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1. 发明公开

EP3882479A1 COUPLING GUARD FOR A ROTATING MEMBER 审中-公开
公开(公告)号：EP3882479A1
公开(公告)日：2021-09-22
申请号：EP20290030.4
申请日：2020-03-17
申请人： Dresser-Rand SAS
发明人： Marteau, Frededric , Peignet, Yann , Bouzin, Alex
IPC分类号： F16D3/84 , F01D25/14 , F24F1/028
摘要： The present invention describes a coupling guard (1) for a rotor (2), wherein the coupling guard (1) comprises:
- a housing (10) configured for enclosing the rotor (2) in an inner space (101) of the housing (10), said housing (10) being configured for extending longitudinally along a length of the rotor (2) around an axis of longitudinal extension (LH) of the housing (10) in order to surround at least said length of the rotor (2) ;
- a ventilation system for creating a flow of gas in said inner space (101) from a housing gas inlet (11) to a housing gas outlet (12) from which the gas is exhausted outside of the housing (10);
characterized in that the gas inlet (11) comprises a pipe (14) extending along a pipe longitudinal axis (L) from outside to inside the housing (10), said pipe (14) comprising a first opening (141) located outside the housing (10) and a second opening (142) located inside the housing (10) in said inner space (101), the pipe (14) being configured for having its second opening (142) close to the rotor (2) when the housing (10) encloses the latter, the second opening (142) comprising at least a curved edge (C1) wherein a projection of the curved edge (CI) onto a plane extending parallel to the longitudinal axis (L) of the pipe (14) and parallel to the axis of longitudinal extension (LH) is a segment of curve.

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