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公开(公告)号：US12030656B1
公开(公告)日：2024-07-09
申请号：US18599703
申请日：2024-03-08
Applicant: Archer Aviation Inc.
Inventor： Scott Graves , Alan D. Tepe , Robert Wayne Moore
CPC classification number: B64D27/24 , B64C29/0033 , B64D27/30 , B64D33/08
Abstract: An electric propulsion system for a vertical take-off and landing (VTOL) aircraft having a heat exchanger to cool fluids used in an electrical engine, the electric propulsion system comprising at least one electrical engine mechanically connected directly or indirectly to a fuselage of the VTOL aircraft and electrically connected to an electrical power source. The electrical engine may comprise an electrical motor having a stator and a rotor; a gearbox assembly comprising a sun gear; at least one planetary gear; a ring gear; and a planetary carrier. The electric engine may include an inverter assembly comprising a thermal plate and an inverter assembly housing; an end bell assembly that is connected to the thermal plate of the inverter assembly; and a heat exchanger comprising an array of cooling fins and tubes.
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公开(公告)号：US12129040B2
公开(公告)日：2024-10-29
申请号：US18620479
申请日：2024-03-28
Applicant: Archer Aviation Inc.
Inventor： Scott Graves , Alan D. Tepe
CPC classification number: B64D27/24 , B64C29/0033 , B64D33/08
Abstract: An electric propulsion system for a vertical take-off and landing (VTOL) aircraft having a heat exchanger to cool fluids used in an electrical engine, the electric propulsion system comprising at least one electrical engine mechanically connected directly or indirectly to a fuselage of the VTOL aircraft and electrically connected to an electrical power source. The electrical engine may comprise an electrical motor having a stator and a rotor; a gearbox assembly comprising a sun gear; at least one planetary gear; a ring gear; and a planetary carrier. The electric engine may include an inverter assembly comprising a thermal plate and an inverter assembly housing; an end bell assembly that is connected to the thermal plate of the inverter assembly; and a heat exchanger comprising an array of cooling fins and tubes.
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公开(公告)号：US12240617B2
公开(公告)日：2025-03-04
申请号：US18622662
申请日：2024-03-29
Applicant: Archer Aviation Inc.
Inventor： Alan D. Tepe , Robert Wayne Moore
IPC: B64D27/24 , B60L15/06 , B60L15/38 , B64C27/54 , B64C29/00 , B64D33/08 , B64D35/02 , F16B2/06 , F16H57/08 , H02K1/27 , H02K1/32 , H02K5/124 , H02K5/20 , H02K7/08 , H02K7/116 , H02K9/19 , H02K11/33 , H02K15/03 , H02M7/5395 , H02P21/00 , H02P25/16 , H02P27/06 , H02P27/08 , H02K7/00
Abstract: An electrical propulsion system for a vertical take-off and landing (VTOL) aircraft comprises an electrical motor assembly and an inverter assembly. The inverter assembly comprises a housing, a capacitor assembly, at least one printed circuit board assembly (PCBA), and a plurality of positioning pins. The capacitor assembly comprises a center hole, at least one capacitor, a capacitor housing having at least one busbar, and a plurality of through holes in the capacitor housing. The capacitor assembly and the at least one PCBA are positioned inside the housing. The plurality of positioning pins pass through the through the plurality of through holes of the capacitor housing and the at least one PCBA and are connected to the housing.
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公开(公告)号：US12195193B2
公开(公告)日：2025-01-14
申请号：US18622643
申请日：2024-03-29
Applicant: Archer Aviation Inc.
Inventor： Alan D. Tepe , Alan Baldwin
IPC: B64D27/24 , B60L15/06 , B60L15/38 , B64C27/54 , B64C29/00 , B64D33/08 , B64D35/02 , F16B2/06 , F16H57/08 , H02K1/27 , H02K1/32 , H02K5/124 , H02K5/20 , H02K7/08 , H02K7/116 , H02K9/19 , H02K11/33 , H02K15/03 , H02M7/5395 , H02P21/00 , H02P25/16 , H02P27/06 , H02P27/08 , H02K7/00
Abstract: An electrical propulsion system for a vertical take-off and landing (VTOL) aircraft comprises an electrical motor assembly and an inverter assembly. The inverter assembly comprises a housing, a capacitor assembly, at least one printed circuit board assembly (PCBA), and a plurality of positioning pins. The capacitor assembly comprises a center hole, at least one capacitor, a capacitor housing having at least one busbar, and a plurality of through holes in the capacitor housing. The capacitor assembly and the at least one PCBA are positioned inside the housing. The plurality of positioning pins pass through the through the plurality of through holes of the capacitor housing and the at least one PCBA and are connected to the housing.
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公开(公告)号：US11975853B2
公开(公告)日：2024-05-07
申请号：US18302285
申请日：2023-04-18
Applicant: Archer Aviation Inc.
Inventor： Scott Graves , Alan D. Tepe
CPC classification number: B64D27/24 , B64C29/0033 , B64D33/08
Abstract: An electric propulsion system for a vertical take-off and landing (VTOL) aircraft having a heat exchanger to cool fluids used in an electrical engine, the electric propulsion system comprising at least one electrical engine mechanically connected directly or indirectly to a fuselage of the VTOL aircraft and electrically connected to an electrical power source. The electrical engine may comprise an electrical motor having a stator and a rotor; a gearbox assembly comprising a sun gear; at least one planetary gear; a ring gear; and a planetary carrier. The electric engine may include an inverter assembly comprising a thermal plate and an inverter assembly housing; an end bell assembly that is connected to the thermal plate of the inverter assembly; and a heat exchanger comprising an array of cooling fins and tubes.
