Title:
PULSATION DAMPER
Document Type and Number:
Japanese Patent JP2022184375
Kind Code:
A
Abstract:
To provide a pulsation damper which materializes highly flexible selection of gas sealed into the damper, facilitates reuse of the sealed gas, and can be inexpensively manufactured.SOLUTION: A pulsation damper 10 arranged in a combustion chamber has: an annular cover 20 comprising an upper flange portion 21; a diaphragm 30 comprising a center salient portion 31 and an intermediate flange portion 32; a base plate 50 comprising an opening 55 and a lower flange portion 51; an inner support 40 disposed between the diaphragm 30 and the base plate 50; and a plug 60 welded to the base plate 50, and blocking the opening 55. The upper flange portion 21, the intermediate flange portion 32 and the lower flange portion 51 are welded to one another, and gas different from atmospheric air is filled into a space SP1 between the diaphragm 30 and the base plate 50.SELECTED DRAWING: Figure 1
Inventors:
YANAGIYA HIDEYUKI
WATANABE YUTA
WATANABE YUTA
Application Number:
JP2021092177A
Publication Date:
December 13, 2022
Filing Date:
June 01, 2021
Export Citation:
Assignee:
FUJI KOKI KK
International Classes:
F02M59/44; F02M55/00; F16F9/04; F16F15/023; F16J3/02
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office
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