| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve internal gas discharging efficiency when an internal pressure rises, by increasing an area of a pressure release plate including an opening. <P>SOLUTION: A pressure release device of a gas-insulated apparatus comprises: a flange plate 3 constituting a container which houses an electric device and has an insulating gas sealed therein; an opening 4 provided in the flange plate 3; a pressure release plate 5 for closing the opening 4; an O-ring 6 provided between the pressure release plate 5 and the flange plate 3 so as to surround the opening 4; a band plate 7 for fixing the pressure release plate 5 to the flange plate 3; and a reinforcing member 11 fixed to the outside of the pressure release plate 5 by a spot-welded fixing part 10. <P>COPYRIGHT: (C)2012,JPO&INPIT |
