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Title:
METAL DIAPHRAGM DAMPER AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2019/102983
Kind Code:
A1
Abstract:
Provided are a metal diaphragm damper with excellent sealing characteristics and a manufacturing method for the same. A metal diaphragm damper 1 comprises: a disk-shaped damper main body 2 in which a gas is sealed between two diaphragms 4, 5 that are each provided with a deformation action section 19 on the center side; and two restriction members 6, 7 respectively disposed in the expansion direction of the deformation action sections 19 of the two diaphragms 4, 5. The metal diaphragm damper comprises: a first welded section WD1 that seals an annular section 25 of restriction member 6 and an outer peripheral edge 20 of diaphragm 4; a first welded section WD1 that seals an annular section 25 of restriction member 7 and an outer peripheral edge 20 of diaphragm 5; and a second welded section WD2 that seals together the annular sections 25 of the two restriction members 6, 7.

Inventors:
SATO Yusuke (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
IWA Toshiaki (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
OGAWA Yoshihiro (C/O Eagle Industry Co. Ltd, 1-12-15, Shiba-Daimon, Minato-k, Tokyo 87, 〒1058587, JP)
Application Number:
JP2018/042766
Publication Date:
May 31, 2019
Filing Date:
November 20, 2018
Export Citation:
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Assignee:
EAGLE INDUSTRY CO., LTD. (1-12-15, Shiba-Daimon Minato-k, Tokyo 87, 〒1058587, JP)
International Classes:
F02M59/44; F16J3/04; F16J15/52
Domestic Patent References:
WO2017022603A12017-02-09
WO2005026585A12005-03-24
Foreign References:
JP2013227877A2013-11-07
JPS51127081U1976-10-14
JP2016113922A2016-06-23
JPH0344646U1991-04-25
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (19F Garden Court, 4-1 Kioi-cho, Chiyoda-k, Tokyo 78, 〒1028578, JP)
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