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    A HYDRAULIC FUSE
    1.
    发明公开
    A HYDRAULIC FUSE 审中-公开

    公开(公告)号：EP4400750A1

    公开(公告)日：2024-07-17

    申请号：EP23215586.1

    申请日：2023-12-11

    申请人： Rolls-Royce plc

    发明人： Carreno Del Pino, Jorge ,  Daginawalla, Hassan ,  Lawrence, Samuel ,  Nichols, Harry ,  Yeandel, Michael ,  Jones, Gareth

    IPC分类号： F16K17/14 ,  F01D17/10

    CPC分类号： F16K17/14 ,  F16K2200/20420210801 ,  F01D21/14

    摘要： The present disclosure relates to a hydraulic fuse (30) comprising: a fuse body (32) defining a plenum (34), the plenum comprising: an inlet (35) configured to couple to a first fluid location (37); and an outlet (36) configured to couple to a second fluid location (38). The hydraulic fuse further comprises a first fuse element (39) arranged to close the inlet, the first fuse element configured to open the inlet when a pressure differential between the first fluid location and the plenum reaches a first threshold; and a second fuse element (40) arranged to close the outlet, the second fuse element configured to open the outlet when a pressure differential between the plenum and the second fluid location reaches a second threshold, wherein the first threshold is higher than the second threshold. In an inactive state, the inlet is closed by the first fuse element and the outlet is closed by the second fuse element to prevent fluid flow through the plenum; and in an active state, the pressure differential between the first fluid location and the plenum reaches the first threshold to cause the first fuse element to open and permit fluid flow through the inlet, and the pressure differential between the plenum and the second fluid location reaches the second threshold to cause the second fuse element to open and permit fluid flow through the outlet.