Title:
IMPROVED POWDER DISPENSER MODULES AND POWDER DISPENSER ASSEMBLIES
Document Type and Number:
WIPO Patent Application WO/2010/016908
Kind Code:
A3
Abstract:
A powder dispenser module (54) includes a housing (150) that defines a conduit connecting a powder inlet and a powder outlet, a feed wand (160) to move powder through the conduit from the powder inlet to the powder outlet, the feed wand (200) including a lower feed element (230) coupled to a first drive shaft and an upper feed element (220) coupled to a second drive shaft, a first actuator coupled to the first drive shaft to rotate the lower feed element (230), and a second actuator coupled to the second drive shaft to rotate the upper feed element (220). In other embodiments, the feed wand (200) includes a shaft having a fluidizing element and an actuator produces oscillatory movement of the feed wand during dispensing of powder. Dispenser module arrays include one or a few rows of dispenser modules.
Inventors:
POOLE TRENT A (US)
FOG PER B (US)
MAHESHWARI RAJESH (US)
SCHARGER ROLF (DE)
FOG PER B (US)
MAHESHWARI RAJESH (US)
SCHARGER ROLF (DE)
Application Number:
PCT/US2009/004500
Publication Date:
April 15, 2010
Filing Date:
August 05, 2009
Export Citation:
Assignee:
MANNKIND CORP (US)
POOLE TRENT A (US)
FOG PER B (US)
MAHESHWARI RAJESH (US)
SCHARGER ROLF (DE)
POOLE TRENT A (US)
FOG PER B (US)
MAHESHWARI RAJESH (US)
SCHARGER ROLF (DE)
International Classes:
B65B1/12; B65B1/30; B65B1/32
Foreign References:
| US20070131707A1 | 2007-06-14 | |||
| US4164244A | 1979-08-14 | |||
| DE102006018279A1 | 2007-10-25 |
Attorney, Agent or Firm:
MCCLELLAN, William, R. (Greenfield & Sacks P.C.,Federal Reserve Plaza,600 Atlantic Avenu, Boston MA, US)
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