Abstract: Provided is an airflow control system for controlling airflow flowing over an upper surface of an aircraft. The airflow control system includes: a blowout port that is provided on a forward side of the upper surface of the aircraft to blow out the airflow; a suction port that is provided closer to the forward side than the blowout port to suck outside air; a fan that is provided on a rearward side of the blowout port to suck air flowing from a forward side and to discharge the air to a rearward side; and a compressor that is provided in a channel extending from the suction port to the blowout port to increase pressure of the outside air sucked from the suction port and to pressure-feed the resulting outside air to the blowout port.

Abstract: A gas turbine system includes: a compressor configured to compress external air to generate compressed air; a combustor configured to burn the compressed air together with fuel to generate a combustion gas; a turbine configured to be driven by the combustion gas; an exhaust unit configured to guide the combustion gas, which has passed through the turbine, to outside; a shell having a cylindrical shape and extending along an axis line about which the turbine is configured to rotate and being arranged so as to cover the compressor, the combustor, the turbine, and the exhaust unit; and an exit unit configured to guide the combustion gas, which has passed through the turbine, to a discharge port in the surface of the shell.

Abstract: Provided is a gas turbine system that is used for a moving body including a thrust generator configured to generate thrust from electric power and includes: a combustor that burns a compressed air generated by a compressor together with fuel to generate a combustion gas; a turbine driven by the combustion gas generated by the combustor; a generator that is coupled to the turbine to generate electric power by driving of the turbine and supplies electric power to the thrust generator; a turbocharger that guides external air to the compressor; and an exhaust unit that guides a combustion gas that passed through the turbine to the outside, and the turbocharger is driven by a part of a combustion gas guided to the exhaust unit or by external air heated by heat exchange with a part of a combustion gas guided to the exhaust unit.

Abstract: A fan device includes: a fan including a plurality of blades each extending in a radial direction relative to a rotation axis, the fan being configured to rotate about the rotation axis and generate an airflow; a rotor core provided outside in the radial direction of the fan; a stator core provided at a position facing the rotor core in the radial direction; a housing that forms an inner circumferential surface surrounding the fan about the rotation axis and that internally includes an accommodation space accommodating the rotor core and the stator core; and a compressor configured to compress air. The inner circumferential surface of the housing has a cylindrical surface and a nozzle surface whose diameter expands outward in the radial direction along the rotation axis in downstream in a flow direction of an airflow relative to the cylindrical surface.

Abstract: Provided is a gas turbine system that is used for a moving body including a thrust generator configured to generate thrust from electric power and includes: a compressor that compresses external air to generate compressed air; a combustor that burns the compressed air generated by the compressor together with fuel to generate a combustion gas; a turbine driven by the combustion gas generated by the combustor; a first generator that is coupled to the turbine to generate electric power by driving of the turbine and supplies electric power to the thrust generator; and a second generator that is arranged downstream of the turbine in a flow direction of a combustion gas and converts kinetic energy and/or thermal energy of a combustion gas that passed through the turbine into electric power.

Abstract: A propulsion device includes: a duct in which a flow path extending in a direction of an axis; a fan which is provided with a) an outer peripheral ring formed in an annular shape surrounding the axis and installed to be relatively rotatable around the axis with respect to the duct, b) a plurality of fan blades arranged at intervals in a circumferential direction such that each blade is extended from the outer peripheral ring toward the inside of the flow path, and c) an inner peripheral ring formed in an annular shape being connected radially inner end portions of the plurality of fan blades and in which an air flow passage is formed so that air flows therethrough in the direction of the axis; and a motor which drives the fan to rotate around the axis.

Abstract: A ducted fan includes a fan and a cowl having a cylindrical shape and including an introduction port configured to introduce air from a first end portion side. The fan includes a compressor blade provided on an outer circumferential side and a thrust blade provided on an inner circumferential side of the compressor blade. The cowl includes a housing portion configured to accommodate the compressor blade in an interior thereof, an outlet configured to allow air flowing through the housing portion to be blown therethrough by the compressor blade, and an inlet configured to suck air blown out. The outlet is provided inwards in a radial direction of the cowl and near the introduction port of the cowl, and the inlet is provided inwards in the radial direction of the cowl and between the outlet and the compressor blade in an axial line direction.

