公开(公告)号：US20180100840A1

公开(公告)日：2018-04-12

申请号：US15838081

申请日：2017-12-11

Applicant: DIONEX CORPORATION

Inventor： Alan Daniel YIM ,  Paul H. GAMACHE ,  Ryan S. McCARTHY

IPC: G01N30/84 ,  G01N30/64

CPC classification number: G01N30/84 ,  B05B7/0012 ,  B05B7/0876 ,  G01N30/64 ,  G01N2030/8452 ,  G01N2030/8464 ,  G01N2030/847

Abstract: A nebulizer for a charged aerosol detection (CAD) system is disclosed. The nebulizer is provided with a spray emitter for generating a spray of droplets within a central region of a spray chamber. The central region is separated from an upper region by a horizontally projecting rib, which defines a passageway between the central and upper regions. The major direction of droplet travel within the upper region is substantially reversed with respect to the major direction of droplet travel within the central region. Larger droplets are unable to negotiate the turn from the central to upper regions and impinge on a rear surface of the spray chamber. Removal of larger droplets has the advantageous effect of enabling the detector to sense a smaller range of particle sizes, which establishes a relatively steady electrical current at the detector.

公开(公告)号：US20140352411A1

公开(公告)日：2014-12-04

申请号：US14288693

申请日：2014-05-28

Applicant: DIONEX CORPORATION

Inventor： Alan Daniel YIM ,  Paul H. GAMACHE ,  Ryan S. McCARTHY

IPC: G01N30/84 ,  B05B7/00

CPC classification number: G01N30/84 ,  B05B7/0012 ,  B05B7/0876 ,  G01N30/64 ,  G01N2030/8452 ,  G01N2030/8464 ,  G01N2030/847

Abstract: A nebulizer for a charged aerosol detection (CAD) system is disclosed. The nebulizer is provided with a spray emitter for generating a spray of droplets within a central region of a spray chamber. The central region is separated from an upper region by a horizontally projecting rib, which defines a passageway between the central and upper regions. The major direction of droplet travel within the upper region is substantially reversed with respect to the major direction of droplet travel within the central region. Larger droplets are unable to negotiate the turn from the central to upper regions and impinge on a rear surface of the spray chamber. Removal of larger droplets has the advantageous effect of enabling the detector to sense a smaller range of particle sizes, which establishes a relatively steady electrical current at the detector.

Abstract translation: 公开了一种用于带电气溶胶检测（CAD）系统的雾化器。 雾化器设置有用于在喷雾室的中心区域内产生液滴喷雾的喷射发射器。 中心区域通过水平突出的肋条从上部区域分离，该肋条限定了中心区域和上部区域之间的通道。 在上部区域内的液滴行进的主要方向相对于中心区域内的液滴行进的主要方向基本上是相反的。 较大的液滴不能协调从中心到上部区域的转弯并撞击在喷雾室的后表面上。 去除更大的液滴具有使检测器能够感测更小范围的粒度的有利效果，其在检测器处建立相对稳定的电流。