DAMPER DEVICE

A damper device is provided in a flow passage of a fluid. The damper device includes a plurality of diaphragm dampers that are stacked together. Each of the plurality of diaphragm dampers includes a first flexible portion, a second flexible portion, and a rim including a welded portion. A peripheral...

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Bibliographische Detailangaben
Hauptverfasser: OGAWA, Yoshihiro, YABUUCHI, Takeyuki, SUGIMOTO, Shinichi, IWA, Toshiaki, YAMADA, Hiroatsu, SATO, Yusuke, HISHINUMA, Osamu
Format: Patent
Sprache:eng
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Zusammenfassung:A damper device is provided in a flow passage of a fluid. The damper device includes a plurality of diaphragm dampers that are stacked together. Each of the plurality of diaphragm dampers includes a first flexible portion, a second flexible portion, and a rim including a welded portion. A peripheral edge of the first flexible portion and a peripheral edge of the second flexible portion are welded together in the welded portion. Each of the plurality of diaphragm dampers is configured to seal a gas in an inner region between the first flexible portion and the second flexible portion. A coupler that couples the plurality of diaphragm dampers together includes holders that hold the rims of the plurality of diaphragm dampers. A gap is provided between the holder of the coupler and the welded portion of each of the plurality of diaphragm dampers.