专利名称：Vibration proofing apparatus发明人：Hiroshi Kojima,Yoshitaka Otsubo申请号：US11664066申请日：20050929公开号：US08302946B2公开日：20121106
专利附图：
摘要：In a vibration proofing apparatus, two second pressure receiving liquidchambers are arranged between an outer tube and a mounting attachment, and areconfigured to communicate with an auxiliary liquid chamber through two second orificeswhen an auxiliary vibration along an auxiliary amplitude direction orthogonal to an axial
direction is input to the mounting attachment, a rubber elastic body is elasticallydeformed along an auxiliary amplitude direction, and expands and contracts an internalvolume of the second pressure receiving liquid chambers. At this time, since a resonancephenomenon is generated in the liquid circulating between the second pressure receivingliquid chambers and the auxiliary liquid chamber through the second orifices insynchronization with the input auxiliary vibration, a low-frequency vibration input alongthe auxiliary amplitude direction due to a pressure change, and a viscous resistancegenerated together with the resonance phenomenon of the liquid is effectivelyabsorbed.
申请人：Hiroshi Kojima,Yoshitaka Otsubo
地址：Yokohama JP,Yokohama JP
国籍：JP,JP
代理机构：Carrier Blackman & Associates, P.C.
代理人：Joseph P. Carrier,William D. Blackman
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