Slotted nut type releasing device for a microsatellite, with full mechanical and pyrotechnical redundancy

摘要

An inner piston (10) is housed inside a petalled pin (9) and a releasing piston (13) in the form of a sleeve placed outside the said petalled pin form the sliding pieces that maintain the connection between a satellite base and a rocket platform, via a slotted nut (6) and connecting pieces (5).PPA pyrotechnical initiator (27) is provided in a shock absorber (25) at the base of the releasing device, and a detonating line (29) is placed above the base of the releasing piston.