Rotary heat exchanger for gas turbine associated therewith

Details Rotary heat exchanger for gas turbine associated therewith Rotary heat exchanger for gas turbine associated therewith

F - Mech Eng,Light,Heat,Weapons

28

D

F28D 19/04 (2006.01) F02C 7/105 (2006.01)

Patent

CA 2190481

Rotary heat exchanger for effecting thermal exchange between the inlet and exhaust gases of a gas turbine, comprising a cellular ceramic disk (1), an upstream air inlet tube (6) and a downstream inlet tube (7) on either side of the disk (1) and including friction rings (13, 14) at their ends in contact with the side surfaces of the disk. Both friction rings (13) are slit (58) so as to be applied correctly against the disk (1) despite the temperature gradients they undergo during use.

Echangeur thermique rotatif entre les gaz d'admission et les gaz d'échappement dans une turbine à gaz, comprenant un disque (1) en matière céramique alvéolaie, un conduit d'admission d'air amont (6) et un conduit d'admission aval (7) situés respectivement de part et d'autre du disque (1) et comportant à leurs extrémités en contact avec les faces latérales du disque (1) des anneaux de friction (13). Les deux anneaux de friction (13) sont fendus (58) pour leur permettre de s'appliquer correctement contre le disque (1) malgré les gradients de température qu'ils subissent en service.

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