Abstract: A braking force generation device has: a first mode in which a deflector and a blocker door are retracted with respect to a wing; a third mode in which, while the leading edge and the trailing edge of the deflector are separated from the wing and the blocker door is retracted, a second flow path is formed in which fluid flows via a fan from an opening on the leading edge side of the deflector to an opening on the trailing edge side; and a second mode in which, while the leading edge of the deflector is separated from the wing with the trailing edge being close to the wing and the blocker door is deployed, a first flow path is formed in which fluid flows via the fan from an opening on the blocker door side to the opening on the leading edge side of the deflector.

Abstract: A cross flow fan includes a plurality of vanes arranged around a rotation axis at predetermined intervals in the circumferential direction, a tongue section arranged on the outer circumferential side of the vanes, and jetting sections that jet a fluid along the wall surfaces of a discharge path into which the fluid is discharged from each of the vanes. A facing wall section is provided to a position facing the tongue section with the vanes therebetween. The facing wall section is provided with: an upstream wall section configured so as to be equivalent to the radius of curvature in the outer circumference of a path formed when the vanes rotate; a downstream wall section that is connected to the upstream wall section and in which the radius of curvature gradually becomes larger than that of the upstream wall section; and a diffuser wall section connected to the downstream wall section.

Abstract: An electrically driven actuator includes a vibration damping device; and an electrically driven unit operated by using electricity. The vibration damping device includes a vibration absorbing unit provided between a first support and a second support provided to face the first support, and expanding and contracting by using electricity, a measurement unit that measures vibrations of the second support, and a control unit that electrically controls the vibration absorbing unit to cancel the vibrations of the second support which are measured by the measurement unit. The electrically driven unit includes a housing provided on a fixed side, a shaft movable in an axial direction which is a direction toward a movable side opposite to the fixed side with respect to the housing, and a drive unit provided between the housing and the shaft, and driving the shaft with respect to the housing.

Abstract: Provided is a gas turbine system including: a compressor that compresses external air to generate compressed air; a combustor that burns the compressed air generated by the compressor together with fuel to generate a combustion gas; a turbine driven by the combustion gas generated by the combustor; an exhaust unit that guides a combustion gas that has passed through the turbine to outside; a nacelle formed in a cylindrical shape and extending along an axis line about which the turbine rotates and arranged so as to cover the compressor, the combustor, the turbine, and the exhaust unit; and an exit unit that guides the combustion gas, which passed through the turbine, to a discharge port provided in the surface of the nacelle.

Abstract: Provided is a gas turbine system that is used for a moving body including a thrust generator configured to generate thrust from electric power and includes: a compressor that compresses external air to generate compressed air; a combustor that burns the compressed air generated by the compressor together with fuel to generate a combustion gas; a turbine driven by the combustion gas generated by the combustor; a first generator that is coupled to the turbine to generate electric power by driving of the turbine and supplies electric power to the thrust generator; and a second generator that is arranged downstream of the turbine in a flow direction of a combustion gas and converts kinetic energy and/or thermal energy of a combustion gas that passed through the turbine into electric power.

Abstract: Provided is a gas turbine system that is used for a moving body including a thrust generator configured to generate thrust from electric power and includes: a combustor that burns a compressed air generated by a compressor together with fuel to generate a combustion gas; a turbine driven by the combustion gas generated by the combustor; a generator that is coupled to the turbine to generate electric power by driving of the turbine and supplies electric power to the thrust generator; a turbofan that guides external air to the compressor; and an exhaust unit that guides a combustion gas that passed through the turbine to the outside, and the turbofan is driven by a part of a combustion gas guided to the exhaust unit or by external air heated by heat exchange with a part of a combustion gas guided to the exhaust unit.

