| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a metal bellows accumulator having improved durability and safety by releasing liquid from a liquid chamber to prevent the deformation of the metal bellows and damage thereto when the pressure of the liquid chamber is increased for fire, or the like in a zero-down condition that the metal bellows is shrunk. <P>SOLUTION: In the metal bellows accumulator, the seal means includes a seal member made of an elastic material in which a reinforcing ring made of a metal material is embedded, and a holder for holding the seal member on the side of the cap in an axially movable manner. When the seal member is burnt down, a communication means is provided to communicate the liquid chamber side with the introduction hole side. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
