| CPC A01C 17/005 (2013.01) [A01C 17/001 (2013.01); A01C 17/008 (2013.01); B60L 15/20 (2013.01); B60L 50/66 (2019.02); A01C 7/085 (2013.01); E01H 10/007 (2013.01)] | 10 Claims |
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1. A spreader comprising:
a frame;
a hopper supported by the frame and configured to hold a particulate material;
an impeller rotatably connected below the hopper, the impeller being configured to receive the particulate material from the hopper and spread the particulate material over a surface;
a left wheel rotatably connected to the frame;
a right wheel rotatably connected to the frame and laterally spaced from the left wheel for traversing the surface;
a left electric hub motor at least partially positioned in the left wheel and configured to drivably engage the left wheel; and
a right electric hub motor at least partially positioned in the right wheel and configured to drivably engage the right wheel,
the left electric hub motor and the right electric hub motor being configured to drive the left wheel and right wheel independently so that differential rotor speeds between the left electric hub motor and right electric hub motor turn the spreader.
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8. A spreader comprising:
a frame;
a hopper supported by the frame and configured to hold a particulate material;
an impeller rotatably connected below the hopper, the impeller being configured to receive the particulate material from the hopper and spread the particulate material over a surface;
a wheel rotatably connected to the frame for traversing the surface;
an electric hub motor at least partially positioned in the wheel and configured to drivably engage the wheel;
a shut-off adjustment plate configured to meter the particulate material to the impeller according to a desired feed rate;
an electric motor configured to adjust a position or orientation of the shut-off adjustment plate; and
a sensor configured to detect a traversing speed of the spreader, the electric motor being configured to switch between selectively adjusting the position or orientation of the shut-off adjustment plate according to the traversing speed of the spreader as detected by the sensor and selectively adjusting the position or orientation of the shut-off adjustment plate according to a user command so that the feed rate is independent from a spread width of the impeller and a traversing speed of the spreader.
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9. A spreader comprising:
a frame;
a hopper supported by the frame and configured to hold a particulate material;
an impeller rotatably connected below the hopper, the impeller being configured to receive the particulate material from the hopper and spread the particulate material over a surface;
a wheel rotatably connected to the frame for traversing the surface;
an electric hub motor at least partially positioned in the wheel and configured to drivably engage the wheel;
a spread guard configured to shift horizontally to selectively obstruct particulate spreading of the impeller; and
an electric motor configured to activate the spread guard.
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10. A spreader comprising:
a frame;
a hopper supported by the frame and configured to hold a particulate material;
a left impeller rotatably connected below the hopper;
a right impeller rotatably connected below the hopper and laterally spaced from the left impeller,
the left impeller and the right impeller being configured to receive the particulate material from the hopper and spread the particulate material over a surface;
a left electric motor configured to rotate the left impeller;
a right electric motor configured to rotate the right impeller independently from the left impeller to effect left and right spread widths independent from each other;
a wheel rotatably connected to the frame for traversing the surface;
an electric hub motor at least partially positioned in the wheel and configured to drivably engage the wheel; and
a spread guard configured to selectively obstruct particulate spreading of the impeller.
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