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公开(公告)号:US11623418B2
公开(公告)日:2023-04-11
申请号:US16504720
申请日:2019-07-08
Applicant: The Aurora Flight Sciences Corporation
Inventor: Chathuranga Kuruppuarachchige , Edward Albert Wen , Josiah Hughes , Michelle Mahon
IPC: B29C70/54 , B29C73/34 , B29C35/02 , B64F5/10 , B29K307/04 , B29L31/30 , B29K101/10 , B29K105/08
Abstract: Systems and methods are provided for curing a composite part. The method includes the steps of: disposing a heat blanket at a composite material; applying, with a controller, power to heaters distributed across multiple cells of a heat blanket to heat the composite material at the heat blanket; monitoring, with the controller, a temperature of the composite material at each of the multiple cells via thermocouples distributed across the multiple cells; and individually adjusting, with the controller, an amount of power applied to the heaters, for each of the multiple cells, in response to the monitored temperature and a target temperature.
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公开(公告)号:US11254425B2
公开(公告)日:2022-02-22
申请号:US16595169
申请日:2019-10-07
Applicant: The Aurora Flight Sciences Corporation
Inventor: William Thalheimer , Andrew Mark Heafitz
IPC: B64C27/30 , B64C27/54 , B64C27/467 , B64C27/10
Abstract: Rotor assemblies for aircraft are described that include a plurality of blades that are disposed vertically on a common axis along different horizontal planes. When the rotor assemblies are free-wheeling, the blades form a vertically stacked configuration, and when the rotor assembly is driven in rotation to generate lift, the blades bloom out from the vertically stacked configuration. At least one of the blades in the rotor assembly has a blade geometry that is different with respect to other blades such that when the blades are vertically stacked and free-wheeling, the collective shape of the blades is aerodynamic in shape, based on the different blade geometry, that reduces aerodynamic drag on the rotor assembly.
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公开(公告)号:US20210036580A1
公开(公告)日:2021-02-04
申请号:US16524895
申请日:2019-07-29
Inventor: Daniel B. Cottrell
Abstract: Propulsors (e.g., an electric motor mechanically coupled to a rotor) are described that passively cool the electric motors via an airflow path through the electric motor and out of the rotors. One embodiment comprises a method of cooling an electric motor. The method comprises operating the electric motor of a propulsor for an aircraft to rotate a rotor of the propulsor, where the rotor has one or more air outlets, and where the electric motor has a housing that includes one or more air inlets in fluid communication with the one or more air inlets. The method further comprises generating, by rotating the rotor using the electric motor, an airflow through the electric motor from the one or more air inlets to the one or more air outlets to cool the electric motor.
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公开(公告)号:US11305872B2
公开(公告)日:2022-04-19
申请号:US16524547
申请日:2019-07-29
Applicant: The Aurora Flight Sciences Corporation
Inventor: Olivier Cornes
Abstract: Retractable propulsor assemblies for aircraft are described that generate lift during vertical take-off, hover, and vertical landing. The retractable propulsor assemblies are deployed from a compartment in a fuselage of the aircraft to transition the aircraft into vertical flight, and are stowed in the compartment during cruise flight to reduce aerodynamic drag on the aircraft. One embodiment comprises a method of operating a VTOL aircraft. The method comprises deploying the retractable propulsor assembly from the compartment of the fuselage to provide the lift for vertical flight. The method further comprises transitioning the VTOL aircraft from the vertical flight to cruise flight, and stowing the retractable propulsor assembly in the compartment during the cruise flight to reduce the aerodynamic drag on the VTOL aircraft.
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公开(公告)号:US11258333B2
公开(公告)日:2022-02-22
申请号:US16524895
申请日:2019-07-29
Inventor: Daniel B. Cottrell
Abstract: Propulsors (e.g., an electric motor mechanically coupled to a rotor) are described that passively cool the electric motors via an airflow path through the electric motor and out of the rotors. One embodiment comprises a method of cooling an electric motor. The method comprises operating the electric motor of a propulsor for an aircraft to rotate a rotor of the propulsor, where the rotor has one or more air outlets, and where the electric motor has a housing that includes one or more air inlets in fluid communication with the one or more air inlets. The method further comprises generating, by rotating the rotor using the electric motor, an airflow through the electric motor from the one or more air inlets to the one or more air outlets to cool the electric motor.
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公开(公告)号:US20210101677A1
公开(公告)日:2021-04-08
申请号:US16595169
申请日:2019-10-07
Inventor: William Thalheimer , Andrew Mark Heafitz
IPC: B64C27/54 , F01D5/02 , B64C27/10 , B64C27/467
Abstract: Rotor assemblies for aircraft are described that include a plurality of blades that are disposed vertically on a common axis along different horizontal planes. When the rotor assemblies are free-wheeling, the blades form a vertically stacked configuration, and when the rotor assembly is driven in rotation to generate lift, the blades bloom out from the vertically stacked configuration. At least one of the blades in the rotor assembly has a blade geometry that is different with respect to other blades such that when the blades are vertically stacked and free-wheeling, the collective shape of the blades is aerodynamic in shape, based on the different blade geometry, that reduces aerodynamic drag on the rotor assembly.
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公开(公告)号:US20210031910A1
公开(公告)日:2021-02-04
申请号:US16524547
申请日:2019-07-29
Inventor: Olivier Cornes
Abstract: Retractable propulsor assemblies for aircraft are described that generate lift during vertical take-off, hover, and vertical landing. The retractable propulsor assemblies are deployed from a compartment in a fuselage of the aircraft to transition the aircraft into vertical flight, and are stowed in the compartment during cruise flight to reduce aerodynamic drag on the aircraft. One embodiment comprises a method of operating a VTOL aircraft. The method comprises deploying the retractable propulsor assembly from the compartment of the fuselage to provide the lift for vertical flight. The method further comprises transitioning the VTOL aircraft from the vertical flight to cruise flight, and stowing the retractable propulsor assembly in the compartment during the cruise flight to reduce the aerodynamic drag on the VTOL aircraft.
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公开(公告)号:US20210008766A1
公开(公告)日:2021-01-14
申请号:US16504720
申请日:2019-07-08
Inventor: Chathuranga Kuruppuarachchige , Edward Albert Wen , Josiah Hughes , Michelle Mahon
Abstract: Systems and methods are provided for curing a composite part. The method includes the steps of: disposing a heat blanket at a composite material; applying, with a controller, power to heaters distributed across multiple cells of a heat blanket to heat the composite material at the heat blanket; monitoring, with the controller, a temperature of the composite material at each of the multiple cells via thermocouples distributed across the multiple cells; and individually adjusting, with the controller, an amount of power applied to the heaters, for each of the multiple cells, in response to the monitored temperature and a target temperature.
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