US Patent 10150662 Mobile distribution station with additive injector

A distribution station includes a mobile trailer and a delivery system. The delivery system includes a pump, a manifold fluidly connected with the pump, reels, hoses, valves situated between the manifold and a respective different one of the hoses, and fluid level sensors. There is also an additive injector fluidly connected with the delivery system and operable to introduce controlled amounts of an additive into the delivery system.