| 摘要 |
<p>A metal bellows accumulator (A), wherein a metal bellows unit (13) is installed in a pressure space (11) formed in a main shell (12), fixed to one end wall (12b) of the main shell (12) at one end thereof, and divides the pressure space (11) into an outside gas chamber (15) sealed with pressurized gas and an inside liquid chamber (16) communicating with a liquid access port (12c) formed in one end wall (12b) thereof, a stopper (an auxiliary shell (17)) having a communication passage (a communication hole (17c) and a clearance (D)) for restricting the amount of retraction of the metal bellows unit (13) is installed in the liquid chamber (16), and the communication passage (the communication hole (17c) and the clearance (D)) always communicates the liquid chamber (an external liquid chamber (16b)) allowing the bellows part inner peripheral surface of the metal bellows unit (13) to be exposed thereto with the liquid access port (12c).</p> |
