Title:
ACCUMULATOR
Document Type and Number:
WIPO Patent Application WO/2017/069049
Kind Code:
A1
Abstract:
Provided is an accumulator capable of minimizing collisions of a metal bellows with a pressure container. This accumulator is characterized in that: a partitioning unit 300 is provided with a tubular metal bellows 310 fixed at one end side to a pressure container 200, the tubular metal bellows 310 expanding and contracting in accordance with pressure in a fluid chamber and pressure in a gas chamber, and a bellows cap 320 fixed to the other end side of the metal bellows 310; and the partitioning unit 300 has a seal member 330 that is provided between the bellows cap 320 and a port 221, the seal member 330 sealing in a hydraulic fluid on the fluid chamber side via the metal bellows 310 when the metal bellows 310 contracts, and a sliding unit 350 fixed to the bellows cap 320, the sliding unit 350 sliding in the expanding/contracting direction of the metal bellows 310 in relation to a stay 400.
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Inventors:
ARIKAWA TATSUHIRO (JP)
Application Number:
PCT/JP2016/080468
Publication Date:
April 27, 2017
Filing Date:
October 14, 2016
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F15B1/10; F15B1/14
Foreign References:
| JP2003175819A | 2003-06-24 | |||
| JP3118492U | 2006-01-26 |
Other References:
See also references of EP 3366930A4
Attorney, Agent or Firm:
SERA Kazunobu et al. (JP)
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