Title:
ACCUMULATOR
Document Type and Number:
WIPO Patent Application WO/2017/122481
Kind Code:
A1
Abstract:
Provided is an accumulator configured so that the accumulator has a damping function for protecting a seal section from a stay and so that a bellows cap can be quickly moved away from the stay when pressure within pressure piping increases.
An accumulator has provided within a pressure container (2): a cylindrical bellows (6); a bellows cap (10) for separating a liquid chamber (M) and a gas chamber (G) in cooperation with the bellows; and a stay (30) provided with a through-hole (33) and dividing the liquid chamber (M) into an enclosed liquid chamber (Mc) on the bellows (6) side and an open liquid chamber (Mo) on the liquid pressure port side. The bellows cap (10) is provided with an elastic contact section (23) comprising: an annular seal section (25) located facing the periphery of the through-hole (33); and a damping section (26) located radially inside the seal section (25). The damping section of the elastic contact section (23) has formed therein a communication passage (27A) always in communication with the through-hole (33).
Inventors:
ARIKAWA TATSUHIRO (JP)
Application Number:
PCT/JP2016/087013
Publication Date:
July 20, 2017
Filing Date:
December 13, 2016
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F15B1/10
Foreign References:
| JP2010112431A | 2010-05-20 | |||
| JP2010151286A | 2010-07-08 | |||
| JP3148349U | 2009-02-12 |
Other References:
See also references of EP 3404271A4
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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