The connection assembly of an arm to a sleeve is carried out substantially by parts of axes crossing the arm and the spacers between the parts of axes and the sleeve and the assembly bolts. The assembly and the disassembly are easy, even with highly reduced encumbrance, as the connection is light an
The connection assembly of an arm to a sleeve is carried out substantially by parts of axes crossing the arm and the spacers between the parts of axes and the sleeve and the assembly bolts. The assembly and the disassembly are easy, even with highly reduced encumbrance, as the connection is light and devoid of high internal efforts, and a good position precision is obtained. The assembly may be applied to stators with an exterior sleeve and, an interior hub and radial link arms, which are encountered in certain turbomachines.
대표청구항▼
1. An arrangement comprising: a first circular sleeve;substantially radial arms joining the first sleeve to a second concentric sleeve; andconnections of the arms to the first sleeve, the connections each comprising at least one piercing crossing the arm in parallel to the first sleeve, an axis cros
1. An arrangement comprising: a first circular sleeve;substantially radial arms joining the first sleeve to a second concentric sleeve; andconnections of the arms to the first sleeve, the connections each comprising at least one piercing crossing the arm in parallel to the first sleeve, an axis crossing each of said piercings,wherein the axis is provided with a pair of piercings on either side of the arm, andwherein the connections further comprise a pair of spacers arranged on either side of the arm between the axis and the first sleeve, piercings crossing the first sleeve and the spacers and forming alignments with the pair of piercings of the axis, and bolts crossing the alignments of the pair of piercings of the axis, the piercings of the first sleeve, and the piercings of the spacers, and hugging the first sleeve, the axis and the spacers. 2. The arrangement set forth in claim 1, further comprising a pair of axes for each of the connections, the axes of the pair being parallel, and four alignments of the aforementioned piercings and aforementioned bolts. 3. The arrangement as set forth in claim 1, wherein the piercing of the arm and a central portion of the axis, engaged in the arm piercing, are of circular section. 4. The arrangement as set forth in claim 1, further comprising pins for positioning in other piercing alignments, which extend in the arm and the first sleeve. 5. The arrangement as set forth in claim 1, further comprising positioning pins in other piercing alignments, which extend in the arms and the first sleeve and the axis. 6. The arrangement as set forth in claim 1, wherein the first sleeve, which is substantially conical, comprises bosses with a planar or cylindrical interior surface, the sleeve piercings crossing the bosses and the spacers resting on the planar or cylindrical interior surface. 7. A turbomachine comprising an arrangement in accordance with claim 1. 8. The turbomachine set forth in claim 7, wherein the arms are surrounded with fairings. 9. The turbomachine as set forth in claim 7, wherein the first sleeve, an interior hub, which is the second sleeve, and the arms are present between a high-pressure turbine and a low-pressure turbine, the arms crossing a flow of combustion gases.
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이 특허에 인용된 특허 (7)
Donlan John P. (Ovideo FL), Apparatus and method for supporting a vane segment in a gas turbine.
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McLaurin Leroy D. (Winter Springs FL) Williams Roland E. (Altamonte Springs FL) Donlan John P. (Oviedo FL) Hultgren Kent G. (Swarthmore PA), Method and apparatus for vane segment support and alignment in combustion turbines.
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