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Noise attenuating high-volume suction tip with automatic integral on demand vacuum release valve mechanism
专利权人:
James E. Hamman
发明人:
James E. Hamman,James B. Vee,Frances K. Hamman
申请号:
US13674785
公开号:
US08556872B1
申请日:
2012.11.12
申请国别(地区):
US
年份:
2013
代理人:
摘要:
In one embodiment, the present disclosure is directed to a high volume suction tip, including a tubular body with peripheral side wall, a functional orifice, and a vacuum source end. An aperture in a wall of the tubular body forms a vacuum release orifice, wherein the aperture is between the functional orifice and the vacuum source end. A plurality of tubes are placed within a lumen of the tubular body, wherein the tubes have a longitudinal axis substantially parallel to a longitudinal axis of the tubular body and provide at least one channel for transmitting a material from the functional orifice to the vacuum source end. A first tube occludes the vacuum release orifice at a first pressure, and, at a second pressure lower than the first pressure, a compressible side wall of a second tube collapses inwardly to disengage the first tube from the vacuum release orifice.
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中国工程科技知识中心
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