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Patent Agency Ranking
公开(公告)号：US11787551B1
公开(公告)日：2023-10-17
申请号：US18147452
申请日：2022-12-28
Applicant: Archer Aviation, Inc.
Inventor： Scott Graves , Alan D. Tepe , Robert Wayne Moore
CPC classification number: B64D27/24 , B64C29/0008 , B64D33/08 , H02K5/203 , H02K7/08 , H02K7/116 , H02K9/19 , H02K11/33
Abstract: An electric propulsion system for a vertical takeoff-and-landing aircraft having an inverter assembly, a gearbox assembly, an electric motor assembly. The inverter assembly, the gearbox assembly, and the electric motor assembly may be substantially aligned along an axis. The inverter assembly, a gearbox assembly, and electric motor assembly may each abut at least one of the others. The electric engine may use a liquid, such as oil, for cooling and lubricating components of the inverter assembly, gearbox assembly, and electric motor assembly. Further, the electric engine may use volumes of oil for cooling and lubricating components below a threshold volume so that the electric engines do not require a fire protective barrier.
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公开(公告)号：US12240599B2
公开(公告)日：2025-03-04
申请号：US18163372
申请日：2023-02-02
Applicant: Archer Aviation, Inc.
Inventor： Karthik Kumar Bodla , Bharat Tulsyan , Christopher M. Heath , Kerry Manning , Alan D. Tepe
Abstract: A VTOL aircraft includes a plurality of lift propellers configured to rotated by lift motors to provide vertical thrust during takeoff, landing and hovering operations. The lift propellers are configured to generate a cooling airflow to cool the lift motors during use. During a cruise operation when the VTOL aircraft is in forward motion, the lift propellers may be stowed in a stationary position. Therefore, the cooling airflow may be reduced or eliminated when it is not needed.
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公开(公告)号：US12208908B2
公开(公告)日：2025-01-28
申请号：US18620493
申请日：2024-03-28
Applicant: Archer Aviation Inc.
Inventor： Scott Graves , Alan D. Tepe
IPC: B64C29/00 , B60L15/06 , B60L15/38 , B64C27/54 , B64D27/24 , B64D27/30 , B64D33/08 , B64D35/02 , F16B2/06 , F16H57/08 , H02K1/27 , H02K1/32 , H02K5/124 , H02K5/20 , H02K7/08 , H02K7/116 , H02K9/19 , H02K11/33 , H02K15/03 , H02M7/5395 , H02P21/00 , H02P25/16 , H02P27/06 , H02P27/08 , H02K7/00
Abstract: An electric propulsion system for a vertical take-off and landing (VTOL) aircraft having a heat exchanger to cool fluids used in an electrical engine, the electric propulsion system comprising at least one electrical engine mechanically connected directly or indirectly to a fuselage of the VTOL aircraft and electrically connected to an electrical power source. The electrical engine may comprise an electrical motor having a stator and a rotor; a gearbox assembly comprising a sun gear; at least one planetary gear; a ring gear; and a planetary carrier. The electric engine may include an inverter assembly comprising a thermal plate and an inverter assembly housing; an end bell assembly that is connected to the thermal plate of the inverter assembly; and a heat exchanger comprising an array of cooling fins and tubes.
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公开(公告)号：US12122528B2
公开(公告)日：2024-10-22
申请号：US18622656
申请日：2024-03-29
Applicant: Archer Aviation Inc.
Inventor： Alan D. Tepe
CPC classification number: B64D27/24 , B64C29/0033 , H02P25/16 , H02P27/06
Abstract: An electrical propulsion system for a vertical take-off and landing (VTOL) aircraft comprises an electrical motor assembly and an inverter assembly. The inverter assembly comprises a housing, a capacitor assembly, at least one printed circuit board assembly (PCBA), and a plurality of positioning pins. The capacitor assembly comprises a center hole, at least one capacitor, a capacitor housing having at least one busbar, and a plurality of through holes in the capacitor housing. The capacitor assembly and the at least one PCBA are positioned inside the housing. The plurality of positioning pins pass through the through the plurality of through holes of the capacitor housing and the at least one PCBA and are connected to the housing.
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公开(公告)号：US12122527B2
公开(公告)日：2024-10-22
申请号：US18622647
申请日：2024-03-29
Applicant: Archer Aviation Inc.
Inventor： Scott Graves , Alan Baldwin , Stephen Michael Spiteri , Wei Wu , Alan D. Tepe
CPC classification number: B64D27/24 , B64C29/0033 , H02P25/16 , H02P27/06
Abstract: An electrical propulsion system for a vertical take-off and landing (VTOL) aircraft comprises an electrical motor assembly and an inverter assembly. The inverter assembly comprises a housing, a capacitor assembly, at least one printed circuit board assembly (PCBA), and a plurality of positioning pins. The capacitor assembly comprises a center hole, at least one capacitor, a capacitor housing having at least one busbar, and a plurality of through holes in the capacitor housing. The capacitor assembly and the at least one PCBA are positioned inside the housing. The plurality of positioning pins pass through the through the plurality of through holes of the capacitor housing and the at least one PCBA and are connected to the housing.
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