Abstract: An aero wind power generation device may include a drone unit including drone wings configured to make the aero wind power generation device move and hover and a sensor unit configured to detect information for controlling the aero wind power generation device; a buoyancy generation unit including a side cover configured to open or close, a balloon disposed inside the side cover and configured to receive gas therein or release the gas therefrom, and a wire configured to surround the balloon; and a power generation unit including a rotating unit with a plurality of blades, a blade control unit of adjusting a state of the blades, and a motor unit of converting kinetic energy transferred from the rotating unit into electrical energy.

Abstract: A roof-type air conditioner for vehicles may include an evaporator to discharge cold air to the internal of a vehicle, and a conveying unit to move the evaporator in a longitudinal direction of the vehicle on a ceiling of the vehicle such that the evaporator is disposed to the ceiling of the internal of the vehicle and positioned to a region required for cooling.

Abstract: A roof-type air conditioner for vehicles may include an evaporator to discharge cold air to the internal of a vehicle, and a conveying unit to move the evaporator in a longitudinal direction of the vehicle on a ceiling of the vehicle such that the evaporator is disposed to the ceiling of the internal of the vehicle and positioned to a region required for cooling.

Abstract: This invention relates to a polyamide resin composition and more particularly, to a polyamide resin composition exhibiting better improved mechanical strength and gasoline-resisting property under thermally severe conditions, when a specifically formulated polyamide resin complex comprising a glassfiber whose surface is treated with coupling agent and organic nucleic agent in the form of phosphoric acid-metal salt, is applied to some automobile parts such as a delivery pipe, being directly contacted with gasoline, automobile fuel.