A sealing segment for sealingly connecting two structural components parts which are movable relative to one another, with two sealing bodies which are connected to one another by a web and which can be arranged in recesses of the structural component parts in an articulated manner, and a sealing se
A sealing segment for sealingly connecting two structural components parts which are movable relative to one another, with two sealing bodies which are connected to one another by a web and which can be arranged in recesses of the structural component parts in an articulated manner, and a sealing segment arrangement with a plurality of sealing segments of this type, and a flow machine with a sealing segment arrangement of this type.
대표청구항▼
1. A sealing assembly comprising a first and second adjacent structural component part (4, 6) of a flow machine which in an installed position are movable relative to one another about an axis; a plurality of sealing segments (10, 12), each sealing segment comprising a central web (18) and first and
1. A sealing assembly comprising a first and second adjacent structural component part (4, 6) of a flow machine which in an installed position are movable relative to one another about an axis; a plurality of sealing segments (10, 12), each sealing segment comprising a central web (18) and first and second sealing bodies (14, 16) having a circular cross-section connected to one another by said central web (18), said central web (18) comprising a unitary surface that defines a substantially flat plane extending in the axial direction and between said opposed circular first and second sealing bodies (14, 16), said central web having a thickness and a length in the axial direction, said axial length being larger than said thickness; said structural component parts of a flow machine each having a U-shaped, rectangular longitudinal recess (20, 22) therein; said first circular sealing body (14) being in contact only with said U-shaped recess of said first structural part (4) and said second circular sealing body (16) being in contact only with said U-shaped recess of said second structural part (6) so that each of said first and second sealing body (14, 16) is contactingly arranged in an articulated manner only in a respective one of said U-shaped recesses (20, 22) of said first and second structural component parts (4, 6); a circular connection element (54, 56) extending through each of said first and second circular sealing bodies thereby connecting said plurality of sealing segments and wherein said sealing bodies (14, 16) and said recesses (20, 22) are constructed to form a sliding bearing. 2. The sealing assembly according to claim 1, wherein said sealing bodies (14, 16) are constructed so as to be radially springing. 3. The sealing assembly according to claim 1, wherein said sealing bodies (14, 16) extend axially parallel to one another. 4. The sealing assembly according to claim 1, wherein said sealing bodies (14, 16) and said web (18) are formed from a tubular sealing element (96). 5. The sealing assembly according to claim 1, wherein said sealing bodies (14, 16) and said web (18) are formed from a sheet-shaped sealing element (92) having free end portions (70, 72); said free end portions (70, 72) being guided along said web (18). 6. The sealing assembly according to claim 1, wherein said sealing bodies (14, 16) and said web (18) are formed from a sheet-shaped sealing element (92) having free end portions (70, 72); said free end portions (70, 72) being at a distance from said web (18). 7. The sealing assembly according to claim 1, wherein said sealing bodies (14, 16) and said web (18) are formed from two sheet-like sealing elements (58, 60) fixedly connected to one another in their respective center region to form said web (18). 8. The sealing assembly according to claim 7, additionally comprising two opposed free end portions (70, 72); and wherein said sealing elements (58, 60) are identically shaped and said opposing free end portions (70, 72, 74, 76) being at a distance from one another. 9. The sealing assembly according to claim 7, wherein said sealing elements (58, 60) are arranged so as to be offset relative to one another in longitudinal direction. 10. The sealing assembly according to claim 1, additionally comprising a transverse slit (108, 110, 112, 114, 116) extending into said web (18) formed in at least one of said sealing bodies (14, 16). 11. The sealing assembly according to claim 9, wherein said at least one transverse slit (108, 110, 112, 114, 116) extends from one said sealing body (14) through said web (16) into said other sealing body (16). 12. The sealing assembly according to claim 9, wherein a plurality of transverse slits (108, 110, 112, 114, 116) are alternately arranged in said sealing bodies (14, 16). 13. The sealing assembly according to claim 1, wherein said sealing bodies (14, 16) comprise an at least partially perforated sealing surface (24, 26). 14. The sealing assembly according to claim 1, wherein said sealing bodies (14, 16) comprise a profiled sealing surface (24, 26). 15. The sealing assembly according to claim 1, wherein said web (18) is formed so as to comprise a large surface area having at least one through-hole (102, 104). 16. The sealing assembly according to claim 1, wherein said sealing elements (58; 60; 84; 86; 90; 96) are made of a metal material. 17. A sealing assembly arrangement comprising first and second structural component parts of a flow machine each having a U-shaped, rectangular longitudinal recess therein; at least two connection elements (54, 56); and a plurality of sealing segments (10, 12; 80; 82; 88; 92; 94; 106) each sealing segment comprising a central web (18) and first and second sealing bodies (14, 16) connected to one another by said central web, said central web (18) comprising a unitary surface that defines a substantially flat plane extending in the axial direction and between said opposed circular first and second sealing bodies (14, 16), said central web having a thickness and a length in the axial direction, said axial length being larger than said thickness; each first sealing body of said sealing segment in contact only with said U-shaped rectangular recess of said first structural component part and each second sealing body in contact only with said U-shaped rectangular recess of said second structural component part; said plurality of sealing segments being arranged axially adjacent to one another and supported in an articulated manner in said U-shaped recesses (20, 22) by said two structural component parts (4, 6); said structural component parts being movable relative to one another and connected to one another by said at least two circular connection elements (54, 56). 18. The sealing assembly arrangement according to claim 17, wherein said connection elements (54, 56) comprise coils which are guided axially through said sealing bodies (14, 16). 19. The sealing assembly arrangement according to claim 17, wherein said connection elements (54, 56) are flexible rods which are guided axially through said sealing bodies (14, 16). 20. The sealing assembly arrangement according to claim 17, wherein said connection elements (54, 56) are bars with spherical end heads guided axially through said sealing bodies (14, 16). 21. A flow machine with a sealing assembly arrangement comprising two structural component parts each having a U-shaped, rectangular, longitudinal recess therein; at least two connection elements (54, 56); and a plurality of sealing segments (10, 12; 80; 82; 88; 92; 94; 106) arranged axially adjacent to one another and supported in an articulated manner in said recesses (20, 22) by said two structural component parts (4, 6), each sealing segment comprising a central web (18) and first and second sealing bodies (14, 16) having a circular cross-section connected to one another by said central web (18), said central web (18) comprising a unitary surface that defines a substantially flat plane extending in the axial direction and between said opposed circular first and second sealing bodies (14, 16), said central web having a thickness and a length in the axial direction said axial length being larger than said thickness; said structural component parts being movable relative to one another and connected to one another by said at least two connection elements (54, 56). 22. The sealing assembly according to claim 1, wherein said sealing bodies are arranged in an articulated manner in said recesses so as to compensate for one of a swiveling movement and an axial movement between said structural component parts.
Amos, Peter Graham; Boston, Ian William; Cornett, Kennet W.; Hurter, Jonas; More, Dominick Gregory; Stemann, Markus; Zagorskiy, Alexander, High temperature seal and methods of use.
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