[미국특허]
Methods and apparatus for dispensing solid articles
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-083/04
G07F-013/10
G07F-011/44
G07F-017/00
G07F-011/62
출원번호
US-0473757
(2009-05-28)
등록번호
US-8827113
(2014-09-09)
발명자
/ 주소
Michelli, Richard D.
Dummer, Andrew Kirk
출원인 / 주소
Parata Systems, LLC
대리인 / 주소
Myers Bigel Sibley & Sajovec
인용정보
피인용 횟수 :
0인용 특허 :
42
초록▼
An apparatus for dispensing articles includes a housing, a gas source, a drive mechanism and an agitation jet device. The housing defines: a hopper chamber to hold the articles; a dispensing channel fluidly connected to the hopper chamber, the dispensing channel having an inlet and an outlet and def
An apparatus for dispensing articles includes a housing, a gas source, a drive mechanism and an agitation jet device. The housing defines: a hopper chamber to hold the articles; a dispensing channel fluidly connected to the hopper chamber, the dispensing channel having an inlet and an outlet and defining a flow path therebetween; and an agitation outlet. The gas source provides a positive pressure supply gas flow having a first pressure, a first velocity and a first mass flow rate. The drive mechanism conveys articles through the dispensing channel along the flow path. The agitation jet device is interposed and fluidly connected between the gas source and the agitation outlet. The agitation jet device includes a feed opening to receive the supply gas flow and a jet opening to convert the supply gas flow to a pressurized agitation gas flow through the agitation outlet to agitate articles in the hopper chamber. The agitation gas flow has a second pressure less than the first pressure, a second velocity greater than the first velocity, and a second mass flow rate greater than the first mass flow rate.
대표청구항▼
1. An apparatus for dispensing articles, the apparatus comprising: a housing defining: a hopper chamber to hold the articles;a dispensing channel fluidly connected to the hopper chamber, the dispensing channel having an inlet and an outlet and defining a flow path therebetween; andan agitation outle
1. An apparatus for dispensing articles, the apparatus comprising: a housing defining: a hopper chamber to hold the articles;a dispensing channel fluidly connected to the hopper chamber, the dispensing channel having an inlet and an outlet and defining a flow path therebetween; andan agitation outlet;a gas source to provide a positive pressure supply gas flow having a first pressure, a first velocity and a first mass flow rate;a drive mechanism to convey articles through the dispensing channel along the flow path; andan agitation jet device interposed and fluidly connected between the gas source and the agitation outlet, the agitation jet device including a feed opening to receive the supply gas flow and a jet opening to convert the supply gas flow to a pressurized agitation gas flow through the agitation outlet to agitate articles in the hopper chamber, wherein the agitation gas flow includes a supplemental gas flow that mixes with the supply gas flow, absorbs energy from the supply gas flow, and joins the supply gas flow to provide the agitation gas flow, the agitation gas flow having a second pressure less than the first pressure, a second velocity greater than the first velocity, and a second mass flow rate greater than the first mass flow rate. 2. The apparatus of claim 1 wherein the jet opening is an elongated slot. 3. The apparatus of claim 1 including a series of aligned jet openings. 4. The apparatus of claim 1 wherein the drive mechanism includes a drive jet outlet in the housing, and the gas source is also fluidly connected to the drive jet outlet to provide a pressurized drive jet gas flow through the drive jet outlet to convey articles through the dispensing channel along the flow path. 5. The apparatus of claim 1 configured to generate the drive jet gas flow and the agitation gas flow simultaneously. 6. The apparatus of claim 1 configured to generate the drive jet gas flow and the agitation gas flow simultaneously using the same gas source. 7. The apparatus of claim 1 wherein the supplemental gas flow is drawn from the hopper chamber. 8. The apparatus of claim 7 wherein the agitation gas flow consists essentially of the supply gas flow and the supplemental gas flow. 9. A method for dispensing articles using an apparatus including a housing defining a hopper chamber to hold the articles, a dispensing channel fluidly connected to the hopper chamber, and an agitation outlet, the apparatus further including a gas source, a drive mechanism, and an agitation jet device interposed and fluidly connected between the gas source and the agitation outlet, the method comprising: providing a positive pressure supply gas flow from the gas source to a feed opening of the agitation jet device, the supply gas flow having a first pressure, a first velocity and a first mass flow rate;using a jet opening of the agitation jet device, converting the supply gas flow to a pressurized agitation gas flow through the agitation outlet to agitate articles in the hopper chamber, wherein the agitation gas flow includes a supplemental gas flow that mixes with the supply gas flow, absorbs energy from the supply gas flow, and joins the supply gas flow to provide the agitation gas flow, the agitation gas flow having a second pressure less than the first pressure, a second velocity greater than the first velocity, and a second mass flow rate greater than the first mass flow rate; andconveying the articles through the dispensing channel along the flow path using the drive mechanism. 10. The method of claim 9 wherein the jet opening is an elongated slot. 11. The method of claim 9 wherein the agitation jet device includes a series of aligned jet openings. 12. The method of claim 9 wherein the drive mechanism includes a drive jet outlet in the housing, and including providing the supply gas flow from the gas source to the drive jet outlet to generate a pressurized drive jet gas flow through the drive jet outlet that conveys articles through the dispensing channel along the flow path. 13. The method of claim 12 including generating the drive jet gas flow and the agitation gas flow simultaneously. 14. The method of claim 12 including generating the drive jet gas flow and the agitation gas flow using the same gas source. 15. The method of claim 9 wherein the supplemental gas flow is drawn from the hopper chamber. 16. The method of claim 15 wherein the agitation gas flow consists essentially of the supply gas flow and the supplemental gas flow.
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