1. Structural abradable / abrasive sealing device for a stationary component of the steam turbine, located opposite the operation of at least one seal tooth on the rotating steam turbine component ensuring obstructed leakage flow through said device and / or the direction of leakage flux in a first direction and comprising:;an annular seal holder having at least one annular sealing surface is oriented in the axial direction,;structural abradable / abrasive sealing coating at least partially covering said at least one axially oriented annular sealing surface and having at operation formed therein a structure which is arranged to its location facing said at least one an opposite seal tooth so that it at least partially penetrates into it, and;protivovihrevye elements projecting radially outside said structure and disposed circumferentially around said at least one axially oriented annular sealing surface.;2. Structural abradable / abrasive sealing device according to claim 1, wherein the abradable seal coating comprises a ceramic material or a metal alloy.;3. Structural abradable / abrasive sealing device according to claim 1, wherein said structure has a depth of about 50-100% of the total thickness of said abradable seal coating.;4. Structural abradable / abrasive sealing device according to claim 1, wherein said protivovihrevye elements comprise a first set of substantially rectangular blocks aligned and spaced around a peripheral edge of said ring holder, referred axially from said at least one seal tooth wherein said rectangular blocks are arranged at an acute angle relative to the axial center line through said seal ring holder.;5. Structural abradable / abrasive sealing device according to claim 4, wherein said protivovihrevye elements further comprise a second set of substantially rectangular blocks aligned opposite and spaced around the peripheral edge of said annular carrier, said second set of rectangular blocks positioned substantially under the same an acute angle, and that a first set of substantially rectangular blocks.;6. Structural abradable / abrasive sealing device according to claim 1, wherein said protivovihrevye elements comprise three or more axially spaced rows of peripheral blocks is substantially rectangular.;7. Structural abradable / abrasive sealing device according to claim 1, wherein said set of elements comprise protivovihrevye mutually offset rows circumferentially substantially rectangular block.;8. Structural abradable / abrasive sealing device according to claim 1, wherein said structure is cross-shaped reticulated structure.;9. Structural abradable / abrasive sealing device according to claim 1, wherein said structure comprises a substantially rectangular bar shaped elements.;10. Structural abradable / abrasive sealing device according to claim 7, wherein said rectangular blocks aligned in the axial direction.;Steam turbine 11. The stationary component disposed along the gas path and having a first surface facing the adjacent rotatable steam-turbine component and the first structural abradable / abrasive coating or insert having a structure formed therein, which is applied to said surface and is arranged to flow direction leak in a predetermined direction relative to said stationary component of the steam turbine.;12. The stationary steam turbine component according to claim 11, which is a turbine nozzle vane or nozzle, thus rotating the steam turbine component is a turbine blade.;13. The stationary steam turbine component according to claim 12, wherein said turbine nozzle vane located axially upstream of said turbine blade.;14. The stationary steam turbine component according to claim 12, wherein said turbine nozzle vane or nozzle positioned axially downstream from said turbine blade.;15. The stationary steam turbine component according to claim 12, wherein said turbine blade shroud is formed with a terminal that supports one or more seal teeth extending in a radially outward direction, wherein said end is surrounded by a stationary stator shroud surface provided with a second structural abradable / abrasive coating or insert facing to said one or more seal teeth.;16. The stationary steam turbine component according to claim 15, wherein said second structural abradable / abrasive coating comprises one or more protivovihrevyh elements projecting radially beyond said structural abradable / abrasive coating or liner.;17. The assembly of the turbine blade and an abradable seal comprising;blade having an end shroud formed with a radially directed seal teeth,;a fixed stator component surrounding said blade and comprising abradable seals disposed opposite the respective radially extending seal teeth, each of the abradable seal includes abradable seal coating having formed on its surface structure facing the corresponding one of the radially extending seal teeth, and at least one protivovihrevoy element extending radially beyond said structure and disposed with the passage providing at least an axial flow component through said sealing device, wherein said at least one protivovihrevoy element is located opposite one of said radially extending seal teeth, so that said tooth is at least partially penetrates it.;18. An assembly according to claim 17, wherein said at least one element comprises protivovihrevoy disposed circumferentially protivovihrevyh series elements.;19. An assembly according to claim 18, wherein said circumferentially disposed rows protivovihrevyh elements are spaced in the axial direction and are arranged offset relative to each other in the circumferential direction.;20. An assembly according to claim 18, wherein each of said element protivovihrevoy circumferentially spaced series protivovihrevyh elements disposed at an acute angle to the axis of rotation of said blade.
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