THROTTLE DEVICE

Abstract: a doser apparatus includes a throttle device on a doser mechanism. the throttle device includes a vibratory hopper and a vibration device. the vibratory hopper is configured to hold a granular material within a vibratory hopper conduit that tapers towards a bottom opening and is configured to induce bridging of the granular material at the bottom opening. the vibration device is configured to break the bridging of the granular material at the bottom opening to induce flow of the granular material through the bottom opening to a doser reservoir of the doser mechanism, based on inducing vibration of the vibratory hopper. the throttle device is configured to control a head pressure of the granular material at a portion of a conveyor device of the doser mechanism extending into the doser reservoir based on operating the vibration device to adjustably control the flow of granular material through the bottom opening.

Inventor(s): Henry CHANG, Dwight David WILLIAMS, Travis Martin GARTHAFFNER

CPC Classification: B65D88/66 (using vibrating or knocking devices)

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