FIELD: engines and pumps.
SUBSTANCE: invention relates to gas turbines. Note here that several seals can be used arranged serially. Note also that every said seal can decrease backflow pressure at turbine element inlet. Besides, one or several channels can be made to direct, at least a portion of said gas backflow from several points without the boundaries of said several seals to appropriate points within the boundaries of turbine gas stage.
EFFECT: equalised axial force developed by gas flow in turbine elements.
17 cl, 4 dwg
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