FIELD: engines and pumps.
SUBSTANCE: turbojet bearings chamber comprises means to feed lubricating fluid to bearing, air feed means, at least one sealing system arranged between stator and rotor ahead and/or behind the bearing, means to recover lubricating fluid and means to remove lubricating fluid and its residues toward vent circuit. Balancing device comprises airflow rate adjustment system arranged downstream of bearings chamber and in vent circuit to vary flow rate depending upon engine rpm so that it is other than zero and, at high rpm, it is lower than that.
EFFECT: sealed chambers to equalise pressure at boundaries of engine combustion chamber seals.
18 cl, 14 dwg
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