Abstract: A propulsion device includes: a duct in which a flow path extending in a direction of an axis; a fan which is provided with a) an outer peripheral ring formed in an annular shape surrounding the axis and installed to be relatively rotatable around the axis with respect to the duct, b) a plurality of fan blades arranged at intervals in a circumferential direction such that each blade is extended from the outer peripheral ring toward the inside of the flow path, and c) an inner peripheral ring formed in an annular shape being connected radially inner end portions of the plurality of fan blades and in which an air flow passage is formed so that air flows therethrough in the direction of the axis; and a motor which drives the fan to rotate around the axis.

Abstract: A fluid adjustment device is provided with: a body part mounted on a wing tip, which is an end part of a main wing on the opposite side to the wing root, and having an upper opening and a lower opening formed in an upper surface of the body part and a lower surface of the body part; a first Francis turbine that sucks air from the upper opening and the lower opening and discharges the sucked air from the trailing edge side of the main wing; and a first motor for rotating the first Francis turbine in a direction opposite to a rotation direction of a wingtip vortex generated at the wingtip. The first Francis turbine has a central axis extending from the leading edge of the main wing toward the trailing edge, sucks air from the circumferential direction, and discharges the sucked air in the axial direction.

Abstract: An electrically driven actuator includes a vibration damping device; and an electrically driven unit operated by using electricity. The vibration damping device includes a vibration absorbing unit provided between a first support and a second support provided to face the first support, and expanding and contracting by using electricity, a measurement unit that measures vibrations of the second support, and a control unit that electrically controls the vibration absorbing unit to cancel the vibrations of the second support which are measured by the measurement unit. The electrically driven unit includes a housing provided on a fixed side, a shaft movable in an axial direction which is a direction toward a movable side opposite to the fixed side with respect to the housing, and a drive unit provided between the housing and the shaft, and driving the shaft with respect to the housing.

Abstract: A ducted fan device includes, a plurality of fan devices, each including a fan configured to rotate about an axis to generate an air flow, and a small duct having a cylindrical shape surrounding the fan about the axis and extending in a direction of the axis, and a large duct having a tubular shape surrounding all of the fan devices. The plurality of fan devices includes a central fan device, and a plurality of peripheral fan devices disposed at an outer peripheral of the small duct included in the central fan device.

Abstract: A ducted fan includes a fan and a cowl having a cylindrical shape and including an introduction port configured to introduce air from a first end portion side. The fan includes a compressor blade provided on an outer circumferential side and a thrust blade provided on an inner circumferential side of the compressor blade. The cowl includes a housing portion configured to accommodate the compressor blade in an interior thereof, an outlet configured to allow air flowing through the housing portion to be blown therethrough by the compressor blade, and an inlet configured to suck air blown out. The outlet is provided inwards in a radial direction of the cowl and near the introduction port of the cowl, and the inlet is provided inwards in the radial direction of the cowl and between the outlet and the compressor blade in an axial line direction.

Abstract: The present invention suppresses an increase in pressure of internally contained lubricating oil and reduces leakage of the lubricating oil. This actuator is provided with: an accumulator which has a gas compartment at the top filled with gas, and in which a lubricating oil is contained under the gas compartment; a housing internally provided with the accumulator; a shaft of which one end side is contained in the housing and another end side is disposed outside the housing, and which is moveable in an axial direction; and an oil seal disposed between a first opening portion which is formed in the accumulator and through which the shaft penetrates, and the shaft. The housing has formed therein a pipe channel providing communication between a space on the side opposite to the inner side of the accumulator with respect to the oil seal and the gas compartment of the accumulator.

Abstract: An actuator with which fixation of a sliding surface is unlikely to occur and a desired operation can be reliably performed. An actuator includes a housing, a shaft having one end side accommodated in the housing, having the other end side installed outside the housing, and movable along an axial direction, a polymer material actuator, accommodated in the housing, having one end connected to an inside of the housing, having the other end connected to the shaft, and extended and contracted by voltage application, and a movement adjustment unit adjusting a movement of the shaft in accordance with a position of the shaft. The movement adjustment unit has an electric motor installed in the housing, a cam connected to the electric motor and rotating by a drive force of the electric motor, and a cam follower provided on the shaft and abutting against the cam.