发明授权
- 专利标题: Inspection instrument channel aspirator and pressure neutralizing device
- 专利标题(中): 检测仪器通道吸气器和压力中和装置
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申请号: US171569申请日: 1988-03-22
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公开(公告)号: US4874364A公开(公告)日: 1989-10-17
- 发明人: David L. Morris , Mihail Filip , Frank D. D'Amelio , Dominick G. Esposito , Robert H. Quint
- 申请人: David L. Morris , Mihail Filip , Frank D. D'Amelio , Dominick G. Esposito , Robert H. Quint
- 申请人地址: CA Santa Barbara
- 专利权人: Circon Corporation
- 当前专利权人: Circon Corporation
- 当前专利权人地址: CA Santa Barbara
- 主分类号: A61B1/31
- IPC分类号: A61B1/31
摘要:
A gas pressure neutralizing device for use with a working channel of an inspection instrument. The device comprises means for providing a first gas pressure buffer, a second gas pressure buffer, a chamber formed therebetween and means for reducing the pressure in the chamber whereby gases are substantially prevented from exiting the instrument through a working inlet of the device at an elevated pressure or high velocity.
公开/授权文献
- US6066934A Induction motor controller 公开/授权日:2000-05-23
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