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KR920015020A - 개선된 케이스를 갖는 가스 터어빈 엔진 - Google Patents

개선된 케이스를 갖는 가스 터어빈 엔진 Download PDF

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Publication number
KR920015020A
KR920015020A KR1019920001306A KR920001306A KR920015020A KR 920015020 A KR920015020 A KR 920015020A KR 1019920001306 A KR1019920001306 A KR 1019920001306A KR 920001306 A KR920001306 A KR 920001306A KR 920015020 A KR920015020 A KR 920015020A
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KR
South Korea
Prior art keywords
flow
passage
gas turbine
turbine engine
rotor
Prior art date
Application number
KR1019920001306A
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English (en)
Other versions
KR100198721B1 (ko
Inventor
지. 코프 스티븐
피. 닉카넨 존
에스. 매자위 로버트
Original Assignee
노먼 프리드랜드
유나이티드 테크놀로지스 코포레이션
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
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Application filed by 노먼 프리드랜드, 유나이티드 테크놀로지스 코포레이션 filed Critical 노먼 프리드랜드
Publication of KR920015020A publication Critical patent/KR920015020A/ko
Application granted granted Critical
Publication of KR100198721B1 publication Critical patent/KR100198721B1/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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • 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
    • F02C3/14—Gas-turbine plants characterised by the use of combustion products as the working fluid characterised by the arrangement of the combustion chamber in the plant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/914—Device to control boundary layer

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)

Abstract

내용 없음

Description

개선된 케이스를 갖는 가스 터어빈 엔진
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 개략적인 부분도로서, 항공기의 동력 궁급용 팬 제트엔진의 팬의 케이스에 이용되는 경우를 나타내는 도면임, 제2도는 제1도의 케이스 장치의 확대도로서, 상기 케이스 장치의 흐름패턴을 개략적으로 도시하는 도면임, 제3도는 본 발명에 따른 케이스 장치의 일 실시태양에 대한 사시도, 제4도는 제3도의 구조체의 상측 표면에 대한 사시도.

Claims (4)

  1. 팬로터와, 주 스트림을 형성하기 위하여 상기 팬로터를 둘러싸고 있는 수단을 갖는 가스 터어빈 엔진에 있어서, 상기 둘러싸는 수단내의 일 통로는 상기 팬 로터의 팬 블레이드의 전단의 하류에 위치하여 상기 로터에 대해 운동량이 낮은 흐름을 상기 주 흐름으로부터 상기 통래내로 취입시키는 입구 통로와, 상기 입구 통로 상류의 일 지점에 위치하여 상기 이탈된 흐름을 상기 입구 통로내의 흐름속도보다 높은 속도로 상기 주 흐름으로 반환시키는 출구를 가지며, 상기 통로내의 와류방지형 베인을 상기 저운동량 흐름의 와류를 직선화 또는 역전시키고, 상기 통로내의 흐름은 상기 주 흐름내 전체 흐름량의 8%를 초과하지 않으며, 상기 입구 통로는 로터에 대해 축방향 속도가 큰 강렬한 흐름은 상기 통로내에서 재순환되지 않도록 하고, 상기 로터에 대해 축방향 속도는 작으나 접선 방향 속도의 절대값은 큰, 로터에 대해 저운동량의 흐름은 주 흐름으로부터 선택적으로 제거시킬 수 있도록 상기 주 흐름에 대해 배향되어 있는 가스 터어빈 엔진.
  2. 제1항에 있어서, 상기 둘러싸는 수단은 상기 팬 블레이드의 정점을 둘러싸는 외측 보호판을 포함하고, 상기 통로는 상기 외측 보호판내에 형성되며, 상기 입구 통로와 상기 출구 통로는 상기 팬 블레이드의 후단과 전단의 중간에 배치되는 가스 터어빈 엔진.
  3. 제2항에 있어서, 상기 출구통로는 상기 이탈된 흐름을 상기 주 흐름내로 주입시킬 수 있도록 상기 주 스트림의 흐름방향쪽으로 향해 있는 가스 터어빈 엔진.
  4. 제3항에 있어서, 상기 입구 통로와 상기 출구 통로는 상기 통로의 말단에 환형 개구를 갖는 가스 터어빈 엔진.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920001306A 1991-01-30 1992-01-29 개선된 케이스를 갖는 가스 터어빈 엔진 KR100198721B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64849991A 1991-01-30 1991-01-30
US648,499 1991-01-30

Publications (2)

Publication Number Publication Date
KR920015020A true KR920015020A (ko) 1992-08-26
KR100198721B1 KR100198721B1 (ko) 1999-06-15

Family

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KR1019920001306A KR100198721B1 (ko) 1991-01-30 1992-01-29 개선된 케이스를 갖는 가스 터어빈 엔진

Country Status (5)

Country Link
US (1) US5308225A (ko)
EP (1) EP0497574B1 (ko)
JP (1) JP3212341B2 (ko)
KR (1) KR100198721B1 (ko)
DE (1) DE69204861T2 (ko)

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KR100198721B1 (ko) 1999-06-15
EP0497574B1 (en) 1995-09-20
US5308225A (en) 1994-05-03
EP0497574A1 (en) 1992-08-05
JPH04314931A (ja) 1992-11-06
DE69204861T2 (de) 1996-05-23
DE69204861D1 (de) 1995-10-26
JP3212341B2 (ja) 2001-09-25

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