To provide a fluid-sealed vibration controller of a novel structure, capable of avoiding occurrence of noise in switching a vibration control characteristic, and also capable of accurately switching the vibration control characteristic even in a small amplitude region.SOLUTION: A fluid-sealed vibration controller 10 is configured such that a first attachment member 12 and the second attachment member 14 are elastically coupled by a body rubber elastic body 16; a plurality of fluid chambers 56, 58 in which non-compressive fluid is sealed are formed; and a communication flow passage 62 is provided so as to communicate the plurality of fluid chambers 56, 58 with each other. In the fluid-sealed vibration controller, the communication flow passage 62 is formed with a constriction part 54 constricted between flow passage formation members 34, 36, wherein the flow formation members are overlapped with each other.SELECTED DRAWING: Figure 2
【課題】防振特性の切替時に異音の発生を回避しながら、小振幅領域においても防振特性を精度良く切り替えることができる、新規な構造の流体封入式防振装置を提供すること。【解決手段】第一の取付部材12と第二の取付部材14が本体ゴム弾性体16によって弾性連結されており、内部に非圧縮性流体が封入された複数の流体室56,58が形成されていると共に、それら複数の流体室56,58を相互に連通する連通流路62が設けられている流体封入式防振装置10において、互いに重ね合わされた流路形成部材34,36間で狭窄された狭窄部54を含んで連通流路62が形成されている。【選択図】図2
FLUID-SEALED VIBRATION CONTROLLER
流体封入式防振装置
2019-05-16
Patent
Electronic Resource
Japanese
European Patent Office | 2020
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