| 主权项 |
1. A pressurized-gas storage boss assembly, comprising:
a liner (200) defining a gas storage chamber (11) and having a polar end (202) portion with a substantially planar surface, having an access opening (18) on the planar surface which is in fluid communication with the gas storage chamber, the liner further including a raised circular neck ring (205) extending from the planar surface and surrounding the access opening, the raised circular ring having outer annular wall (215), a top wall (215) and an inner annular wall (212), with a set of helical neck threads (210) provided on the inner annular wall; a boss (100) having a longitudinally extending body (101) that has a top surface (107), a planar bottom surface (110) with a fluid connection (102) to serve as a fluid passageway through the boss to the gas storage chamber, the boss further including a liner mounting connection (120) on the flange (109) bottom surface (110), the liner mounting connection (LMC) has a groove adapted to be threadably engaged with the neck; including a top (121) an outer annular wall (122) which is substantially smooth and an internal annular wall (123) which is helically threaded (150) to engage the neck threads (210); and, wherein the boss is configured to be screwed onto the liner, via the neck such that the helical neck threads (210) are engaged with the corresponding helical threads of the internal annular wall. |
