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NON-CONTACT SEAL OF LABYRINTH TYPE OBTAINED BY ADDITIVE MANUFACTURE
NON-CONTACT SEAL OF LABYRINTH TYPE OBTAINED BY ADDITIVE MANUFACTURE
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机译：增材制造获得的拉比林斯型非接触式密封
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摘要
The invention relates to a non-contact seal (1) intended to equip a wall (4) and a shaft (2) passing through an opening (3) of this wall (4), this seal (1) comprising a rotating member ( 6) intended to be carried by the shaft (2) and a fixed member (7) to be carried by the opening (3), the fixed member (7) being fitted around the rotating member (6) while being rotatable relative thereto, the rotating member (6) having an outer face (8) provided with at least one circumferential rib and the fixed member having an inner face (12) provided with at least one throat or vice versa. Each rib is partially engaged in a corresponding groove to form a labyrinthine escape path (16). The rotating member (6) and the fixed member (7) are each formed in one piece, and in that the rotating member (6) and / or the fixed member (7) is obtained by additive construction. .
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