发明授权
US09155242B2 Low torque and vacuum seed meter 有权
低扭矩和真空种子计

Low torque and vacuum seed meter
摘要:
A seed meter is provided for use with a row crop planter or seed planter that includes a seed disk assembly that rotates within a meter housing cavity and that has a seed disk assembly cavity in which a vacuum pressure is applied for pulling seeds into seed pockets of a seed disk of the seed disk assembly. The vacuum pressure is applied to the seed disk assembly by pulling a vacuum airflow through a collector of a spindle-mounted hub support that is fluidly connected through a face seal arrangement with a hub face of the seed disk assembly.
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