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
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KR1019920001306A
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English (en)
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KR100198721B1 (ko
Inventor
지. 코프 스티븐
피. 닉카넨 존
에스. 매자위 로버트
Original Assignee
노먼 프리드랜드
유나이티드 테크놀로지스 코포레이션
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Application filed by 노먼 프리드랜드, 유나이티드 테크놀로지스 코포레이션 filed Critical 노먼 프리드랜드
Publication of KR920015020A publication Critical patent/KR920015020A/ko
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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

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

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