| 摘要 |
The invention relates to a part ( 110 ) of the distributor of the first stage of a turbojet low-pressure turbine. A part of this type comprises an outer platform segment ( 104 ) and an inner platform segment ( 102 ) between which a plurality of hollow blades ( 106 ), intended to be supplied with cooling air, extend, a cap ( 132 ) covering a base portion ( 138 ) of the outer platform segment ( 104 ) so as to define with this base portion a chamber ( 140 ), which communicates with the interior of said blades ( 106 ) via communication openings ( 130 ), air inlets ( 137 ) being provided in said cap ( 132 ) in order to allow said chamber ( 140 ) to be supplied with cooling air.
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