Agricultural harvester cooler box with debris guard
A cooler box for an agricultural harvester includes: a frame including an opening; a screen held in the opening and including a plurality of screen apertures defining a screen aperture size; a cooling fan configured to produce an airstream that flows through a front of the screen; a wand assembly including a wand associated with the screen and a blower coupled to the wand, the wand assembly being configured to vacuum accumulated debris from the screen; and a debris guard covering the front of the screen and including a plurality of guard openings defining a guard opening size that is greater than the screen aperture size.
1. A cooler box for an agricultural harvester, comprising:
a frame comprising an opening;
a screen held in the opening and comprising a plurality of screen apertures defining a screen aperture size;
a cooling fan configured to produce an airstream that flows through a front of the screen;
a wand assembly comprising a wand associated with the screen and a blower coupled to the wand, the wand assembly being configured to vacuum accumulated debris from the screen; and
a debris guard covering the front of the screen and comprising a plurality of guard openings defining a guard opening size that is greater than the screen aperture size,
wherein the debris guard comprises a plurality of connected wires defining the plurality of guard openings therebetween.
2. The cooler box of claim 1 , wherein the wand is rotatable with respect to the screen.
3. The cooler box of claim 2 , wherein the screen is fixedly held in the opening.
4. The cooler box of claim 1 , wherein the debris guard is configured to prevent corn leaves from reaching the screen.
5. The cooler box of claim 1 , wherein the guard opening size is no greater than 25 mm in width or length.
6. The cooler box of claim 5 , wherein the screen and the debris guard define a separation distance therebetween that is between 15 and 35 centimeters.
7. The cooler box of claim 1 , wherein the debris guard comprises a front face, the plurality of guard openings occupying at least 90% of a surface area of the front face.
8. The cooler box of claim 1 , further comprising at least one cooling core held by the frame.
9. An agricultural harvester, comprising:
a chassis;
an engine carried by the chassis; and
a cooler box associated with the engine, the cooler box comprising:
a frame comprising an opening;
a screen held in the opening and comprising a plurality of screen apertures defining a screen aperture size;
a cooling fan configured to produce an airstream that flows through a front of the screen;
a wand assembly comprising a wand associated with the screen and a blower coupled to the wand, the wand assembly being configured to vacuum accumulated debris from the screen; and
a debris guard covering the front of the screen and comprising a plurality of guard openings defining a guard opening size that is greater than the screen aperture size,
wherein the debris guard comprises a plurality of connected wires defining the plurality of guard openings therebetween.
10. The agricultural harvester of claim 9 , wherein the wand is rotatable with respect to the screen.
11. The agricultural harvester of claim 10 , wherein the screen is fixedly held in the opening.
12. The agricultural harvester of claim 9 , wherein the debris guard is configured to prevent corn leaves from reaching the screen.
13. The agricultural harvester of claim 9 , wherein the guard opening size is no greater than 25 mm in width or length.
14. The agricultural harvester of claim 13 , wherein the screen and the debris guard define a separation distance therebetween that is between 15 and 35 centimeters.
15. The agricultural harvester of claim 9 , wherein the debris guard comprises a front face, the plurality of guard openings occupying at least 90% of a surface area of the front face.
16. The agricultural harvester of claim 9 , wherein the cooler box comprises at least one cooling core held by the frame.
17. The agricultural harvester of claim 9 , wherein the chassis defines a travel direction and the cooler box is disposed laterally to the engine, relative to the travel direction.
18. The agricultural harvester of claim 9 , wherein the debris guard is configured to allow accumulated debris to fall onto the ground due to gravity.