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2. 发明申请

US20150202082A1 FERROMAGNETIC VALVES 审中-公开
标题翻译：气动阀
公开(公告)号：US20150202082A1
公开(公告)日：2015-07-23
申请号：US14423635
申请日：2013-08-30
申请人： Massachusetts Eye & Ear Infirmary
发明人： Eleftherios Paschalis Ilios , Claes H. Dohlman
IPC分类号： A61F9/007 , F16K99/00
CPC分类号： A61F9/00781 , A61F2250/0013 , A61M39/228 , A61M2205/0272 , A61M2205/0288 , A61M2210/0612 , F16K99/0046
摘要： The disclosure includes devices and methods for controlling fluid flow. The devices include a tube configured to receive fluid from a fluid source; and a valve for controlling fluid flow through the tube, the valve responsive to fluid pressure in the tube. The valve includes a first magnet outside the tube at a fixed first distance from the tube and a second magnet outside the tube substantially opposite the first magnet and at a second distance from the tube, the second distance greater than the first distance. The valve includes a ferromagnetic fluid within the tube between the first magnet and the second magnet and held in position by a magnetic field generated by the first magnet. The amount of ferromagnetic fluid is sufficient to seal the tube when the fluid pressure is below a threshold pressure set by the second distance between the second magnet and the tube.
摘要翻译：本公开包括用于控制流体流动的装置和方法。所述装置包括配置成从流体源接收流体的管; 以及用于控制流过管的流体的阀，所述阀响应于管中的流体压力。所述阀包括位于所述管外部的与所述管相距固定的第一磁体和位于所述管外侧的第二磁体，所述第二磁体与所述第一磁体基本相对并且距所述管的第二距离处，所述第二距离大于所述第一距离。该阀包括位于第一磁体和第二磁体之间的管内的铁磁流体，并由第一磁体产生的磁场保持就位。当流体压力低于由第二磁体和管子之间的第二距离设定的阈值压力时，铁磁流体的量足以密封管子。

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