[특허]Method and system for assembling and disassembling turbomachines

Method and system for assembling and disassembling turbomachines 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-025/26 F01D-025/28 F01D-025/24 F03B-011/02 F04D-029/60 B23P-006/00 B23P-023/00 B23P-019/04 B23P-019/00 F01D-009/04
출원번호	US-0558526 (2012-07-26)
등록번호	US-9097123 (2015-08-04)
발명자 / 주소	Holmes, James Bradford Black, Kenneth Damon Cox, Christopher Paul Casavant, Matthew Stephen Wilson, Bradley Edwin Klingler, Brett Darrick
출원인 / 주소	General Electric Company
대리인 / 주소	Cusick, Ernest G.
인용정보	피인용 횟수 : 0 인용 특허 : 41

초록 ▼

A method and system adapted for removing one or more shells from an assembly of multiple annular shells, for example, turbine shells of a gas turbine engine. The method includes removing an upper shell positioned in an upper position relative to a lower shell of the assembly of multiple annular shells, and then positioning and securing a counterweight in the upper position and securing the counterweight to the lower shell as a replacement for the upper shell in the upper position. The counterweight and the lower shell are then rotated in unison until the lower shell is in the upper position and the counterweight is in a lower position previously occupied by the lower shell. Thereafter, the lower shell can be removed from the assembly.

대표청구항 ▼

1. A system for installing and removing a shell from an assembly of multiple annular shells comprising at least an upper shell and a complementary lower shell assembled with the upper shell so that the upper shell is in an upper position relative to the lower shell and the lower shell is in a lower position relative to the upper shell, the system comprising: a counterweight adapted to replace the upper shell in the upper position and be secured to the lower shell;means for rotating the counterweight and the lower shell in unison until the lower shell is in the upper position and the counterweight is in the lower position; andmeans for maintaining axial alignment of the counterweight and the lower shell as the counterweight and the lower shell are rotated by the rotating means,wherein the assembly of multiple annular shells further comprises at least an outer upper shell and a complementary outer lower shell assembled with the outer upper shell so that the outer upper shell is in an outer upper position relative to the outer lower shell, and the means for maintaining axial alignment comprises a thrust collar locator having a thrust collar adapted to be secured to the outer lower shell, engage the counterweight to permit the counterweight to rotate relative to the thrust collar locator, and maintain the axial alignment of the counterweight and the lower inner shell during rotation thereof. 2. The system according to claim 1, wherein the rotating means comprises means for continuously rotating in unison the counterweight and the lower shell to move the lower shell from the lower position to the upper position and to move the counterweight from the upper position to the lower position. 3. The system according to claim 1, wherein the rotating means is adapted to rotate the counterweight and the lower shell at least 180 degrees. 4. The system according to claim 1, further comprising roller assemblies adapted to support the counterweight and the lower shell during rotation thereof. 5. The system according to claim 4, wherein at least one of the roller assemblies comprises a jacking system capable of lifting and lowering the counterweight and the lower inner shell. 6. The system according to claim 1, wherein the rotating means further comprises a gear drive engaged with a gear rack on the counterweight. 7. The system according to claim 1, wherein the rotating means further comprises a braking unit engaged with the counterweight and adapted to brake the rotation of the counterweight and the lower shell. 8. A system for installing and removing a shell from an assembly of multiple annular shells comprising at least an upper shell and a complementary lower shell assembled with the upper shell so that the upper shell is in an upper position relative to the lower shell and the lower shell is in a lower position relative to the upper shell, the system comprising: a counterweight adapted to replace the upper shell in the upper position and be secured to the lower shell; andmeans for rotating the counterweight and the lower shell in unison until the lower shell is in the upper position and the counterweight is in the lower position, the rotating means comprising a thrust collar locator having a thrust collar engaged with the counterweight to support the counterweight, permit the counterweight to rotate relative to the thrust collar locator, and maintain axial alignment of the counterweight and the lower inner shell during rotation thereof.

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A	생활필수품
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Method and system for assembling and disassembling turbomachines 원문보기

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Method and system for assembling and disassembling turbomachines 원문보기

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