Design of Negative Pressure Spiral Feeding Device for Tangential and Longitudinal Axial Intersection of Combine Harvester

<div>Performance testing of the negative pressure spiral feeding device. (a) Top view of assembly results. (b) Inlet airflow test with AVM-05 tester. (c) Measuring point distribution.</div>

Advances in Materials Science and Engineering

fig4

Figure 4

Figure 4: Design of Negative Pressure Spiral Feeding Device for Tangential and Longitudinal Axial Intersection of Combine Harvester 