Spreader or sprayer and control system therefore
AssigneeDouglas Dynamics, L.L.C.
InventorsBob W. Iverson, Jeffery Scott De Ruyter, Tucker Evans Hill, Andrew Joseph Janowicz, Jason Nathanael Sievert
Life of this patent
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Abstract
A vehicle mounted sprayer for spreading liquid treatment material for treatment or pre-treatment of road surfaces comprises a plurality of tanks for containing main brine material to be spread, a hot mix tank supplying hot mix, a mix valve for mixing the main brine and hot mix, pumps for controllably delivering main brine and hot mix to the mix valve, and a flow sensor for measuring the flow rate of liquid treatment material. A controller determines the intended density and flow rate of liquid based on sensor inputs.
Claims11
A vehicle mounted sprayer system for spreading liquid material, comprising:
- one or more liquid sprayers,
- a main brine liquid tank,
- a first pump pumping brine from the main brine liquid tank,
- a hot mix tank,
- a second pump pumping hot mix from the hot mix tank,
- a mix valve, coupled to the first and second pumps and the one or more liquid sprayers, and combining brine and hot mix for delivery to the one or more liquid sprayers,
- a controller coupled to the first and second pumps and controlling and measuring an amount of combined brine and hot mix delivered to the one or more liquid sprayers.
Dependencies are inferred from the claim text.