Title:
ACCUMULATOR
Document Type and Number:
WIPO Patent Application WO/2018/143030
Kind Code:
A1
Abstract:
An accumulator which achieves a long service life without the need for special processing on the seal member is provided. By fixing a bellows 3, configured from a bellows main body 31 and a bellows cap 32, to a housing 2, the inside of the housing 2 is hermetically partitioned between the inside and outside of the bellows 3; a seal member 35, which is formed by covering a circular plate substrate 36 with an elastic member 37, is held on the bellows cap 32 by means of a holding unit 34c of an annular seal holder 34, on the inner diameter side thereof; and a fluid inlet/outlet 24 is closed through close contact of the seal member 35 on the seal surface 25 of the housing 2, wherein through-holes 38, 38… are provided penetrating in the radial direction through the seal holder 34, and, in the seal holder 34 or the seal surface 25, communication passages 39, 39… are provided extending in the radial direction so as to form a space A1 that allows communication between the through-holes 38, 38… and the fluid inlet/outlet 24.
More Like This:
| JPS5842361 | [Title of the Invention] |
| WO/2017/069049 | ACCUMULATOR |
Inventors:
ARIKAWA TATSUHIRO (JP)
Application Number:
PCT/JP2018/002111
Publication Date:
August 09, 2018
Filing Date:
January 24, 2018
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F15B1/14
Domestic Patent References:
| WO2013187165A1 | 2013-12-19 |
Foreign References:
| JP2009236137A | 2009-10-15 | |||
| JP4384942B2 | 2009-12-16 |
Other References:
See also references of EP 3578828A4
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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