Title:
ACCUMULATOR
Document Type and Number:
WIPO Patent Application WO/2017/141718
Kind Code:
A1
Abstract:
Provided is an accumulator having excellent sealability at the joint between bladders. Disclosed is an accumulator 10 in which the interior space of a shell 20 is partitioned into a gas chamber G and a liquid chamber R by arranging bladders 30 on the inner side of the shell 20, the accumulator comprising: an outer-diameter-side bladder 31 having a circumferential edge part 31a arranged on the inner circumferential part 20b of the shell 20; an inner-diameter-side bladder 32 having a circumferential edge part 32a arranged on the inner side of the outer-diameter-side bladder 31 and formed so as to project toward the inner diameter side; and a holder 40 that holds the circumferential edge part 31a of the outer-diameter-side bladder 31 and the circumferential edge part 32a of the inner-diameter-side bladder 32 from the inner diameter side so as to oppose the inner circumferential part 20b of the shell 20. The circumferential edge part 31a of the outer-diameter-side bladder 31 includes an outer-side annular projection 31g on the outer diameter side thereof. The circumferential edge part 32a of the inner-diameter-side bladder 32 includes, on the inner diameter side thereof, an inner-side annular projection 32h that abuts against the holder 40.
Inventors:
KAMIMURA SHINYA (JP)
MATSUI KATSUMI (JP)
MATSUI KATSUMI (JP)
Application Number:
PCT/JP2017/003819
Publication Date:
August 24, 2017
Filing Date:
February 02, 2017
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F15B1/12
Foreign References:
| JPH0484803U | 1992-07-23 | |||
| JPS48108210U | 1973-12-14 | |||
| JPH04117901U | 1992-10-22 | |||
| JPH02128801U | 1990-10-24 |
Other References:
See also references of EP 3418583A4
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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