KR880014295A - 회전식 래버린스 밀봉부재를 위한 내마모성의 연마용 레이저-인쇄된 세라믹 또는 금속탄화물 - Google Patents

회전식 래버린스 밀봉부재를 위한 내마모성의 연마용 레이저-인쇄된 세라믹 또는 금속탄화물 Download PDF

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Publication number
KR880014295A
KR880014295A KR1019880005879A KR880005879A KR880014295A KR 880014295 A KR880014295 A KR 880014295A KR 1019880005879 A KR1019880005879 A KR 1019880005879A KR 880005879 A KR880005879 A KR 880005879A KR 880014295 A KR880014295 A KR 880014295A
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South Korea
Prior art keywords
laser
coating
tip
stopper
turbine
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KR1019880005879A
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English (en)
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KR930010259B1 (ko
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에릭 잭슨 존
루이스 노르만
Original Assignee
티모티 엔.비숍
유니온 카바이드 코포레이션
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Publication of KR880014295A publication Critical patent/KR880014295A/ko
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Publication of KR930010259B1 publication Critical patent/KR930010259B1/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
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • 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
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/90—Coating; Surface treatment
    • 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
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/935—Seal made of a particular material
    • Y10S277/943—Ceramic or glass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

내용 없음

Description

회전식 래버린스 밀봉부재를 위한 내마모성의 연마용 레이저-인쇄된 세라믹 또는 금속탄화물
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 새롭거나, 재조립되어 가동되지 않은 엔진에 대한 저온조건하에서, 상대위치들을 개략적으로 설명하는 밀봉표면과 접촉하는 나이프에지를 갖는 터어빈 블레이드를 나타내는 부분단면도,
제2도는 터어빈이 설계속도로 가속됨에 따라 접촉조건하에서 블레이드팁의 나이프에지와 밀봉표면과의 상대적위치들을 나타내는 개략적인 부분단면도,
제3도는 설계작업 조건하에서 나이프에지를 갖는 터어빈 블레이드의 밀봉표면에 관한 상대적위치들을 나타내는 개략적인 부분단면도.

Claims (20)

