US Patent 11745894 Vehicle refueling and recharging

A refueling system has a vehicle having a fuel tank connected to a deployable fuel hose, an end effector having controlled flight, the fuel hose connected at an end away from the first vehicle, through the end effector to a fuel connector under the end effector, a second vehicle having a fuel tank coupled through a pumping apparatus to a fueling port on an acquisition apparatus adapted to acquire the end effector and connect the fueling port and the fuel connector of the end effector, and control circuitry enabling controlled flight of the end effector, wherein the end effector is controlled to be acquired by the acquisition apparatus to couple the fuel connector with the fueling port and fuel is provided from the fuel tank of one of the vehicles to the fuel tank of the other of the vehicles through the pumping apparatus.