Powder dispenser modules and powder dispenser assemblies
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-001/20
B65B-001/46
B65B-001/12
B65B-001/30
B65B-001/32
B65B-037/14
B65B-057/14
출원번호
US-0057420
(2009-08-05)
등록번호
US-9221561
(2015-12-29)
국제출원번호
PCT/US2009/004500
(2009-08-05)
§371/§102 date
20110330
(20110330)
국제공개번호
WO2010/016908
(2010-02-11)
발명자
/ 주소
Maheshwari, Rajesh
Scharger, Rolf
Poole, Trent A.
Fog, Per B.
출원인 / 주소
MannKind Corporation
대리인 / 주소
Wolf, Greenfield & Sacks, P.C.
인용정보
피인용 횟수 :
2인용 특허 :
67
초록▼
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 d
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.
대표청구항▼
1. A powder dispenser module comprising: a housing that defines a powder inlet for receiving a powder, a powder outlet, and a conduit connecting the powder inlet and the powder outlet;a feed wand to move powder through the conduit from the powder inlet to the powder outlet, the feed wand including a
1. A powder dispenser module comprising: a housing that defines a powder inlet for receiving a powder, a powder outlet, and a conduit connecting the powder inlet and the powder outlet;a feed wand to move powder through the conduit from the powder inlet to the powder outlet, the feed wand including a lower feed element coupled to a first drive shaft and an upper feed element coupled to a second drive shaft;a fill valve to control the powder outlet;a valve actuator to operate the fill valve between open and closed positions;a first actuator coupled to the first drive shaft to rotate the lower feed element;a second actuator coupled to the second drive shaft to rotate the upper feed element; anda control system operative to rotate the upper feed element with the valve closed, while maintaining the lower feed element stationary, to open the valve, to rotate the upper feed element and the lower feed element to dispense powder through the open valve to a cartridge, and to close the valve when a desired fill state of the cartridge is reached, wherein the upper feed element and the lower feed element are independently controlled to achieve a desired powder feed operation. 2. A powder dispenser module as defined in claim 1, wherein the first drive shaft comprises an inner shaft and the second drive shaft comprises an outer shaft concentric with the inner shaft. 3. A powder dispenser module as defined in claim 2, wherein the feed wand further includes bearings and seals between the inner shaft and the outer shaft, so that the inner shaft is free to rotate relative to the outer shaft. 4. A powder dispenser module as defined in claim 2, wherein the upper feed element comprises a wire frame and the lower feed element comprises an auger, and wherein the wire frame includes a helical portion and a straight portion above the helical portion. 5. A powder dispenser module as defined in claim 4, further comprising an orifice element, having at least one orifice, positioned adjacent to the powder outlet and a bearing positioned between the feed wand and the orifice element to define a spacing between the auger and the orifice element, wherein the orifice element comprises a granulator that supports the bearing. 6. A powder dispenser module as defined in claim 5, wherein the granulator includes spokes that support a ring for receiving the bearing, the spokes defining orifices for dispensing powder. 7. A powder dispenser module as defined in claim 1, wherein the valve includes a valve member that rotates about an axis perpendicular to an axis of the feed wand. 8. A powder dispenser module as defined in claim 7, wherein the valve member comprises a disk mounted for rotation about an axis in the plane of the disk. 9. A powder dispenser module as defined in claim 8, wherein the disk has a sharp outer edge to limit powder accumulation. 10. Powder dispensing and sensing apparatus including a plurality of powder dispenser modules as defined in claim 1, and comprising: a support structure to receive a cartridge holder configured to hold cartridges;the powder dispenser modules configured to dispense powder into respective cartridges;a powder transport system to deliver powder to the powder dispenser modules;a sensor module including a plurality of sensor cells to sense respective fill states of each of the cartridges; andthe control system configured to control the powder dispenser modules in response to the respective sensed fill states of each of the cartridges, wherein the control system includes an embedded processor in each of the powder dispenser modules, each embedded processor communicating with a respective sensor cell and elements of the powder dispenser module. 11. A method for dispensing powder into a cartridge, comprising: positioning a cartridge under a dispenser module having a conduit containing a powder and a valve at a lower end of the conduit;with the valve closed, operating an upper feed element in the conduit while maintaining a lower feed element stationary;opening the valve;operating the upper feed element and the lower feed element in the conduit to dispense powder through the open valve to the cartridge; andclosing the valve when a desired fill state of the cartridge is reached. 12. Powder dispensing and sensing apparatus including a plurality of powder dispenser modules as defined in claim 1, and comprising: a support structure to receive a cartridge holder configured to hold at least one row of cartridges;a powder dispenser assembly including the powder dispenser modules to dispense powder into respective cartridges in the at least one row of cartridges, wherein the powder dispenser assembly includes an array having only one or two rows of the powder dispenser modules, wherein direct powder feeds are provided to each powder dispenser module of the one or two rows of the powder dispenser modules;a powder transport system to deliver powder to the powder dispenser modules;a sensor module including a plurality of sensor cells to sense respective fill states of each of the cartridges in the at least one row of cartridges;a control system to control the powder dispenser modules in response to the respective sensed fill states of each of the cartridges of the at least one row of cartridges; andan actuator to move the at least one row of cartridges relative to the array of powder dispenser modules. 13. Powder dispensing and sensing apparatus as defined in claim 12, wherein the array of powder dispenser modules comprises a single row of powder dispenser modules. 14. Powder dispensing and sensing apparatus as defined in claim 13, wherein the powder transport system is configured to individually deliver powder to each of the powder dispenser modules of the single row of powder dispenser modules. 15. Powder dispensing and sensing apparatus as defined in claim 12, wherein the array of powder dispenser modules comprises two rows of powder dispenser modules. 16. Powder dispensing and sensing apparatus incorporating one or more powder dispenser modules as defined in claim 1. 17. Powder dispensing and sensing apparatus as defined in claim 16, comprising: a support structure to hold a plurality of cartridges;the powder dispenser modules configured to dispense powder into respective cartridges;a powder transport system to deliver powder to the powder dispenser modules;a sensor module including a plurality of sensor cells to sense respective fill states of each of the cartridges; andthe control system configured to control the powder dispenser modules in response to the respective sensed fill states of each of the cartridges.
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