Dispensing – With gas agitation
Patent
1971-08-16
1976-05-11
Reeves, Robert B.
Dispensing
With gas agitation
B65G 312
Patent
active
039557170
ABSTRACT:
Fluid jetting techniques are applied to the prevention of arches and plugs in archable materials which are flowed through containers and conduits. The fluid jetting technique involves the separation of particles in a manner which will minimize the development of forces between particles, so as to avoid the keying action necessary to arch formation which impedes flow of such materials. The applied fluid forms at least part of the medium within which the particles are maintained; however, the ultimate direction of flow of the material need not be limited to the direction of flow of the applied fluid. Outside forces may also be applied to the particles, such as gravity, which may affect the direction of flow resulting. The direction of application of the fluid jetting system is best when it is aimed at the location of arching to insure the breakdown of the arch as it may form; however, it is also beneficial to direct the fluid jet substantially in the direction of the desired flow of material from the system. Where the point or area of arch formation is at more than one probable location, more than one jet may be applied to insure continuity of flow. More than one type of fluid can be utilized in the jetting system, where specific chemical reactions are desired, or where a specific mixture of the flowed material and jetting fluid is necessary at the point of placement. Apparatus to effect the flow of material by jetting techniques involves the development of a chamber which will maintain sufficient fluid pressure so as to insure that the flow of material occurs in the desired direction. A portal, or means for introducing the material to be flowed, is provided as are the means for maintaining the system tight to permit the proper action of the jetting fluid. Means may also be provided for rotating the apparatus, should such be a requirement.
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Reeves Robert B.
Stack, Jr. Norman L.
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