[특허]Sealing arrangement for use with gas turbine engine

Kawasaki Jukogyo Kabushiki Kaisha

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Sealing arrangement for use with gas turbine engine

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-005/08 F01D-011/00
미국특허분류(USC)	416/096R; 416/219R; 415/110
출원번호	US-0896356 (2010-10-01)
등록번호	US-8562294 (2013-10-22)
우선권정보	JP-2009-236901 (2009-10-14)
발명자 / 주소	Gouda, Makoto Yamasaki, Yoshihiro
출원인 / 주소	Kawasaki Jukogyo Kabushiki Kaisha
대리인 / 주소	Studebaker & Brackett PC
인용정보	피인용 횟수 : 1 인용 특허 : 4

초록
▼

A sealing member has a first portion. The first portion has a central axis, a first peripheral surface extending in a direction parallel to the central axis, and a central aperture. A first wall portion of a groove has a recess communicated with the first opening of the first channel. The recess has a second peripheral surface complementary to the first peripheral surface of the first portion of the sealing member. The first portion of the sealing member moves radially toward and away from the rotational axis as the first peripheral surface of the sealing member defines and maintains a first sealing contact with the second peripheral surface of the recess. The sealing member moves radially outwardly and thereby makes a second sealing contact surrounding the second opening of the second channel to establish a communication between the first and second openings.

대표
청구항
▼

1. An arrangement for use with a gas turbine engine, said engine has a rotational axis, a turbine disk supported for rotation about said rotational axis, and a blade member detachably mounted in a groove defined in a circumferential portion of said disk, said groove having an inwardly enlarged portion and said blade member having a root complementary to said enlarged portion so as to fit into said groove, said disk and said blade member have first and second channels fluidly communicated to each other through first and second openings defined in radially opposed first and second wall portions of said groove and said root, comprising: a sealing member having a first portion, said first portion having a central axis, a first peripheral surface extending in a direction parallel to said central axis, and a central aperture extending in said central axis;said first wall portion of said groove having a first recess defined therein and fluidly communicated with said first opening of said first channel, said first recess having a second peripheral surface complementary to said first peripheral surface of said first portion of said sealing member for receiving said first portion of said sealing member,whereby said first portion of said sealing member moves radially toward and away from said rotational axis as said first peripheral surface of said sealing member defines and maintains a first sealing contact with said second peripheral surface of said first recess,when a centrifugal force is applied to said sealing member, said sealing member moves radially outwardly to abut said second wall portion of said root and thereby make a second sealing contact surrounding said second opening of said second channel to establish a sealed fluid communication between said first and second openings through said aperture,wherein the sealing member has a second portion extending between said opposed first and second wall portions and surrounding said aperture, said second portion having a length which is larger than a width of said opposed first and second wall portions in a direction parallel to the rotational axis so that one end of the second portion can project from one end of the groove and the other end of the second portion coincides with the other end of the groove;wherein said second portion abuts said second bottom wall portion of said root and makes said second seal contact therewith when said centrifugal force is applied to said sealing member,wherein said second portion of said sealing member is made of a plate, said plate being sealingly attached to said first portion of said sealing member,wherein said second portion of said sealing member has an engaging portion which positions outside said groove, and said blade member has an associated engaging projection corresponding to said engaging notch of said sealing member so that, when said sealing member is placed between said opposed first and second wall portions with said first portion of said sealing member fitted in said first recess, said engaging notch of said blade member engages with said engaging projection of said second portion to prevent a rotation of said sealing member and retain said sealing member in position. 2. The arrangement of claim 1, wherein said aperture has a diameter smaller than that of said first opening. 3. The arrangement of claim 1, wherein said second wall portion of said blade member has a second recess fluidly communicated with and surrounding said second opening of said second channel, said second recess having a bottom wall portion to which said sealing member abuts and makes said second sealing contact. 4. A gas turbine engine comprising a rotational axis, a turbine disk supported for rotation about said rotational axis, and a blade member detachably mounted in a groove defined in a circumferential portion of said disk, said groove having an inwardly enlarged portion and said blade member having a root complementary to said enlarged portion so as to fit into said groove, said disk and said blade have first and second channels fluidly communicated to each other through first and second openings defined in radially opposed first and second wall portions of said groove and said root, comprising a sealing arrangement, said arrangement havinga sealing member having a first portion, said first portion having a central axis, a first peripheral surface extending in a direction parallel to said central axis, and a central aperture extending in said central axis;said first wall portion of said groove having a first recess defined therein and fluidly communicated with said first opening of said first channel, said first recess having a second peripheral surface complementary to said first peripheral surface of said first portion of said sealing member for receiving said first portion of said sealing member,whereby said first portion of said sealing member moves radially toward and away from said rotational axis as said first peripheral surface of said sealing member defines and maintains a first sealing contact with said second peripheral surface of said first recess,when a centrifugal force is applied to said sealing member, said sealing member moves radially outwardly to abut said second wall portion of said root and thereby make a second sealing contact surrounding said second opening of said second channel to establish a sealed fluid communication between said first and second openings through said aperture,wherein the sealing member has a second portion extending between said opposed first and second wall portions and surrounding said aperture, said second portion having a length which is larger than a width of said opposed first and second wall portions in a direction parallel to the rotational axis so that one end of the second portion can project from one end of the groove and the other end of the second portion coincides with the other end of the groove;wherein said second portion abuts said second bottom wall portion of said root and makes said second seal contact therewith when said centrifugal force is applied to said sealing member,wherein said second portion of said sealing member is made of a plate, said plate being sealingly attached to said first portion of said sealing member,wherein said second portion of said sealing member has an engaging portion which positions outside said groove, and said blade member has an associated engaging projection corresponding to said engaging notch of said sealing member so that, when said sealing member is placed between said opposed first and second wall portions with said first portion of said sealing member fitted in said first recess, said engaging notch of said blade member engages with said engaging projection of said second portion to prevent a rotation of said sealing member and retain said sealing member in position.

이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 (1)

Uskert, Richard C.; Thomas, David J.; Chamberlain, Adam L., Compliant intermediate component of a gas turbine engine.

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특허 상세정보

Sealing arrangement for use with gas turbine engine

초록
▼

대표
청구항
▼

이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 (1)

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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연합인증

특허 상세정보

Sealing arrangement for use with gas turbine engine

초록 ▼

대표청구항 ▼

이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 (1)

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

연구과제 성과물(0)

참여연구원의 다른 문헌(0)

처리중입니다.

잠시만 기다려주세요.

초록
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대표
청구항
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