A structure equipped with a fuel cell system, wherein the structure comprises: a skirt configured to form an accumulation space between a bottom of the structure and the ground, an air supplier configured to supply off-gas, which is discharged from the fuel cell system, to at least one space selected from the group consisting of the accumulation space and an internal space of the skirt, and a pressure discharger configured to discharge pressure accumulated in the accumulation space to outside of the skirt from a lower end of the skirt, and wherein lift is imparted to the structure by supplying a predetermined amount of the off-gas from the air supplier to at least one space selected from the group consisting of the accumulation space and the internal space of the skirt.

The invention discloses a hovercraft using single ducted fan with vectoring propulsion, including a hull and a single ducted fan arranged on the hull, wherein the single ducted fan comprises barrel shaped shell and oar-blade component arranged in chamber of the shell, a first air outlet is disposed on one side of shell towards the tail end of the hull, diversion rudders enabling to block the first air outlet are disposed on the shell, two first air guide all connected with chamber of the shell is disposed on both sides of the shell, a second air outlet towards external of the single ducted fan is disposed on the first air guide, and the second air outlet and the first air outlet are arranged in reverse or with an included angle greater than 0 degree.

The invention discloses a hovercraft using single ducted fan with vectoring propulsion, including a hull and a single ducted fan arranged on the hull, wherein the single ducted fan comprises barrel shaped shell and oar-blade component arranged in chamber of the shell, a first air outlet is disposed on one side of shell towards the tail end of the hull, diversion rudders enabling to block the first air outlet are disposed on the shell, two first air guide all connected with chamber of the shell is disposed on both sides of the shell, a second air outlet towards external of the single ducted fan is disposed on the first air guide, and the second air outlet and the first air outlet are arranged in reverse or with an included angle greater than 0 degree.

A levitation device includes a body having a top surface and a bottom surface positioned opposite the top surface, an air reservoir configured to contain a predetermined volume of compressed air, and a thrust arrangement including a flow conduit having a primary inlet, a secondary inlet, and an outlet, with the outlet positioned adjacent to the bottom surface of the body. The secondary inlet is in fluid communication with ambient air and the primary inlet is in fluid communication with the air reservoir and positioned upstream from the secondary inlet and the outlet.

The present invention relates to flying scooter comprising a base made of fibreglass, 20 fans with 20 motors connected to a power system with components comprising capacitors, batteries, photovoltaic solar cells, an oxygen generator, a regulator, electronic sensors, and electronic chips. The scooter has a circular front part that includes a display that gives operational levels of the components, and the base has a cavity for the passenger's legs, and a rubber strap for securing the passenger. Manual controls are provided as well as a grip for the controls. The controls are connected to the sensors and electronic chips wirelessly.

The present invention relates to flying scooter comprising a base made of fibreglass, 20 fans with 20 motors connected to a power system with components comprising capacitors, batteries, photovoltaic solar cells, an oxygen generator, a regulator, electronic sensors, and electronic chips. The scooter has a circular front part that includes a display that gives operational levels of the components, and the base has a cavity for the passenger's legs, and a rubber strap for securing the passenger. Manual controls are provided as well as a grip for the controls. The controls are connected to the sensors and electronic chips wirelessly.

A technician's work chair includes a frame, first, second and third air cushion devices, a seat assembly and an electronic task guiding system. The seal assembly has a cushion portion and a seatback portion. The cushion portion is supported to the seat supporting portion of the frame. The seatback portion has an inclination adjusting mechanism operable to change an angle of inclination of the seatback portion relative to the frame. The electronic task guiding system is supported to the frame, the electronic task guiding system being configured to provide the technician with task related signals.

A method for levitation includes flowing a source gas through an orifice to produce a Venturi effect as the source gas exits an outlet, entraining a secondary gas comprising ambient air, creating a pressure decrease at a secondary inlet of the secondary gas, mixing the source gas and the secondary gas to form a tertiary gas mixture, with the tertiary gas mixture including the source gas and the secondary gas, and with the source gas and the secondary gas mixed in a flow conduit having a constricted section of decreasing diameter and increasing diameter, flowing the tertiary gas mixture through an outlet, creating a pressure increase at the outlet, and inducing levitation through creation of a pressure decrease at the secondary inlet of the secondary gas and a pressure increase at the outlet of the tertiary gas mixture.

A method for levitation includes flowing a source gas through an orifice to produce a Venturi effect as the source gas exits an outlet, entraining a secondary gas comprising ambient air, creating a pressure decrease at a secondary inlet of the secondary gas, mixing the source gas and the secondary gas to form a tertiary gas mixture, with the tertiary gas mixture including the source gas and the secondary gas, and with the source gas and the secondary gas mixed in a flow conduit having a constricted section of decreasing diameter and increasing diameter, flowing the tertiary gas mixture through an outlet, creating a pressure increase at the outlet, and inducing levitation through creation of a pressure decrease at the secondary inlet of the secondary gas and a pressure increase at the outlet of the tertiary gas mixture.

The present invention relates to a traction device using a drone and, more specifically, to a traction device using a drone, the device being capable of towing, along the progressing direction of a drone and by the thrust of the drone, an operator operating a drone and a carrier on which the operator rides. The traction device using a drone, of the present invention, can be applied to a moving means and leisure activities by allowing a user operating a drone to move in a flying direction of the drone, thereby enabling utilization of the drone to increase. In addition, the traction device using a drone of the present invention has an ascending and descending operation unit and a forward and backward operation unit, which are respectively formed as a rotational type, such as that of a knob dial, so as to facilitate maintenance of a constant altitude and a constant speed of the drone.