CPC F04D 15/0066 (2013.01) [A01C 15/04 (2013.01); A01C 21/005 (2013.01); A01C 23/007 (2013.01); F04D 13/046 (2013.01)] | 11 Claims |
1. A system for distributing particulate material from an agricultural machine, the system comprising:
a fan configured to provide an airflow in a supply line for distributing particulate material;
a hydraulic system configured to drive the fan at a plurality of fan speeds, the hydraulic system comprising:
a hydrostatic drive arrangement including a variable axial piston pump; and
a control system configured to control the hydraulic system, the control system executing a program stored in a non-transient medium operable to:
determine a given product application rate for distributing the particulate material;
determine a given ground speed of the agricultural machine;
determine a fan speed for achieving the given product application rate at the given ground speed; and
control the hydraulic system to drive the fan at the fan speed.
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