公开(公告)号：EP2491770A4

公开(公告)日：2013-07-24

申请号：EP10825741

申请日：2010-10-22

Applicant: ILLINOIS TOOL WORKS

Inventor： GEFTER PETER ,  PARTRIDGE LESLIE WAYNE ,  NELSEN LYLE DWIGHT

IPC: H05F3/02 ,  H01T23/00

CPC classification number: H01T23/00 ,  H01J27/022 ,  H01J27/08 ,  H01T19/04 ,  H05F3/06

公开(公告)号：EP2422219A4

公开(公告)日：2017-11-15

申请号：EP10767438

申请日：2010-04-23

Applicant: ILLINOIS TOOL WORKS

Inventor： GEFTER PETER ,  KLOCHKOV ALEKSEY ,  MENEAR JOHN E ,  NELSEN LYLE DWIGHT

IPC: G01T1/185

CPC classification number: B03C3/017 ,  B03C3/155 ,  B03C3/383 ,  B03C3/41 ,  B03C3/49 ,  B03C2201/06 ,  B03C2201/24

Abstract: Clean corona gas ionization by separating contaminant byproducts from corona generated ions includes establishing a non-ionized gas stream having a pressure and flowing in a downstream direction, establishing a plasma region of ions and contaminant byproducts in which the pressure is sufficiently lower than the pressure of the non-ionized gas stream to prevent at least a substantial portion of the byproducts from migrating into the non-ionized gas stream, and applying an electric field to the plasma region sufficient to induce at least a substantial portion of the ions to migrate into the non-ionized gas stream.