Metering device for flowable materials
AssigneeTransmatic Fyllan Limited
InventorDavid Alex Marks
Life of this patent
Estimating the term…
Abstract
A metering and dispensing device for flowable materials of the type in which material is caused to flow onto a metering element in such manner as to impose thereupon a force which is a function of the rate of mass flow of the material and by detecting a component of such force a signal representing the rate of mass flow is provided. A rotary element is provided upstream of the metering element from which material is centrifugally ejected to be intercepted by baffle means causing the material to flow by gravity onto the metering element. Such structure establishes the energy condition of the material prior to deposition upon the metering element and defines the path followed by material flowing to said element.
Claims6
A metering device for flowable materials comprising:
- an element mounted for rotation about a substantially vertical axis;
- means for supplying flowable material to said rotary element;
- tubular baffle means surrounding said rotary element;
- a convergent tubular metering element disposed beneath said baffle means;
- means for rotating said rotary element at such speed that flowable material supplied thereto is centrifugally ejected therefrom and intercepted by said baffle means;
- said baffle means and metering element being so disposed that substantially all of the material intercepted by the baffle means flows by gravity from its point of interception substantially vertically to the metering element and thereafter flows within the metering element, the material received by the metering element imposing thereupon a force which is a function of the rate of mass flow of the material;
- and
- said metering element being so configured that material can be received thereby from said baffle means around a continuous internal perimeter thereof;
- and
- means attached to said metering element externally thereof for supporting said element and detecting changes in at least a component of said force, thereby to provide a signal representing the rate of mass flow of material through the device.
Dependencies are inferred from the claim text.