FIELD: machine engineering, possibly sealing gas-air tracts of gas-turbine plant of gas pumping aggregates, gas-turbine power stations.
SUBSTANCE: apparatus for sealing parts of joint of gas-air tract in which one part along flow direction is embraced with gap by other part includes sealing members closing gap and mounted in П-shaped housing joined with end of embracing part of gas-air tract. Sealing members are in the form of segments movably joined by means of dents and indentations on their end faces and adjoined at side of said dents and indentations to lateral walls of shaped housing and of embraced part of gas-air tract. Cavity of said housing is communicated with source of air pressure whose value exceeds pressure in gas-air tract.
EFFECT: enhanced reliability of fluid-tightness of part joint of gas-air tract.
3 dwg
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