  1. 제1부재와 제2부재 사이의 가스흐름을 억제시키기 위하여 제1부재가, 제2부재와 협동하는 팁을 갖는 적어도 하나의 밀봉 납을 포함하는 회전식 가스 밀봉부에 있어서, 팁에는 팁과 결합하는 세라믹 또는 금속탄화물 피복이 제공되며, 이 피복의 표면이 다수의 레이저-형성 저지부를 가지며 제2부재내로 끼어들 수 있는 내마모성의 절삭표면을 제공해 줌을 특징으로 하는 회전식 가스 밀봉부.
  2. 제1항에 있어서, 팁에는, 제2부재에 대해서 팁의 운동방향으로 뻗어있는 적어도 하나의 나이프에지가 형성되며, 나이프에지의 표면은 표면에 결합된 피복을 가지며, 피복의 표면에 다수의 레이저-형성 저지부를 가짐을 특징으로 하는 회전식 가스 밀봉부.
  3. 제1 또는 2항에 있어서, 레이저-형성 저지부의 형성전의 피복의 두께가 0.5 내지 100 밀임을 특징으로 하는 회전식 가스 밀봉부.
  4. 제1 또는 2항에 있어서, 레이저-형성 저지부의 형성전의 피복의 두께가 2-15밀임을 특징으로 하는 회전식 가스 밀봉부.
  5. 제1 또는 2항에 있어서, 레이저-형성 저지부의 깊이가 2 내지 200 미크론의 범위에 있음을 특징으로 하는 회전식 가스 밀봉부.
  6. 제1 또는 2항에 있어서, 저지부가 인접한 저지부들 사이의 실질적으로 균일한 간격을 갖는 무작위패턴으로 형성됨을 특징으로 하는 회전식 가스 밀봉부.
  7. 제1 또는 2항에 있어서, 레이저-형성 저지부의 스크린이 인치당 80 내지 800 저지부의 범위에 있음을 특징으로 하는 회전식 가스 밀봉부.
  8. 제1 또는 2항에 있어서, 레이저-형성 저지부는 표면의 50% 내지 90%를 차지하며, 저지부들 사이의 랜드 영역은 표면의 나머지 50% 내지 10%를 자치함을 특징으로 하는 회전식 가스 밀봉부.
  9. 블레드와 밀봉표면 사이에 밀봉을 형성하기 위하여 밀봉표면과 협동하도록 만들어진 팁표면과, 팁표면에 결합된 세라믹 또는 금속탄화물 피복을 가지며, 이 피복이 다수의 레이저-형성 저지부를 가지고 이 피복이 밀봉표면으로 끼어들 수 있는 내마모성 절삭표면을 제공하여 줌을 특징으로 하는 터어빈 또는 압축기 블레이드.
  10. 제9항에 있어서, 팁에는 밀봉표면에 대하여 팁의 운동방향으로 뻗어있는 적어도 하나의 나이프에지가 형성되며, 나이프에지의 표면은 이 표면에 결합된 피복과 피복 표면에 다수의 레이저-형성 저지부를 가짐을 특징으로 하는 터어빈 또는 압축기 블레이드.
  11. 제9 또는 10항에 있어서, 팁표면에 결합된 피복은 세라믹 또는 금속탄화물 피복임을 특징으로 하는 터어빈 또는 압축기 블레이드.
  12. 제9 또는 10항에 있어서, 팁표면에 결합된 피복은 세라믹 피복임을 특징으로 하는 터어빈 또는 압축기 블레이드.
  13. 제9 또는 10항에 있어서, 팁표면에 결합된 피복은 금속탄화물 피복임을 특징으로 하는 터어빈 또는 압축기 블레이드.
  14. 제9 또는 10항에 있어서, 레이저-형성 저지부의 형성전의 피복의 두께는 0.5 내지 100밀임을 특징으로 하는 터어빈 또는 압축기 블레이드.
  15. 제9 또는 10항에 있어서, 레이저-형성 저지부의 형성전의 피복의 두께는 2 내지 15 밀임을 특징으로 하는 터어빈 또는 압축기 블레이드.
  16. 제9 또는 10항에 있어서, 레이저-형성 저지부의 깊이가 2 내지 200 미크론의 범위에 있음을 특징으로 하는 터어빈 또는 압축기 블레이드.
  17. 제9 또는 10항에 있어서, 레이저-형성 저지부의 깊이가 20 내지 100 미츠론의 범위에 있음을 특징으로 하는 터어빈 또는 압축기 블레이드.
  18. 제9 또는 10항에 있어서, 저지부는, 셀들 사이의 간격이 실질적으로 일정한 무작위패턴으로 형성됨을 특징으로 하는 터어빈 또는 압축기 블레이드.
  19. 제9 또는 10항에 있어서, 레이저-형성 저지부의 스크린이 인치당 80 내지 800 저지부의 범위에 있음을 특징으로 하는 터어빈 또는 압축기 블레이드.
  20. 제9 또는 10항에 있어서, 레이저-형성 저지부의 스크린이 인치당 100 내지 400 저지부의 범위에 있음을 특징으로 하는 터어빈 또는 압축기 블레이드.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880005879A 1987-05-19 1988-05-18 세라믹 피복물 또는 금속탄화물 피복물로 피복된 회전식 가스밀봉부 및 블레이드 KR930010259B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/051.931 1987-05-19
US051,931 1987-05-19
US07/051,931 US4884820A (en) 1987-05-19 1987-05-19 Wear resistant, abrasive laser-engraved ceramic or metallic carbide surfaces for rotary labyrinth seal members

Publications (2)

Publication Number Publication Date
KR880014295A true KR880014295A (ko) 1988-12-23
KR930010259B1 KR930010259B1 (ko) 1993-10-16

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KR1019880005879A KR930010259B1 (ko) 1987-05-19 1988-05-18 세라믹 피복물 또는 금속탄화물 피복물로 피복된 회전식 가스밀봉부 및 블레이드

Country Status (5)

Country Link
US (1) US4884820A (ko)
EP (1) EP0292250B1 (ko)
KR (1) KR930010259B1 (ko)
CA (1) CA1324166C (ko)
DE (1) DE3869657D1 (ko)

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KR930010259B1 (ko) 1993-10-16
US4884820A (en) 1989-12-05
DE3869657D1 (de) 1992-05-07
EP0292250A1 (en) 1988-11-23
EP0292250B1 (en) 1992-04-01

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