Title:
ACCUMULATOR
Document Type and Number:
WIPO Patent Application WO/2017/033624
Kind Code:
A1
Abstract:
This invention addresses the problem of reducing the impact of spatter during welding without providing a separate member. An accumulator comprises: a base member (2); a cover member (3) that is welded to the base member (2) and that constitutes a pressure chamber between the cover member and the base member (2); an expandable partition member (4) that separates the pressure chamber into an inner chamber and an outer chamber; and a labyrinth structure (20) that is provided in at least one of a first region (2b) on the base member (2) that is positioned more to the outer chamber side than the welded portion between the base member (2) and the cover member (3) and a second region (3d) on the cover member that faces the first region (2b) and that is positioned more toward the outer chamber side than the welded portion.
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| JP2539905 | [Title of Invention] Accumulator |
| WO/2001/083997 | PRESSURE ACCUMULATOR COMPRISING TWO VALVES |
| JP3214426 | DIAPHRAGM AND ACCUMULATOR USING THE SAME |
Inventors:
YAMAMOTO HIDEKI (JP)
MIZUKAMI HIROSHI (JP)
MIZUKAMI HIROSHI (JP)
Application Number:
PCT/JP2016/071187
Publication Date:
March 02, 2017
Filing Date:
July 19, 2016
Export Citation:
Assignee:
ADVICS CO LTD (JP)
NHK SPRING CO LTD (JP)
NHK SPRING CO LTD (JP)
International Classes:
F15B1/10
Foreign References:
| JPS5547241B2 | 1980-11-28 | |||
| JPS506248B1 | 1975-03-12 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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