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1. 发明申请

US20140061500A1 ATMOSPHERIC PRESSURE ION SOURCE WITH EXHAUST SYSTEM 有权
标题翻译：大气压离子源与排气系统
公开(公告)号：US20140061500A1
公开(公告)日：2014-03-06
申请号：US13602249
申请日：2012-09-03
申请人： Zicheng YANG , Roy P. MOELLER , Stephen ZANON
发明人： Zicheng YANG , Roy P. MOELLER , Stephen ZANON
IPC分类号： H01J27/02 , H01J27/24
CPC分类号： H01J49/044 , H01J49/165 , H01J49/168 , H01J49/24
摘要： An atmospheric pressure ion source, employing the principle of electrospray ionization, chemical ionization, or photo-ionization, comprises a spray probe for spraying a liquid into an ionization chamber and has an exhaust port through which residual spray mist and waste gas, such as evaporated solvent, are extracted. The ion source further comprises an exhaust system comprising a conduit which is connected to the exhaust port. The conduit has a transition from a first cross-section to a second cross section at a point downstream of the exhaust port wherein the second cross section is reduced in relation to the first cross section. Gas is injected via a gas injector into the conduit in a region of the transition to create a low pressure region that removes unwanted material from the chamber.
摘要翻译：使用电喷雾电离，化学电离或光电离原理的大气压离子源包括用于将液体喷射到电离室中的喷射探针，并具有排气口，残留的喷雾和废气如蒸发溶剂，萃取。离子源还包括排气系统，其包括连接到排气口的导管。导管在排气口下游的点处具有从第一横截面到第二横截面的过渡，其中第二横截面相对于第一横截面减小。气体通过气体注入器在过渡区域中被注入导管，以产生从腔室去除不需要的材料的低压区域。

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