公开(公告)号：WO2004080603A3

公开(公告)日：2005-03-24

申请号：PCT/US2004006213

申请日：2004-03-01

Applicant: SARNOFF CORP

Inventor： PLETCHER TIMOTHY A ,  KELLER DAVID ,  HO WEN ,  POLINIAK EUGENE S ,  FURDA JOHN P ,  MCGINN THOMAS ,  PULTORAK DONALD C ,  KASHEF MORTAZA

IPC: G03G15/02 ,  H02H1/00

CPC classification number: B05B5/08 ,  G03G15/0291 ,  G03G2215/028

Abstract: The invention is directed to a corona charging device (100) having a powder feed (102) with an outlet. The device has an internal charging cavity (103) having an inlet (101) and a charged powder outlet. The device also includes a rotating ground electrode and a ground electrode cleaner.

Abstract translation: 本发明涉及具有带有出口的粉末进料（102）的电晕充电装置（100）。 该装置具有带有入口（101）和带电粉末出口的内部充电腔（103）。 该装置还包括旋转接地电极和接地电极清洁器。

公开(公告)号：EP1602159A4

公开(公告)日：2009-01-07

申请号：EP04716139

申请日：2004-03-01

Applicant: SARNOFF CORP

Inventor： PLETCHER TIMOTHY A ,  KELLER DAVID ,  HO WEN ,  POLINIAK EUGENE S ,  FURDA JOHN P ,  MCGINN THOMAS ,  PULTORAK DONALD C ,  KASHEF MORTAZA

IPC: G03G15/02 ,  H02H1/00

CPC classification number: B05B5/08 ,  G03G15/0291 ,  G03G2215/028

Abstract: The invention is directed to a corona charging device having a powder feed with an outlet. The device has an internal charging cavity having an inlet and a charged powder outlet. The powder feed outlet is positioned at the internal charging cavity inlet. The device is adapted to guide a powder stream downstream from the powder feed outlet to the charged powder outlet. The device also includes a corona charger having one or more projections positioned and adapted to facilitate a corona ion flow from the projections and intersecting the powder stream. The device also includes a rotating ground electrode adapted to be charged or grounded to attract the corona flow from the projections, and to rotate segments of the ground electrode between the internal charging cavity and a ground electrode cleaner.

公开(公告)号：DE69913727T2

公开(公告)日：2004-10-07

申请号：DE69913727

申请日：1999-10-25

Applicant: SARNOFF CORP

Inventor： CHRAI S ,  MCGINN THOMAS ,  SINGH BAWA

IPC: A61J3/00 ,  A61J7/00 ,  A61K9/00 ,  A61M15/00 ,  A61M15/02 ,  B05D1/06 ,  B05D1/04

Abstract: A dry powder, for example, a medicament for an inhaler, comprises elongated particles with an aspect ratio sufficient to cause the particles to be bound to a preferably metal or non-metallic sheet material substrate at the particle tips by electrostatic deposition and for aligning a plurality of particles with their major axes aligned normal to the substrate and oriented tip-to-tip. Particles deposited form a low density, high relative void deposition to minimize attractive forces between the particles. This minimizes agglomeration and bonding forces to the substrate facilitating the release of a powdered medicament in an inhaler. Medicament dosages in a substrate pocket are covered by a sealing layer. An embodiment of a drug dosage inhaler substrate and inhaler is disclosed.