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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0589501 (1990-09-28) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 466 인용 특허 : 0 |
The present invention provides for the removable attachment of sealing segments about the entire circumferential periphery of the rotor spacer discs. To this end, the conventional annular grooves provided in the peripheral surface of each spacer disc (as part of the high/low sealing surface configur
The present invention provides for the removable attachment of sealing segments about the entire circumferential periphery of the rotor spacer discs. To this end, the conventional annular grooves provided in the peripheral surface of each spacer disc (as part of the high/low sealing surface configuration) are reconfigured as dovetail grooves which are designed to receive complimentary or mating portions of the sealing segments. In other words, each adjacent annular groove receives a plurality of sealing segments, the totality of which substantially prevent or at least minimize the impingement of hot gases directly on the peripheral surface of the spacer disc.
In an annular spacer disc mounted between and for rotation with a pair of rotor discs in a gas turbine, the spacer disc having an outer circumferential, peripheral surface, the improvement comprising; a plurality of laterally aligned, annular grooves formed in said peripheral surface, and a pluralit
In an annular spacer disc mounted between and for rotation with a pair of rotor discs in a gas turbine, the spacer disc having an outer circumferential, peripheral surface, the improvement comprising; a plurality of laterally aligned, annular grooves formed in said peripheral surface, and a plurality of sealing members detachably secured within each of said annular grooves, said sealing members creating a thermal seal by preventing direct hot gas impingement on at least a substantial portion of said peripheral surface.
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