Release mechanism for a pressure vessel

摘要

A mechanism (10) for releasing high pressure fluid from a pressure vessel has a connecting member (12) for connecting to the pressure vessel, a support sleeve (20), a sealing disk (35), supporting means which may be a trap door (50), a rotatable column (68), or a support plug (78) and a protractor (32) or retractor (80) for selectively removing the supporting means and thus opening the sealing disk. The sealing disk can also be opened spontaneously, operating as a relief valve.