| 摘要 |
The invention relates to a bleed air supply system and a safety device (12) for closing a valve (5, 6, 7) in at least one of the several bleed air supply lines (3, 4, 8, 11) depending on an alarm signal that indicates an opening in at least one of the several bleed air supply lines (3, 4, 8, 11). To stop the supply of bleed air irrespective of the type of the bleed air source, the safety device (12) comprises a filter device (15) for generating the alarm signal depending on the ground connection signal and on an opening signal from an opening signal device that indicates any opening of the bleed air supply line (8) that is connected to the high-pressure ground connection (9).
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