | Construction for preventing dust of axial flow turbine |
JPS5848703A (ja) * | 1981-09-18 | 1983-03-22 | Hitachi Ltd | タ−ビン静止翼列 |
JPS5963305A (ja) * | 1982-04-07 | 1984-04-11 | Hitachi Ltd | 蒸気タ−ビン用部材 |
US4780057A (en) * | 1987-05-15 | 1988-10-25 | Westinghouse Electric Corp. | Partial arc steam turbine |
JPS6483803A (en) * | 1987-09-25 | 1989-03-29 | Hitachi Ltd | Structure for arranging steam stationary blade |
-
1990
- 1990-06-07 US US07/534,565 patent/US5080558A/en not_active Expired - Lifetime
-
1991
- 1991-05-17 IT IT1991MI001355A patent/IT1305886B1/it active
- 1991-06-04 JP JP3132837A patent/JPH0776521B2/ja not_active Expired - Lifetime
- 1991-06-05 KR KR1019910009277A patent/KR100228927B1/ko not_active IP Right Cessation
- 1991-06-05 CN CN91103864A patent/CN1027093C/zh not_active Expired - Fee Related
- 1991-06-06 ES ES09101369A patent/ES2044747B1/es not_active Expired - Fee Related
- 1991-06-06 CA CA002044027A patent/CA2044027A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ITMI911355A0 (it) | 1991-05-17 |
ES2044747B1 (es) | 1996-07-16 |
KR100228927B1 (ko) | 1999-12-01 |
ES2044747A2 (es) | 1994-01-01 |
CN1027093C (zh) | 1994-12-21 |
CA2044027A1 (en) | 1991-12-08 |
ITMI911355A1 (it) | 1992-11-17 |
IT1305886B1 (it) | 2001-05-21 |
JPH0776521B2 (ja) | 1995-08-16 |
US5080558A (en) | 1992-01-14 |
JPH04231604A (ja) | 1992-08-20 |
CN1057090A (zh) | 1991-12-18 |
ES2044747R (ko) | 1996-01-01 |
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