| 摘要 |
PURPOSE: To improve durability of an accumulator, and also improve accumulating capacity and pulsation absorbing capacity. CONSTITUTION: Spring means 7, 8, 9 whose one-side ends are supported on the spring seat part 2 of a cylinder 1 and their free end parts are opposed to a piston 4 are provided, and in such spring means, respective spring means 7, 8, 9 whose winding diameters and lengths are different from each other are arranged in parallel.
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