US Patent 10954117 Mobile distribution station having pneumatic valves

A distribution station includes a plurality of pneumatic valves on a mobile structure. Each pneumatic valve is situated between a manifold and a reel of a plurality of reels. A plurality of secondary valves are connected by an air or gas line to corresponding ones of the pneumatic valves. Each secondary valve is operable between open and closed positions to permit air or gas flow to the corresponding pneumatic valve to open and close the pneumatic valve. A controller is configured to individually open and close the secondary valves responsive to fluid level sensors.