KR920001066A - 부분 유입 작동용 제어단 노즐 날개부 - Google Patents

부분 유입 작동용 제어단 노즐 날개부 Download PDF

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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
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KR
South Korea
Prior art keywords
arc
nozzle
steam turbine
wing
control stage
Prior art date
Application number
KR1019910009277A
Other languages
English (en)
Other versions
KR100228927B1 (ko
Inventor
헤이 트란 맹크
Original Assignee
디. 씨. 에이블스
웨스팅하우스 일렉트릭 코오포레이숀
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 디. 씨. 에이블스, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 디. 씨. 에이블스
Publication of KR920001066A publication Critical patent/KR920001066A/ko
Application granted granted Critical
Publication of KR100228927B1 publication Critical patent/KR100228927B1/ko

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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

부분 유입 작동용 제어단 노즐 날개부
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)

  1. 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.
  2. 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.
  3. 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.
  4. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910009277A 1990-06-07 1991-06-05 부분 유입 작동용 제어단 노즐 베인을 구비한 증기 터빈 KR100228927B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/534,565 US5080558A (en) 1990-06-07 1990-06-07 Control stage nozzle vane for use in partial arc operation
US534,565 1990-06-07

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0979458A4 (en) 1996-05-14 2000-05-03 Ricoh Corp 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CA2044027A1 (en) 1991-12-08
ES2044747B1 (es) 1996-07-16
US5080558A (en) 1992-01-14
ES2044747R (ko) 1996-01-01
JPH0776521B2 (ja) 1995-08-16
IT1305886B1 (it) 2001-05-21
ITMI911355A1 (it) 1992-11-17
CN1027093C (zh) 1994-12-21
ITMI911355A0 (it) 1991-05-17
JPH04231604A (ja) 1992-08-20
CN1057090A (zh) 1991-12-18
KR100228927B1 (ko) 1999-12-01
ES2044747A2 (es) 1994-01-01

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