| 摘要 |
The present invention relates to the control blocks for retractable landing gear in housings able to be closed by doors. The block is characterised essentially in that it comprises at least two electrohydraulic servo distributors 15, 16 each respectively comprising a first driving stage 17, 18, and a second fluid distribution stage 19, 20, this second stage comprising a supply inlet for fluid at a defined pressure, inlet means for fluid 7 and means of fluid communication between the inlet means with respectively the two supply inlets of the said two second stages, the said communication means comprising a controllable obturator 10, 11, 12, 29. <IMAGE>
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