# US 11,891,186 B2 · Air mobility vehicle with a cooling air intake flap positioned below a rotary wing > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,891,186 B2 - Document ID: US11891186B2 - Status: Granted - Kind: B2 - Application number: 17/376,674 - Filed: 2021-07-15 - Published: 2022-06-23 - Granted: 2024-02-06 - Earliest claimed: 2020-12-22 - Assignees: Hyundai Motor Company; Kia Corporation - Applicants: Hyundai Motor Company; Kia Corporation - Inventors: Sang Hyun Jung; Jae Young Choi; Hee Kwang Lee; Chung Sik Yim; Kyu Hoon Cho - Web page: https://patentgrep.com/patent/US11891186B2 ## CPC - B64D 33/08: of power plant cooling systems - B64C 27/26: characterised by provision of fixed wings - B64C 29/0016: {the lift during taking-off being created by free or ducted propellers or by blowers} - B64D 27/31: within, or attached to, wings - B64D 27/34: All-electric aircraft - B64D 27/357: using batteries - B64D 31/16: for electric power plants - B64C 27/24: with rotor blades fixed in flight to act as lifting surfaces - B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT - B64C: AEROPLANES; HELICOPTERS ## Abstract An air mobility vehicle may include air flaps located under a mounting position of each of rotary wings and rotatably mounted inside openings to guide a flow direction of air flowing to a region under each of the rotary wings or air flowing above the openings to inside of the air mobility vehicle, an actuator coupled to the air flaps and configured to rotate the air flaps to direct the air having passed through the air flaps to a motor, an inverter, or the motor and the inverter of each of the rotary wings, or batteries, and a controller electrically connected to the actuator and configured to control a flow of the air having passed through the air flaps by controlling the actuator depending on a driving state of the air mobility vehicle or temperatures of the motor and the inverter of each of the rotary wings or a temperature of the batteries. ## Claims ### Claim 1 An air mobility vehicle with a cooling air system, the air mobility vehicle comprising: rotary wings mounted on an outside of the air mobility vehicle; a motor disposed at an inside of the air mobility vehicle; an inverter disposed at the inside of the air mobility vehicle; at least a battery disposed at the inside of the air mobility vehicle; at least an air flap located under a mounting position of each of the rotary wings and rotatably mounted inside at least an opening provided in the air mobility vehicle to guide a flow direction of air flowing to a region under each of the rotary wings to the inside of the air mobility vehicle; an actuator coupled to the at least an air flap and configured to rotate the at least an air flap to selectively guide the air having passed through the at least an air flap to the motor and the inverter, or to the at least a battery; and a controller electrically connected to the actuator and configured to control a flow of the air having passed through the at least an air flap by controlling the actuator according to a driving state of the air mobility vehicle or temperatures of the motor, the inverter, and the at least a battery. ### Claim 2 (depends on 1) The air mobility vehicle according to claim 1, wherein the actuator includes: a driving device having a rotation shaft; and a connection link having a first end portion rotatably connected to the rotation shaft of the driving device and a second end portion connected to the at least an air flap to rotate the at least an air flap according to rotation of the driving device. ### Claim 3 (depends on 2) The air mobility vehicle according to claim 2, wherein the rotation shaft of the driving device includes a slot into which the first end portion of the connection link is slidably coupled. ### Claim 4 (depends on 1) The air mobility vehicle according to claim 1, wherein the rotary wings are mounted on booms of the air mobility vehicle so that the motor and the inverter of each of the rotary wings is located inside a corresponding boom, and the at least a battery is mounted in a fixed wing of the air mobility vehicle; and wherein the at least an air flap is mounted on the booms and rotated by operation of the actuator to guide the air flowing to the region under each of the rotary wings to an inside of the boom or to an inside of the fixed wing via the inside of the boom. ### Claim 5 (depends on 4) The air mobility vehicle according to claim 4, wherein, when the at least an air flap is rotated toward the rotary wings in a first direction, the air flowing to the region under each of the rotary wings passes through the at least an air flap and flows to the inside of the booms to cool the motor and the inverter. ### Claim 6 (depends on 4) The air mobility vehicle according to claim 4, wherein when the at least an air flap is rotated in a second direction opposite to the first direction of the rotary wings, the air flowing in the region in a front of the at least an air flap passes through the at least an air flap and flows to the inside of the fixed wing via the inside of the booms to cool the at least a battery. ### Claim 7 (depends on 1) The air mobility vehicle according to claim 1, further including: an air flow path guiding the air having passed through the at least an air flap to the at least a battery; and outlets discharging the air flowing through the at least an air flap to an outside of the air mobility vehicle after cooling the motor, the inverter, or the motor and the inverter, or the at least a battery. ### Claim 8 (depends on 7) The air mobility vehicle according to claim 7, wherein the at least a battery is mounted in a fixed wing of the air mobility vehicle, and wherein one of the outlets is formed on a surface of the fixed wing, and wherein the one of the outlets is connected to the air flow path. ### Claim 9 (depends on 1) The air mobility vehicle according to claim 1, wherein the at least an air flap in an initial state covers the at least an opening to prevent the air flowing to the region under each of the rotary wings from flowing to the inside of the air mobility vehicle through the at least an opening. ### Claim 10 (depends on 1) The air mobility vehicle according to claim 1, further including: a first temperature sensor engaged to the controller and configured to measure temperatures of the motor and the inverter; and a second temperature sensor engaged to the controller and configured to measure a temperature of the at least a battery, wherein the controller is configured to control the actuator according to the temperatures measured by the first temperature sensor or the temperature measured by the second temperature sensor. ### Claim 11 (depends on 10) The air mobility vehicle according to claim 10, wherein the controller is configured to control the actuator so that the air flowing to the region under each of the rotary wings or an air flowing in a front of the at least an air flap is guided to the motor and the inverter by the at least an air flap when the temperatures measured by the first temperature sensor are equal to or higher than a first temperature. ### Claim 12 (depends on 10) The air mobility vehicle according to claim 10, wherein the controller is configured to control the actuator so that the air flowing in the region in a front of the at least an air flap is guided to the at least a battery by the at least an air flap when the temperature measured by the second temperature sensor is equal to or greater than a second temperature. ### Claim 13 (depends on 10) The air mobility vehicle according to claim 10, wherein the controller is configured to control the actuator so that the at least an air flap covers the at least an opening when the temperatures measured by the first temperature sensor and the temperature measured by the second temperature sensor are equal to or lower than a predetermined third temperature. ### Claim 14 (depends on 1) The air mobility vehicle according to claim 1, wherein the controller is configured to control the actuator so that the air flowing to the region under each of the rotary wings is guided to the motor and the inverter by the at least an air flap when the air mobility vehicle vertically takes off or lands. ### Claim 15 (depends on 1) The air mobility vehicle according to claim 1, wherein the controller is configured to control the actuator so that the air flowing in the region in a front of the at least an air flap is guided to the at least a battery by the at least an air flap when the air mobility vehicle cruises. ### Claim 16 (depends on 1) The air mobility vehicle according to claim 1, wherein the controller is configured to control the actuator so that the at least an air flap covers the at least an opening when the air mobility vehicle cruises. ### Claim 17 (depends on 1) The air mobility vehicle according to claim 1, wherein the at least an air flap is provided in plural, and the actuator is connected to the at least an air flap to rotate the at least an air flap simultaneously. ### Claim 18 (depends on 1) The air mobility vehicle according to claim 1, wherein the rotary wings are mounted on booms of the air mobility vehicle, and wherein the booms include an air discharge vent to fluidically communicate with the at least an opening.