F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 25/24 (2006.01) F01D 11/00 (2006.01)
Patent
CA 2602458
what is described is a heat shield for the local separation of a flow channel within a turbine engine, in particular a gas turbine plant, with respect to a stator housing radially surrounding the flow channel, with two axially opposite joining contours (7, 8) which each can be brought into engagement with two components (1, 1') which are axially adjacent along the flow channel and which each provide a countercontoured reception contour (9, 10) for the joining contours (7, 8), of which reception contours at least one reception contour (10) has an axial clearance (11), along which the joining contour (8) joined in it is mounted axially displaceably, at least one sealing means (12) being provided between the axially displaceable joining contour (8) and the reception contour (10). The invention is distinguished in that the sealing means (12) is mounted movably within the reception contour (10) or the joining contour (8) in such a way that the sealing means (12) can be deflected by the action of force against a surface region (17) of the reception contour (10) or of the joining contour (8).
L'invention concerne un segment d'accumulation de chaleur servant à séparer localement un canal d'écoulement (K) à l'intérieur d'une turbomachine, en particulier d'un système à turbine à gaz, par rapport à un carter de stator entourant radialement le canal d'écoulement (K), lequel segment comporte deux contours d'assemblage (7, 8) axialement opposés et pouvant être amenés en prise avec deux composants respectifs (1, 1') axialement adjacents le long du canal d'écoulement (K), qui présentent pour chaque contour d'assemblage (7, 8) un contour de réception correspondant (9, 10), parmi lesquels au moins un contour de réception (10) présente un jeu axial (11) le long duquel le contour d'assemblage (8), inséré dans le contour de réception, peut être déplacé axialement, au moins un moyen d'étanchéité (12) étant prévu entre le contour d'assemblage (8) à déplacement axial et le contour de réception (10). L'invention se caractérise en ce que le moyen d'étanchéité (12) est logé de manière mobile à l'intérieur du contour de réception (10) ou du contour d'assemblage (8), de sorte que ce moyen d'étanchéité (12) peut être dévié sous l'action d'une force contre une zone de surface (17) du contour de réception (10) ou du contour d'assemblage (8).
Burmistrov Alexander
Khanin Alexander
Sloutski Edouard
Alstom Technology Ltd
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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