Patent ID: 9617920
Date: 2017-04-11
CPC Classifications: F01D,F02C,F05D

Claim:
1. A nozzle guide vane sealing arrangement, comprising: a platform portion of a nozzle guide vane, the platform portion having a platform wall, the platform wall having a first platform wall portion and a second platform wall portion, the first platform wall portion comprising a working fluid interaction surface on a first side thereof and a cooling surface on a second side thereof, the cooling surface at least partly limiting an inner cavity of the platform portion in which inner cavity a cooling fluid is leadable; the second platform wall portion being connected to the first platform wall portion at a downstream end of the platform portion, a first surface of the second platform wall portion at least partly limiting the inner cavity; a support structure for supporting the platform portion, the support structure having a recess; a seal arranged in the recess between the support structure and a second surface of the second platform wall portion, wherein the seal is adapted to reduce cooling liquid leakage from the inner cavity to a space downstream the support structure.